./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/06-symbeq_15-list_entry_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/goblint-regression/06-symbeq_15-list_entry_nr.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a7843ed292ba7ad810f8623eae57d1bf23212a957c35d700b564dc03a7df5581 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 06:51:39,667 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:51:39,731 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-09 06:51:39,740 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:51:39,741 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:51:39,768 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:51:39,769 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:51:39,769 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:51:39,770 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:51:39,771 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:51:39,772 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 06:51:39,772 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 06:51:39,772 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 06:51:39,772 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:51:39,773 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:51:39,773 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:51:39,773 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:51:39,775 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:51:39,775 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:51:39,775 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:51:39,775 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:51:39,778 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:51:39,778 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-09 06:51:39,778 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:51:39,779 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 06:51:39,779 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:51:39,779 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:51:39,779 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:51:39,780 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:51:39,780 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 06:51:39,780 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:51:39,780 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 06:51:39,780 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:51:39,781 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:51:39,781 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:51:39,781 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 06:51:39,781 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:51:39,781 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:51:39,782 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 06:51:39,782 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 06:51:39,783 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:51:39,783 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7843ed292ba7ad810f8623eae57d1bf23212a957c35d700b564dc03a7df5581 [2024-11-09 06:51:39,988 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:51:40,027 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:51:40,029 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:51:40,030 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:51:40,031 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:51:40,032 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/06-symbeq_15-list_entry_nr.i [2024-11-09 06:51:41,532 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:51:41,768 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:51:41,768 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/06-symbeq_15-list_entry_nr.i [2024-11-09 06:51:41,789 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e8c7a459/dd103591e5fb41aea96b16ea117a40c5/FLAG537cd5182 [2024-11-09 06:51:41,805 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e8c7a459/dd103591e5fb41aea96b16ea117a40c5 [2024-11-09 06:51:41,808 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:51:41,809 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:51:41,810 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:51:41,810 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:51:41,819 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:51:41,820 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:51:41" (1/1) ... [2024-11-09 06:51:41,822 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11be14cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:51:41, skipping insertion in model container [2024-11-09 06:51:41,825 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:51:41" (1/1) ... [2024-11-09 06:51:41,876 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:51:42,202 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:51:42,213 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:51:42,269 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:51:42,310 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:51:42,310 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:51:42 WrapperNode [2024-11-09 06:51:42,310 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:51:42,311 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:51:42,312 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:51:42,312 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:51:42,318 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:51:42" (1/1) ... [2024-11-09 06:51:42,336 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:51:42" (1/1) ... [2024-11-09 06:51:42,434 INFO L138 Inliner]: procedures = 186, calls = 12, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 94 [2024-11-09 06:51:42,439 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:51:42,439 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:51:42,440 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:51:42,440 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:51:42,450 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:51:42" (1/1) ... [2024-11-09 06:51:42,451 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:51:42" (1/1) ... [2024-11-09 06:51:42,455 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:51:42" (1/1) ... [2024-11-09 06:51:42,455 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:51:42" (1/1) ... [2024-11-09 06:51:42,462 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:51:42" (1/1) ... [2024-11-09 06:51:42,464 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:51:42" (1/1) ... [2024-11-09 06:51:42,465 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:51:42" (1/1) ... [2024-11-09 06:51:42,466 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:51:42" (1/1) ... [2024-11-09 06:51:42,468 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:51:42,469 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:51:42,469 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:51:42,469 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:51:42,470 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:51:42" (1/1) ... [2024-11-09 06:51:42,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 06:51:42,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 06:51:42,504 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 06:51:42,512 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 06:51:42,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 06:51:42,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 06:51:42,559 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-09 06:51:42,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 06:51:42,559 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-09 06:51:42,560 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-09 06:51:42,560 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-09 06:51:42,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:51:42,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:51:42,562 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-09 06:51:42,683 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:51:42,686 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:51:42,920 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 06:51:42,921 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:51:42,951 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:51:42,951 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 06:51:42,951 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:51:42 BoogieIcfgContainer [2024-11-09 06:51:42,951 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:51:42,957 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:51:42,957 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:51:42,960 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:51:42,961 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:51:41" (1/3) ... [2024-11-09 06:51:42,961 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b66a2e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:51:42, skipping insertion in model container [2024-11-09 06:51:42,962 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:51:42" (2/3) ... [2024-11-09 06:51:42,962 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b66a2e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:51:42, skipping insertion in model container [2024-11-09 06:51:42,962 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:51:42" (3/3) ... [2024-11-09 06:51:42,964 INFO L112 eAbstractionObserver]: Analyzing ICFG 06-symbeq_15-list_entry_nr.i [2024-11-09 06:51:42,978 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:51:42,979 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 9 error locations. [2024-11-09 06:51:42,979 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 06:51:43,047 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-09 06:51:43,085 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 115 places, 111 transitions, 226 flow [2024-11-09 06:51:43,130 INFO L124 PetriNetUnfolderBase]: 0/110 cut-off events. [2024-11-09 06:51:43,131 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 06:51:43,135 INFO L83 FinitePrefix]: Finished finitePrefix Result has 114 conditions, 110 events. 0/110 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 88 event pairs, 0 based on Foata normal form. 0/101 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-11-09 06:51:43,135 INFO L82 GeneralOperation]: Start removeDead. Operand has 115 places, 111 transitions, 226 flow [2024-11-09 06:51:43,139 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 114 places, 110 transitions, 223 flow [2024-11-09 06:51:43,150 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:51:43,157 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;@102a7966, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:51:43,158 INFO L334 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2024-11-09 06:51:43,161 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-09 06:51:43,162 INFO L124 PetriNetUnfolderBase]: 0/10 cut-off events. [2024-11-09 06:51:43,162 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 06:51:43,162 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:51:43,163 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:51:43,164 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-09 06:51:43,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:51:43,168 INFO L85 PathProgramCache]: Analyzing trace with hash -1145957465, now seen corresponding path program 1 times [2024-11-09 06:51:43,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:51:43,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823665595] [2024-11-09 06:51:43,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:51:43,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:51:43,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:51:43,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:51:43,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:51:43,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823665595] [2024-11-09 06:51:43,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823665595] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:51:43,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:51:43,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:51:43,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301262414] [2024-11-09 06:51:43,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:51:43,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:51:43,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:51:43,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:51:43,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:51:43,437 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 111 [2024-11-09 06:51:43,442 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 110 transitions, 223 flow. Second operand has 3 states, 3 states have (on average 97.33333333333333) internal successors, (292), 3 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:51:43,443 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:51:43,443 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 111 [2024-11-09 06:51:43,445 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:51:43,514 INFO L124 PetriNetUnfolderBase]: 12/257 cut-off events. [2024-11-09 06:51:43,514 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-09 06:51:43,517 INFO L83 FinitePrefix]: Finished finitePrefix Result has 300 conditions, 257 events. 12/257 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 709 event pairs, 12 based on Foata normal form. 0/232 useless extension candidates. Maximal degree in co-relation 252. Up to 37 conditions per place. [2024-11-09 06:51:43,519 INFO L140 encePairwiseOnDemand]: 108/111 looper letters, 12 selfloop transitions, 2 changer transitions 0/109 dead transitions. [2024-11-09 06:51:43,519 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 109 transitions, 249 flow [2024-11-09 06:51:43,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:51:43,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:51:43,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 303 transitions. [2024-11-09 06:51:43,530 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9099099099099099 [2024-11-09 06:51:43,532 INFO L175 Difference]: Start difference. First operand has 114 places, 110 transitions, 223 flow. Second operand 3 states and 303 transitions. [2024-11-09 06:51:43,533 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 109 transitions, 249 flow [2024-11-09 06:51:43,536 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 109 transitions, 248 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 06:51:43,540 INFO L231 Difference]: Finished difference. Result has 114 places, 109 transitions, 224 flow [2024-11-09 06:51:43,542 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=220, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=224, PETRI_PLACES=114, PETRI_TRANSITIONS=109} [2024-11-09 06:51:43,545 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 0 predicate places. [2024-11-09 06:51:43,545 INFO L471 AbstractCegarLoop]: Abstraction has has 114 places, 109 transitions, 224 flow [2024-11-09 06:51:43,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 97.33333333333333) internal successors, (292), 3 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:51:43,545 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:51:43,545 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:51:43,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 06:51:43,546 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-09 06:51:43,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:51:43,546 INFO L85 PathProgramCache]: Analyzing trace with hash -1477363984, now seen corresponding path program 1 times [2024-11-09 06:51:43,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:51:43,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431072138] [2024-11-09 06:51:43,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:51:43,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:51:43,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:51:43,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:51:43,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:51:43,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431072138] [2024-11-09 06:51:43,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431072138] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:51:43,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:51:43,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:51:43,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494932926] [2024-11-09 06:51:43,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:51:43,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:51:43,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:51:43,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:51:43,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:51:43,640 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 111 [2024-11-09 06:51:43,641 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 109 transitions, 224 flow. Second operand has 3 states, 3 states have (on average 97.0) internal successors, (291), 3 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:51:43,642 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:51:43,642 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 111 [2024-11-09 06:51:43,642 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:51:43,712 INFO L124 PetriNetUnfolderBase]: 16/291 cut-off events. [2024-11-09 06:51:43,713 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-09 06:51:43,714 INFO L83 FinitePrefix]: Finished finitePrefix Result has 342 conditions, 291 events. 16/291 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1012 event pairs, 16 based on Foata normal form. 0/272 useless extension candidates. Maximal degree in co-relation 323. Up to 43 conditions per place. [2024-11-09 06:51:43,715 INFO L140 encePairwiseOnDemand]: 107/111 looper letters, 11 selfloop transitions, 1 changer transitions 0/106 dead transitions. [2024-11-09 06:51:43,715 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 106 transitions, 242 flow [2024-11-09 06:51:43,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:51:43,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:51:43,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 303 transitions. [2024-11-09 06:51:43,718 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9099099099099099 [2024-11-09 06:51:43,718 INFO L175 Difference]: Start difference. First operand has 114 places, 109 transitions, 224 flow. Second operand 3 states and 303 transitions. [2024-11-09 06:51:43,718 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 106 transitions, 242 flow [2024-11-09 06:51:43,719 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 106 transitions, 238 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:51:43,720 INFO L231 Difference]: Finished difference. Result has 111 places, 106 transitions, 216 flow [2024-11-09 06:51:43,720 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=214, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=216, PETRI_PLACES=111, PETRI_TRANSITIONS=106} [2024-11-09 06:51:43,721 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, -3 predicate places. [2024-11-09 06:51:43,721 INFO L471 AbstractCegarLoop]: Abstraction has has 111 places, 106 transitions, 216 flow [2024-11-09 06:51:43,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 97.0) internal successors, (291), 3 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:51:43,722 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:51:43,722 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] [2024-11-09 06:51:43,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 06:51:43,723 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-09 06:51:43,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:51:43,723 INFO L85 PathProgramCache]: Analyzing trace with hash 227862726, now seen corresponding path program 1 times [2024-11-09 06:51:43,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:51:43,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426934867] [2024-11-09 06:51:43,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:51:43,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:51:43,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:51:44,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:51:44,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:51:44,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426934867] [2024-11-09 06:51:44,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426934867] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:51:44,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:51:44,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:51:44,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111598282] [2024-11-09 06:51:44,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:51:44,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:51:44,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:51:44,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:51:44,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:51:44,320 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 111 [2024-11-09 06:51:44,321 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 106 transitions, 216 flow. Second operand has 6 states, 6 states have (on average 80.33333333333333) internal successors, (482), 6 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:51:44,321 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:51:44,321 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 111 [2024-11-09 06:51:44,321 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:51:44,417 INFO L124 PetriNetUnfolderBase]: 100/544 cut-off events. [2024-11-09 06:51:44,417 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 06:51:44,420 INFO L83 FinitePrefix]: Finished finitePrefix Result has 781 conditions, 544 events. 100/544 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2874 event pairs, 100 based on Foata normal form. 0/505 useless extension candidates. Maximal degree in co-relation 763. Up to 227 conditions per place. [2024-11-09 06:51:44,422 INFO L140 encePairwiseOnDemand]: 105/111 looper letters, 26 selfloop transitions, 5 changer transitions 0/105 dead transitions. [2024-11-09 06:51:44,422 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 105 transitions, 276 flow [2024-11-09 06:51:44,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:51:44,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:51:44,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 506 transitions. [2024-11-09 06:51:44,425 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7597597597597597 [2024-11-09 06:51:44,425 INFO L175 Difference]: Start difference. First operand has 111 places, 106 transitions, 216 flow. Second operand 6 states and 506 transitions. [2024-11-09 06:51:44,425 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 105 transitions, 276 flow [2024-11-09 06:51:44,426 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 105 transitions, 275 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 06:51:44,428 INFO L231 Difference]: Finished difference. Result has 114 places, 105 transitions, 223 flow [2024-11-09 06:51:44,428 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=213, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=223, PETRI_PLACES=114, PETRI_TRANSITIONS=105} [2024-11-09 06:51:44,429 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 0 predicate places. [2024-11-09 06:51:44,429 INFO L471 AbstractCegarLoop]: Abstraction has has 114 places, 105 transitions, 223 flow [2024-11-09 06:51:44,429 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 80.33333333333333) internal successors, (482), 6 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:51:44,430 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:51:44,430 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] [2024-11-09 06:51:44,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 06:51:44,430 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-09 06:51:44,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:51:44,431 INFO L85 PathProgramCache]: Analyzing trace with hash 452530334, now seen corresponding path program 1 times [2024-11-09 06:51:44,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:51:44,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882472551] [2024-11-09 06:51:44,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:51:44,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:51:44,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:51:44,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:51:44,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:51:44,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882472551] [2024-11-09 06:51:44,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882472551] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:51:44,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:51:44,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:51:44,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726095294] [2024-11-09 06:51:44,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:51:44,889 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:51:44,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:51:44,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:51:44,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:51:45,022 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 111 [2024-11-09 06:51:45,024 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 105 transitions, 223 flow. Second operand has 6 states, 6 states have (on average 86.16666666666667) internal successors, (517), 6 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:51:45,024 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:51:45,024 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 111 [2024-11-09 06:51:45,024 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:51:45,124 INFO L124 PetriNetUnfolderBase]: 114/573 cut-off events. [2024-11-09 06:51:45,125 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-09 06:51:45,126 INFO L83 FinitePrefix]: Finished finitePrefix Result has 844 conditions, 573 events. 114/573 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 3160 event pairs, 61 based on Foata normal form. 0/541 useless extension candidates. Maximal degree in co-relation 826. Up to 211 conditions per place. [2024-11-09 06:51:45,128 INFO L140 encePairwiseOnDemand]: 100/111 looper letters, 34 selfloop transitions, 22 changer transitions 0/134 dead transitions. [2024-11-09 06:51:45,128 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 134 transitions, 393 flow [2024-11-09 06:51:45,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:51:45,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:51:45,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 561 transitions. [2024-11-09 06:51:45,131 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8423423423423423 [2024-11-09 06:51:45,131 INFO L175 Difference]: Start difference. First operand has 114 places, 105 transitions, 223 flow. Second operand 6 states and 561 transitions. [2024-11-09 06:51:45,131 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 134 transitions, 393 flow [2024-11-09 06:51:45,132 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 134 transitions, 383 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-09 06:51:45,136 INFO L231 Difference]: Finished difference. Result has 119 places, 126 transitions, 363 flow [2024-11-09 06:51:45,136 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=213, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=363, PETRI_PLACES=119, PETRI_TRANSITIONS=126} [2024-11-09 06:51:45,137 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 5 predicate places. [2024-11-09 06:51:45,137 INFO L471 AbstractCegarLoop]: Abstraction has has 119 places, 126 transitions, 363 flow [2024-11-09 06:51:45,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 86.16666666666667) internal successors, (517), 6 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:51:45,138 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:51:45,138 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:51:45,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 06:51:45,138 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-09 06:51:45,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:51:45,139 INFO L85 PathProgramCache]: Analyzing trace with hash -1521815766, now seen corresponding path program 1 times [2024-11-09 06:51:45,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:51:45,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70151626] [2024-11-09 06:51:45,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:51:45,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:51:45,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:51:45,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:51:45,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:51:45,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70151626] [2024-11-09 06:51:45,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70151626] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:51:45,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:51:45,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:51:45,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16648782] [2024-11-09 06:51:45,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:51:45,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:51:45,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:51:45,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:51:45,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:51:45,691 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 111 [2024-11-09 06:51:45,692 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 126 transitions, 363 flow. Second operand has 6 states, 6 states have (on average 86.16666666666667) internal successors, (517), 6 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:51:45,692 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:51:45,692 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 111 [2024-11-09 06:51:45,692 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:51:45,812 INFO L124 PetriNetUnfolderBase]: 152/680 cut-off events. [2024-11-09 06:51:45,813 INFO L125 PetriNetUnfolderBase]: For 133/153 co-relation queries the response was YES. [2024-11-09 06:51:45,815 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1203 conditions, 680 events. 152/680 cut-off events. For 133/153 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 4006 event pairs, 61 based on Foata normal form. 5/655 useless extension candidates. Maximal degree in co-relation 1181. Up to 268 conditions per place. [2024-11-09 06:51:45,818 INFO L140 encePairwiseOnDemand]: 100/111 looper letters, 47 selfloop transitions, 26 changer transitions 0/155 dead transitions. [2024-11-09 06:51:45,818 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 155 transitions, 585 flow [2024-11-09 06:51:45,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:51:45,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:51:45,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 561 transitions. [2024-11-09 06:51:45,819 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8423423423423423 [2024-11-09 06:51:45,819 INFO L175 Difference]: Start difference. First operand has 119 places, 126 transitions, 363 flow. Second operand 6 states and 561 transitions. [2024-11-09 06:51:45,819 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 155 transitions, 585 flow [2024-11-09 06:51:45,822 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 155 transitions, 585 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-09 06:51:45,826 INFO L231 Difference]: Finished difference. Result has 129 places, 147 transitions, 547 flow [2024-11-09 06:51:45,827 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=363, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=547, PETRI_PLACES=129, PETRI_TRANSITIONS=147} [2024-11-09 06:51:45,830 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 15 predicate places. [2024-11-09 06:51:45,831 INFO L471 AbstractCegarLoop]: Abstraction has has 129 places, 147 transitions, 547 flow [2024-11-09 06:51:45,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 86.16666666666667) internal successors, (517), 6 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:51:45,832 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:51:45,832 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] [2024-11-09 06:51:45,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 06:51:45,832 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-09 06:51:45,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:51:45,833 INFO L85 PathProgramCache]: Analyzing trace with hash 1875655331, now seen corresponding path program 1 times [2024-11-09 06:51:45,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:51:45,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755319746] [2024-11-09 06:51:45,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:51:45,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:51:45,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:51:46,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:51:46,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:51:46,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755319746] [2024-11-09 06:51:46,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755319746] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:51:46,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:51:46,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:51:46,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647927320] [2024-11-09 06:51:46,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:51:46,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:51:46,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:51:46,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:51:46,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:51:46,285 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 111 [2024-11-09 06:51:46,286 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 147 transitions, 547 flow. Second operand has 6 states, 6 states have (on average 81.16666666666667) internal successors, (487), 6 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:51:46,287 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:51:46,287 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 111 [2024-11-09 06:51:46,287 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:51:46,463 INFO L124 PetriNetUnfolderBase]: 292/1078 cut-off events. [2024-11-09 06:51:46,464 INFO L125 PetriNetUnfolderBase]: For 577/599 co-relation queries the response was YES. [2024-11-09 06:51:46,467 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2445 conditions, 1078 events. 292/1078 cut-off events. For 577/599 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 6912 event pairs, 101 based on Foata normal form. 9/1039 useless extension candidates. Maximal degree in co-relation 2418. Up to 532 conditions per place. [2024-11-09 06:51:46,471 INFO L140 encePairwiseOnDemand]: 96/111 looper letters, 72 selfloop transitions, 53 changer transitions 4/202 dead transitions. [2024-11-09 06:51:46,471 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 202 transitions, 1049 flow [2024-11-09 06:51:46,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:51:46,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:51:46,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 547 transitions. [2024-11-09 06:51:46,473 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8213213213213213 [2024-11-09 06:51:46,473 INFO L175 Difference]: Start difference. First operand has 129 places, 147 transitions, 547 flow. Second operand 6 states and 547 transitions. [2024-11-09 06:51:46,473 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 202 transitions, 1049 flow [2024-11-09 06:51:46,480 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 202 transitions, 1049 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-09 06:51:46,484 INFO L231 Difference]: Finished difference. Result has 139 places, 194 transitions, 1029 flow [2024-11-09 06:51:46,485 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=547, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=147, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1029, PETRI_PLACES=139, PETRI_TRANSITIONS=194} [2024-11-09 06:51:46,487 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 25 predicate places. [2024-11-09 06:51:46,487 INFO L471 AbstractCegarLoop]: Abstraction has has 139 places, 194 transitions, 1029 flow [2024-11-09 06:51:46,488 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 81.16666666666667) internal successors, (487), 6 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:51:46,488 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:51:46,488 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] [2024-11-09 06:51:46,489 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 06:51:46,489 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-09 06:51:46,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:51:46,490 INFO L85 PathProgramCache]: Analyzing trace with hash 134748965, now seen corresponding path program 1 times [2024-11-09 06:51:46,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:51:46,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952610387] [2024-11-09 06:51:46,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:51:46,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:51:46,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:51:46,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:51:46,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:51:46,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952610387] [2024-11-09 06:51:46,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952610387] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:51:46,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:51:46,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:51:46,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225096674] [2024-11-09 06:51:46,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:51:46,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:51:46,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:51:46,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:51:46,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:51:46,879 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 111 [2024-11-09 06:51:46,879 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 194 transitions, 1029 flow. Second operand has 6 states, 6 states have (on average 81.16666666666667) internal successors, (487), 6 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:51:46,879 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:51:46,880 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 111 [2024-11-09 06:51:46,880 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:51:47,184 INFO L124 PetriNetUnfolderBase]: 396/1383 cut-off events. [2024-11-09 06:51:47,184 INFO L125 PetriNetUnfolderBase]: For 1620/1661 co-relation queries the response was YES. [2024-11-09 06:51:47,191 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3760 conditions, 1383 events. 396/1383 cut-off events. For 1620/1661 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 9387 event pairs, 107 based on Foata normal form. 4/1351 useless extension candidates. Maximal degree in co-relation 3728. Up to 677 conditions per place. [2024-11-09 06:51:47,197 INFO L140 encePairwiseOnDemand]: 96/111 looper letters, 109 selfloop transitions, 61 changer transitions 10/255 dead transitions. [2024-11-09 06:51:47,198 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 255 transitions, 1735 flow [2024-11-09 06:51:47,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:51:47,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:51:47,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 547 transitions. [2024-11-09 06:51:47,200 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8213213213213213 [2024-11-09 06:51:47,200 INFO L175 Difference]: Start difference. First operand has 139 places, 194 transitions, 1029 flow. Second operand 6 states and 547 transitions. [2024-11-09 06:51:47,200 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 255 transitions, 1735 flow [2024-11-09 06:51:47,211 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 255 transitions, 1671 flow, removed 32 selfloop flow, removed 0 redundant places. [2024-11-09 06:51:47,215 INFO L231 Difference]: Finished difference. Result has 149 places, 241 transitions, 1551 flow [2024-11-09 06:51:47,215 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=971, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=194, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1551, PETRI_PLACES=149, PETRI_TRANSITIONS=241} [2024-11-09 06:51:47,216 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 35 predicate places. [2024-11-09 06:51:47,216 INFO L471 AbstractCegarLoop]: Abstraction has has 149 places, 241 transitions, 1551 flow [2024-11-09 06:51:47,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 81.16666666666667) internal successors, (487), 6 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:51:47,217 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:51:47,217 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] [2024-11-09 06:51:47,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 06:51:47,217 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-09 06:51:47,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:51:47,218 INFO L85 PathProgramCache]: Analyzing trace with hash -895514428, now seen corresponding path program 1 times [2024-11-09 06:51:47,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:51:47,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881865988] [2024-11-09 06:51:47,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:51:47,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:51:47,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:51:48,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:51:48,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:51:48,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881865988] [2024-11-09 06:51:48,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881865988] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:51:48,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:51:48,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-09 06:51:48,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153192663] [2024-11-09 06:51:48,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:51:48,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:51:48,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:51:48,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:51:48,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:51:48,605 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-09 06:51:48,607 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 241 transitions, 1551 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:51:48,607 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:51:48,607 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-09 06:51:48,607 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:51:49,143 INFO L124 PetriNetUnfolderBase]: 620/2296 cut-off events. [2024-11-09 06:51:49,144 INFO L125 PetriNetUnfolderBase]: For 2949/3000 co-relation queries the response was YES. [2024-11-09 06:51:49,152 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6499 conditions, 2296 events. 620/2296 cut-off events. For 2949/3000 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 18424 event pairs, 36 based on Foata normal form. 6/2288 useless extension candidates. Maximal degree in co-relation 6457. Up to 368 conditions per place. [2024-11-09 06:51:49,162 INFO L140 encePairwiseOnDemand]: 91/111 looper letters, 40 selfloop transitions, 18 changer transitions 18/288 dead transitions. [2024-11-09 06:51:49,162 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 288 transitions, 1797 flow [2024-11-09 06:51:49,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 06:51:49,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-09 06:51:49,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1143 transitions. [2024-11-09 06:51:49,165 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7920997920997921 [2024-11-09 06:51:49,165 INFO L175 Difference]: Start difference. First operand has 149 places, 241 transitions, 1551 flow. Second operand 13 states and 1143 transitions. [2024-11-09 06:51:49,166 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 288 transitions, 1797 flow [2024-11-09 06:51:49,188 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 288 transitions, 1729 flow, removed 34 selfloop flow, removed 0 redundant places. [2024-11-09 06:51:49,191 INFO L231 Difference]: Finished difference. Result has 168 places, 250 transitions, 1582 flow [2024-11-09 06:51:49,192 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1483, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=241, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=224, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1582, PETRI_PLACES=168, PETRI_TRANSITIONS=250} [2024-11-09 06:51:49,194 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 54 predicate places. [2024-11-09 06:51:49,194 INFO L471 AbstractCegarLoop]: Abstraction has has 168 places, 250 transitions, 1582 flow [2024-11-09 06:51:49,195 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:51:49,195 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:51:49,195 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] [2024-11-09 06:51:49,195 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 06:51:49,195 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-09 06:51:49,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:51:49,196 INFO L85 PathProgramCache]: Analyzing trace with hash 2121954808, now seen corresponding path program 2 times [2024-11-09 06:51:49,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:51:49,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861256301] [2024-11-09 06:51:49,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:51:49,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:51:49,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:51:49,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:51:49,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:51:49,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861256301] [2024-11-09 06:51:49,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861256301] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:51:49,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:51:49,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-09 06:51:49,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477850516] [2024-11-09 06:51:49,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:51:49,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:51:49,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:51:49,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:51:49,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:51:50,418 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-09 06:51:50,419 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 250 transitions, 1582 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:51:50,419 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:51:50,419 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-09 06:51:50,420 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:51:50,934 INFO L124 PetriNetUnfolderBase]: 620/2370 cut-off events. [2024-11-09 06:51:50,935 INFO L125 PetriNetUnfolderBase]: For 3341/3420 co-relation queries the response was YES. [2024-11-09 06:51:50,943 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7125 conditions, 2370 events. 620/2370 cut-off events. For 3341/3420 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 19157 event pairs, 37 based on Foata normal form. 13/2374 useless extension candidates. Maximal degree in co-relation 7072. Up to 366 conditions per place. [2024-11-09 06:51:50,952 INFO L140 encePairwiseOnDemand]: 92/111 looper letters, 34 selfloop transitions, 23 changer transitions 24/293 dead transitions. [2024-11-09 06:51:50,952 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 178 places, 293 transitions, 1914 flow [2024-11-09 06:51:50,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 06:51:50,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-09 06:51:50,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1139 transitions. [2024-11-09 06:51:50,955 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7893277893277894 [2024-11-09 06:51:50,955 INFO L175 Difference]: Start difference. First operand has 168 places, 250 transitions, 1582 flow. Second operand 13 states and 1139 transitions. [2024-11-09 06:51:50,955 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 178 places, 293 transitions, 1914 flow [2024-11-09 06:51:50,976 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 293 transitions, 1889 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-09 06:51:50,979 INFO L231 Difference]: Finished difference. Result has 177 places, 250 transitions, 1625 flow [2024-11-09 06:51:50,979 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1565, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=250, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=227, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1625, PETRI_PLACES=177, PETRI_TRANSITIONS=250} [2024-11-09 06:51:50,980 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 63 predicate places. [2024-11-09 06:51:50,980 INFO L471 AbstractCegarLoop]: Abstraction has has 177 places, 250 transitions, 1625 flow [2024-11-09 06:51:50,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:51:50,981 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:51:50,981 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] [2024-11-09 06:51:50,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 06:51:50,981 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-09 06:51:50,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:51:50,982 INFO L85 PathProgramCache]: Analyzing trace with hash 1450919672, now seen corresponding path program 3 times [2024-11-09 06:51:50,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:51:50,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058549786] [2024-11-09 06:51:50,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:51:50,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:51:50,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:51:51,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:51:51,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:51:51,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058549786] [2024-11-09 06:51:51,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058549786] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:51:51,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:51:51,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-09 06:51:51,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089953255] [2024-11-09 06:51:51,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:51:51,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:51:51,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:51:51,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:51:51,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:51:51,997 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-09 06:51:51,999 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 177 places, 250 transitions, 1625 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:51:51,999 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:51:51,999 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-09 06:51:52,000 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:51:52,554 INFO L124 PetriNetUnfolderBase]: 563/2153 cut-off events. [2024-11-09 06:51:52,555 INFO L125 PetriNetUnfolderBase]: For 3517/3608 co-relation queries the response was YES. [2024-11-09 06:51:52,562 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6757 conditions, 2153 events. 563/2153 cut-off events. For 3517/3608 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 17008 event pairs, 21 based on Foata normal form. 12/2159 useless extension candidates. Maximal degree in co-relation 6700. Up to 368 conditions per place. [2024-11-09 06:51:52,567 INFO L140 encePairwiseOnDemand]: 91/111 looper letters, 42 selfloop transitions, 19 changer transitions 16/289 dead transitions. [2024-11-09 06:51:52,567 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 289 transitions, 2009 flow [2024-11-09 06:51:52,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 06:51:52,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-09 06:51:52,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1137 transitions. [2024-11-09 06:51:52,570 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7879417879417879 [2024-11-09 06:51:52,570 INFO L175 Difference]: Start difference. First operand has 177 places, 250 transitions, 1625 flow. Second operand 13 states and 1137 transitions. [2024-11-09 06:51:52,570 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 289 transitions, 2009 flow [2024-11-09 06:51:52,588 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 175 places, 289 transitions, 1909 flow, removed 9 selfloop flow, removed 11 redundant places. [2024-11-09 06:51:52,591 INFO L231 Difference]: Finished difference. Result has 182 places, 255 transitions, 1673 flow [2024-11-09 06:51:52,591 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1579, PETRI_DIFFERENCE_MINUEND_PLACES=163, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=250, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=231, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1673, PETRI_PLACES=182, PETRI_TRANSITIONS=255} [2024-11-09 06:51:52,592 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 68 predicate places. [2024-11-09 06:51:52,592 INFO L471 AbstractCegarLoop]: Abstraction has has 182 places, 255 transitions, 1673 flow [2024-11-09 06:51:52,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:51:52,592 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:51:52,592 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] [2024-11-09 06:51:52,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 06:51:52,592 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-09 06:51:52,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:51:52,593 INFO L85 PathProgramCache]: Analyzing trace with hash 1466922172, now seen corresponding path program 4 times [2024-11-09 06:51:52,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:51:52,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554381595] [2024-11-09 06:51:52,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:51:52,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:51:52,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:51:52,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:51:52,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:51:52,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554381595] [2024-11-09 06:51:52,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554381595] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:51:52,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:51:52,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-09 06:51:52,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929398652] [2024-11-09 06:51:52,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:51:52,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:51:52,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:51:52,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:51:52,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:51:53,554 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-09 06:51:53,555 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 182 places, 255 transitions, 1673 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:51:53,555 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:51:53,555 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-09 06:51:53,555 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:51:54,156 INFO L124 PetriNetUnfolderBase]: 811/2988 cut-off events. [2024-11-09 06:51:54,157 INFO L125 PetriNetUnfolderBase]: For 5462/5574 co-relation queries the response was YES. [2024-11-09 06:51:54,174 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9519 conditions, 2988 events. 811/2988 cut-off events. For 5462/5574 co-relation queries the response was YES. Maximal size of possible extension queue 185. Compared 25834 event pairs, 38 based on Foata normal form. 18/2995 useless extension candidates. Maximal degree in co-relation 9458. Up to 513 conditions per place. [2024-11-09 06:51:54,190 INFO L140 encePairwiseOnDemand]: 91/111 looper letters, 51 selfloop transitions, 23 changer transitions 4/290 dead transitions. [2024-11-09 06:51:54,191 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 290 transitions, 2067 flow [2024-11-09 06:51:54,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 06:51:54,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-09 06:51:54,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1126 transitions. [2024-11-09 06:51:54,195 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7803187803187803 [2024-11-09 06:51:54,195 INFO L175 Difference]: Start difference. First operand has 182 places, 255 transitions, 1673 flow. Second operand 13 states and 1126 transitions. [2024-11-09 06:51:54,195 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 290 transitions, 2067 flow [2024-11-09 06:51:54,232 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 183 places, 290 transitions, 1979 flow, removed 35 selfloop flow, removed 9 redundant places. [2024-11-09 06:51:54,236 INFO L231 Difference]: Finished difference. Result has 188 places, 261 transitions, 1754 flow [2024-11-09 06:51:54,237 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1633, PETRI_DIFFERENCE_MINUEND_PLACES=171, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=255, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=233, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1754, PETRI_PLACES=188, PETRI_TRANSITIONS=261} [2024-11-09 06:51:54,237 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 74 predicate places. [2024-11-09 06:51:54,237 INFO L471 AbstractCegarLoop]: Abstraction has has 188 places, 261 transitions, 1754 flow [2024-11-09 06:51:54,238 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:51:54,238 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:51:54,238 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] [2024-11-09 06:51:54,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 06:51:54,239 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-09 06:51:54,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:51:54,239 INFO L85 PathProgramCache]: Analyzing trace with hash -1614284322, now seen corresponding path program 5 times [2024-11-09 06:51:54,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:51:54,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631591968] [2024-11-09 06:51:54,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:51:54,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:51:54,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:51:54,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:51:54,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:51:54,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631591968] [2024-11-09 06:51:54,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631591968] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:51:54,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:51:54,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-09 06:51:54,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676343912] [2024-11-09 06:51:54,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:51:54,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:51:54,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:51:54,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:51:54,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:51:55,253 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-09 06:51:55,254 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 261 transitions, 1754 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:51:55,254 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:51:55,254 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-09 06:51:55,255 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:51:55,930 INFO L124 PetriNetUnfolderBase]: 1071/3796 cut-off events. [2024-11-09 06:51:55,930 INFO L125 PetriNetUnfolderBase]: For 7086/7232 co-relation queries the response was YES. [2024-11-09 06:51:55,946 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12231 conditions, 3796 events. 1071/3796 cut-off events. For 7086/7232 co-relation queries the response was YES. Maximal size of possible extension queue 243. Compared 34631 event pairs, 46 based on Foata normal form. 22/3804 useless extension candidates. Maximal degree in co-relation 12169. Up to 696 conditions per place. [2024-11-09 06:51:55,962 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 50 selfloop transitions, 24 changer transitions 3/289 dead transitions. [2024-11-09 06:51:55,964 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 289 transitions, 2092 flow [2024-11-09 06:51:55,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 06:51:55,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-09 06:51:55,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1132 transitions. [2024-11-09 06:51:55,967 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7844767844767845 [2024-11-09 06:51:55,967 INFO L175 Difference]: Start difference. First operand has 188 places, 261 transitions, 1754 flow. Second operand 13 states and 1132 transitions. [2024-11-09 06:51:55,967 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 198 places, 289 transitions, 2092 flow [2024-11-09 06:51:56,011 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 189 places, 289 transitions, 2035 flow, removed 7 selfloop flow, removed 9 redundant places. [2024-11-09 06:51:56,014 INFO L231 Difference]: Finished difference. Result has 193 places, 267 transitions, 1835 flow [2024-11-09 06:51:56,016 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1715, PETRI_DIFFERENCE_MINUEND_PLACES=177, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=261, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=238, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1835, PETRI_PLACES=193, PETRI_TRANSITIONS=267} [2024-11-09 06:51:56,017 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 79 predicate places. [2024-11-09 06:51:56,017 INFO L471 AbstractCegarLoop]: Abstraction has has 193 places, 267 transitions, 1835 flow [2024-11-09 06:51:56,017 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:51:56,018 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:51:56,018 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] [2024-11-09 06:51:56,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 06:51:56,018 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-09 06:51:56,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:51:56,019 INFO L85 PathProgramCache]: Analyzing trace with hash -2046644978, now seen corresponding path program 6 times [2024-11-09 06:51:56,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:51:56,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374707805] [2024-11-09 06:51:56,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:51:56,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:51:56,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:51:56,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:51:56,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:51:56,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374707805] [2024-11-09 06:51:56,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374707805] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:51:56,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:51:56,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-09 06:51:56,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592818201] [2024-11-09 06:51:56,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:51:56,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:51:56,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:51:56,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:51:56,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:51:57,053 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-09 06:51:57,054 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 267 transitions, 1835 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:51:57,054 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:51:57,054 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-09 06:51:57,054 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:51:57,762 INFO L124 PetriNetUnfolderBase]: 1338/4720 cut-off events. [2024-11-09 06:51:57,762 INFO L125 PetriNetUnfolderBase]: For 9773/9961 co-relation queries the response was YES. [2024-11-09 06:51:57,785 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15482 conditions, 4720 events. 1338/4720 cut-off events. For 9773/9961 co-relation queries the response was YES. Maximal size of possible extension queue 301. Compared 45180 event pairs, 66 based on Foata normal form. 22/4723 useless extension candidates. Maximal degree in co-relation 15418. Up to 864 conditions per place. [2024-11-09 06:51:57,798 INFO L140 encePairwiseOnDemand]: 91/111 looper letters, 57 selfloop transitions, 27 changer transitions 4/300 dead transitions. [2024-11-09 06:51:57,799 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 204 places, 300 transitions, 2260 flow [2024-11-09 06:51:57,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 06:51:57,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-09 06:51:57,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1132 transitions. [2024-11-09 06:51:57,805 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7844767844767845 [2024-11-09 06:51:57,805 INFO L175 Difference]: Start difference. First operand has 193 places, 267 transitions, 1835 flow. Second operand 13 states and 1132 transitions. [2024-11-09 06:51:57,805 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 204 places, 300 transitions, 2260 flow [2024-11-09 06:51:57,914 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 300 transitions, 2195 flow, removed 6 selfloop flow, removed 9 redundant places. [2024-11-09 06:51:57,921 INFO L231 Difference]: Finished difference. Result has 201 places, 274 transitions, 1957 flow [2024-11-09 06:51:57,921 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1791, PETRI_DIFFERENCE_MINUEND_PLACES=183, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=267, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=241, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1957, PETRI_PLACES=201, PETRI_TRANSITIONS=274} [2024-11-09 06:51:57,925 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 87 predicate places. [2024-11-09 06:51:57,926 INFO L471 AbstractCegarLoop]: Abstraction has has 201 places, 274 transitions, 1957 flow [2024-11-09 06:51:57,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:51:57,926 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:51:57,926 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] [2024-11-09 06:51:57,927 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-09 06:51:57,927 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-09 06:51:57,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:51:57,927 INFO L85 PathProgramCache]: Analyzing trace with hash -1085975770, now seen corresponding path program 7 times [2024-11-09 06:51:57,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:51:57,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239009772] [2024-11-09 06:51:57,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:51:57,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:51:57,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:51:58,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:51:58,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:51:58,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239009772] [2024-11-09 06:51:58,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239009772] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:51:58,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:51:58,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-09 06:51:58,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504818678] [2024-11-09 06:51:58,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:51:58,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:51:58,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:51:58,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:51:58,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:51:58,867 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-09 06:51:58,868 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 274 transitions, 1957 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:51:58,869 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:51:58,869 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-09 06:51:58,869 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:51:59,687 INFO L124 PetriNetUnfolderBase]: 1601/5588 cut-off events. [2024-11-09 06:51:59,688 INFO L125 PetriNetUnfolderBase]: For 12716/12936 co-relation queries the response was YES. [2024-11-09 06:51:59,715 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18575 conditions, 5588 events. 1601/5588 cut-off events. For 12716/12936 co-relation queries the response was YES. Maximal size of possible extension queue 359. Compared 55564 event pairs, 73 based on Foata normal form. 30/5596 useless extension candidates. Maximal degree in co-relation 18506. Up to 1026 conditions per place. [2024-11-09 06:51:59,734 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 56 selfloop transitions, 31 changer transitions 5/304 dead transitions. [2024-11-09 06:51:59,735 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 304 transitions, 2404 flow [2024-11-09 06:51:59,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 06:51:59,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-09 06:51:59,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1131 transitions. [2024-11-09 06:51:59,739 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7837837837837838 [2024-11-09 06:51:59,740 INFO L175 Difference]: Start difference. First operand has 201 places, 274 transitions, 1957 flow. Second operand 13 states and 1131 transitions. [2024-11-09 06:51:59,740 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 211 places, 304 transitions, 2404 flow [2024-11-09 06:51:59,808 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 203 places, 304 transitions, 2327 flow, removed 22 selfloop flow, removed 8 redundant places. [2024-11-09 06:51:59,811 INFO L231 Difference]: Finished difference. Result has 208 places, 281 transitions, 2082 flow [2024-11-09 06:51:59,812 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1903, PETRI_DIFFERENCE_MINUEND_PLACES=191, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=274, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=244, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2082, PETRI_PLACES=208, PETRI_TRANSITIONS=281} [2024-11-09 06:51:59,813 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 94 predicate places. [2024-11-09 06:51:59,813 INFO L471 AbstractCegarLoop]: Abstraction has has 208 places, 281 transitions, 2082 flow [2024-11-09 06:51:59,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:51:59,813 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:51:59,814 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] [2024-11-09 06:51:59,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-09 06:51:59,814 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-09 06:51:59,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:51:59,814 INFO L85 PathProgramCache]: Analyzing trace with hash -1348704374, now seen corresponding path program 8 times [2024-11-09 06:51:59,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:51:59,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721960199] [2024-11-09 06:51:59,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:51:59,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:51:59,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:00,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:52:00,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:00,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721960199] [2024-11-09 06:52:00,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721960199] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:00,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:00,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-09 06:52:00,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918522815] [2024-11-09 06:52:00,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:00,219 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:52:00,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:00,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:52:00,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:52:00,724 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-09 06:52:00,725 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 208 places, 281 transitions, 2082 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:00,725 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:00,725 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-09 06:52:00,725 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:01,505 INFO L124 PetriNetUnfolderBase]: 1600/5606 cut-off events. [2024-11-09 06:52:01,505 INFO L125 PetriNetUnfolderBase]: For 13882/14111 co-relation queries the response was YES. [2024-11-09 06:52:01,530 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18835 conditions, 5606 events. 1600/5606 cut-off events. For 13882/14111 co-relation queries the response was YES. Maximal size of possible extension queue 360. Compared 55802 event pairs, 73 based on Foata normal form. 37/5620 useless extension candidates. Maximal degree in co-relation 18763. Up to 1027 conditions per place. [2024-11-09 06:52:01,546 INFO L140 encePairwiseOnDemand]: 91/111 looper letters, 56 selfloop transitions, 33 changer transitions 5/306 dead transitions. [2024-11-09 06:52:01,546 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 219 places, 306 transitions, 2472 flow [2024-11-09 06:52:01,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 06:52:01,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-09 06:52:01,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1135 transitions. [2024-11-09 06:52:01,548 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7865557865557865 [2024-11-09 06:52:01,548 INFO L175 Difference]: Start difference. First operand has 208 places, 281 transitions, 2082 flow. Second operand 13 states and 1135 transitions. [2024-11-09 06:52:01,548 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 219 places, 306 transitions, 2472 flow [2024-11-09 06:52:01,612 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 211 places, 306 transitions, 2399 flow, removed 16 selfloop flow, removed 8 redundant places. [2024-11-09 06:52:01,615 INFO L231 Difference]: Finished difference. Result has 216 places, 283 transitions, 2144 flow [2024-11-09 06:52:01,615 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=2019, PETRI_DIFFERENCE_MINUEND_PLACES=199, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=281, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=248, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2144, PETRI_PLACES=216, PETRI_TRANSITIONS=283} [2024-11-09 06:52:01,616 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 102 predicate places. [2024-11-09 06:52:01,616 INFO L471 AbstractCegarLoop]: Abstraction has has 216 places, 283 transitions, 2144 flow [2024-11-09 06:52:01,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:01,616 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:01,616 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] [2024-11-09 06:52:01,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-09 06:52:01,617 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-09 06:52:01,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:01,617 INFO L85 PathProgramCache]: Analyzing trace with hash -529829048, now seen corresponding path program 9 times [2024-11-09 06:52:01,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:01,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766971630] [2024-11-09 06:52:01,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:01,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:01,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:01,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:52:01,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:01,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766971630] [2024-11-09 06:52:01,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766971630] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:01,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:01,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-09 06:52:01,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106939329] [2024-11-09 06:52:01,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:01,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:52:01,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:01,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:52:01,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:52:02,387 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-09 06:52:02,388 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 216 places, 283 transitions, 2144 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:02,388 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:02,388 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-09 06:52:02,388 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:03,244 INFO L124 PetriNetUnfolderBase]: 1599/5601 cut-off events. [2024-11-09 06:52:03,244 INFO L125 PetriNetUnfolderBase]: For 14626/14845 co-relation queries the response was YES. [2024-11-09 06:52:03,265 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18931 conditions, 5601 events. 1599/5601 cut-off events. For 14626/14845 co-relation queries the response was YES. Maximal size of possible extension queue 359. Compared 55691 event pairs, 77 based on Foata normal form. 25/5603 useless extension candidates. Maximal degree in co-relation 18855. Up to 1039 conditions per place. [2024-11-09 06:52:03,277 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 59 selfloop transitions, 29 changer transitions 2/302 dead transitions. [2024-11-09 06:52:03,278 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 302 transitions, 2504 flow [2024-11-09 06:52:03,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 06:52:03,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-09 06:52:03,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1138 transitions. [2024-11-09 06:52:03,280 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7886347886347886 [2024-11-09 06:52:03,280 INFO L175 Difference]: Start difference. First operand has 216 places, 283 transitions, 2144 flow. Second operand 13 states and 1138 transitions. [2024-11-09 06:52:03,280 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 302 transitions, 2504 flow [2024-11-09 06:52:03,341 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 302 transitions, 2341 flow, removed 39 selfloop flow, removed 13 redundant places. [2024-11-09 06:52:03,345 INFO L231 Difference]: Finished difference. Result has 218 places, 287 transitions, 2156 flow [2024-11-09 06:52:03,345 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=2025, PETRI_DIFFERENCE_MINUEND_PLACES=201, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=283, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=254, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2156, PETRI_PLACES=218, PETRI_TRANSITIONS=287} [2024-11-09 06:52:03,345 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 104 predicate places. [2024-11-09 06:52:03,345 INFO L471 AbstractCegarLoop]: Abstraction has has 218 places, 287 transitions, 2156 flow [2024-11-09 06:52:03,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:03,346 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:03,346 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] [2024-11-09 06:52:03,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-09 06:52:03,346 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-09 06:52:03,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:03,347 INFO L85 PathProgramCache]: Analyzing trace with hash 1852955070, now seen corresponding path program 1 times [2024-11-09 06:52:03,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:03,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841433675] [2024-11-09 06:52:03,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:03,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:03,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:03,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:52:03,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:03,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841433675] [2024-11-09 06:52:03,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841433675] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:03,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:03,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-09 06:52:03,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353137256] [2024-11-09 06:52:03,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:03,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:52:03,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:03,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:52:03,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:52:04,298 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-09 06:52:04,299 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 218 places, 287 transitions, 2156 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:04,300 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:04,300 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-09 06:52:04,300 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:05,371 INFO L124 PetriNetUnfolderBase]: 1860/6447 cut-off events. [2024-11-09 06:52:05,372 INFO L125 PetriNetUnfolderBase]: For 16464/16709 co-relation queries the response was YES. [2024-11-09 06:52:05,575 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21684 conditions, 6447 events. 1860/6447 cut-off events. For 16464/16709 co-relation queries the response was YES. Maximal size of possible extension queue 418. Compared 66101 event pairs, 85 based on Foata normal form. 24/6444 useless extension candidates. Maximal degree in co-relation 21609. Up to 1204 conditions per place. [2024-11-09 06:52:05,589 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 66 selfloop transitions, 31 changer transitions 3/312 dead transitions. [2024-11-09 06:52:05,589 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 229 places, 312 transitions, 2603 flow [2024-11-09 06:52:05,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 06:52:05,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-09 06:52:05,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1139 transitions. [2024-11-09 06:52:05,591 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7893277893277894 [2024-11-09 06:52:05,591 INFO L175 Difference]: Start difference. First operand has 218 places, 287 transitions, 2156 flow. Second operand 13 states and 1139 transitions. [2024-11-09 06:52:05,591 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 229 places, 312 transitions, 2603 flow [2024-11-09 06:52:05,733 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 221 places, 312 transitions, 2515 flow, removed 24 selfloop flow, removed 8 redundant places. [2024-11-09 06:52:05,737 INFO L231 Difference]: Finished difference. Result has 225 places, 293 transitions, 2264 flow [2024-11-09 06:52:05,737 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=2097, PETRI_DIFFERENCE_MINUEND_PLACES=209, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=287, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=257, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2264, PETRI_PLACES=225, PETRI_TRANSITIONS=293} [2024-11-09 06:52:05,738 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 111 predicate places. [2024-11-09 06:52:05,738 INFO L471 AbstractCegarLoop]: Abstraction has has 225 places, 293 transitions, 2264 flow [2024-11-09 06:52:05,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:05,738 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:05,738 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] [2024-11-09 06:52:05,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-09 06:52:05,739 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-09 06:52:05,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:05,740 INFO L85 PathProgramCache]: Analyzing trace with hash 1069381706, now seen corresponding path program 2 times [2024-11-09 06:52:05,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:05,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086534027] [2024-11-09 06:52:05,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:05,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:05,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:06,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:52:06,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:06,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086534027] [2024-11-09 06:52:06,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086534027] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:06,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:06,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-09 06:52:06,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207547332] [2024-11-09 06:52:06,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:06,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:52:06,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:06,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:52:06,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:52:06,527 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-09 06:52:06,529 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 225 places, 293 transitions, 2264 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:06,529 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:06,529 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-09 06:52:06,530 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:07,842 INFO L124 PetriNetUnfolderBase]: 1859/6482 cut-off events. [2024-11-09 06:52:07,842 INFO L125 PetriNetUnfolderBase]: For 16839/17086 co-relation queries the response was YES. [2024-11-09 06:52:07,879 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21848 conditions, 6482 events. 1859/6482 cut-off events. For 16839/17086 co-relation queries the response was YES. Maximal size of possible extension queue 417. Compared 66546 event pairs, 88 based on Foata normal form. 27/6482 useless extension candidates. Maximal degree in co-relation 21770. Up to 1210 conditions per place. [2024-11-09 06:52:07,893 INFO L140 encePairwiseOnDemand]: 92/111 looper letters, 63 selfloop transitions, 29 changer transitions 5/309 dead transitions. [2024-11-09 06:52:07,893 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 236 places, 309 transitions, 2584 flow [2024-11-09 06:52:07,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 06:52:07,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-09 06:52:07,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1139 transitions. [2024-11-09 06:52:07,895 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7893277893277894 [2024-11-09 06:52:07,895 INFO L175 Difference]: Start difference. First operand has 225 places, 293 transitions, 2264 flow. Second operand 13 states and 1139 transitions. [2024-11-09 06:52:07,895 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 236 places, 309 transitions, 2584 flow [2024-11-09 06:52:07,979 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 227 places, 309 transitions, 2527 flow, removed 5 selfloop flow, removed 9 redundant places. [2024-11-09 06:52:07,982 INFO L231 Difference]: Finished difference. Result has 230 places, 293 transitions, 2286 flow [2024-11-09 06:52:07,983 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=2213, PETRI_DIFFERENCE_MINUEND_PLACES=215, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=293, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=264, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2286, PETRI_PLACES=230, PETRI_TRANSITIONS=293} [2024-11-09 06:52:07,983 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 116 predicate places. [2024-11-09 06:52:07,983 INFO L471 AbstractCegarLoop]: Abstraction has has 230 places, 293 transitions, 2286 flow [2024-11-09 06:52:07,984 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:07,984 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:07,984 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] [2024-11-09 06:52:07,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-09 06:52:07,984 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-09 06:52:07,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:07,985 INFO L85 PathProgramCache]: Analyzing trace with hash 1488705598, now seen corresponding path program 3 times [2024-11-09 06:52:07,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:07,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612975445] [2024-11-09 06:52:07,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:07,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:07,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:08,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:52:08,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:08,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612975445] [2024-11-09 06:52:08,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612975445] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:08,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:08,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-09 06:52:08,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508243149] [2024-11-09 06:52:08,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:08,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:52:08,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:08,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:52:08,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:52:09,008 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-09 06:52:09,009 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 230 places, 293 transitions, 2286 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:09,010 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:09,010 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-09 06:52:09,010 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:10,021 INFO L124 PetriNetUnfolderBase]: 1597/5639 cut-off events. [2024-11-09 06:52:10,021 INFO L125 PetriNetUnfolderBase]: For 14677/14892 co-relation queries the response was YES. [2024-11-09 06:52:10,044 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18976 conditions, 5639 events. 1597/5639 cut-off events. For 14677/14892 co-relation queries the response was YES. Maximal size of possible extension queue 359. Compared 56229 event pairs, 76 based on Foata normal form. 21/5637 useless extension candidates. Maximal degree in co-relation 18896. Up to 1045 conditions per place. [2024-11-09 06:52:10,054 INFO L140 encePairwiseOnDemand]: 93/111 looper letters, 61 selfloop transitions, 25 changer transitions 9/307 dead transitions. [2024-11-09 06:52:10,054 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 240 places, 307 transitions, 2554 flow [2024-11-09 06:52:10,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 06:52:10,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-09 06:52:10,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1135 transitions. [2024-11-09 06:52:10,056 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7865557865557865 [2024-11-09 06:52:10,056 INFO L175 Difference]: Start difference. First operand has 230 places, 293 transitions, 2286 flow. Second operand 13 states and 1135 transitions. [2024-11-09 06:52:10,056 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 240 places, 307 transitions, 2554 flow [2024-11-09 06:52:10,126 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 307 transitions, 2475 flow, removed 8 selfloop flow, removed 12 redundant places. [2024-11-09 06:52:10,130 INFO L231 Difference]: Finished difference. Result has 231 places, 287 transitions, 2175 flow [2024-11-09 06:52:10,130 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=2146, PETRI_DIFFERENCE_MINUEND_PLACES=216, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=289, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=264, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2175, PETRI_PLACES=231, PETRI_TRANSITIONS=287} [2024-11-09 06:52:10,130 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 117 predicate places. [2024-11-09 06:52:10,130 INFO L471 AbstractCegarLoop]: Abstraction has has 231 places, 287 transitions, 2175 flow [2024-11-09 06:52:10,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:10,131 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:10,131 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] [2024-11-09 06:52:10,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-09 06:52:10,131 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-09 06:52:10,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:10,132 INFO L85 PathProgramCache]: Analyzing trace with hash 1659496530, now seen corresponding path program 4 times [2024-11-09 06:52:10,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:10,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093463589] [2024-11-09 06:52:10,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:10,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:10,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:10,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:52:10,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:10,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093463589] [2024-11-09 06:52:10,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093463589] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:10,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:10,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-09 06:52:10,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182671359] [2024-11-09 06:52:10,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:10,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:52:10,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:10,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:52:10,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:52:10,919 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-09 06:52:10,920 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 231 places, 287 transitions, 2175 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:10,921 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:10,921 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-09 06:52:10,921 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:11,909 INFO L124 PetriNetUnfolderBase]: 1596/5616 cut-off events. [2024-11-09 06:52:11,910 INFO L125 PetriNetUnfolderBase]: For 14277/14481 co-relation queries the response was YES. [2024-11-09 06:52:11,936 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18818 conditions, 5616 events. 1596/5616 cut-off events. For 14277/14481 co-relation queries the response was YES. Maximal size of possible extension queue 359. Compared 55979 event pairs, 77 based on Foata normal form. 21/5614 useless extension candidates. Maximal degree in co-relation 18737. Up to 1040 conditions per place. [2024-11-09 06:52:11,949 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 56 selfloop transitions, 29 changer transitions 5/302 dead transitions. [2024-11-09 06:52:11,950 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 302 transitions, 2491 flow [2024-11-09 06:52:11,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 06:52:11,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-09 06:52:11,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1138 transitions. [2024-11-09 06:52:11,952 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7886347886347886 [2024-11-09 06:52:11,952 INFO L175 Difference]: Start difference. First operand has 231 places, 287 transitions, 2175 flow. Second operand 13 states and 1138 transitions. [2024-11-09 06:52:11,952 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 238 places, 302 transitions, 2491 flow [2024-11-09 06:52:12,029 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 223 places, 302 transitions, 2404 flow, removed 14 selfloop flow, removed 15 redundant places. [2024-11-09 06:52:12,032 INFO L231 Difference]: Finished difference. Result has 225 places, 287 transitions, 2174 flow [2024-11-09 06:52:12,033 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=2109, PETRI_DIFFERENCE_MINUEND_PLACES=211, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=287, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=258, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2174, PETRI_PLACES=225, PETRI_TRANSITIONS=287} [2024-11-09 06:52:12,033 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 111 predicate places. [2024-11-09 06:52:12,033 INFO L471 AbstractCegarLoop]: Abstraction has has 225 places, 287 transitions, 2174 flow [2024-11-09 06:52:12,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:12,034 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:12,034 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] [2024-11-09 06:52:12,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-09 06:52:12,035 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-09 06:52:12,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:12,035 INFO L85 PathProgramCache]: Analyzing trace with hash 1891756424, now seen corresponding path program 5 times [2024-11-09 06:52:12,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:12,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961626446] [2024-11-09 06:52:12,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:12,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:12,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:12,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:52:12,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:12,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961626446] [2024-11-09 06:52:12,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961626446] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:12,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:12,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-09 06:52:12,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219639339] [2024-11-09 06:52:12,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:12,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:52:12,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:12,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:52:12,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:52:12,805 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-09 06:52:12,806 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 225 places, 287 transitions, 2174 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:12,806 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:12,806 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-09 06:52:12,806 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:13,561 INFO L124 PetriNetUnfolderBase]: 1332/4787 cut-off events. [2024-11-09 06:52:13,562 INFO L125 PetriNetUnfolderBase]: For 11631/11808 co-relation queries the response was YES. [2024-11-09 06:52:13,584 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15964 conditions, 4787 events. 1332/4787 cut-off events. For 11631/11808 co-relation queries the response was YES. Maximal size of possible extension queue 301. Compared 46140 event pairs, 67 based on Foata normal form. 20/4788 useless extension candidates. Maximal degree in co-relation 15886. Up to 880 conditions per place. [2024-11-09 06:52:13,596 INFO L140 encePairwiseOnDemand]: 93/111 looper letters, 52 selfloop transitions, 21 changer transitions 10/295 dead transitions. [2024-11-09 06:52:13,596 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 236 places, 295 transitions, 2360 flow [2024-11-09 06:52:13,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 06:52:13,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-09 06:52:13,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1134 transitions. [2024-11-09 06:52:13,598 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7858627858627859 [2024-11-09 06:52:13,598 INFO L175 Difference]: Start difference. First operand has 225 places, 287 transitions, 2174 flow. Second operand 13 states and 1134 transitions. [2024-11-09 06:52:13,598 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 236 places, 295 transitions, 2360 flow [2024-11-09 06:52:13,654 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 221 places, 295 transitions, 2258 flow, removed 10 selfloop flow, removed 15 redundant places. [2024-11-09 06:52:13,657 INFO L231 Difference]: Finished difference. Result has 221 places, 277 transitions, 1984 flow [2024-11-09 06:52:13,658 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=2014, PETRI_DIFFERENCE_MINUEND_PLACES=209, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=283, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=262, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1984, PETRI_PLACES=221, PETRI_TRANSITIONS=277} [2024-11-09 06:52:13,658 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 107 predicate places. [2024-11-09 06:52:13,658 INFO L471 AbstractCegarLoop]: Abstraction has has 221 places, 277 transitions, 1984 flow [2024-11-09 06:52:13,659 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:13,659 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:13,659 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] [2024-11-09 06:52:13,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-09 06:52:13,659 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-09 06:52:13,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:13,660 INFO L85 PathProgramCache]: Analyzing trace with hash 1619751972, now seen corresponding path program 6 times [2024-11-09 06:52:13,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:13,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055790697] [2024-11-09 06:52:13,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:13,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:13,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:14,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:52:14,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:14,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055790697] [2024-11-09 06:52:14,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055790697] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:14,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:14,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-09 06:52:14,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653591472] [2024-11-09 06:52:14,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:14,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:52:14,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:14,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:52:14,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:52:14,456 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-09 06:52:14,458 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 221 places, 277 transitions, 1984 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:14,458 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:14,458 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-09 06:52:14,458 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:15,227 INFO L124 PetriNetUnfolderBase]: 1069/3882 cut-off events. [2024-11-09 06:52:15,228 INFO L125 PetriNetUnfolderBase]: For 8246/8389 co-relation queries the response was YES. [2024-11-09 06:52:15,243 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12706 conditions, 3882 events. 1069/3882 cut-off events. For 8246/8389 co-relation queries the response was YES. Maximal size of possible extension queue 243. Compared 35628 event pairs, 47 based on Foata normal form. 18/3885 useless extension candidates. Maximal degree in co-relation 12656. Up to 704 conditions per place. [2024-11-09 06:52:15,252 INFO L140 encePairwiseOnDemand]: 93/111 looper letters, 50 selfloop transitions, 21 changer transitions 9/292 dead transitions. [2024-11-09 06:52:15,252 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 223 places, 292 transitions, 2187 flow [2024-11-09 06:52:15,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 06:52:15,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-09 06:52:15,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1127 transitions. [2024-11-09 06:52:15,254 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.781011781011781 [2024-11-09 06:52:15,254 INFO L175 Difference]: Start difference. First operand has 221 places, 277 transitions, 1984 flow. Second operand 13 states and 1127 transitions. [2024-11-09 06:52:15,255 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 223 places, 292 transitions, 2187 flow [2024-11-09 06:52:15,298 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 209 places, 292 transitions, 2108 flow, removed 8 selfloop flow, removed 14 redundant places. [2024-11-09 06:52:15,302 INFO L231 Difference]: Finished difference. Result has 212 places, 271 transitions, 1872 flow [2024-11-09 06:52:15,302 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1848, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=273, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=252, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1872, PETRI_PLACES=212, PETRI_TRANSITIONS=271} [2024-11-09 06:52:15,303 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 98 predicate places. [2024-11-09 06:52:15,303 INFO L471 AbstractCegarLoop]: Abstraction has has 212 places, 271 transitions, 1872 flow [2024-11-09 06:52:15,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:15,304 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:15,304 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] [2024-11-09 06:52:15,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-09 06:52:15,304 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-09 06:52:15,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:15,305 INFO L85 PathProgramCache]: Analyzing trace with hash 791919810, now seen corresponding path program 7 times [2024-11-09 06:52:15,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:15,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255247623] [2024-11-09 06:52:15,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:15,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:15,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:15,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:52:15,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:15,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255247623] [2024-11-09 06:52:15,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255247623] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:15,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:15,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-09 06:52:15,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529038476] [2024-11-09 06:52:15,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:15,875 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:52:15,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:15,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:52:15,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:52:16,377 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-09 06:52:16,379 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 212 places, 271 transitions, 1872 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:16,379 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:16,379 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-09 06:52:16,379 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:17,024 INFO L124 PetriNetUnfolderBase]: 1069/3880 cut-off events. [2024-11-09 06:52:17,024 INFO L125 PetriNetUnfolderBase]: For 7606/7740 co-relation queries the response was YES. [2024-11-09 06:52:17,042 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12600 conditions, 3880 events. 1069/3880 cut-off events. For 7606/7740 co-relation queries the response was YES. Maximal size of possible extension queue 244. Compared 35657 event pairs, 50 based on Foata normal form. 16/3881 useless extension candidates. Maximal degree in co-relation 12551. Up to 688 conditions per place. [2024-11-09 06:52:17,050 INFO L140 encePairwiseOnDemand]: 92/111 looper letters, 47 selfloop transitions, 23 changer transitions 5/287 dead transitions. [2024-11-09 06:52:17,051 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 219 places, 287 transitions, 2119 flow [2024-11-09 06:52:17,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 06:52:17,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-09 06:52:17,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1131 transitions. [2024-11-09 06:52:17,052 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7837837837837838 [2024-11-09 06:52:17,052 INFO L175 Difference]: Start difference. First operand has 212 places, 271 transitions, 1872 flow. Second operand 13 states and 1131 transitions. [2024-11-09 06:52:17,052 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 219 places, 287 transitions, 2119 flow [2024-11-09 06:52:17,090 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 203 places, 287 transitions, 2031 flow, removed 13 selfloop flow, removed 16 redundant places. [2024-11-09 06:52:17,093 INFO L231 Difference]: Finished difference. Result has 206 places, 271 transitions, 1862 flow [2024-11-09 06:52:17,093 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1803, PETRI_DIFFERENCE_MINUEND_PLACES=191, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=271, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=248, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1862, PETRI_PLACES=206, PETRI_TRANSITIONS=271} [2024-11-09 06:52:17,094 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 92 predicate places. [2024-11-09 06:52:17,094 INFO L471 AbstractCegarLoop]: Abstraction has has 206 places, 271 transitions, 1862 flow [2024-11-09 06:52:17,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:17,094 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:17,094 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] [2024-11-09 06:52:17,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-09 06:52:17,095 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-09 06:52:17,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:17,095 INFO L85 PathProgramCache]: Analyzing trace with hash 1461900676, now seen corresponding path program 8 times [2024-11-09 06:52:17,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:17,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008367079] [2024-11-09 06:52:17,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:17,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:17,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:17,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:52:17,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:17,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008367079] [2024-11-09 06:52:17,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008367079] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:17,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:17,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-09 06:52:17,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529935062] [2024-11-09 06:52:17,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:17,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:52:17,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:17,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:52:17,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:52:17,994 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-09 06:52:17,995 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 206 places, 271 transitions, 1862 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:17,995 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:17,995 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-09 06:52:17,995 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:18,645 INFO L124 PetriNetUnfolderBase]: 1067/3861 cut-off events. [2024-11-09 06:52:18,646 INFO L125 PetriNetUnfolderBase]: For 7394/7528 co-relation queries the response was YES. [2024-11-09 06:52:18,658 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12492 conditions, 3861 events. 1067/3861 cut-off events. For 7394/7528 co-relation queries the response was YES. Maximal size of possible extension queue 244. Compared 35415 event pairs, 50 based on Foata normal form. 16/3862 useless extension candidates. Maximal degree in co-relation 12446. Up to 691 conditions per place. [2024-11-09 06:52:18,665 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 44 selfloop transitions, 26 changer transitions 5/287 dead transitions. [2024-11-09 06:52:18,666 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 216 places, 287 transitions, 2113 flow [2024-11-09 06:52:18,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 06:52:18,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-09 06:52:18,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1130 transitions. [2024-11-09 06:52:18,668 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7830907830907831 [2024-11-09 06:52:18,668 INFO L175 Difference]: Start difference. First operand has 206 places, 271 transitions, 1862 flow. Second operand 13 states and 1130 transitions. [2024-11-09 06:52:18,668 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 216 places, 287 transitions, 2113 flow [2024-11-09 06:52:18,703 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 287 transitions, 2044 flow, removed 7 selfloop flow, removed 12 redundant places. [2024-11-09 06:52:18,706 INFO L231 Difference]: Finished difference. Result has 208 places, 273 transitions, 1894 flow [2024-11-09 06:52:18,707 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1807, PETRI_DIFFERENCE_MINUEND_PLACES=192, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=271, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=245, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1894, PETRI_PLACES=208, PETRI_TRANSITIONS=273} [2024-11-09 06:52:18,707 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 94 predicate places. [2024-11-09 06:52:18,707 INFO L471 AbstractCegarLoop]: Abstraction has has 208 places, 273 transitions, 1894 flow [2024-11-09 06:52:18,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:18,708 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:18,708 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] [2024-11-09 06:52:18,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-09 06:52:18,708 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-09 06:52:18,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:18,713 INFO L85 PathProgramCache]: Analyzing trace with hash -92043040, now seen corresponding path program 9 times [2024-11-09 06:52:18,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:18,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714215834] [2024-11-09 06:52:18,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:18,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:18,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:19,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:52:19,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:19,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714215834] [2024-11-09 06:52:19,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714215834] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:19,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:19,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-09 06:52:19,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908520011] [2024-11-09 06:52:19,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:19,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:52:19,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:19,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:52:19,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:52:19,976 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-09 06:52:19,977 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 208 places, 273 transitions, 1894 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:19,977 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:19,977 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-09 06:52:19,977 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:20,536 INFO L124 PetriNetUnfolderBase]: 806/3060 cut-off events. [2024-11-09 06:52:20,536 INFO L125 PetriNetUnfolderBase]: For 5664/5766 co-relation queries the response was YES. [2024-11-09 06:52:20,548 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9810 conditions, 3060 events. 806/3060 cut-off events. For 5664/5766 co-relation queries the response was YES. Maximal size of possible extension queue 185. Compared 26733 event pairs, 40 based on Foata normal form. 12/3061 useless extension candidates. Maximal degree in co-relation 9762. Up to 529 conditions per place. [2024-11-09 06:52:20,553 INFO L140 encePairwiseOnDemand]: 93/111 looper letters, 39 selfloop transitions, 17 changer transitions 13/281 dead transitions. [2024-11-09 06:52:20,554 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 219 places, 281 transitions, 2041 flow [2024-11-09 06:52:20,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 06:52:20,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-09 06:52:20,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1126 transitions. [2024-11-09 06:52:20,555 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7803187803187803 [2024-11-09 06:52:20,555 INFO L175 Difference]: Start difference. First operand has 208 places, 273 transitions, 1894 flow. Second operand 13 states and 1126 transitions. [2024-11-09 06:52:20,555 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 219 places, 281 transitions, 2041 flow [2024-11-09 06:52:20,582 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 209 places, 281 transitions, 1996 flow, removed 2 selfloop flow, removed 10 redundant places. [2024-11-09 06:52:20,585 INFO L231 Difference]: Finished difference. Result has 209 places, 262 transitions, 1761 flow [2024-11-09 06:52:20,585 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1792, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=268, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=251, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1761, PETRI_PLACES=209, PETRI_TRANSITIONS=262} [2024-11-09 06:52:20,586 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 95 predicate places. [2024-11-09 06:52:20,586 INFO L471 AbstractCegarLoop]: Abstraction has has 209 places, 262 transitions, 1761 flow [2024-11-09 06:52:20,586 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:20,587 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:20,587 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] [2024-11-09 06:52:20,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-09 06:52:20,587 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-09 06:52:20,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:20,587 INFO L85 PathProgramCache]: Analyzing trace with hash -184809626, now seen corresponding path program 10 times [2024-11-09 06:52:20,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:20,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479553463] [2024-11-09 06:52:20,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:20,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:20,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:20,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:52:20,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:20,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479553463] [2024-11-09 06:52:20,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479553463] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:20,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:20,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-09 06:52:20,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533383723] [2024-11-09 06:52:20,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:20,894 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:52:20,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:20,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:52:20,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:52:21,385 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-09 06:52:21,386 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 262 transitions, 1761 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:21,386 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:21,386 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-09 06:52:21,386 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:22,003 INFO L124 PetriNetUnfolderBase]: 1060/3739 cut-off events. [2024-11-09 06:52:22,003 INFO L125 PetriNetUnfolderBase]: For 6949/7086 co-relation queries the response was YES. [2024-11-09 06:52:22,018 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11965 conditions, 3739 events. 1060/3739 cut-off events. For 6949/7086 co-relation queries the response was YES. Maximal size of possible extension queue 243. Compared 34160 event pairs, 46 based on Foata normal form. 19/3743 useless extension candidates. Maximal degree in co-relation 11918. Up to 674 conditions per place. [2024-11-09 06:52:22,025 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 43 selfloop transitions, 28 changer transitions 1/284 dead transitions. [2024-11-09 06:52:22,025 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 284 transitions, 2045 flow [2024-11-09 06:52:22,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 06:52:22,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-09 06:52:22,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1135 transitions. [2024-11-09 06:52:22,027 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7865557865557865 [2024-11-09 06:52:22,027 INFO L175 Difference]: Start difference. First operand has 209 places, 262 transitions, 1761 flow. Second operand 13 states and 1135 transitions. [2024-11-09 06:52:22,027 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 211 places, 284 transitions, 2045 flow [2024-11-09 06:52:22,058 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 284 transitions, 1943 flow, removed 15 selfloop flow, removed 18 redundant places. [2024-11-09 06:52:22,061 INFO L231 Difference]: Finished difference. Result has 197 places, 269 transitions, 1826 flow [2024-11-09 06:52:22,061 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1688, PETRI_DIFFERENCE_MINUEND_PLACES=181, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=262, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=235, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1826, PETRI_PLACES=197, PETRI_TRANSITIONS=269} [2024-11-09 06:52:22,061 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 83 predicate places. [2024-11-09 06:52:22,062 INFO L471 AbstractCegarLoop]: Abstraction has has 197 places, 269 transitions, 1826 flow [2024-11-09 06:52:22,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:22,062 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:22,062 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] [2024-11-09 06:52:22,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-09 06:52:22,062 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-09 06:52:22,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:22,063 INFO L85 PathProgramCache]: Analyzing trace with hash -755499794, now seen corresponding path program 11 times [2024-11-09 06:52:22,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:22,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116261480] [2024-11-09 06:52:22,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:22,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:22,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:22,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:52:22,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:22,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116261480] [2024-11-09 06:52:22,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116261480] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:22,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:22,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-09 06:52:22,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382884006] [2024-11-09 06:52:22,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:22,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:52:22,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:22,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:52:22,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:52:22,881 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-09 06:52:22,882 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 197 places, 269 transitions, 1826 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:22,882 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:22,882 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-09 06:52:22,882 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:23,500 INFO L124 PetriNetUnfolderBase]: 1059/3721 cut-off events. [2024-11-09 06:52:23,501 INFO L125 PetriNetUnfolderBase]: For 7210/7355 co-relation queries the response was YES. [2024-11-09 06:52:23,519 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11966 conditions, 3721 events. 1059/3721 cut-off events. For 7210/7355 co-relation queries the response was YES. Maximal size of possible extension queue 243. Compared 33905 event pairs, 44 based on Foata normal form. 21/3727 useless extension candidates. Maximal degree in co-relation 11923. Up to 669 conditions per place. [2024-11-09 06:52:23,529 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 50 selfloop transitions, 27 changer transitions 2/291 dead transitions. [2024-11-09 06:52:23,529 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 291 transitions, 2110 flow [2024-11-09 06:52:23,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 06:52:23,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-09 06:52:23,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1123 transitions. [2024-11-09 06:52:23,531 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7782397782397782 [2024-11-09 06:52:23,531 INFO L175 Difference]: Start difference. First operand has 197 places, 269 transitions, 1826 flow. Second operand 13 states and 1123 transitions. [2024-11-09 06:52:23,531 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 291 transitions, 2110 flow [2024-11-09 06:52:23,572 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 291 transitions, 2068 flow, removed 1 selfloop flow, removed 8 redundant places. [2024-11-09 06:52:23,575 INFO L231 Difference]: Finished difference. Result has 205 places, 271 transitions, 1879 flow [2024-11-09 06:52:23,576 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1784, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=269, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=242, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1879, PETRI_PLACES=205, PETRI_TRANSITIONS=271} [2024-11-09 06:52:23,576 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 91 predicate places. [2024-11-09 06:52:23,576 INFO L471 AbstractCegarLoop]: Abstraction has has 205 places, 271 transitions, 1879 flow [2024-11-09 06:52:23,577 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:23,577 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:23,577 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] [2024-11-09 06:52:23,577 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-09 06:52:23,578 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-09 06:52:23,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:23,578 INFO L85 PathProgramCache]: Analyzing trace with hash 628826324, now seen corresponding path program 12 times [2024-11-09 06:52:23,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:23,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238700940] [2024-11-09 06:52:23,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:23,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:23,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:23,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:52:23,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:23,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238700940] [2024-11-09 06:52:23,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238700940] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:23,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:23,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-09 06:52:23,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804105274] [2024-11-09 06:52:23,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:23,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:52:23,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:23,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:52:23,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:52:24,524 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-09 06:52:24,526 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 271 transitions, 1879 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:24,526 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:24,526 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-09 06:52:24,526 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:25,145 INFO L124 PetriNetUnfolderBase]: 796/2901 cut-off events. [2024-11-09 06:52:25,145 INFO L125 PetriNetUnfolderBase]: For 5689/5805 co-relation queries the response was YES. [2024-11-09 06:52:25,160 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9309 conditions, 2901 events. 796/2901 cut-off events. For 5689/5805 co-relation queries the response was YES. Maximal size of possible extension queue 184. Compared 25058 event pairs, 33 based on Foata normal form. 18/2908 useless extension candidates. Maximal degree in co-relation 9262. Up to 510 conditions per place. [2024-11-09 06:52:25,168 INFO L140 encePairwiseOnDemand]: 94/111 looper letters, 46 selfloop transitions, 18 changer transitions 8/284 dead transitions. [2024-11-09 06:52:25,168 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 216 places, 284 transitions, 2064 flow [2024-11-09 06:52:25,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 06:52:25,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-09 06:52:25,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1117 transitions. [2024-11-09 06:52:25,169 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.774081774081774 [2024-11-09 06:52:25,170 INFO L175 Difference]: Start difference. First operand has 205 places, 271 transitions, 1879 flow. Second operand 13 states and 1117 transitions. [2024-11-09 06:52:25,170 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 216 places, 284 transitions, 2064 flow [2024-11-09 06:52:25,198 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 284 transitions, 2001 flow, removed 8 selfloop flow, removed 12 redundant places. [2024-11-09 06:52:25,201 INFO L231 Difference]: Finished difference. Result has 207 places, 262 transitions, 1768 flow [2024-11-09 06:52:25,202 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1763, PETRI_DIFFERENCE_MINUEND_PLACES=192, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=266, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=248, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1768, PETRI_PLACES=207, PETRI_TRANSITIONS=262} [2024-11-09 06:52:25,202 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 93 predicate places. [2024-11-09 06:52:25,202 INFO L471 AbstractCegarLoop]: Abstraction has has 207 places, 262 transitions, 1768 flow [2024-11-09 06:52:25,203 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:25,203 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:25,203 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] [2024-11-09 06:52:25,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-09 06:52:25,203 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-09 06:52:25,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:25,204 INFO L85 PathProgramCache]: Analyzing trace with hash 783458368, now seen corresponding path program 13 times [2024-11-09 06:52:25,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:25,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538263245] [2024-11-09 06:52:25,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:25,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:25,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:25,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:52:25,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:25,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538263245] [2024-11-09 06:52:25,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538263245] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:25,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:25,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-09 06:52:25,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379125691] [2024-11-09 06:52:25,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:25,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:52:25,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:25,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:52:25,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:52:25,934 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-09 06:52:25,936 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 262 transitions, 1768 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:25,936 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:25,936 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-09 06:52:25,936 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:26,503 INFO L124 PetriNetUnfolderBase]: 795/2836 cut-off events. [2024-11-09 06:52:26,504 INFO L125 PetriNetUnfolderBase]: For 5488/5608 co-relation queries the response was YES. [2024-11-09 06:52:26,517 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9089 conditions, 2836 events. 795/2836 cut-off events. For 5488/5608 co-relation queries the response was YES. Maximal size of possible extension queue 183. Compared 24272 event pairs, 35 based on Foata normal form. 26/2851 useless extension candidates. Maximal degree in co-relation 9042. Up to 511 conditions per place. [2024-11-09 06:52:26,524 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 33 selfloop transitions, 30 changer transitions 2/277 dead transitions. [2024-11-09 06:52:26,524 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 277 transitions, 1992 flow [2024-11-09 06:52:26,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 06:52:26,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-09 06:52:26,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1122 transitions. [2024-11-09 06:52:26,526 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7775467775467776 [2024-11-09 06:52:26,526 INFO L175 Difference]: Start difference. First operand has 207 places, 262 transitions, 1768 flow. Second operand 13 states and 1122 transitions. [2024-11-09 06:52:26,526 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 211 places, 277 transitions, 1992 flow [2024-11-09 06:52:26,552 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 277 transitions, 1908 flow, removed 6 selfloop flow, removed 18 redundant places. [2024-11-09 06:52:26,555 INFO L231 Difference]: Finished difference. Result has 195 places, 262 transitions, 1772 flow [2024-11-09 06:52:26,556 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1702, PETRI_DIFFERENCE_MINUEND_PLACES=181, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=262, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=232, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1772, PETRI_PLACES=195, PETRI_TRANSITIONS=262} [2024-11-09 06:52:26,556 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 81 predicate places. [2024-11-09 06:52:26,556 INFO L471 AbstractCegarLoop]: Abstraction has has 195 places, 262 transitions, 1772 flow [2024-11-09 06:52:26,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:26,557 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:26,557 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] [2024-11-09 06:52:26,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-09 06:52:26,558 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-09 06:52:26,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:26,558 INFO L85 PathProgramCache]: Analyzing trace with hash -472591012, now seen corresponding path program 14 times [2024-11-09 06:52:26,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:26,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999054635] [2024-11-09 06:52:26,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:26,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:26,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:26,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:52:26,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:26,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999054635] [2024-11-09 06:52:26,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999054635] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:26,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:26,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-09 06:52:26,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277941182] [2024-11-09 06:52:26,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:26,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:52:26,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:26,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:52:26,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:52:27,440 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-09 06:52:27,441 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 195 places, 262 transitions, 1772 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:27,442 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:27,442 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-09 06:52:27,442 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:27,934 INFO L124 PetriNetUnfolderBase]: 534/2068 cut-off events. [2024-11-09 06:52:27,934 INFO L125 PetriNetUnfolderBase]: For 3733/3810 co-relation queries the response was YES. [2024-11-09 06:52:27,943 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6555 conditions, 2068 events. 534/2068 cut-off events. For 3733/3810 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 16263 event pairs, 24 based on Foata normal form. 10/2071 useless extension candidates. Maximal degree in co-relation 6514. Up to 350 conditions per place. [2024-11-09 06:52:27,947 INFO L140 encePairwiseOnDemand]: 93/111 looper letters, 35 selfloop transitions, 18 changer transitions 7/272 dead transitions. [2024-11-09 06:52:27,948 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 272 transitions, 1924 flow [2024-11-09 06:52:27,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 06:52:27,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-09 06:52:27,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1124 transitions. [2024-11-09 06:52:27,949 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7789327789327789 [2024-11-09 06:52:27,949 INFO L175 Difference]: Start difference. First operand has 195 places, 262 transitions, 1772 flow. Second operand 13 states and 1124 transitions. [2024-11-09 06:52:27,950 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 272 transitions, 1924 flow [2024-11-09 06:52:27,969 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 272 transitions, 1871 flow, removed 3 selfloop flow, removed 11 redundant places. [2024-11-09 06:52:27,972 INFO L231 Difference]: Finished difference. Result has 196 places, 255 transitions, 1679 flow [2024-11-09 06:52:27,973 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1675, PETRI_DIFFERENCE_MINUEND_PLACES=183, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=258, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=240, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1679, PETRI_PLACES=196, PETRI_TRANSITIONS=255} [2024-11-09 06:52:27,973 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 82 predicate places. [2024-11-09 06:52:27,973 INFO L471 AbstractCegarLoop]: Abstraction has has 196 places, 255 transitions, 1679 flow [2024-11-09 06:52:27,974 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:27,974 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:27,974 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] [2024-11-09 06:52:27,975 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-09 06:52:27,975 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-09 06:52:27,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:27,975 INFO L85 PathProgramCache]: Analyzing trace with hash -260586056, now seen corresponding path program 15 times [2024-11-09 06:52:27,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:27,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594495527] [2024-11-09 06:52:27,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:27,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:27,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:28,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:52:28,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:28,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594495527] [2024-11-09 06:52:28,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594495527] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:28,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:28,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-09 06:52:28,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215546427] [2024-11-09 06:52:28,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:28,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:52:28,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:28,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:52:28,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:52:28,821 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-09 06:52:28,822 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 255 transitions, 1679 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:28,822 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:28,822 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-09 06:52:28,822 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:29,190 INFO L124 PetriNetUnfolderBase]: 533/2047 cut-off events. [2024-11-09 06:52:29,190 INFO L125 PetriNetUnfolderBase]: For 3640/3720 co-relation queries the response was YES. [2024-11-09 06:52:29,198 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6458 conditions, 2047 events. 533/2047 cut-off events. For 3640/3720 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 16036 event pairs, 25 based on Foata normal form. 13/2053 useless extension candidates. Maximal degree in co-relation 6417. Up to 349 conditions per place. [2024-11-09 06:52:29,202 INFO L140 encePairwiseOnDemand]: 92/111 looper letters, 33 selfloop transitions, 20 changer transitions 5/270 dead transitions. [2024-11-09 06:52:29,202 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 270 transitions, 1891 flow [2024-11-09 06:52:29,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 06:52:29,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-09 06:52:29,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1123 transitions. [2024-11-09 06:52:29,204 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7782397782397782 [2024-11-09 06:52:29,204 INFO L175 Difference]: Start difference. First operand has 196 places, 255 transitions, 1679 flow. Second operand 13 states and 1123 transitions. [2024-11-09 06:52:29,204 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 202 places, 270 transitions, 1891 flow [2024-11-09 06:52:29,222 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 270 transitions, 1816 flow, removed 12 selfloop flow, removed 14 redundant places. [2024-11-09 06:52:29,224 INFO L231 Difference]: Finished difference. Result has 191 places, 255 transitions, 1680 flow [2024-11-09 06:52:29,225 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1627, PETRI_DIFFERENCE_MINUEND_PLACES=176, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=255, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=235, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1680, PETRI_PLACES=191, PETRI_TRANSITIONS=255} [2024-11-09 06:52:29,225 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 77 predicate places. [2024-11-09 06:52:29,225 INFO L471 AbstractCegarLoop]: Abstraction has has 191 places, 255 transitions, 1680 flow [2024-11-09 06:52:29,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:29,226 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:29,226 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] [2024-11-09 06:52:29,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-09 06:52:29,226 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-09 06:52:29,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:29,227 INFO L85 PathProgramCache]: Analyzing trace with hash 329528768, now seen corresponding path program 16 times [2024-11-09 06:52:29,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:29,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771017604] [2024-11-09 06:52:29,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:29,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:29,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:29,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:52:29,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:29,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771017604] [2024-11-09 06:52:29,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771017604] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:29,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:29,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-09 06:52:29,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628073760] [2024-11-09 06:52:29,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:29,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:52:29,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:29,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:52:29,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:52:30,156 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-09 06:52:30,157 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 255 transitions, 1680 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:30,157 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:30,157 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-09 06:52:30,157 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:30,627 INFO L124 PetriNetUnfolderBase]: 533/2024 cut-off events. [2024-11-09 06:52:30,628 INFO L125 PetriNetUnfolderBase]: For 3506/3581 co-relation queries the response was YES. [2024-11-09 06:52:30,636 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6400 conditions, 2024 events. 533/2024 cut-off events. For 3506/3581 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 15805 event pairs, 25 based on Foata normal form. 13/2030 useless extension candidates. Maximal degree in co-relation 6360. Up to 340 conditions per place. [2024-11-09 06:52:30,641 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 30 selfloop transitions, 23 changer transitions 5/270 dead transitions. [2024-11-09 06:52:30,641 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 201 places, 270 transitions, 1894 flow [2024-11-09 06:52:30,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 06:52:30,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-09 06:52:30,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1122 transitions. [2024-11-09 06:52:30,643 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7775467775467776 [2024-11-09 06:52:30,643 INFO L175 Difference]: Start difference. First operand has 191 places, 255 transitions, 1680 flow. Second operand 13 states and 1122 transitions. [2024-11-09 06:52:30,643 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 201 places, 270 transitions, 1894 flow [2024-11-09 06:52:30,662 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 270 transitions, 1821 flow, removed 12 selfloop flow, removed 13 redundant places. [2024-11-09 06:52:30,665 INFO L231 Difference]: Finished difference. Result has 190 places, 255 transitions, 1680 flow [2024-11-09 06:52:30,665 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1627, PETRI_DIFFERENCE_MINUEND_PLACES=176, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=255, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=232, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1680, PETRI_PLACES=190, PETRI_TRANSITIONS=255} [2024-11-09 06:52:30,666 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 76 predicate places. [2024-11-09 06:52:30,666 INFO L471 AbstractCegarLoop]: Abstraction has has 190 places, 255 transitions, 1680 flow [2024-11-09 06:52:30,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:30,667 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:30,667 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] [2024-11-09 06:52:30,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-09 06:52:30,667 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-09 06:52:30,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:30,668 INFO L85 PathProgramCache]: Analyzing trace with hash 561788662, now seen corresponding path program 17 times [2024-11-09 06:52:30,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:30,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394260648] [2024-11-09 06:52:30,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:30,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:30,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:31,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:52:31,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:31,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394260648] [2024-11-09 06:52:31,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394260648] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:31,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:31,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-09 06:52:31,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212373173] [2024-11-09 06:52:31,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:31,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:52:31,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:31,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:52:31,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:52:31,596 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-09 06:52:31,597 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 190 places, 255 transitions, 1680 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:31,598 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:31,598 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-09 06:52:31,598 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:31,991 INFO L124 PetriNetUnfolderBase]: 269/1188 cut-off events. [2024-11-09 06:52:31,991 INFO L125 PetriNetUnfolderBase]: For 1759/1794 co-relation queries the response was YES. [2024-11-09 06:52:31,996 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3584 conditions, 1188 events. 269/1188 cut-off events. For 1759/1794 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 7971 event pairs, 14 based on Foata normal form. 8/1193 useless extension candidates. Maximal degree in co-relation 3545. Up to 185 conditions per place. [2024-11-09 06:52:31,998 INFO L140 encePairwiseOnDemand]: 94/111 looper letters, 26 selfloop transitions, 11 changer transitions 12/261 dead transitions. [2024-11-09 06:52:31,999 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 201 places, 261 transitions, 1779 flow [2024-11-09 06:52:31,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 06:52:31,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-09 06:52:32,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1115 transitions. [2024-11-09 06:52:32,001 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7726957726957727 [2024-11-09 06:52:32,001 INFO L175 Difference]: Start difference. First operand has 190 places, 255 transitions, 1680 flow. Second operand 13 states and 1115 transitions. [2024-11-09 06:52:32,001 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 201 places, 261 transitions, 1779 flow [2024-11-09 06:52:32,014 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 261 transitions, 1732 flow, removed 4 selfloop flow, removed 13 redundant places. [2024-11-09 06:52:32,017 INFO L231 Difference]: Finished difference. Result has 188 places, 241 transitions, 1545 flow [2024-11-09 06:52:32,017 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1576, PETRI_DIFFERENCE_MINUEND_PLACES=176, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=249, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=238, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1545, PETRI_PLACES=188, PETRI_TRANSITIONS=241} [2024-11-09 06:52:32,018 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 74 predicate places. [2024-11-09 06:52:32,018 INFO L471 AbstractCegarLoop]: Abstraction has has 188 places, 241 transitions, 1545 flow [2024-11-09 06:52:32,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:32,019 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:32,019 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] [2024-11-09 06:52:32,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-09 06:52:32,020 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-09 06:52:32,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:32,020 INFO L85 PathProgramCache]: Analyzing trace with hash 1676344540, now seen corresponding path program 18 times [2024-11-09 06:52:32,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:32,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752604341] [2024-11-09 06:52:32,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:32,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:32,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:32,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:52:32,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:32,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752604341] [2024-11-09 06:52:32,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752604341] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:32,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:32,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-09 06:52:32,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928232276] [2024-11-09 06:52:32,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:32,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:52:32,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:32,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:52:32,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:52:32,956 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-09 06:52:32,957 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 241 transitions, 1545 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:32,957 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:32,957 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-09 06:52:32,957 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:33,297 INFO L124 PetriNetUnfolderBase]: 269/1200 cut-off events. [2024-11-09 06:52:33,297 INFO L125 PetriNetUnfolderBase]: For 1747/1780 co-relation queries the response was YES. [2024-11-09 06:52:33,301 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3589 conditions, 1200 events. 269/1200 cut-off events. For 1747/1780 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 8090 event pairs, 18 based on Foata normal form. 6/1202 useless extension candidates. Maximal degree in co-relation 3552. Up to 206 conditions per place. [2024-11-09 06:52:33,304 INFO L140 encePairwiseOnDemand]: 92/111 looper letters, 27 selfloop transitions, 15 changer transitions 14/268 dead transitions. [2024-11-09 06:52:33,304 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 187 places, 268 transitions, 1813 flow [2024-11-09 06:52:33,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 06:52:33,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-09 06:52:33,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1123 transitions. [2024-11-09 06:52:33,306 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7782397782397782 [2024-11-09 06:52:33,306 INFO L175 Difference]: Start difference. First operand has 188 places, 241 transitions, 1545 flow. Second operand 13 states and 1123 transitions. [2024-11-09 06:52:33,306 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 187 places, 268 transitions, 1813 flow [2024-11-09 06:52:33,317 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 268 transitions, 1678 flow, removed 4 selfloop flow, removed 16 redundant places. [2024-11-09 06:52:33,320 INFO L231 Difference]: Finished difference. Result has 175 places, 241 transitions, 1535 flow [2024-11-09 06:52:33,320 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1494, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=241, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=226, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1535, PETRI_PLACES=175, PETRI_TRANSITIONS=241} [2024-11-09 06:52:33,321 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 61 predicate places. [2024-11-09 06:52:33,321 INFO L471 AbstractCegarLoop]: Abstraction has has 175 places, 241 transitions, 1535 flow [2024-11-09 06:52:33,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:33,321 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:33,321 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] [2024-11-09 06:52:33,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-09 06:52:33,322 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-09 06:52:33,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:33,322 INFO L85 PathProgramCache]: Analyzing trace with hash 46539744, now seen corresponding path program 19 times [2024-11-09 06:52:33,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:33,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698100194] [2024-11-09 06:52:33,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:33,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:33,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:33,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:52:33,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:33,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698100194] [2024-11-09 06:52:33,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698100194] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:33,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:33,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-09 06:52:33,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586664543] [2024-11-09 06:52:33,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:33,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:52:33,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:33,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:52:33,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:52:34,370 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-09 06:52:34,371 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 175 places, 241 transitions, 1535 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:34,372 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:34,372 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-09 06:52:34,372 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:34,844 INFO L124 PetriNetUnfolderBase]: 521/1941 cut-off events. [2024-11-09 06:52:34,845 INFO L125 PetriNetUnfolderBase]: For 2887/2950 co-relation queries the response was YES. [2024-11-09 06:52:34,851 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5887 conditions, 1941 events. 521/1941 cut-off events. For 2887/2950 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 14945 event pairs, 21 based on Foata normal form. 11/1945 useless extension candidates. Maximal degree in co-relation 5852. Up to 343 conditions per place. [2024-11-09 06:52:34,856 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 28 selfloop transitions, 20 changer transitions 2/262 dead transitions. [2024-11-09 06:52:34,856 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 262 transitions, 1730 flow [2024-11-09 06:52:34,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 06:52:34,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-09 06:52:34,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1117 transitions. [2024-11-09 06:52:34,858 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.774081774081774 [2024-11-09 06:52:34,858 INFO L175 Difference]: Start difference. First operand has 175 places, 241 transitions, 1535 flow. Second operand 13 states and 1117 transitions. [2024-11-09 06:52:34,858 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 184 places, 262 transitions, 1730 flow [2024-11-09 06:52:34,875 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 262 transitions, 1670 flow, removed 4 selfloop flow, removed 11 redundant places. [2024-11-09 06:52:34,878 INFO L231 Difference]: Finished difference. Result has 177 places, 247 transitions, 1594 flow [2024-11-09 06:52:34,878 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1502, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=241, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=222, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1594, PETRI_PLACES=177, PETRI_TRANSITIONS=247} [2024-11-09 06:52:34,878 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 63 predicate places. [2024-11-09 06:52:34,878 INFO L471 AbstractCegarLoop]: Abstraction has has 177 places, 247 transitions, 1594 flow [2024-11-09 06:52:34,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:34,879 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:34,879 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] [2024-11-09 06:52:34,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-09 06:52:34,879 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-09 06:52:34,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:34,880 INFO L85 PathProgramCache]: Analyzing trace with hash 580895194, now seen corresponding path program 20 times [2024-11-09 06:52:34,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:34,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962684188] [2024-11-09 06:52:34,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:34,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:34,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:35,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:52:35,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:35,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962684188] [2024-11-09 06:52:35,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962684188] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:35,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:35,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-09 06:52:35,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931173394] [2024-11-09 06:52:35,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:35,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:52:35,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:35,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:52:35,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:52:35,822 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-09 06:52:35,823 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 177 places, 247 transitions, 1594 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:35,824 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:35,824 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-09 06:52:35,824 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:36,399 INFO L124 PetriNetUnfolderBase]: 785/2863 cut-off events. [2024-11-09 06:52:36,400 INFO L125 PetriNetUnfolderBase]: For 4698/4804 co-relation queries the response was YES. [2024-11-09 06:52:36,412 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8915 conditions, 2863 events. 785/2863 cut-off events. For 4698/4804 co-relation queries the response was YES. Maximal size of possible extension queue 180. Compared 24442 event pairs, 36 based on Foata normal form. 14/2865 useless extension candidates. Maximal degree in co-relation 8879. Up to 539 conditions per place. [2024-11-09 06:52:36,419 INFO L140 encePairwiseOnDemand]: 91/111 looper letters, 36 selfloop transitions, 20 changer transitions 5/273 dead transitions. [2024-11-09 06:52:36,419 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 188 places, 273 transitions, 1847 flow [2024-11-09 06:52:36,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 06:52:36,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-09 06:52:36,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1121 transitions. [2024-11-09 06:52:36,421 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7768537768537769 [2024-11-09 06:52:36,421 INFO L175 Difference]: Start difference. First operand has 177 places, 247 transitions, 1594 flow. Second operand 13 states and 1121 transitions. [2024-11-09 06:52:36,422 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 188 places, 273 transitions, 1847 flow [2024-11-09 06:52:36,448 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 179 places, 273 transitions, 1797 flow, removed 2 selfloop flow, removed 9 redundant places. [2024-11-09 06:52:36,451 INFO L231 Difference]: Finished difference. Result has 184 places, 253 transitions, 1668 flow [2024-11-09 06:52:36,451 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1566, PETRI_DIFFERENCE_MINUEND_PLACES=167, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=247, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=228, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1668, PETRI_PLACES=184, PETRI_TRANSITIONS=253} [2024-11-09 06:52:36,451 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 70 predicate places. [2024-11-09 06:52:36,452 INFO L471 AbstractCegarLoop]: Abstraction has has 184 places, 253 transitions, 1668 flow [2024-11-09 06:52:36,452 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:36,452 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:36,452 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] [2024-11-09 06:52:36,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-09 06:52:36,453 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-09 06:52:36,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:36,453 INFO L85 PathProgramCache]: Analyzing trace with hash -726906812, now seen corresponding path program 21 times [2024-11-09 06:52:36,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:36,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706954179] [2024-11-09 06:52:36,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:36,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:36,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:36,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:52:36,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:36,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706954179] [2024-11-09 06:52:36,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706954179] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:36,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:36,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-09 06:52:36,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900131108] [2024-11-09 06:52:36,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:36,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:52:36,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:36,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:52:36,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:52:37,229 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-09 06:52:37,230 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 184 places, 253 transitions, 1668 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:37,230 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:37,230 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-09 06:52:37,230 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:37,763 INFO L124 PetriNetUnfolderBase]: 1050/3695 cut-off events. [2024-11-09 06:52:37,763 INFO L125 PetriNetUnfolderBase]: For 6771/6916 co-relation queries the response was YES. [2024-11-09 06:52:37,776 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11746 conditions, 3695 events. 1050/3695 cut-off events. For 6771/6916 co-relation queries the response was YES. Maximal size of possible extension queue 238. Compared 33514 event pairs, 46 based on Foata normal form. 18/3698 useless extension candidates. Maximal degree in co-relation 11706. Up to 695 conditions per place. [2024-11-09 06:52:37,785 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 34 selfloop transitions, 25 changer transitions 3/274 dead transitions. [2024-11-09 06:52:37,785 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 194 places, 274 transitions, 1930 flow [2024-11-09 06:52:37,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 06:52:37,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-09 06:52:37,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1121 transitions. [2024-11-09 06:52:37,787 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7768537768537769 [2024-11-09 06:52:37,787 INFO L175 Difference]: Start difference. First operand has 184 places, 253 transitions, 1668 flow. Second operand 13 states and 1121 transitions. [2024-11-09 06:52:37,787 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 194 places, 274 transitions, 1930 flow [2024-11-09 06:52:37,815 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 274 transitions, 1882 flow, removed 6 selfloop flow, removed 9 redundant places. [2024-11-09 06:52:37,818 INFO L231 Difference]: Finished difference. Result has 190 places, 260 transitions, 1767 flow [2024-11-09 06:52:37,818 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1634, PETRI_DIFFERENCE_MINUEND_PLACES=173, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=253, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=229, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1767, PETRI_PLACES=190, PETRI_TRANSITIONS=260} [2024-11-09 06:52:37,819 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 76 predicate places. [2024-11-09 06:52:37,819 INFO L471 AbstractCegarLoop]: Abstraction has has 190 places, 260 transitions, 1767 flow [2024-11-09 06:52:37,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:37,819 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:37,819 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] [2024-11-09 06:52:37,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-09 06:52:37,820 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-09 06:52:37,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:37,821 INFO L85 PathProgramCache]: Analyzing trace with hash 542546844, now seen corresponding path program 22 times [2024-11-09 06:52:37,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:37,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601636910] [2024-11-09 06:52:37,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:37,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:37,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:38,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:52:38,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:38,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601636910] [2024-11-09 06:52:38,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601636910] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:38,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:38,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-09 06:52:38,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054695707] [2024-11-09 06:52:38,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:38,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:52:38,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:38,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:52:38,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:52:38,586 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-09 06:52:38,587 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 190 places, 260 transitions, 1767 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:38,587 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:38,587 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-09 06:52:38,587 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:39,167 INFO L124 PetriNetUnfolderBase]: 1319/4585 cut-off events. [2024-11-09 06:52:39,167 INFO L125 PetriNetUnfolderBase]: For 9308/9510 co-relation queries the response was YES. [2024-11-09 06:52:39,186 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14904 conditions, 4585 events. 1319/4585 cut-off events. For 9308/9510 co-relation queries the response was YES. Maximal size of possible extension queue 297. Compared 43603 event pairs, 68 based on Foata normal form. 19/4585 useless extension candidates. Maximal degree in co-relation 14861. Up to 865 conditions per place. [2024-11-09 06:52:39,196 INFO L140 encePairwiseOnDemand]: 91/111 looper letters, 45 selfloop transitions, 25 changer transitions 4/286 dead transitions. [2024-11-09 06:52:39,196 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 201 places, 286 transitions, 2091 flow [2024-11-09 06:52:39,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 06:52:39,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-09 06:52:39,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1127 transitions. [2024-11-09 06:52:39,198 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.781011781011781 [2024-11-09 06:52:39,198 INFO L175 Difference]: Start difference. First operand has 190 places, 260 transitions, 1767 flow. Second operand 13 states and 1127 transitions. [2024-11-09 06:52:39,198 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 201 places, 286 transitions, 2091 flow [2024-11-09 06:52:39,239 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 286 transitions, 2036 flow, removed 8 selfloop flow, removed 8 redundant places. [2024-11-09 06:52:39,242 INFO L231 Difference]: Finished difference. Result has 199 places, 267 transitions, 1874 flow [2024-11-09 06:52:39,242 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1724, PETRI_DIFFERENCE_MINUEND_PLACES=181, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=260, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=236, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1874, PETRI_PLACES=199, PETRI_TRANSITIONS=267} [2024-11-09 06:52:39,243 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 85 predicate places. [2024-11-09 06:52:39,243 INFO L471 AbstractCegarLoop]: Abstraction has has 199 places, 267 transitions, 1874 flow [2024-11-09 06:52:39,243 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:39,243 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:39,244 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] [2024-11-09 06:52:39,244 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-09 06:52:39,244 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-09 06:52:39,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:39,244 INFO L85 PathProgramCache]: Analyzing trace with hash -600335548, now seen corresponding path program 23 times [2024-11-09 06:52:39,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:39,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466802794] [2024-11-09 06:52:39,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:39,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:39,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:39,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:52:39,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:39,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466802794] [2024-11-09 06:52:39,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466802794] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:39,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:39,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-09 06:52:39,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635846064] [2024-11-09 06:52:39,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:39,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:52:39,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:39,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:52:39,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:52:39,930 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-09 06:52:39,931 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 199 places, 267 transitions, 1874 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:39,931 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:39,931 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-09 06:52:39,931 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:40,609 INFO L124 PetriNetUnfolderBase]: 1319/4653 cut-off events. [2024-11-09 06:52:40,609 INFO L125 PetriNetUnfolderBase]: For 10058/10258 co-relation queries the response was YES. [2024-11-09 06:52:40,631 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15255 conditions, 4653 events. 1319/4653 cut-off events. For 10058/10258 co-relation queries the response was YES. Maximal size of possible extension queue 297. Compared 44369 event pairs, 60 based on Foata normal form. 28/4661 useless extension candidates. Maximal degree in co-relation 15207. Up to 901 conditions per place. [2024-11-09 06:52:40,642 INFO L140 encePairwiseOnDemand]: 91/111 looper letters, 44 selfloop transitions, 29 changer transitions 6/291 dead transitions. [2024-11-09 06:52:40,642 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 291 transitions, 2209 flow [2024-11-09 06:52:40,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 06:52:40,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-09 06:52:40,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1120 transitions. [2024-11-09 06:52:40,643 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7761607761607762 [2024-11-09 06:52:40,643 INFO L175 Difference]: Start difference. First operand has 199 places, 267 transitions, 1874 flow. Second operand 13 states and 1120 transitions. [2024-11-09 06:52:40,643 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 291 transitions, 2209 flow [2024-11-09 06:52:40,690 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 291 transitions, 2144 flow, removed 19 selfloop flow, removed 8 redundant places. [2024-11-09 06:52:40,693 INFO L231 Difference]: Finished difference. Result has 206 places, 269 transitions, 1935 flow [2024-11-09 06:52:40,693 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1824, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=267, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=238, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1935, PETRI_PLACES=206, PETRI_TRANSITIONS=269} [2024-11-09 06:52:40,693 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 92 predicate places. [2024-11-09 06:52:40,693 INFO L471 AbstractCegarLoop]: Abstraction has has 206 places, 269 transitions, 1935 flow [2024-11-09 06:52:40,694 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:40,694 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:40,694 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] [2024-11-09 06:52:40,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-09 06:52:40,694 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-09 06:52:40,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:40,695 INFO L85 PathProgramCache]: Analyzing trace with hash -1085547526, now seen corresponding path program 24 times [2024-11-09 06:52:40,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:40,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587631725] [2024-11-09 06:52:40,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:40,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:40,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:40,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:52:40,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:40,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587631725] [2024-11-09 06:52:40,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587631725] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:40,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:40,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-09 06:52:40,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927588547] [2024-11-09 06:52:40,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:40,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:52:40,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:40,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:52:40,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:52:41,359 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-09 06:52:41,360 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 206 places, 269 transitions, 1935 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:41,360 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:41,360 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-09 06:52:41,360 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:41,934 INFO L124 PetriNetUnfolderBase]: 1317/4618 cut-off events. [2024-11-09 06:52:41,934 INFO L125 PetriNetUnfolderBase]: For 10586/10770 co-relation queries the response was YES. [2024-11-09 06:52:41,956 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15293 conditions, 4618 events. 1317/4618 cut-off events. For 10586/10770 co-relation queries the response was YES. Maximal size of possible extension queue 298. Compared 44021 event pairs, 64 based on Foata normal form. 20/4618 useless extension candidates. Maximal degree in co-relation 15242. Up to 875 conditions per place. [2024-11-09 06:52:41,967 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 41 selfloop transitions, 27 changer transitions 1/281 dead transitions. [2024-11-09 06:52:41,967 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 216 places, 281 transitions, 2183 flow [2024-11-09 06:52:41,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 06:52:41,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-09 06:52:41,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1122 transitions. [2024-11-09 06:52:41,969 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7775467775467776 [2024-11-09 06:52:41,969 INFO L175 Difference]: Start difference. First operand has 206 places, 269 transitions, 1935 flow. Second operand 13 states and 1122 transitions. [2024-11-09 06:52:41,969 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 216 places, 281 transitions, 2183 flow [2024-11-09 06:52:42,016 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 281 transitions, 2066 flow, removed 25 selfloop flow, removed 12 redundant places. [2024-11-09 06:52:42,019 INFO L231 Difference]: Finished difference. Result has 209 places, 273 transitions, 1961 flow [2024-11-09 06:52:42,019 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1846, PETRI_DIFFERENCE_MINUEND_PLACES=192, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=269, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=242, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1961, PETRI_PLACES=209, PETRI_TRANSITIONS=273} [2024-11-09 06:52:42,019 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 95 predicate places. [2024-11-09 06:52:42,020 INFO L471 AbstractCegarLoop]: Abstraction has has 209 places, 273 transitions, 1961 flow [2024-11-09 06:52:42,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:42,020 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:42,020 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] [2024-11-09 06:52:42,020 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-09 06:52:42,020 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-09 06:52:42,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:42,021 INFO L85 PathProgramCache]: Analyzing trace with hash 1807623702, now seen corresponding path program 25 times [2024-11-09 06:52:42,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:42,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090132825] [2024-11-09 06:52:42,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:42,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:42,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:42,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:52:42,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:42,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090132825] [2024-11-09 06:52:42,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090132825] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:42,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:42,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-09 06:52:42,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657239724] [2024-11-09 06:52:42,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:42,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:52:42,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:42,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:52:42,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:52:42,602 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-09 06:52:42,603 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 273 transitions, 1961 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:42,604 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:42,604 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-09 06:52:42,604 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:43,263 INFO L124 PetriNetUnfolderBase]: 1580/5501 cut-off events. [2024-11-09 06:52:43,263 INFO L125 PetriNetUnfolderBase]: For 12549/12746 co-relation queries the response was YES. [2024-11-09 06:52:43,292 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18193 conditions, 5501 events. 1580/5501 cut-off events. For 12549/12746 co-relation queries the response was YES. Maximal size of possible extension queue 356. Compared 54514 event pairs, 73 based on Foata normal form. 16/5493 useless extension candidates. Maximal degree in co-relation 18142. Up to 1058 conditions per place. [2024-11-09 06:52:43,306 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 47 selfloop transitions, 28 changer transitions 4/291 dead transitions. [2024-11-09 06:52:43,306 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 220 places, 291 transitions, 2292 flow [2024-11-09 06:52:43,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 06:52:43,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-09 06:52:43,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1123 transitions. [2024-11-09 06:52:43,307 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7782397782397782 [2024-11-09 06:52:43,307 INFO L175 Difference]: Start difference. First operand has 209 places, 273 transitions, 1961 flow. Second operand 13 states and 1123 transitions. [2024-11-09 06:52:43,308 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 220 places, 291 transitions, 2292 flow [2024-11-09 06:52:43,375 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 212 places, 291 transitions, 2196 flow, removed 30 selfloop flow, removed 8 redundant places. [2024-11-09 06:52:43,378 INFO L231 Difference]: Finished difference. Result has 216 places, 279 transitions, 2046 flow [2024-11-09 06:52:43,378 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1902, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=273, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=246, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2046, PETRI_PLACES=216, PETRI_TRANSITIONS=279} [2024-11-09 06:52:43,378 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 102 predicate places. [2024-11-09 06:52:43,378 INFO L471 AbstractCegarLoop]: Abstraction has has 216 places, 279 transitions, 2046 flow [2024-11-09 06:52:43,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:43,379 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:43,379 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] [2024-11-09 06:52:43,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-09 06:52:43,379 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-09 06:52:43,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:43,380 INFO L85 PathProgramCache]: Analyzing trace with hash 977429834, now seen corresponding path program 26 times [2024-11-09 06:52:43,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:43,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174761807] [2024-11-09 06:52:43,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:43,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:43,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:43,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:52:43,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:43,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174761807] [2024-11-09 06:52:43,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174761807] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:43,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:43,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-09 06:52:43,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95241130] [2024-11-09 06:52:43,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:43,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:52:43,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:43,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:52:43,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:52:43,937 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-09 06:52:43,937 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 216 places, 279 transitions, 2046 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:43,938 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:43,938 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-09 06:52:43,938 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:44,600 INFO L124 PetriNetUnfolderBase]: 1579/5502 cut-off events. [2024-11-09 06:52:44,601 INFO L125 PetriNetUnfolderBase]: For 12656/12862 co-relation queries the response was YES. [2024-11-09 06:52:44,631 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18233 conditions, 5502 events. 1579/5502 cut-off events. For 12656/12862 co-relation queries the response was YES. Maximal size of possible extension queue 356. Compared 54582 event pairs, 75 based on Foata normal form. 21/5499 useless extension candidates. Maximal degree in co-relation 18179. Up to 1054 conditions per place. [2024-11-09 06:52:44,650 INFO L140 encePairwiseOnDemand]: 92/111 looper letters, 45 selfloop transitions, 27 changer transitions 4/288 dead transitions. [2024-11-09 06:52:44,650 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 227 places, 288 transitions, 2274 flow [2024-11-09 06:52:44,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 06:52:44,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-09 06:52:44,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1123 transitions. [2024-11-09 06:52:44,652 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7782397782397782 [2024-11-09 06:52:44,652 INFO L175 Difference]: Start difference. First operand has 216 places, 279 transitions, 2046 flow. Second operand 13 states and 1123 transitions. [2024-11-09 06:52:44,652 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 227 places, 288 transitions, 2274 flow [2024-11-09 06:52:44,722 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 218 places, 288 transitions, 2228 flow, removed 2 selfloop flow, removed 9 redundant places. [2024-11-09 06:52:44,725 INFO L231 Difference]: Finished difference. Result has 221 places, 279 transitions, 2073 flow [2024-11-09 06:52:44,725 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=2004, PETRI_DIFFERENCE_MINUEND_PLACES=206, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=279, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=252, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2073, PETRI_PLACES=221, PETRI_TRANSITIONS=279} [2024-11-09 06:52:44,726 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 107 predicate places. [2024-11-09 06:52:44,726 INFO L471 AbstractCegarLoop]: Abstraction has has 221 places, 279 transitions, 2073 flow [2024-11-09 06:52:44,726 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:44,726 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:44,727 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] [2024-11-09 06:52:44,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-11-09 06:52:44,727 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-09 06:52:44,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:44,727 INFO L85 PathProgramCache]: Analyzing trace with hash 223683764, now seen corresponding path program 27 times [2024-11-09 06:52:44,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:44,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064153070] [2024-11-09 06:52:44,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:44,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:44,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:44,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:52:44,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:44,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064153070] [2024-11-09 06:52:44,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064153070] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:44,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:44,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-09 06:52:44,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761138756] [2024-11-09 06:52:44,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:44,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:52:44,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:44,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:52:44,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:52:45,309 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-09 06:52:45,310 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 221 places, 279 transitions, 2073 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:45,310 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:45,310 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-09 06:52:45,311 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:45,968 INFO L124 PetriNetUnfolderBase]: 1316/4688 cut-off events. [2024-11-09 06:52:45,969 INFO L125 PetriNetUnfolderBase]: For 10892/11056 co-relation queries the response was YES. [2024-11-09 06:52:45,994 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15507 conditions, 4688 events. 1316/4688 cut-off events. For 10892/11056 co-relation queries the response was YES. Maximal size of possible extension queue 298. Compared 44952 event pairs, 64 based on Foata normal form. 13/4681 useless extension candidates. Maximal degree in co-relation 15451. Up to 883 conditions per place. [2024-11-09 06:52:46,008 INFO L140 encePairwiseOnDemand]: 93/111 looper letters, 42 selfloop transitions, 22 changer transitions 10/286 dead transitions. [2024-11-09 06:52:46,008 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 231 places, 286 transitions, 2247 flow [2024-11-09 06:52:46,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 06:52:46,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-09 06:52:46,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1119 transitions. [2024-11-09 06:52:46,009 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7754677754677755 [2024-11-09 06:52:46,009 INFO L175 Difference]: Start difference. First operand has 221 places, 279 transitions, 2073 flow. Second operand 13 states and 1119 transitions. [2024-11-09 06:52:46,010 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 231 places, 286 transitions, 2247 flow [2024-11-09 06:52:46,068 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 219 places, 286 transitions, 2172 flow, removed 8 selfloop flow, removed 12 redundant places. [2024-11-09 06:52:46,071 INFO L231 Difference]: Finished difference. Result has 222 places, 273 transitions, 1972 flow [2024-11-09 06:52:46,071 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1945, PETRI_DIFFERENCE_MINUEND_PLACES=207, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=275, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=253, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1972, PETRI_PLACES=222, PETRI_TRANSITIONS=273} [2024-11-09 06:52:46,071 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 108 predicate places. [2024-11-09 06:52:46,071 INFO L471 AbstractCegarLoop]: Abstraction has has 222 places, 273 transitions, 1972 flow [2024-11-09 06:52:46,072 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:46,072 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:46,072 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] [2024-11-09 06:52:46,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-11-09 06:52:46,072 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-09 06:52:46,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:46,073 INFO L85 PathProgramCache]: Analyzing trace with hash -1599767704, now seen corresponding path program 28 times [2024-11-09 06:52:46,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:46,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851382161] [2024-11-09 06:52:46,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:46,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:46,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:46,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:52:46,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:46,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851382161] [2024-11-09 06:52:46,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851382161] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:46,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:46,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-09 06:52:46,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835926728] [2024-11-09 06:52:46,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:46,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:52:46,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:46,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:52:46,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:52:46,818 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-09 06:52:46,819 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 222 places, 273 transitions, 1972 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:46,819 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:46,819 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-09 06:52:46,820 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:47,451 INFO L124 PetriNetUnfolderBase]: 1314/4632 cut-off events. [2024-11-09 06:52:47,451 INFO L125 PetriNetUnfolderBase]: For 10498/10663 co-relation queries the response was YES. [2024-11-09 06:52:47,475 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15249 conditions, 4632 events. 1314/4632 cut-off events. For 10498/10663 co-relation queries the response was YES. Maximal size of possible extension queue 298. Compared 44209 event pairs, 64 based on Foata normal form. 15/4627 useless extension candidates. Maximal degree in co-relation 15192. Up to 876 conditions per place. [2024-11-09 06:52:47,485 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 39 selfloop transitions, 27 changer transitions 3/281 dead transitions. [2024-11-09 06:52:47,485 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 229 places, 281 transitions, 2192 flow [2024-11-09 06:52:47,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 06:52:47,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-09 06:52:47,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1122 transitions. [2024-11-09 06:52:47,487 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7775467775467776 [2024-11-09 06:52:47,487 INFO L175 Difference]: Start difference. First operand has 222 places, 273 transitions, 1972 flow. Second operand 13 states and 1122 transitions. [2024-11-09 06:52:47,487 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 229 places, 281 transitions, 2192 flow [2024-11-09 06:52:47,535 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 214 places, 281 transitions, 2112 flow, removed 14 selfloop flow, removed 15 redundant places. [2024-11-09 06:52:47,538 INFO L231 Difference]: Finished difference. Result has 218 places, 275 transitions, 2007 flow [2024-11-09 06:52:47,538 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1913, PETRI_DIFFERENCE_MINUEND_PLACES=202, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=273, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=246, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2007, PETRI_PLACES=218, PETRI_TRANSITIONS=275} [2024-11-09 06:52:47,539 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 104 predicate places. [2024-11-09 06:52:47,539 INFO L471 AbstractCegarLoop]: Abstraction has has 218 places, 275 transitions, 2007 flow [2024-11-09 06:52:47,539 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:47,539 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:47,539 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] [2024-11-09 06:52:47,539 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-11-09 06:52:47,540 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-09 06:52:47,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:47,540 INFO L85 PathProgramCache]: Analyzing trace with hash -1316282500, now seen corresponding path program 29 times [2024-11-09 06:52:47,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:47,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189032401] [2024-11-09 06:52:47,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:47,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:47,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:47,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:52:47,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:47,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189032401] [2024-11-09 06:52:47,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189032401] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:47,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:47,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-09 06:52:47,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644605948] [2024-11-09 06:52:47,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:47,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:52:47,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:47,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:52:47,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:52:48,360 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-09 06:52:48,361 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 218 places, 275 transitions, 2007 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:48,362 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:48,362 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-09 06:52:48,362 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:48,946 INFO L124 PetriNetUnfolderBase]: 1050/3844 cut-off events. [2024-11-09 06:52:48,947 INFO L125 PetriNetUnfolderBase]: For 8355/8486 co-relation queries the response was YES. [2024-11-09 06:52:48,969 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12608 conditions, 3844 events. 1050/3844 cut-off events. For 8355/8486 co-relation queries the response was YES. Maximal size of possible extension queue 240. Compared 35241 event pairs, 54 based on Foata normal form. 11/3839 useless extension candidates. Maximal degree in co-relation 12552. Up to 722 conditions per place. [2024-11-09 06:52:48,979 INFO L140 encePairwiseOnDemand]: 93/111 looper letters, 35 selfloop transitions, 19 changer transitions 10/276 dead transitions. [2024-11-09 06:52:48,979 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 229 places, 276 transitions, 2114 flow [2024-11-09 06:52:48,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 06:52:48,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-09 06:52:48,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1118 transitions. [2024-11-09 06:52:48,981 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7747747747747747 [2024-11-09 06:52:48,981 INFO L175 Difference]: Start difference. First operand has 218 places, 275 transitions, 2007 flow. Second operand 13 states and 1118 transitions. [2024-11-09 06:52:48,981 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 229 places, 276 transitions, 2114 flow [2024-11-09 06:52:49,026 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 220 places, 276 transitions, 2063 flow, removed 5 selfloop flow, removed 9 redundant places. [2024-11-09 06:52:49,028 INFO L231 Difference]: Finished difference. Result has 220 places, 265 transitions, 1863 flow [2024-11-09 06:52:49,029 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1900, PETRI_DIFFERENCE_MINUEND_PLACES=208, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=271, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=252, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1863, PETRI_PLACES=220, PETRI_TRANSITIONS=265} [2024-11-09 06:52:49,029 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 106 predicate places. [2024-11-09 06:52:49,029 INFO L471 AbstractCegarLoop]: Abstraction has has 220 places, 265 transitions, 1863 flow [2024-11-09 06:52:49,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:49,030 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:49,030 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] [2024-11-09 06:52:49,030 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-11-09 06:52:49,030 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-09 06:52:49,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:49,030 INFO L85 PathProgramCache]: Analyzing trace with hash -156501844, now seen corresponding path program 30 times [2024-11-09 06:52:49,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:49,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382458584] [2024-11-09 06:52:49,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:49,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:49,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:49,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:52:49,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:49,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382458584] [2024-11-09 06:52:49,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382458584] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:49,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:49,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-09 06:52:49,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174422639] [2024-11-09 06:52:49,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:49,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:52:49,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:49,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:52:49,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:52:49,725 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-09 06:52:49,726 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 265 transitions, 1863 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:49,726 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:49,726 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-09 06:52:49,726 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:50,180 INFO L124 PetriNetUnfolderBase]: 784/2891 cut-off events. [2024-11-09 06:52:50,180 INFO L125 PetriNetUnfolderBase]: For 5790/5897 co-relation queries the response was YES. [2024-11-09 06:52:50,194 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9381 conditions, 2891 events. 784/2891 cut-off events. For 5790/5897 co-relation queries the response was YES. Maximal size of possible extension queue 182. Compared 24936 event pairs, 33 based on Foata normal form. 15/2894 useless extension candidates. Maximal degree in co-relation 9326. Up to 524 conditions per place. [2024-11-09 06:52:50,200 INFO L140 encePairwiseOnDemand]: 93/111 looper letters, 35 selfloop transitions, 20 changer transitions 8/275 dead transitions. [2024-11-09 06:52:50,200 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 222 places, 275 transitions, 2037 flow [2024-11-09 06:52:50,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 06:52:50,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-09 06:52:50,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1111 transitions. [2024-11-09 06:52:50,202 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7699237699237699 [2024-11-09 06:52:50,202 INFO L175 Difference]: Start difference. First operand has 220 places, 265 transitions, 1863 flow. Second operand 13 states and 1111 transitions. [2024-11-09 06:52:50,202 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 222 places, 275 transitions, 2037 flow [2024-11-09 06:52:50,230 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 202 places, 275 transitions, 1930 flow, removed 19 selfloop flow, removed 20 redundant places. [2024-11-09 06:52:50,232 INFO L231 Difference]: Finished difference. Result has 205 places, 259 transitions, 1748 flow [2024-11-09 06:52:50,232 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1726, PETRI_DIFFERENCE_MINUEND_PLACES=190, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=261, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=241, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1748, PETRI_PLACES=205, PETRI_TRANSITIONS=259} [2024-11-09 06:52:50,233 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 91 predicate places. [2024-11-09 06:52:50,233 INFO L471 AbstractCegarLoop]: Abstraction has has 205 places, 259 transitions, 1748 flow [2024-11-09 06:52:50,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:50,233 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:50,233 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] [2024-11-09 06:52:50,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-11-09 06:52:50,234 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-09 06:52:50,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:50,234 INFO L85 PathProgramCache]: Analyzing trace with hash 1605248558, now seen corresponding path program 31 times [2024-11-09 06:52:50,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:50,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108919180] [2024-11-09 06:52:50,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:50,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:50,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:50,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:52:50,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:50,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108919180] [2024-11-09 06:52:50,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108919180] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:50,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:50,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-09 06:52:50,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6761704] [2024-11-09 06:52:50,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:50,431 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:52:50,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:50,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:52:50,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:52:50,882 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-09 06:52:50,883 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 259 transitions, 1748 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:50,883 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:50,883 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-09 06:52:50,884 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:51,340 INFO L124 PetriNetUnfolderBase]: 783/2886 cut-off events. [2024-11-09 06:52:51,341 INFO L125 PetriNetUnfolderBase]: For 5212/5313 co-relation queries the response was YES. [2024-11-09 06:52:51,354 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9211 conditions, 2886 events. 783/2886 cut-off events. For 5212/5313 co-relation queries the response was YES. Maximal size of possible extension queue 182. Compared 24865 event pairs, 37 based on Foata normal form. 11/2885 useless extension candidates. Maximal degree in co-relation 9163. Up to 544 conditions per place. [2024-11-09 06:52:51,362 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 28 selfloop transitions, 24 changer transitions 4/268 dead transitions. [2024-11-09 06:52:51,362 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 212 places, 268 transitions, 1917 flow [2024-11-09 06:52:51,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 06:52:51,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-09 06:52:51,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1114 transitions. [2024-11-09 06:52:51,363 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.772002772002772 [2024-11-09 06:52:51,363 INFO L175 Difference]: Start difference. First operand has 205 places, 259 transitions, 1748 flow. Second operand 13 states and 1114 transitions. [2024-11-09 06:52:51,363 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 212 places, 268 transitions, 1917 flow [2024-11-09 06:52:51,391 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 196 places, 268 transitions, 1840 flow, removed 8 selfloop flow, removed 16 redundant places. [2024-11-09 06:52:51,393 INFO L231 Difference]: Finished difference. Result has 198 places, 259 transitions, 1734 flow [2024-11-09 06:52:51,393 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1679, PETRI_DIFFERENCE_MINUEND_PLACES=184, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=259, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=235, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1734, PETRI_PLACES=198, PETRI_TRANSITIONS=259} [2024-11-09 06:52:51,394 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 84 predicate places. [2024-11-09 06:52:51,394 INFO L471 AbstractCegarLoop]: Abstraction has has 198 places, 259 transitions, 1734 flow [2024-11-09 06:52:51,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:51,394 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:51,394 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] [2024-11-09 06:52:51,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2024-11-09 06:52:51,395 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-09 06:52:51,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:51,395 INFO L85 PathProgramCache]: Analyzing trace with hash -1149947470, now seen corresponding path program 10 times [2024-11-09 06:52:51,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:51,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726804606] [2024-11-09 06:52:51,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:51,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:51,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:51,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:52:51,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:51,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726804606] [2024-11-09 06:52:51,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726804606] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:51,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:51,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-09 06:52:51,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700360430] [2024-11-09 06:52:51,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:51,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:52:51,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:51,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:52:51,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:52:52,022 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-09 06:52:52,023 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 259 transitions, 1734 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:52,023 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:52,023 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-09 06:52:52,023 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:52,470 INFO L124 PetriNetUnfolderBase]: 782/2923 cut-off events. [2024-11-09 06:52:52,471 INFO L125 PetriNetUnfolderBase]: For 5265/5366 co-relation queries the response was YES. [2024-11-09 06:52:52,481 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9276 conditions, 2923 events. 782/2923 cut-off events. For 5265/5366 co-relation queries the response was YES. Maximal size of possible extension queue 182. Compared 25298 event pairs, 38 based on Foata normal form. 10/2921 useless extension candidates. Maximal degree in co-relation 9232. Up to 550 conditions per place. [2024-11-09 06:52:52,487 INFO L140 encePairwiseOnDemand]: 92/111 looper letters, 29 selfloop transitions, 21 changer transitions 6/268 dead transitions. [2024-11-09 06:52:52,487 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 268 transitions, 1901 flow [2024-11-09 06:52:52,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 06:52:52,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-09 06:52:52,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1115 transitions. [2024-11-09 06:52:52,488 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7726957726957727 [2024-11-09 06:52:52,488 INFO L175 Difference]: Start difference. First operand has 198 places, 259 transitions, 1734 flow. Second operand 13 states and 1115 transitions. [2024-11-09 06:52:52,488 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 268 transitions, 1901 flow [2024-11-09 06:52:52,512 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 268 transitions, 1852 flow, removed 2 selfloop flow, removed 11 redundant places. [2024-11-09 06:52:52,514 INFO L231 Difference]: Finished difference. Result has 201 places, 259 transitions, 1745 flow [2024-11-09 06:52:52,515 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1690, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=259, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=238, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1745, PETRI_PLACES=201, PETRI_TRANSITIONS=259} [2024-11-09 06:52:52,515 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 87 predicate places. [2024-11-09 06:52:52,515 INFO L471 AbstractCegarLoop]: Abstraction has has 201 places, 259 transitions, 1745 flow [2024-11-09 06:52:52,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:52,515 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:52,516 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] [2024-11-09 06:52:52,516 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2024-11-09 06:52:52,516 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-09 06:52:52,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:52,516 INFO L85 PathProgramCache]: Analyzing trace with hash -1080939058, now seen corresponding path program 11 times [2024-11-09 06:52:52,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:52,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418473298] [2024-11-09 06:52:52,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:52,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:52,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:52,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:52:52,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:52,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418473298] [2024-11-09 06:52:52,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418473298] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:52,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:52,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-09 06:52:52,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583806184] [2024-11-09 06:52:52,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:52,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:52:52,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:52,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:52:52,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:52:53,137 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-09 06:52:53,138 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 259 transitions, 1745 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:53,139 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:53,139 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-09 06:52:53,139 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:53,496 INFO L124 PetriNetUnfolderBase]: 518/2084 cut-off events. [2024-11-09 06:52:53,496 INFO L125 PetriNetUnfolderBase]: For 3383/3448 co-relation queries the response was YES. [2024-11-09 06:52:53,503 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6506 conditions, 2084 events. 518/2084 cut-off events. For 3383/3448 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 16454 event pairs, 27 based on Foata normal form. 7/2083 useless extension candidates. Maximal degree in co-relation 6460. Up to 382 conditions per place. [2024-11-09 06:52:53,507 INFO L140 encePairwiseOnDemand]: 93/111 looper letters, 22 selfloop transitions, 15 changer transitions 13/262 dead transitions. [2024-11-09 06:52:53,507 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 262 transitions, 1847 flow [2024-11-09 06:52:53,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 06:52:53,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-09 06:52:53,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1110 transitions. [2024-11-09 06:52:53,508 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7692307692307693 [2024-11-09 06:52:53,508 INFO L175 Difference]: Start difference. First operand has 201 places, 259 transitions, 1745 flow. Second operand 13 states and 1110 transitions. [2024-11-09 06:52:53,508 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 211 places, 262 transitions, 1847 flow [2024-11-09 06:52:53,525 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 200 places, 262 transitions, 1798 flow, removed 5 selfloop flow, removed 11 redundant places. [2024-11-09 06:52:53,528 INFO L231 Difference]: Finished difference. Result has 200 places, 248 transitions, 1622 flow [2024-11-09 06:52:53,528 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1650, PETRI_DIFFERENCE_MINUEND_PLACES=188, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=254, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=239, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1622, PETRI_PLACES=200, PETRI_TRANSITIONS=248} [2024-11-09 06:52:53,528 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 86 predicate places. [2024-11-09 06:52:53,528 INFO L471 AbstractCegarLoop]: Abstraction has has 200 places, 248 transitions, 1622 flow [2024-11-09 06:52:53,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:53,529 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:53,529 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] [2024-11-09 06:52:53,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2024-11-09 06:52:53,529 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-09 06:52:53,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:53,530 INFO L85 PathProgramCache]: Analyzing trace with hash -605094856, now seen corresponding path program 32 times [2024-11-09 06:52:53,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:53,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952090539] [2024-11-09 06:52:53,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:53,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:53,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:53,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:52:53,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:53,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952090539] [2024-11-09 06:52:53,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952090539] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:53,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:53,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-09 06:52:53,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318932290] [2024-11-09 06:52:53,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:53,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:52:53,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:53,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:52:53,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:52:54,310 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-09 06:52:54,311 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 248 transitions, 1622 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:54,311 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:54,311 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-09 06:52:54,312 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:54,661 INFO L124 PetriNetUnfolderBase]: 508/1918 cut-off events. [2024-11-09 06:52:54,662 INFO L125 PetriNetUnfolderBase]: For 3086/3152 co-relation queries the response was YES. [2024-11-09 06:52:54,668 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5968 conditions, 1918 events. 508/1918 cut-off events. For 3086/3152 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 14891 event pairs, 21 based on Foata normal form. 12/1922 useless extension candidates. Maximal degree in co-relation 5923. Up to 356 conditions per place. [2024-11-09 06:52:54,672 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 23 selfloop transitions, 22 changer transitions 2/259 dead transitions. [2024-11-09 06:52:54,672 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 201 places, 259 transitions, 1774 flow [2024-11-09 06:52:54,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 06:52:54,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-09 06:52:54,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1114 transitions. [2024-11-09 06:52:54,673 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.772002772002772 [2024-11-09 06:52:54,673 INFO L175 Difference]: Start difference. First operand has 200 places, 248 transitions, 1622 flow. Second operand 13 states and 1114 transitions. [2024-11-09 06:52:54,673 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 201 places, 259 transitions, 1774 flow [2024-11-09 06:52:54,691 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 259 transitions, 1691 flow, removed 10 selfloop flow, removed 17 redundant places. [2024-11-09 06:52:54,694 INFO L231 Difference]: Finished difference. Result has 188 places, 252 transitions, 1645 flow [2024-11-09 06:52:54,694 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1559, PETRI_DIFFERENCE_MINUEND_PLACES=172, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=248, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=226, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1645, PETRI_PLACES=188, PETRI_TRANSITIONS=252} [2024-11-09 06:52:54,695 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 74 predicate places. [2024-11-09 06:52:54,695 INFO L471 AbstractCegarLoop]: Abstraction has has 188 places, 252 transitions, 1645 flow [2024-11-09 06:52:54,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:54,695 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:54,695 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] [2024-11-09 06:52:54,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2024-11-09 06:52:54,696 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-09 06:52:54,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:54,696 INFO L85 PathProgramCache]: Analyzing trace with hash 1839422912, now seen corresponding path program 33 times [2024-11-09 06:52:54,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:54,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550161695] [2024-11-09 06:52:54,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:54,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:54,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:54,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:52:54,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:54,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550161695] [2024-11-09 06:52:54,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550161695] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:54,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:54,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-09 06:52:54,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460950325] [2024-11-09 06:52:54,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:54,915 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:52:54,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:54,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:52:54,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:52:55,503 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-09 06:52:55,504 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 252 transitions, 1645 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:55,504 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:55,504 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-09 06:52:55,504 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:55,780 INFO L124 PetriNetUnfolderBase]: 247/1097 cut-off events. [2024-11-09 06:52:55,780 INFO L125 PetriNetUnfolderBase]: For 1613/1648 co-relation queries the response was YES. [2024-11-09 06:52:55,784 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3287 conditions, 1097 events. 247/1097 cut-off events. For 1613/1648 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 7211 event pairs, 11 based on Foata normal form. 6/1099 useless extension candidates. Maximal degree in co-relation 3245. Up to 194 conditions per place. [2024-11-09 06:52:55,786 INFO L140 encePairwiseOnDemand]: 94/111 looper letters, 21 selfloop transitions, 12 changer transitions 9/254 dead transitions. [2024-11-09 06:52:55,786 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 200 places, 254 transitions, 1722 flow [2024-11-09 06:52:55,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 06:52:55,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-09 06:52:55,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1108 transitions. [2024-11-09 06:52:55,788 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7678447678447679 [2024-11-09 06:52:55,788 INFO L175 Difference]: Start difference. First operand has 188 places, 252 transitions, 1645 flow. Second operand 13 states and 1108 transitions. [2024-11-09 06:52:55,788 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 200 places, 254 transitions, 1722 flow [2024-11-09 06:52:55,798 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 192 places, 254 transitions, 1687 flow, removed 4 selfloop flow, removed 8 redundant places. [2024-11-09 06:52:55,801 INFO L231 Difference]: Finished difference. Result has 192 places, 241 transitions, 1545 flow [2024-11-09 06:52:55,801 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1567, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=247, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=235, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1545, PETRI_PLACES=192, PETRI_TRANSITIONS=241} [2024-11-09 06:52:55,801 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 78 predicate places. [2024-11-09 06:52:55,801 INFO L471 AbstractCegarLoop]: Abstraction has has 192 places, 241 transitions, 1545 flow [2024-11-09 06:52:55,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:55,802 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:55,802 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] [2024-11-09 06:52:55,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2024-11-09 06:52:55,802 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-09 06:52:55,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:55,803 INFO L85 PathProgramCache]: Analyzing trace with hash -709888218, now seen corresponding path program 34 times [2024-11-09 06:52:55,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:55,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611845033] [2024-11-09 06:52:55,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:55,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:55,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:56,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:52:56,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:56,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611845033] [2024-11-09 06:52:56,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611845033] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:56,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:56,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-09 06:52:56,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628212790] [2024-11-09 06:52:56,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:56,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:52:56,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:56,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:52:56,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:52:56,610 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-09 06:52:56,611 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 192 places, 241 transitions, 1545 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:56,611 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:56,611 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-09 06:52:56,611 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:56,897 INFO L124 PetriNetUnfolderBase]: 246/1035 cut-off events. [2024-11-09 06:52:56,897 INFO L125 PetriNetUnfolderBase]: For 1520/1554 co-relation queries the response was YES. [2024-11-09 06:52:56,902 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3075 conditions, 1035 events. 246/1035 cut-off events. For 1520/1554 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 6692 event pairs, 12 based on Foata normal form. 8/1039 useless extension candidates. Maximal degree in co-relation 3033. Up to 176 conditions per place. [2024-11-09 06:52:56,905 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 14 selfloop transitions, 19 changer transitions 2/247 dead transitions. [2024-11-09 06:52:56,905 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 194 places, 247 transitions, 1657 flow [2024-11-09 06:52:56,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 06:52:56,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-09 06:52:56,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1102 transitions. [2024-11-09 06:52:56,906 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7636867636867637 [2024-11-09 06:52:56,906 INFO L175 Difference]: Start difference. First operand has 192 places, 241 transitions, 1545 flow. Second operand 13 states and 1102 transitions. [2024-11-09 06:52:56,906 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 194 places, 247 transitions, 1657 flow [2024-11-09 06:52:56,915 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 177 places, 247 transitions, 1585 flow, removed 5 selfloop flow, removed 17 redundant places. [2024-11-09 06:52:56,917 INFO L231 Difference]: Finished difference. Result has 179 places, 241 transitions, 1542 flow [2024-11-09 06:52:56,917 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1497, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=241, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=222, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1542, PETRI_PLACES=179, PETRI_TRANSITIONS=241} [2024-11-09 06:52:56,918 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 65 predicate places. [2024-11-09 06:52:56,918 INFO L471 AbstractCegarLoop]: Abstraction has has 179 places, 241 transitions, 1542 flow [2024-11-09 06:52:56,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:56,918 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:56,918 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] [2024-11-09 06:52:56,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2024-11-09 06:52:56,919 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-09 06:52:56,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:56,919 INFO L85 PathProgramCache]: Analyzing trace with hash -2024137790, now seen corresponding path program 35 times [2024-11-09 06:52:56,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:56,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350409490] [2024-11-09 06:52:56,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:56,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:56,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:57,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:52:57,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:57,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350409490] [2024-11-09 06:52:57,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350409490] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:57,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:57,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-09 06:52:57,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386372507] [2024-11-09 06:52:57,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:57,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:52:57,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:57,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:52:57,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:52:57,613 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-09 06:52:57,614 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 179 places, 241 transitions, 1542 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:57,614 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:57,614 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-09 06:52:57,614 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:57,971 INFO L124 PetriNetUnfolderBase]: 508/1902 cut-off events. [2024-11-09 06:52:57,972 INFO L125 PetriNetUnfolderBase]: For 2997/3061 co-relation queries the response was YES. [2024-11-09 06:52:57,978 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5814 conditions, 1902 events. 508/1902 cut-off events. For 2997/3061 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 14757 event pairs, 21 based on Foata normal form. 8/1902 useless extension candidates. Maximal degree in co-relation 5776. Up to 354 conditions per place. [2024-11-09 06:52:57,981 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 20 selfloop transitions, 20 changer transitions 2/254 dead transitions. [2024-11-09 06:52:57,982 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 254 transitions, 1694 flow [2024-11-09 06:52:57,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 06:52:57,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-09 06:52:57,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1109 transitions. [2024-11-09 06:52:57,983 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7685377685377686 [2024-11-09 06:52:57,983 INFO L175 Difference]: Start difference. First operand has 179 places, 241 transitions, 1542 flow. Second operand 13 states and 1109 transitions. [2024-11-09 06:52:57,983 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 254 transitions, 1694 flow [2024-11-09 06:52:57,996 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 178 places, 254 transitions, 1630 flow, removed 2 selfloop flow, removed 12 redundant places. [2024-11-09 06:52:57,998 INFO L231 Difference]: Finished difference. Result has 182 places, 247 transitions, 1594 flow [2024-11-09 06:52:57,998 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1502, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=241, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=222, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1594, PETRI_PLACES=182, PETRI_TRANSITIONS=247} [2024-11-09 06:52:58,000 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 68 predicate places. [2024-11-09 06:52:58,000 INFO L471 AbstractCegarLoop]: Abstraction has has 182 places, 247 transitions, 1594 flow [2024-11-09 06:52:58,001 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:58,001 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:58,001 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] [2024-11-09 06:52:58,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2024-11-09 06:52:58,001 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-09 06:52:58,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:58,001 INFO L85 PathProgramCache]: Analyzing trace with hash 973296700, now seen corresponding path program 36 times [2024-11-09 06:52:58,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:58,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978888466] [2024-11-09 06:52:58,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:58,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:58,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:58,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:52:58,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:58,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978888466] [2024-11-09 06:52:58,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978888466] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:58,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:58,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-09 06:52:58,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974664799] [2024-11-09 06:52:58,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:58,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:52:58,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:58,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:52:58,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:52:58,820 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-09 06:52:58,821 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 182 places, 247 transitions, 1594 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:58,821 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:58,821 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-09 06:52:58,821 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:59,149 INFO L124 PetriNetUnfolderBase]: 507/1921 cut-off events. [2024-11-09 06:52:59,149 INFO L125 PetriNetUnfolderBase]: For 3175/3258 co-relation queries the response was YES. [2024-11-09 06:52:59,155 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5952 conditions, 1921 events. 507/1921 cut-off events. For 3175/3258 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 14959 event pairs, 23 based on Foata normal form. 13/1926 useless extension candidates. Maximal degree in co-relation 5911. Up to 355 conditions per place. [2024-11-09 06:52:59,159 INFO L140 encePairwiseOnDemand]: 92/111 looper letters, 18 selfloop transitions, 19 changer transitions 5/254 dead transitions. [2024-11-09 06:52:59,160 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 254 transitions, 1724 flow [2024-11-09 06:52:59,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 06:52:59,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-09 06:52:59,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1103 transitions. [2024-11-09 06:52:59,161 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7643797643797644 [2024-11-09 06:52:59,161 INFO L175 Difference]: Start difference. First operand has 182 places, 247 transitions, 1594 flow. Second operand 13 states and 1103 transitions. [2024-11-09 06:52:59,161 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 254 transitions, 1724 flow [2024-11-09 06:52:59,175 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 254 transitions, 1692 flow, removed 2 selfloop flow, removed 9 redundant places. [2024-11-09 06:52:59,177 INFO L231 Difference]: Finished difference. Result has 187 places, 247 transitions, 1619 flow [2024-11-09 06:52:59,177 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1566, PETRI_DIFFERENCE_MINUEND_PLACES=172, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=247, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=228, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1619, PETRI_PLACES=187, PETRI_TRANSITIONS=247} [2024-11-09 06:52:59,178 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 73 predicate places. [2024-11-09 06:52:59,178 INFO L471 AbstractCegarLoop]: Abstraction has has 187 places, 247 transitions, 1619 flow [2024-11-09 06:52:59,178 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:59,178 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:59,179 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] [2024-11-09 06:52:59,179 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2024-11-09 06:52:59,179 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-09 06:52:59,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:59,179 INFO L85 PathProgramCache]: Analyzing trace with hash 2014964764, now seen corresponding path program 37 times [2024-11-09 06:52:59,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:59,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149783707] [2024-11-09 06:52:59,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:59,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:59,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:59,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:52:59,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:59,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149783707] [2024-11-09 06:52:59,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149783707] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:59,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:59,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-09 06:52:59,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961136439] [2024-11-09 06:52:59,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:59,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:52:59,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:59,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:52:59,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:53:00,008 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-09 06:53:00,009 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 247 transitions, 1619 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:00,009 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:53:00,010 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-09 06:53:00,010 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:53:00,283 INFO L124 PetriNetUnfolderBase]: 244/1091 cut-off events. [2024-11-09 06:53:00,283 INFO L125 PetriNetUnfolderBase]: For 1700/1741 co-relation queries the response was YES. [2024-11-09 06:53:00,286 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3347 conditions, 1091 events. 244/1091 cut-off events. For 1700/1741 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 7162 event pairs, 12 based on Foata normal form. 5/1092 useless extension candidates. Maximal degree in co-relation 3304. Up to 187 conditions per place. [2024-11-09 06:53:00,288 INFO L140 encePairwiseOnDemand]: 93/111 looper letters, 15 selfloop transitions, 14 changer transitions 8/249 dead transitions. [2024-11-09 06:53:00,289 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 197 places, 249 transitions, 1697 flow [2024-11-09 06:53:00,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 06:53:00,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-09 06:53:00,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1105 transitions. [2024-11-09 06:53:00,290 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7657657657657657 [2024-11-09 06:53:00,290 INFO L175 Difference]: Start difference. First operand has 187 places, 247 transitions, 1619 flow. Second operand 13 states and 1105 transitions. [2024-11-09 06:53:00,290 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 197 places, 249 transitions, 1697 flow [2024-11-09 06:53:00,300 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 249 transitions, 1638 flow, removed 8 selfloop flow, removed 12 redundant places. [2024-11-09 06:53:00,302 INFO L231 Difference]: Finished difference. Result has 188 places, 241 transitions, 1552 flow [2024-11-09 06:53:00,302 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1534, PETRI_DIFFERENCE_MINUEND_PLACES=173, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=243, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=229, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1552, PETRI_PLACES=188, PETRI_TRANSITIONS=241} [2024-11-09 06:53:00,303 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 74 predicate places. [2024-11-09 06:53:00,303 INFO L471 AbstractCegarLoop]: Abstraction has has 188 places, 241 transitions, 1552 flow [2024-11-09 06:53:00,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:00,303 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:53:00,303 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] [2024-11-09 06:53:00,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2024-11-09 06:53:00,304 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-09 06:53:00,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:00,304 INFO L85 PathProgramCache]: Analyzing trace with hash -1371484956, now seen corresponding path program 38 times [2024-11-09 06:53:00,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:53:00,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127417167] [2024-11-09 06:53:00,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:00,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:00,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:00,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:53:00,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:53:00,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127417167] [2024-11-09 06:53:00,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127417167] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:53:00,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:53:00,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-09 06:53:00,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591362054] [2024-11-09 06:53:00,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:53:00,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:53:00,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:53:00,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:53:00,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:53:01,060 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-09 06:53:01,061 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 241 transitions, 1552 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:01,062 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:53:01,062 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-09 06:53:01,062 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:53:01,336 INFO L124 PetriNetUnfolderBase]: 243/1048 cut-off events. [2024-11-09 06:53:01,337 INFO L125 PetriNetUnfolderBase]: For 1518/1552 co-relation queries the response was YES. [2024-11-09 06:53:01,340 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3145 conditions, 1048 events. 243/1048 cut-off events. For 1518/1552 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 6788 event pairs, 12 based on Foata normal form. 7/1051 useless extension candidates. Maximal degree in co-relation 3101. Up to 185 conditions per place. [2024-11-09 06:53:01,342 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 11 selfloop transitions, 19 changer transitions 5/247 dead transitions. [2024-11-09 06:53:01,342 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 247 transitions, 1670 flow [2024-11-09 06:53:01,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 06:53:01,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-09 06:53:01,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1102 transitions. [2024-11-09 06:53:01,343 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7636867636867637 [2024-11-09 06:53:01,343 INFO L175 Difference]: Start difference. First operand has 188 places, 241 transitions, 1552 flow. Second operand 13 states and 1102 transitions. [2024-11-09 06:53:01,343 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 247 transitions, 1670 flow [2024-11-09 06:53:01,352 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 179 places, 247 transitions, 1602 flow, removed 15 selfloop flow, removed 16 redundant places. [2024-11-09 06:53:01,354 INFO L231 Difference]: Finished difference. Result has 181 places, 241 transitions, 1551 flow [2024-11-09 06:53:01,354 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1506, PETRI_DIFFERENCE_MINUEND_PLACES=167, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=241, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=222, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1551, PETRI_PLACES=181, PETRI_TRANSITIONS=241} [2024-11-09 06:53:01,355 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 67 predicate places. [2024-11-09 06:53:01,355 INFO L471 AbstractCegarLoop]: Abstraction has has 181 places, 241 transitions, 1551 flow [2024-11-09 06:53:01,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:01,355 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:53:01,355 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] [2024-11-09 06:53:01,355 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2024-11-09 06:53:01,356 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-09 06:53:01,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:01,356 INFO L85 PathProgramCache]: Analyzing trace with hash 1029413150, now seen corresponding path program 39 times [2024-11-09 06:53:01,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:53:01,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452510057] [2024-11-09 06:53:01,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:01,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:01,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:01,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:53:01,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:53:01,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452510057] [2024-11-09 06:53:01,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452510057] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:53:01,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:53:01,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-09 06:53:01,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333759037] [2024-11-09 06:53:01,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:53:01,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:53:01,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:53:01,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:53:01,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:53:02,252 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-09 06:53:02,253 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 241 transitions, 1551 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:02,253 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:53:02,253 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-09 06:53:02,253 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:53:02,423 INFO L124 PetriNetUnfolderBase]: 0/126 cut-off events. [2024-11-09 06:53:02,424 INFO L125 PetriNetUnfolderBase]: For 101/101 co-relation queries the response was YES. [2024-11-09 06:53:02,424 INFO L83 FinitePrefix]: Finished finitePrefix Result has 359 conditions, 126 events. 0/126 cut-off events. For 101/101 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 228 event pairs, 0 based on Foata normal form. 2/128 useless extension candidates. Maximal degree in co-relation 0. Up to 15 conditions per place. [2024-11-09 06:53:02,424 INFO L140 encePairwiseOnDemand]: 96/111 looper letters, 0 selfloop transitions, 0 changer transitions 90/90 dead transitions. [2024-11-09 06:53:02,424 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 90 transitions, 428 flow [2024-11-09 06:53:02,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 06:53:02,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-09 06:53:02,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1093 transitions. [2024-11-09 06:53:02,426 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7574497574497574 [2024-11-09 06:53:02,426 INFO L175 Difference]: Start difference. First operand has 181 places, 241 transitions, 1551 flow. Second operand 13 states and 1093 transitions. [2024-11-09 06:53:02,426 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 174 places, 90 transitions, 428 flow [2024-11-09 06:53:02,427 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 90 transitions, 259 flow, removed 31 selfloop flow, removed 52 redundant places. [2024-11-09 06:53:02,427 INFO L231 Difference]: Finished difference. Result has 122 places, 0 transitions, 0 flow [2024-11-09 06:53:02,427 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=192, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=0, PETRI_PLACES=122, PETRI_TRANSITIONS=0} [2024-11-09 06:53:02,428 INFO L277 CegarLoopForPetriNet]: 114 programPoint places, 8 predicate places. [2024-11-09 06:53:02,428 INFO L471 AbstractCegarLoop]: Abstraction has has 122 places, 0 transitions, 0 flow [2024-11-09 06:53:02,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:02,431 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (12 of 13 remaining) [2024-11-09 06:53:02,432 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (11 of 13 remaining) [2024-11-09 06:53:02,432 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (10 of 13 remaining) [2024-11-09 06:53:02,432 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (9 of 13 remaining) [2024-11-09 06:53:02,432 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (8 of 13 remaining) [2024-11-09 06:53:02,432 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (7 of 13 remaining) [2024-11-09 06:53:02,432 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 13 remaining) [2024-11-09 06:53:02,433 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (5 of 13 remaining) [2024-11-09 06:53:02,433 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (4 of 13 remaining) [2024-11-09 06:53:02,433 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (3 of 13 remaining) [2024-11-09 06:53:02,433 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 13 remaining) [2024-11-09 06:53:02,433 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 13 remaining) [2024-11-09 06:53:02,433 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (0 of 13 remaining) [2024-11-09 06:53:02,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2024-11-09 06:53:02,434 INFO L407 BasicCegarLoop]: Path program histogram: [39, 11, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:53:02,443 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-09 06:53:02,443 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 06:53:02,447 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 06:53:02 BasicIcfg [2024-11-09 06:53:02,451 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 06:53:02,452 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 06:53:02,456 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 06:53:02,456 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 06:53:02,457 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:51:42" (3/4) ... [2024-11-09 06:53:02,458 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 06:53:02,461 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-11-09 06:53:02,470 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-09 06:53:02,470 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 06:53:02,470 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-09 06:53:02,542 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-09 06:53:02,543 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-09 06:53:02,543 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 06:53:02,543 INFO L158 Benchmark]: Toolchain (without parser) took 80734.09ms. Allocated memory was 201.3MB in the beginning and 7.9GB in the end (delta: 7.7GB). Free memory was 127.6MB in the beginning and 7.3GB in the end (delta: -7.2GB). Peak memory consumption was 512.7MB. Max. memory is 16.1GB. [2024-11-09 06:53:02,544 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 201.3MB. Free memory is still 160.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:53:02,544 INFO L158 Benchmark]: CACSL2BoogieTranslator took 500.45ms. Allocated memory is still 201.3MB. Free memory was 127.6MB in the beginning and 99.5MB in the end (delta: 28.1MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-09 06:53:02,544 INFO L158 Benchmark]: Boogie Procedure Inliner took 127.61ms. Allocated memory is still 201.3MB. Free memory was 99.2MB in the beginning and 169.7MB in the end (delta: -70.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 06:53:02,544 INFO L158 Benchmark]: Boogie Preprocessor took 28.86ms. Allocated memory is still 201.3MB. Free memory was 169.7MB in the beginning and 167.6MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:53:02,544 INFO L158 Benchmark]: RCFGBuilder took 482.47ms. Allocated memory is still 201.3MB. Free memory was 167.6MB in the beginning and 148.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-09 06:53:02,545 INFO L158 Benchmark]: TraceAbstraction took 79494.88ms. Allocated memory was 201.3MB in the beginning and 7.9GB in the end (delta: 7.7GB). Free memory was 148.7MB in the beginning and 7.3GB in the end (delta: -7.2GB). Peak memory consumption was 527.5MB. Max. memory is 16.1GB. [2024-11-09 06:53:02,545 INFO L158 Benchmark]: Witness Printer took 90.99ms. Allocated memory is still 7.9GB. Free memory was 7.3GB in the beginning and 7.3GB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 06:53:02,546 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 201.3MB. Free memory is still 160.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 500.45ms. Allocated memory is still 201.3MB. Free memory was 127.6MB in the beginning and 99.5MB in the end (delta: 28.1MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 127.61ms. Allocated memory is still 201.3MB. Free memory was 99.2MB in the beginning and 169.7MB in the end (delta: -70.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.86ms. Allocated memory is still 201.3MB. Free memory was 169.7MB in the beginning and 167.6MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 482.47ms. Allocated memory is still 201.3MB. Free memory was 167.6MB in the beginning and 148.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 79494.88ms. Allocated memory was 201.3MB in the beginning and 7.9GB in the end (delta: 7.7GB). Free memory was 148.7MB in the beginning and 7.3GB in the end (delta: -7.2GB). Peak memory consumption was 527.5MB. Max. memory is 16.1GB. * Witness Printer took 90.99ms. Allocated memory is still 7.9GB. Free memory was 7.3GB in the beginning and 7.3GB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3010]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3011]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 2995]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3013]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3001]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3001]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3005]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3001]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3001]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 149 locations, 13 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 79.4s, OverallIterations: 57, TraceHistogramMax: 1, PathProgramHistogramMax: 39, EmptinessCheckTime: 0.0s, AutomataDifference: 59.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 29133 SdHoareTripleChecker+Valid, 30.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 25396 mSDsluCounter, 115040 SdHoareTripleChecker+Invalid, 25.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 113458 mSDsCounter, 266 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 70217 IncrementalHoareTripleChecker+Invalid, 70483 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 266 mSolverCounterUnsat, 1582 mSDtfsCounter, 70217 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1160 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 972 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1884 ImplicationChecksByTransitivity, 10.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2286occurred in iteration=18, InterpolantAutomatonStates: 686, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 18.2s InterpolantComputationTime, 3716 NumberOfCodeBlocks, 3716 NumberOfCodeBlocksAsserted, 57 NumberOfCheckSat, 3659 ConstructedInterpolants, 0 QuantifiedInterpolants, 17877 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 57 InterpolantComputations, 57 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 9 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-09 06:53:02,572 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE