./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/09-regions_06-ptra_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/goblint-regression/09-regions_06-ptra_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 c74b9abfd84bef3aa9e712193319c6938e59ac72c91a2b202dc32aee3a54e2e3 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 05:50:00,306 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 05:50:00,378 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-19 05:50:00,386 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 05:50:00,387 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 05:50:00,430 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 05:50:00,431 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 05:50:00,431 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 05:50:00,432 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 05:50:00,432 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 05:50:00,433 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 05:50:00,443 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 05:50:00,444 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 05:50:00,445 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 05:50:00,447 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 05:50:00,447 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 05:50:00,447 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 05:50:00,447 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 05:50:00,448 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 05:50:00,448 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 05:50:00,448 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 05:50:00,452 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 05:50:00,453 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-19 05:50:00,453 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 05:50:00,453 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 05:50:00,453 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 05:50:00,454 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 05:50:00,454 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 05:50:00,454 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 05:50:00,454 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 05:50:00,454 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 05:50:00,455 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 05:50:00,455 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 05:50:00,455 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 05:50:00,455 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 05:50:00,455 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 05:50:00,456 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 05:50:00,456 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 05:50:00,456 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 05:50:00,456 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 05:50:00,456 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 05:50:00,457 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c74b9abfd84bef3aa9e712193319c6938e59ac72c91a2b202dc32aee3a54e2e3 [2024-11-19 05:50:00,710 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 05:50:00,735 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 05:50:00,737 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 05:50:00,739 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 05:50:00,739 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 05:50:00,740 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/09-regions_06-ptra_nr.i [2024-11-19 05:50:02,306 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 05:50:02,633 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 05:50:02,634 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/09-regions_06-ptra_nr.i [2024-11-19 05:50:02,681 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54384b8cb/947b90330a86452f824557f89d4842a2/FLAG5bc7d8e74 [2024-11-19 05:50:02,696 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54384b8cb/947b90330a86452f824557f89d4842a2 [2024-11-19 05:50:02,699 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 05:50:02,701 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 05:50:02,704 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 05:50:02,704 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 05:50:02,709 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 05:50:02,710 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:50:02" (1/1) ... [2024-11-19 05:50:02,713 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a8160d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:50:02, skipping insertion in model container [2024-11-19 05:50:02,713 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:50:02" (1/1) ... [2024-11-19 05:50:02,776 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 05:50:03,183 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 05:50:03,213 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 05:50:03,287 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 05:50:03,326 INFO L204 MainTranslator]: Completed translation [2024-11-19 05:50:03,327 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:50:03 WrapperNode [2024-11-19 05:50:03,327 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 05:50:03,328 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 05:50:03,328 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 05:50:03,328 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 05:50:03,335 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:50:03" (1/1) ... [2024-11-19 05:50:03,351 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:50:03" (1/1) ... [2024-11-19 05:50:03,387 INFO L138 Inliner]: procedures = 189, calls = 29, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 258 [2024-11-19 05:50:03,389 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 05:50:03,390 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 05:50:03,390 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 05:50:03,390 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 05:50:03,399 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:50:03" (1/1) ... [2024-11-19 05:50:03,400 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:50:03" (1/1) ... [2024-11-19 05:50:03,406 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:50:03" (1/1) ... [2024-11-19 05:50:03,407 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:50:03" (1/1) ... [2024-11-19 05:50:03,425 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:50:03" (1/1) ... [2024-11-19 05:50:03,427 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:50:03" (1/1) ... [2024-11-19 05:50:03,430 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:50:03" (1/1) ... [2024-11-19 05:50:03,432 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:50:03" (1/1) ... [2024-11-19 05:50:03,436 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 05:50:03,438 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 05:50:03,438 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 05:50:03,438 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 05:50:03,439 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:50:03" (1/1) ... [2024-11-19 05:50:03,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 05:50:03,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 05:50:03,477 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) [2024-11-19 05:50:03,485 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 [2024-11-19 05:50:03,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-19 05:50:03,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-19 05:50:03,531 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-19 05:50:03,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 05:50:03,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 05:50:03,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-19 05:50:03,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-19 05:50:03,531 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-19 05:50:03,532 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-19 05:50:03,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-19 05:50:03,532 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-19 05:50:03,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 05:50:03,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 05:50:03,534 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-19 05:50:03,692 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 05:50:03,695 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 05:50:04,256 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-19 05:50:04,256 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 05:50:04,327 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 05:50:04,328 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 05:50:04,328 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:50:04 BoogieIcfgContainer [2024-11-19 05:50:04,328 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 05:50:04,334 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 05:50:04,335 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 05:50:04,343 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 05:50:04,343 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:50:02" (1/3) ... [2024-11-19 05:50:04,344 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23c0bb25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:50:04, skipping insertion in model container [2024-11-19 05:50:04,345 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:50:03" (2/3) ... [2024-11-19 05:50:04,348 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23c0bb25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:50:04, skipping insertion in model container [2024-11-19 05:50:04,349 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:50:04" (3/3) ... [2024-11-19 05:50:04,350 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_06-ptra_nr.i [2024-11-19 05:50:04,377 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 05:50:04,378 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2024-11-19 05:50:04,378 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-19 05:50:04,510 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-19 05:50:04,560 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 297 places, 293 transitions, 590 flow [2024-11-19 05:50:04,691 INFO L124 PetriNetUnfolderBase]: 0/292 cut-off events. [2024-11-19 05:50:04,691 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 05:50:04,695 INFO L83 FinitePrefix]: Finished finitePrefix Result has 296 conditions, 292 events. 0/292 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 94 event pairs, 0 based on Foata normal form. 0/270 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-11-19 05:50:04,695 INFO L82 GeneralOperation]: Start removeDead. Operand has 297 places, 293 transitions, 590 flow [2024-11-19 05:50:04,704 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 296 places, 292 transitions, 587 flow [2024-11-19 05:50:04,722 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 05:50:04,730 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;@77e15e7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 05:50:04,731 INFO L334 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2024-11-19 05:50:04,750 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-19 05:50:04,751 INFO L124 PetriNetUnfolderBase]: 0/86 cut-off events. [2024-11-19 05:50:04,751 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 05:50:04,751 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:04,752 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:50:04,754 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-19 05:50:04,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:04,760 INFO L85 PathProgramCache]: Analyzing trace with hash 1012708, now seen corresponding path program 1 times [2024-11-19 05:50:04,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:04,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498888968] [2024-11-19 05:50:04,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:50:04,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:04,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:50:05,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:05,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:05,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498888968] [2024-11-19 05:50:05,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498888968] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:05,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:05,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:50:05,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65156634] [2024-11-19 05:50:05,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:05,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:50:05,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:05,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:50:05,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:50:06,334 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 223 out of 293 [2024-11-19 05:50:06,343 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 296 places, 292 transitions, 587 flow. Second operand has 6 states, 6 states have (on average 224.33333333333334) internal successors, (1346), 6 states have internal predecessors, (1346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:06,344 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:06,344 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 223 of 293 [2024-11-19 05:50:06,345 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:06,695 INFO L124 PetriNetUnfolderBase]: 220/1135 cut-off events. [2024-11-19 05:50:06,696 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-19 05:50:06,702 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1647 conditions, 1135 events. 220/1135 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 5595 event pairs, 220 based on Foata normal form. 0/1027 useless extension candidates. Maximal degree in co-relation 1424. Up to 493 conditions per place. [2024-11-19 05:50:06,710 INFO L140 encePairwiseOnDemand]: 275/293 looper letters, 52 selfloop transitions, 15 changer transitions 0/289 dead transitions. [2024-11-19 05:50:06,711 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 289 transitions, 715 flow [2024-11-19 05:50:06,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:50:06,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:50:06,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1408 transitions. [2024-11-19 05:50:06,758 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.800910125142207 [2024-11-19 05:50:06,761 INFO L175 Difference]: Start difference. First operand has 296 places, 292 transitions, 587 flow. Second operand 6 states and 1408 transitions. [2024-11-19 05:50:06,762 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 289 transitions, 715 flow [2024-11-19 05:50:06,768 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 289 transitions, 714 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 05:50:06,775 INFO L231 Difference]: Finished difference. Result has 297 places, 289 transitions, 610 flow [2024-11-19 05:50:06,778 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=293, PETRI_DIFFERENCE_MINUEND_FLOW=580, PETRI_DIFFERENCE_MINUEND_PLACES=292, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=289, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=610, PETRI_PLACES=297, PETRI_TRANSITIONS=289} [2024-11-19 05:50:06,784 INFO L277 CegarLoopForPetriNet]: 296 programPoint places, 1 predicate places. [2024-11-19 05:50:06,785 INFO L471 AbstractCegarLoop]: Abstraction has has 297 places, 289 transitions, 610 flow [2024-11-19 05:50:06,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 224.33333333333334) internal successors, (1346), 6 states have internal predecessors, (1346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:06,786 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:06,786 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:50:06,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 05:50:06,787 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-19 05:50:06,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:06,789 INFO L85 PathProgramCache]: Analyzing trace with hash -778666570, now seen corresponding path program 1 times [2024-11-19 05:50:06,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:06,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383853760] [2024-11-19 05:50:06,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:50:06,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:06,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:50:07,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:07,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:07,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383853760] [2024-11-19 05:50:07,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383853760] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:07,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:07,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:50:07,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097082510] [2024-11-19 05:50:07,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:07,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:50:07,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:07,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:50:07,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:50:07,643 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 223 out of 293 [2024-11-19 05:50:07,645 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 297 places, 289 transitions, 610 flow. Second operand has 6 states, 6 states have (on average 224.33333333333334) internal successors, (1346), 6 states have internal predecessors, (1346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:07,645 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:07,645 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 223 of 293 [2024-11-19 05:50:07,645 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:07,886 INFO L124 PetriNetUnfolderBase]: 220/1132 cut-off events. [2024-11-19 05:50:07,886 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 05:50:07,889 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1659 conditions, 1132 events. 220/1132 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 5632 event pairs, 220 based on Foata normal form. 0/1027 useless extension candidates. Maximal degree in co-relation 1449. Up to 493 conditions per place. [2024-11-19 05:50:07,894 INFO L140 encePairwiseOnDemand]: 275/293 looper letters, 52 selfloop transitions, 15 changer transitions 0/286 dead transitions. [2024-11-19 05:50:07,895 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 299 places, 286 transitions, 738 flow [2024-11-19 05:50:07,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:50:07,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:50:07,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1408 transitions. [2024-11-19 05:50:07,898 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.800910125142207 [2024-11-19 05:50:07,898 INFO L175 Difference]: Start difference. First operand has 297 places, 289 transitions, 610 flow. Second operand 6 states and 1408 transitions. [2024-11-19 05:50:07,898 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 299 places, 286 transitions, 738 flow [2024-11-19 05:50:07,901 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 294 places, 286 transitions, 708 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:50:07,905 INFO L231 Difference]: Finished difference. Result has 294 places, 286 transitions, 604 flow [2024-11-19 05:50:07,906 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=293, PETRI_DIFFERENCE_MINUEND_FLOW=574, PETRI_DIFFERENCE_MINUEND_PLACES=289, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=286, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=271, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=604, PETRI_PLACES=294, PETRI_TRANSITIONS=286} [2024-11-19 05:50:07,907 INFO L277 CegarLoopForPetriNet]: 296 programPoint places, -2 predicate places. [2024-11-19 05:50:07,907 INFO L471 AbstractCegarLoop]: Abstraction has has 294 places, 286 transitions, 604 flow [2024-11-19 05:50:07,908 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 224.33333333333334) internal successors, (1346), 6 states have internal predecessors, (1346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:07,908 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:07,908 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:50:07,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 05:50:07,909 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-19 05:50:07,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:07,910 INFO L85 PathProgramCache]: Analyzing trace with hash -672749740, now seen corresponding path program 1 times [2024-11-19 05:50:07,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:07,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186533230] [2024-11-19 05:50:07,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:50:07,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:07,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:50:07,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:07,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:07,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186533230] [2024-11-19 05:50:07,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186533230] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:07,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:07,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:50:07,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458167911] [2024-11-19 05:50:07,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:07,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:50:07,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:07,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:50:07,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:50:08,016 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 276 out of 293 [2024-11-19 05:50:08,018 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 286 transitions, 604 flow. Second operand has 3 states, 3 states have (on average 277.3333333333333) internal successors, (832), 3 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:08,018 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:08,018 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 276 of 293 [2024-11-19 05:50:08,018 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:08,075 INFO L124 PetriNetUnfolderBase]: 16/421 cut-off events. [2024-11-19 05:50:08,076 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 05:50:08,077 INFO L83 FinitePrefix]: Finished finitePrefix Result has 489 conditions, 421 events. 16/421 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 779 event pairs, 16 based on Foata normal form. 0/386 useless extension candidates. Maximal degree in co-relation 291. Up to 47 conditions per place. [2024-11-19 05:50:08,078 INFO L140 encePairwiseOnDemand]: 290/293 looper letters, 14 selfloop transitions, 2 changer transitions 0/285 dead transitions. [2024-11-19 05:50:08,078 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 295 places, 285 transitions, 634 flow [2024-11-19 05:50:08,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:50:08,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:50:08,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 845 transitions. [2024-11-19 05:50:08,081 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9613196814562003 [2024-11-19 05:50:08,081 INFO L175 Difference]: Start difference. First operand has 294 places, 286 transitions, 604 flow. Second operand 3 states and 845 transitions. [2024-11-19 05:50:08,081 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 295 places, 285 transitions, 634 flow [2024-11-19 05:50:08,083 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 290 places, 285 transitions, 604 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:50:08,087 INFO L231 Difference]: Finished difference. Result has 290 places, 285 transitions, 576 flow [2024-11-19 05:50:08,087 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=293, PETRI_DIFFERENCE_MINUEND_FLOW=572, PETRI_DIFFERENCE_MINUEND_PLACES=288, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=285, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=576, PETRI_PLACES=290, PETRI_TRANSITIONS=285} [2024-11-19 05:50:08,088 INFO L277 CegarLoopForPetriNet]: 296 programPoint places, -6 predicate places. [2024-11-19 05:50:08,088 INFO L471 AbstractCegarLoop]: Abstraction has has 290 places, 285 transitions, 576 flow [2024-11-19 05:50:08,089 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 277.3333333333333) internal successors, (832), 3 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:08,089 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:08,090 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:50:08,090 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 05:50:08,090 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-19 05:50:08,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:08,091 INFO L85 PathProgramCache]: Analyzing trace with hash -1411836732, now seen corresponding path program 1 times [2024-11-19 05:50:08,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:08,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418220688] [2024-11-19 05:50:08,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:50:08,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:08,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:50:08,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:08,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:08,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418220688] [2024-11-19 05:50:08,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418220688] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:08,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:08,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:50:08,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268657038] [2024-11-19 05:50:08,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:08,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:50:08,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:08,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:50:08,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:50:08,173 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 272 out of 293 [2024-11-19 05:50:08,175 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 290 places, 285 transitions, 576 flow. Second operand has 3 states, 3 states have (on average 273.0) internal successors, (819), 3 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:08,175 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:08,175 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 272 of 293 [2024-11-19 05:50:08,175 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:08,237 INFO L124 PetriNetUnfolderBase]: 24/498 cut-off events. [2024-11-19 05:50:08,237 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-19 05:50:08,239 INFO L83 FinitePrefix]: Finished finitePrefix Result has 569 conditions, 498 events. 24/498 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1205 event pairs, 24 based on Foata normal form. 0/465 useless extension candidates. Maximal degree in co-relation 458. Up to 63 conditions per place. [2024-11-19 05:50:08,240 INFO L140 encePairwiseOnDemand]: 287/293 looper letters, 15 selfloop transitions, 1 changer transitions 0/280 dead transitions. [2024-11-19 05:50:08,240 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 287 places, 280 transitions, 598 flow [2024-11-19 05:50:08,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:50:08,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:50:08,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 837 transitions. [2024-11-19 05:50:08,243 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9522184300341296 [2024-11-19 05:50:08,243 INFO L175 Difference]: Start difference. First operand has 290 places, 285 transitions, 576 flow. Second operand 3 states and 837 transitions. [2024-11-19 05:50:08,244 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 287 places, 280 transitions, 598 flow [2024-11-19 05:50:08,246 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 285 places, 280 transitions, 594 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:50:08,249 INFO L231 Difference]: Finished difference. Result has 285 places, 280 transitions, 564 flow [2024-11-19 05:50:08,250 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=293, PETRI_DIFFERENCE_MINUEND_FLOW=562, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=280, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=279, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=564, PETRI_PLACES=285, PETRI_TRANSITIONS=280} [2024-11-19 05:50:08,251 INFO L277 CegarLoopForPetriNet]: 296 programPoint places, -11 predicate places. [2024-11-19 05:50:08,252 INFO L471 AbstractCegarLoop]: Abstraction has has 285 places, 280 transitions, 564 flow [2024-11-19 05:50:08,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 273.0) internal successors, (819), 3 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:08,253 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:08,254 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:50:08,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 05:50:08,254 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-19 05:50:08,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:08,255 INFO L85 PathProgramCache]: Analyzing trace with hash -314182069, now seen corresponding path program 1 times [2024-11-19 05:50:08,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:08,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475929464] [2024-11-19 05:50:08,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:50:08,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:08,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:50:08,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:08,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:08,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475929464] [2024-11-19 05:50:08,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475929464] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:08,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:08,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:50:08,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232082216] [2024-11-19 05:50:08,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:08,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:50:08,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:08,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:50:08,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:50:09,106 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 221 out of 293 [2024-11-19 05:50:09,108 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 285 places, 280 transitions, 564 flow. Second operand has 6 states, 6 states have (on average 225.16666666666666) internal successors, (1351), 6 states have internal predecessors, (1351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:09,108 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:09,109 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 221 of 293 [2024-11-19 05:50:09,109 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:09,385 INFO L124 PetriNetUnfolderBase]: 288/1275 cut-off events. [2024-11-19 05:50:09,386 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 05:50:09,388 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1928 conditions, 1275 events. 288/1275 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 6585 event pairs, 288 based on Foata normal form. 0/1214 useless extension candidates. Maximal degree in co-relation 1807. Up to 643 conditions per place. [2024-11-19 05:50:09,394 INFO L140 encePairwiseOnDemand]: 287/293 looper letters, 66 selfloop transitions, 5 changer transitions 0/279 dead transitions. [2024-11-19 05:50:09,394 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 289 places, 279 transitions, 704 flow [2024-11-19 05:50:09,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:50:09,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:50:09,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1398 transitions. [2024-11-19 05:50:09,398 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7952218430034129 [2024-11-19 05:50:09,399 INFO L175 Difference]: Start difference. First operand has 285 places, 280 transitions, 564 flow. Second operand 6 states and 1398 transitions. [2024-11-19 05:50:09,399 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 289 places, 279 transitions, 704 flow [2024-11-19 05:50:09,401 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 288 places, 279 transitions, 703 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 05:50:09,404 INFO L231 Difference]: Finished difference. Result has 288 places, 279 transitions, 571 flow [2024-11-19 05:50:09,405 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=293, PETRI_DIFFERENCE_MINUEND_FLOW=561, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=279, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=571, PETRI_PLACES=288, PETRI_TRANSITIONS=279} [2024-11-19 05:50:09,408 INFO L277 CegarLoopForPetriNet]: 296 programPoint places, -8 predicate places. [2024-11-19 05:50:09,409 INFO L471 AbstractCegarLoop]: Abstraction has has 288 places, 279 transitions, 571 flow [2024-11-19 05:50:09,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 225.16666666666666) internal successors, (1351), 6 states have internal predecessors, (1351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:09,411 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:09,411 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:50:09,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 05:50:09,411 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-19 05:50:09,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:09,412 INFO L85 PathProgramCache]: Analyzing trace with hash 604617369, now seen corresponding path program 1 times [2024-11-19 05:50:09,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:09,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756619598] [2024-11-19 05:50:09,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:50:09,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:09,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:50:09,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:09,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:09,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756619598] [2024-11-19 05:50:09,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756619598] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:09,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:09,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:50:09,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608049671] [2024-11-19 05:50:09,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:09,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:50:09,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:09,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:50:09,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:50:09,528 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 280 out of 293 [2024-11-19 05:50:09,529 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 288 places, 279 transitions, 571 flow. Second operand has 3 states, 3 states have (on average 281.3333333333333) internal successors, (844), 3 states have internal predecessors, (844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:09,529 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:09,530 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 280 of 293 [2024-11-19 05:50:09,530 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:09,587 INFO L124 PetriNetUnfolderBase]: 6/342 cut-off events. [2024-11-19 05:50:09,587 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 05:50:09,588 INFO L83 FinitePrefix]: Finished finitePrefix Result has 377 conditions, 342 events. 6/342 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 391 event pairs, 6 based on Foata normal form. 0/325 useless extension candidates. Maximal degree in co-relation 266. Up to 23 conditions per place. [2024-11-19 05:50:09,589 INFO L140 encePairwiseOnDemand]: 290/293 looper letters, 10 selfloop transitions, 2 changer transitions 0/278 dead transitions. [2024-11-19 05:50:09,589 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 289 places, 278 transitions, 593 flow [2024-11-19 05:50:09,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:50:09,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:50:09,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 853 transitions. [2024-11-19 05:50:09,591 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9704209328782708 [2024-11-19 05:50:09,592 INFO L175 Difference]: Start difference. First operand has 288 places, 279 transitions, 571 flow. Second operand 3 states and 853 transitions. [2024-11-19 05:50:09,592 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 289 places, 278 transitions, 593 flow [2024-11-19 05:50:09,594 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 284 places, 278 transitions, 583 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:50:09,597 INFO L231 Difference]: Finished difference. Result has 284 places, 278 transitions, 563 flow [2024-11-19 05:50:09,597 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=293, PETRI_DIFFERENCE_MINUEND_FLOW=559, PETRI_DIFFERENCE_MINUEND_PLACES=282, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=278, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=276, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=563, PETRI_PLACES=284, PETRI_TRANSITIONS=278} [2024-11-19 05:50:09,598 INFO L277 CegarLoopForPetriNet]: 296 programPoint places, -12 predicate places. [2024-11-19 05:50:09,598 INFO L471 AbstractCegarLoop]: Abstraction has has 284 places, 278 transitions, 563 flow [2024-11-19 05:50:09,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 281.3333333333333) internal successors, (844), 3 states have internal predecessors, (844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:09,600 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:09,600 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:50:09,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 05:50:09,601 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-19 05:50:09,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:09,601 INFO L85 PathProgramCache]: Analyzing trace with hash 1042183485, now seen corresponding path program 1 times [2024-11-19 05:50:09,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:09,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204132043] [2024-11-19 05:50:09,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:50:09,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:09,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:50:09,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:09,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:09,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204132043] [2024-11-19 05:50:09,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204132043] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:09,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:09,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:50:09,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913219862] [2024-11-19 05:50:09,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:09,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:50:09,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:09,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:50:09,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:50:09,689 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 284 out of 293 [2024-11-19 05:50:09,690 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 284 places, 278 transitions, 563 flow. Second operand has 3 states, 3 states have (on average 285.0) internal successors, (855), 3 states have internal predecessors, (855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:09,691 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:09,691 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 284 of 293 [2024-11-19 05:50:09,691 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:09,731 INFO L124 PetriNetUnfolderBase]: 4/339 cut-off events. [2024-11-19 05:50:09,732 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-19 05:50:09,732 INFO L83 FinitePrefix]: Finished finitePrefix Result has 363 conditions, 339 events. 4/339 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 251 event pairs, 4 based on Foata normal form. 0/324 useless extension candidates. Maximal degree in co-relation 253. Up to 15 conditions per place. [2024-11-19 05:50:09,733 INFO L140 encePairwiseOnDemand]: 291/293 looper letters, 7 selfloop transitions, 1 changer transitions 0/277 dead transitions. [2024-11-19 05:50:09,733 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 277 transitions, 577 flow [2024-11-19 05:50:09,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:50:09,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:50:09,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 861 transitions. [2024-11-19 05:50:09,736 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9795221843003413 [2024-11-19 05:50:09,736 INFO L175 Difference]: Start difference. First operand has 284 places, 278 transitions, 563 flow. Second operand 3 states and 861 transitions. [2024-11-19 05:50:09,736 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 285 places, 277 transitions, 577 flow [2024-11-19 05:50:09,738 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 277 transitions, 573 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:50:09,740 INFO L231 Difference]: Finished difference. Result has 283 places, 277 transitions, 559 flow [2024-11-19 05:50:09,741 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=293, PETRI_DIFFERENCE_MINUEND_FLOW=557, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=277, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=276, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=559, PETRI_PLACES=283, PETRI_TRANSITIONS=277} [2024-11-19 05:50:09,742 INFO L277 CegarLoopForPetriNet]: 296 programPoint places, -13 predicate places. [2024-11-19 05:50:09,742 INFO L471 AbstractCegarLoop]: Abstraction has has 283 places, 277 transitions, 559 flow [2024-11-19 05:50:09,743 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 285.0) internal successors, (855), 3 states have internal predecessors, (855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:09,743 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:09,743 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:50:09,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 05:50:09,743 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-19 05:50:09,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:09,744 INFO L85 PathProgramCache]: Analyzing trace with hash 987461173, now seen corresponding path program 1 times [2024-11-19 05:50:09,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:09,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105707366] [2024-11-19 05:50:09,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:50:09,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:09,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:50:10,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:10,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:10,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105707366] [2024-11-19 05:50:10,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105707366] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:10,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:10,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:50:10,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430615707] [2024-11-19 05:50:10,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:10,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:50:10,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:10,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:50:10,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:50:10,813 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 228 out of 293 [2024-11-19 05:50:10,815 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 283 places, 277 transitions, 559 flow. Second operand has 6 states, 6 states have (on average 234.33333333333334) internal successors, (1406), 6 states have internal predecessors, (1406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:10,815 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:10,815 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 228 of 293 [2024-11-19 05:50:10,816 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:11,258 INFO L124 PetriNetUnfolderBase]: 316/1589 cut-off events. [2024-11-19 05:50:11,258 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 05:50:11,261 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2329 conditions, 1589 events. 316/1589 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 9557 event pairs, 43 based on Foata normal form. 0/1500 useless extension candidates. Maximal degree in co-relation 2209. Up to 388 conditions per place. [2024-11-19 05:50:11,266 INFO L140 encePairwiseOnDemand]: 265/293 looper letters, 107 selfloop transitions, 70 changer transitions 0/389 dead transitions. [2024-11-19 05:50:11,266 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 287 places, 389 transitions, 1137 flow [2024-11-19 05:50:11,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:50:11,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:50:11,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1547 transitions. [2024-11-19 05:50:11,270 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8799772468714449 [2024-11-19 05:50:11,270 INFO L175 Difference]: Start difference. First operand has 283 places, 277 transitions, 559 flow. Second operand 6 states and 1547 transitions. [2024-11-19 05:50:11,270 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 287 places, 389 transitions, 1137 flow [2024-11-19 05:50:11,273 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 286 places, 389 transitions, 1136 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 05:50:11,280 INFO L231 Difference]: Finished difference. Result has 291 places, 347 transitions, 1036 flow [2024-11-19 05:50:11,281 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=293, PETRI_DIFFERENCE_MINUEND_FLOW=556, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=276, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=250, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1036, PETRI_PLACES=291, PETRI_TRANSITIONS=347} [2024-11-19 05:50:11,281 INFO L277 CegarLoopForPetriNet]: 296 programPoint places, -5 predicate places. [2024-11-19 05:50:11,281 INFO L471 AbstractCegarLoop]: Abstraction has has 291 places, 347 transitions, 1036 flow [2024-11-19 05:50:11,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 234.33333333333334) internal successors, (1406), 6 states have internal predecessors, (1406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:11,283 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:11,283 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:50:11,283 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 05:50:11,283 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-19 05:50:11,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:11,284 INFO L85 PathProgramCache]: Analyzing trace with hash 204481195, now seen corresponding path program 1 times [2024-11-19 05:50:11,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:11,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418142505] [2024-11-19 05:50:11,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:50:11,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:11,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:50:11,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:11,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:11,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418142505] [2024-11-19 05:50:11,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418142505] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:11,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:11,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:50:11,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934315212] [2024-11-19 05:50:11,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:11,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:50:11,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:11,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:50:11,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:50:12,188 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 293 [2024-11-19 05:50:12,190 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 291 places, 347 transitions, 1036 flow. Second operand has 6 states, 6 states have (on average 235.16666666666666) internal successors, (1411), 6 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:12,191 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:12,191 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 293 [2024-11-19 05:50:12,191 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:12,705 INFO L124 PetriNetUnfolderBase]: 588/2368 cut-off events. [2024-11-19 05:50:12,706 INFO L125 PetriNetUnfolderBase]: For 603/609 co-relation queries the response was YES. [2024-11-19 05:50:12,713 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4766 conditions, 2368 events. 588/2368 cut-off events. For 603/609 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 15454 event pairs, 222 based on Foata normal form. 0/2256 useless extension candidates. Maximal degree in co-relation 4644. Up to 1090 conditions per place. [2024-11-19 05:50:12,724 INFO L140 encePairwiseOnDemand]: 278/293 looper letters, 114 selfloop transitions, 48 changer transitions 0/398 dead transitions. [2024-11-19 05:50:12,724 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 296 places, 398 transitions, 1532 flow [2024-11-19 05:50:12,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:50:12,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:50:12,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1484 transitions. [2024-11-19 05:50:12,728 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8441410693970421 [2024-11-19 05:50:12,728 INFO L175 Difference]: Start difference. First operand has 291 places, 347 transitions, 1036 flow. Second operand 6 states and 1484 transitions. [2024-11-19 05:50:12,728 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 296 places, 398 transitions, 1532 flow [2024-11-19 05:50:12,738 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 296 places, 398 transitions, 1532 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-19 05:50:12,744 INFO L231 Difference]: Finished difference. Result has 301 places, 390 transitions, 1424 flow [2024-11-19 05:50:12,745 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=293, PETRI_DIFFERENCE_MINUEND_FLOW=1036, PETRI_DIFFERENCE_MINUEND_PLACES=291, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=347, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=323, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1424, PETRI_PLACES=301, PETRI_TRANSITIONS=390} [2024-11-19 05:50:12,746 INFO L277 CegarLoopForPetriNet]: 296 programPoint places, 5 predicate places. [2024-11-19 05:50:12,746 INFO L471 AbstractCegarLoop]: Abstraction has has 301 places, 390 transitions, 1424 flow [2024-11-19 05:50:12,747 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 235.16666666666666) internal successors, (1411), 6 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:12,747 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:12,747 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:50:12,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 05:50:12,748 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-19 05:50:12,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:12,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1899772781, now seen corresponding path program 1 times [2024-11-19 05:50:12,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:12,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341673056] [2024-11-19 05:50:12,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:50:12,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:12,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:50:13,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:13,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:13,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341673056] [2024-11-19 05:50:13,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341673056] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:13,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:13,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:50:13,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785291018] [2024-11-19 05:50:13,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:13,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:50:13,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:13,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:50:13,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:50:13,758 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 235 out of 293 [2024-11-19 05:50:13,760 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 301 places, 390 transitions, 1424 flow. Second operand has 6 states, 6 states have (on average 241.16666666666666) internal successors, (1447), 6 states have internal predecessors, (1447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:13,761 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:13,761 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 235 of 293 [2024-11-19 05:50:13,761 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:14,310 INFO L124 PetriNetUnfolderBase]: 693/2817 cut-off events. [2024-11-19 05:50:14,310 INFO L125 PetriNetUnfolderBase]: For 1554/1606 co-relation queries the response was YES. [2024-11-19 05:50:14,319 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6411 conditions, 2817 events. 693/2817 cut-off events. For 1554/1606 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 19778 event pairs, 57 based on Foata normal form. 0/2726 useless extension candidates. Maximal degree in co-relation 6282. Up to 932 conditions per place. [2024-11-19 05:50:14,331 INFO L140 encePairwiseOnDemand]: 270/293 looper letters, 135 selfloop transitions, 136 changer transitions 4/530 dead transitions. [2024-11-19 05:50:14,332 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 530 transitions, 2730 flow [2024-11-19 05:50:14,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:50:14,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:50:14,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1547 transitions. [2024-11-19 05:50:14,336 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8799772468714449 [2024-11-19 05:50:14,336 INFO L175 Difference]: Start difference. First operand has 301 places, 390 transitions, 1424 flow. Second operand 6 states and 1547 transitions. [2024-11-19 05:50:14,337 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 530 transitions, 2730 flow [2024-11-19 05:50:14,349 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 306 places, 530 transitions, 2712 flow, removed 9 selfloop flow, removed 0 redundant places. [2024-11-19 05:50:14,360 INFO L231 Difference]: Finished difference. Result has 311 places, 521 transitions, 2772 flow [2024-11-19 05:50:14,362 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=293, PETRI_DIFFERENCE_MINUEND_FLOW=1406, PETRI_DIFFERENCE_MINUEND_PLACES=301, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=390, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=344, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2772, PETRI_PLACES=311, PETRI_TRANSITIONS=521} [2024-11-19 05:50:14,363 INFO L277 CegarLoopForPetriNet]: 296 programPoint places, 15 predicate places. [2024-11-19 05:50:14,363 INFO L471 AbstractCegarLoop]: Abstraction has has 311 places, 521 transitions, 2772 flow [2024-11-19 05:50:14,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 241.16666666666666) internal successors, (1447), 6 states have internal predecessors, (1447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:14,365 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:14,365 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:50:14,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-19 05:50:14,365 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-19 05:50:14,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:14,366 INFO L85 PathProgramCache]: Analyzing trace with hash -632563920, now seen corresponding path program 1 times [2024-11-19 05:50:14,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:14,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210091652] [2024-11-19 05:50:14,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:50:14,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:14,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:50:15,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:15,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:15,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210091652] [2024-11-19 05:50:15,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210091652] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:15,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:15,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:50:15,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589166260] [2024-11-19 05:50:15,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:15,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:50:15,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:15,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:50:15,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:50:15,312 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 293 [2024-11-19 05:50:15,314 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 311 places, 521 transitions, 2772 flow. Second operand has 6 states, 6 states have (on average 235.16666666666666) internal successors, (1411), 6 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:15,314 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:15,314 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 293 [2024-11-19 05:50:15,314 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:15,938 INFO L124 PetriNetUnfolderBase]: 968/3493 cut-off events. [2024-11-19 05:50:15,939 INFO L125 PetriNetUnfolderBase]: For 3831/3903 co-relation queries the response was YES. [2024-11-19 05:50:15,956 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9734 conditions, 3493 events. 968/3493 cut-off events. For 3831/3903 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 24892 event pairs, 207 based on Foata normal form. 0/3406 useless extension candidates. Maximal degree in co-relation 9602. Up to 1565 conditions per place. [2024-11-19 05:50:15,977 INFO L140 encePairwiseOnDemand]: 278/293 looper letters, 239 selfloop transitions, 62 changer transitions 0/578 dead transitions. [2024-11-19 05:50:15,977 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 578 transitions, 3716 flow [2024-11-19 05:50:15,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:50:15,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:50:15,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1484 transitions. [2024-11-19 05:50:15,985 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8441410693970421 [2024-11-19 05:50:15,985 INFO L175 Difference]: Start difference. First operand has 311 places, 521 transitions, 2772 flow. Second operand 6 states and 1484 transitions. [2024-11-19 05:50:15,986 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 578 transitions, 3716 flow [2024-11-19 05:50:16,010 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 316 places, 578 transitions, 3680 flow, removed 18 selfloop flow, removed 0 redundant places. [2024-11-19 05:50:16,019 INFO L231 Difference]: Finished difference. Result has 321 places, 570 transitions, 3362 flow [2024-11-19 05:50:16,019 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=293, PETRI_DIFFERENCE_MINUEND_FLOW=2736, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=521, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=483, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=3362, PETRI_PLACES=321, PETRI_TRANSITIONS=570} [2024-11-19 05:50:16,020 INFO L277 CegarLoopForPetriNet]: 296 programPoint places, 25 predicate places. [2024-11-19 05:50:16,020 INFO L471 AbstractCegarLoop]: Abstraction has has 321 places, 570 transitions, 3362 flow [2024-11-19 05:50:16,021 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 235.16666666666666) internal successors, (1411), 6 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:16,021 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:16,021 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:50:16,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-19 05:50:16,022 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-19 05:50:16,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:16,023 INFO L85 PathProgramCache]: Analyzing trace with hash 1283758768, now seen corresponding path program 1 times [2024-11-19 05:50:16,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:16,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740624678] [2024-11-19 05:50:16,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:50:16,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:16,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:50:17,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:17,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:17,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740624678] [2024-11-19 05:50:17,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740624678] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:17,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:17,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-19 05:50:17,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293363744] [2024-11-19 05:50:17,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:17,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 05:50:17,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:17,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 05:50:17,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-19 05:50:18,488 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 293 [2024-11-19 05:50:18,491 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 321 places, 570 transitions, 3362 flow. Second operand has 13 states, 13 states have (on average 219.69230769230768) internal successors, (2856), 13 states have internal predecessors, (2856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:18,491 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:18,491 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 293 [2024-11-19 05:50:18,491 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:20,282 INFO L124 PetriNetUnfolderBase]: 1482/5034 cut-off events. [2024-11-19 05:50:20,283 INFO L125 PetriNetUnfolderBase]: For 8565/8665 co-relation queries the response was YES. [2024-11-19 05:50:20,303 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16029 conditions, 5034 events. 1482/5034 cut-off events. For 8565/8665 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 40127 event pairs, 100 based on Foata normal form. 47/4999 useless extension candidates. Maximal degree in co-relation 15887. Up to 955 conditions per place. [2024-11-19 05:50:20,325 INFO L140 encePairwiseOnDemand]: 260/293 looper letters, 442 selfloop transitions, 192 changer transitions 1/881 dead transitions. [2024-11-19 05:50:20,325 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 339 places, 881 transitions, 7168 flow [2024-11-19 05:50:20,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-19 05:50:20,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-19 05:50:20,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 4321 transitions. [2024-11-19 05:50:20,335 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.776181067001976 [2024-11-19 05:50:20,336 INFO L175 Difference]: Start difference. First operand has 321 places, 570 transitions, 3362 flow. Second operand 19 states and 4321 transitions. [2024-11-19 05:50:20,336 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 339 places, 881 transitions, 7168 flow [2024-11-19 05:50:20,386 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 339 places, 881 transitions, 6986 flow, removed 91 selfloop flow, removed 0 redundant places. [2024-11-19 05:50:20,399 INFO L231 Difference]: Finished difference. Result has 348 places, 701 transitions, 5266 flow [2024-11-19 05:50:20,400 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=293, PETRI_DIFFERENCE_MINUEND_FLOW=3250, PETRI_DIFFERENCE_MINUEND_PLACES=321, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=570, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=77, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=405, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=5266, PETRI_PLACES=348, PETRI_TRANSITIONS=701} [2024-11-19 05:50:20,401 INFO L277 CegarLoopForPetriNet]: 296 programPoint places, 52 predicate places. [2024-11-19 05:50:20,401 INFO L471 AbstractCegarLoop]: Abstraction has has 348 places, 701 transitions, 5266 flow [2024-11-19 05:50:20,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 219.69230769230768) internal successors, (2856), 13 states have internal predecessors, (2856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:20,402 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:20,403 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:50:20,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-19 05:50:20,404 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-19 05:50:20,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:20,404 INFO L85 PathProgramCache]: Analyzing trace with hash 449689358, now seen corresponding path program 2 times [2024-11-19 05:50:20,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:20,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474415208] [2024-11-19 05:50:20,405 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 05:50:20,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:20,455 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 05:50:20,456 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:50:21,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:21,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:21,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474415208] [2024-11-19 05:50:21,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474415208] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:21,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:21,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-19 05:50:21,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109755409] [2024-11-19 05:50:21,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:21,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 05:50:21,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:21,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 05:50:21,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-19 05:50:23,039 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 293 [2024-11-19 05:50:23,042 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 348 places, 701 transitions, 5266 flow. Second operand has 13 states, 13 states have (on average 219.69230769230768) internal successors, (2856), 13 states have internal predecessors, (2856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:23,042 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:23,042 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 293 [2024-11-19 05:50:23,042 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:25,070 INFO L124 PetriNetUnfolderBase]: 2096/7132 cut-off events. [2024-11-19 05:50:25,070 INFO L125 PetriNetUnfolderBase]: For 17130/17345 co-relation queries the response was YES. [2024-11-19 05:50:25,105 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24346 conditions, 7132 events. 2096/7132 cut-off events. For 17130/17345 co-relation queries the response was YES. Maximal size of possible extension queue 208. Compared 64366 event pairs, 150 based on Foata normal form. 82/7114 useless extension candidates. Maximal degree in co-relation 24191. Up to 1553 conditions per place. [2024-11-19 05:50:25,133 INFO L140 encePairwiseOnDemand]: 256/293 looper letters, 444 selfloop transitions, 258 changer transitions 4/952 dead transitions. [2024-11-19 05:50:25,133 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 361 places, 952 transitions, 8766 flow [2024-11-19 05:50:25,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-19 05:50:25,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-19 05:50:25,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 3289 transitions. [2024-11-19 05:50:25,140 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8018039980497318 [2024-11-19 05:50:25,140 INFO L175 Difference]: Start difference. First operand has 348 places, 701 transitions, 5266 flow. Second operand 14 states and 3289 transitions. [2024-11-19 05:50:25,141 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 361 places, 952 transitions, 8766 flow [2024-11-19 05:50:25,202 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 356 places, 952 transitions, 8703 flow, removed 14 selfloop flow, removed 5 redundant places. [2024-11-19 05:50:25,211 INFO L231 Difference]: Finished difference. Result has 366 places, 780 transitions, 7383 flow [2024-11-19 05:50:25,212 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=293, PETRI_DIFFERENCE_MINUEND_FLOW=5225, PETRI_DIFFERENCE_MINUEND_PLACES=343, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=701, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=179, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=448, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=7383, PETRI_PLACES=366, PETRI_TRANSITIONS=780} [2024-11-19 05:50:25,212 INFO L277 CegarLoopForPetriNet]: 296 programPoint places, 70 predicate places. [2024-11-19 05:50:25,213 INFO L471 AbstractCegarLoop]: Abstraction has has 366 places, 780 transitions, 7383 flow [2024-11-19 05:50:25,214 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 219.69230769230768) internal successors, (2856), 13 states have internal predecessors, (2856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:25,214 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:25,214 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:50:25,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-19 05:50:25,214 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-19 05:50:25,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:25,215 INFO L85 PathProgramCache]: Analyzing trace with hash 1607427598, now seen corresponding path program 3 times [2024-11-19 05:50:25,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:25,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489533185] [2024-11-19 05:50:25,215 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 05:50:25,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:25,259 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-19 05:50:25,259 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:50:26,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:26,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:26,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489533185] [2024-11-19 05:50:26,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489533185] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:26,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:26,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-19 05:50:26,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204017821] [2024-11-19 05:50:26,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:26,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 05:50:26,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:26,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 05:50:26,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-11-19 05:50:27,108 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 293 [2024-11-19 05:50:27,111 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 366 places, 780 transitions, 7383 flow. Second operand has 13 states, 13 states have (on average 219.69230769230768) internal successors, (2856), 13 states have internal predecessors, (2856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:27,111 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:27,111 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 293 [2024-11-19 05:50:27,111 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:28,967 INFO L124 PetriNetUnfolderBase]: 2168/7348 cut-off events. [2024-11-19 05:50:28,967 INFO L125 PetriNetUnfolderBase]: For 26050/26280 co-relation queries the response was YES. [2024-11-19 05:50:29,003 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27164 conditions, 7348 events. 2168/7348 cut-off events. For 26050/26280 co-relation queries the response was YES. Maximal size of possible extension queue 208. Compared 66261 event pairs, 208 based on Foata normal form. 82/7316 useless extension candidates. Maximal degree in co-relation 26998. Up to 1395 conditions per place. [2024-11-19 05:50:29,034 INFO L140 encePairwiseOnDemand]: 268/293 looper letters, 538 selfloop transitions, 173 changer transitions 1/958 dead transitions. [2024-11-19 05:50:29,034 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 384 places, 958 transitions, 10427 flow [2024-11-19 05:50:29,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-19 05:50:29,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-19 05:50:29,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 4296 transitions. [2024-11-19 05:50:29,044 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7716903179450332 [2024-11-19 05:50:29,044 INFO L175 Difference]: Start difference. First operand has 366 places, 780 transitions, 7383 flow. Second operand 19 states and 4296 transitions. [2024-11-19 05:50:29,044 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 384 places, 958 transitions, 10427 flow [2024-11-19 05:50:29,395 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 381 places, 958 transitions, 10422 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-19 05:50:29,409 INFO L231 Difference]: Finished difference. Result has 390 places, 837 transitions, 8650 flow [2024-11-19 05:50:29,410 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=293, PETRI_DIFFERENCE_MINUEND_FLOW=7378, PETRI_DIFFERENCE_MINUEND_PLACES=363, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=780, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=116, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=623, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=8650, PETRI_PLACES=390, PETRI_TRANSITIONS=837} [2024-11-19 05:50:29,411 INFO L277 CegarLoopForPetriNet]: 296 programPoint places, 94 predicate places. [2024-11-19 05:50:29,411 INFO L471 AbstractCegarLoop]: Abstraction has has 390 places, 837 transitions, 8650 flow [2024-11-19 05:50:29,413 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 219.69230769230768) internal successors, (2856), 13 states have internal predecessors, (2856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:29,413 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:29,413 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:50:29,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-19 05:50:29,413 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-19 05:50:29,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:29,414 INFO L85 PathProgramCache]: Analyzing trace with hash -1006544148, now seen corresponding path program 4 times [2024-11-19 05:50:29,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:29,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763902430] [2024-11-19 05:50:29,414 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 05:50:29,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:29,463 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 05:50:29,464 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:50:30,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:30,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:30,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763902430] [2024-11-19 05:50:30,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763902430] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:30,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:30,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-19 05:50:30,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482029691] [2024-11-19 05:50:30,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:30,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 05:50:30,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:30,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 05:50:30,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-11-19 05:50:31,478 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 293 [2024-11-19 05:50:31,480 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 390 places, 837 transitions, 8650 flow. Second operand has 13 states, 13 states have (on average 219.69230769230768) internal successors, (2856), 13 states have internal predecessors, (2856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:31,481 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:31,481 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 293 [2024-11-19 05:50:31,481 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:34,019 INFO L124 PetriNetUnfolderBase]: 2794/9476 cut-off events. [2024-11-19 05:50:34,019 INFO L125 PetriNetUnfolderBase]: For 40773/41106 co-relation queries the response was YES. [2024-11-19 05:50:34,079 INFO L83 FinitePrefix]: Finished finitePrefix Result has 36378 conditions, 9476 events. 2794/9476 cut-off events. For 40773/41106 co-relation queries the response was YES. Maximal size of possible extension queue 295. Compared 92510 event pairs, 275 based on Foata normal form. 122/9465 useless extension candidates. Maximal degree in co-relation 36202. Up to 1814 conditions per place. [2024-11-19 05:50:34,122 INFO L140 encePairwiseOnDemand]: 256/293 looper letters, 548 selfloop transitions, 295 changer transitions 4/1093 dead transitions. [2024-11-19 05:50:34,122 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 404 places, 1093 transitions, 13078 flow [2024-11-19 05:50:34,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-19 05:50:34,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-19 05:50:34,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 3509 transitions. [2024-11-19 05:50:34,127 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7984072810011377 [2024-11-19 05:50:34,127 INFO L175 Difference]: Start difference. First operand has 390 places, 837 transitions, 8650 flow. Second operand 15 states and 3509 transitions. [2024-11-19 05:50:34,127 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 404 places, 1093 transitions, 13078 flow [2024-11-19 05:50:34,358 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 395 places, 1093 transitions, 12947 flow, removed 33 selfloop flow, removed 9 redundant places. [2024-11-19 05:50:34,374 INFO L231 Difference]: Finished difference. Result has 406 places, 923 transitions, 11320 flow [2024-11-19 05:50:34,375 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=293, PETRI_DIFFERENCE_MINUEND_FLOW=8554, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=837, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=210, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=551, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=11320, PETRI_PLACES=406, PETRI_TRANSITIONS=923} [2024-11-19 05:50:34,376 INFO L277 CegarLoopForPetriNet]: 296 programPoint places, 110 predicate places. [2024-11-19 05:50:34,376 INFO L471 AbstractCegarLoop]: Abstraction has has 406 places, 923 transitions, 11320 flow [2024-11-19 05:50:34,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 219.69230769230768) internal successors, (2856), 13 states have internal predecessors, (2856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:34,378 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:34,378 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:50:34,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-19 05:50:34,378 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-19 05:50:34,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:34,379 INFO L85 PathProgramCache]: Analyzing trace with hash 118760203, now seen corresponding path program 1 times [2024-11-19 05:50:34,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:34,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794482880] [2024-11-19 05:50:34,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:50:34,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:34,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:50:35,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:35,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:35,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794482880] [2024-11-19 05:50:35,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794482880] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:35,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:35,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-19 05:50:35,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205398228] [2024-11-19 05:50:35,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:35,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 05:50:35,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:35,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 05:50:35,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-11-19 05:50:36,472 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 218 out of 293 [2024-11-19 05:50:36,475 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 406 places, 923 transitions, 11320 flow. Second operand has 13 states, 13 states have (on average 221.69230769230768) internal successors, (2882), 13 states have internal predecessors, (2882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:36,475 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:36,475 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 218 of 293 [2024-11-19 05:50:36,475 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:39,429 INFO L124 PetriNetUnfolderBase]: 3320/10585 cut-off events. [2024-11-19 05:50:39,430 INFO L125 PetriNetUnfolderBase]: For 55051/55369 co-relation queries the response was YES. [2024-11-19 05:50:39,481 INFO L83 FinitePrefix]: Finished finitePrefix Result has 43492 conditions, 10585 events. 3320/10585 cut-off events. For 55051/55369 co-relation queries the response was YES. Maximal size of possible extension queue 330. Compared 102954 event pairs, 434 based on Foata normal form. 60/10447 useless extension candidates. Maximal degree in co-relation 43305. Up to 2371 conditions per place. [2024-11-19 05:50:39,587 INFO L140 encePairwiseOnDemand]: 272/293 looper letters, 504 selfloop transitions, 173 changer transitions 0/1061 dead transitions. [2024-11-19 05:50:39,587 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 419 places, 1061 transitions, 14308 flow [2024-11-19 05:50:39,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-19 05:50:39,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-19 05:50:39,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 3232 transitions. [2024-11-19 05:50:39,593 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.787908337396392 [2024-11-19 05:50:39,593 INFO L175 Difference]: Start difference. First operand has 406 places, 923 transitions, 11320 flow. Second operand 14 states and 3232 transitions. [2024-11-19 05:50:39,593 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 419 places, 1061 transitions, 14308 flow [2024-11-19 05:50:39,828 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 416 places, 1061 transitions, 14269 flow, removed 17 selfloop flow, removed 3 redundant places. [2024-11-19 05:50:39,841 INFO L231 Difference]: Finished difference. Result has 421 places, 938 transitions, 12103 flow [2024-11-19 05:50:39,841 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=293, PETRI_DIFFERENCE_MINUEND_FLOW=11289, PETRI_DIFFERENCE_MINUEND_PLACES=403, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=923, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=158, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=753, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=12103, PETRI_PLACES=421, PETRI_TRANSITIONS=938} [2024-11-19 05:50:39,842 INFO L277 CegarLoopForPetriNet]: 296 programPoint places, 125 predicate places. [2024-11-19 05:50:39,842 INFO L471 AbstractCegarLoop]: Abstraction has has 421 places, 938 transitions, 12103 flow [2024-11-19 05:50:39,843 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 221.69230769230768) internal successors, (2882), 13 states have internal predecessors, (2882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:39,844 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:39,844 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:50:39,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-19 05:50:39,844 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-19 05:50:39,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:39,845 INFO L85 PathProgramCache]: Analyzing trace with hash -812693156, now seen corresponding path program 5 times [2024-11-19 05:50:39,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:39,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251088462] [2024-11-19 05:50:39,845 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 05:50:39,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:39,887 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 05:50:39,888 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:50:40,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:40,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:40,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251088462] [2024-11-19 05:50:40,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251088462] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:40,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:40,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-19 05:50:40,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553801383] [2024-11-19 05:50:40,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:40,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 05:50:40,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:40,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 05:50:40,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-19 05:50:42,299 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 293 [2024-11-19 05:50:42,301 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 421 places, 938 transitions, 12103 flow. Second operand has 13 states, 13 states have (on average 219.69230769230768) internal successors, (2856), 13 states have internal predecessors, (2856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:42,301 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:42,302 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 293 [2024-11-19 05:50:42,302 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:45,794 INFO L124 PetriNetUnfolderBase]: 3938/13413 cut-off events. [2024-11-19 05:50:45,795 INFO L125 PetriNetUnfolderBase]: For 80202/80829 co-relation queries the response was YES. [2024-11-19 05:50:45,888 INFO L83 FinitePrefix]: Finished finitePrefix Result has 56388 conditions, 13413 events. 3938/13413 cut-off events. For 80202/80829 co-relation queries the response was YES. Maximal size of possible extension queue 447. Compared 144305 event pairs, 362 based on Foata normal form. 162/13381 useless extension candidates. Maximal degree in co-relation 56195. Up to 2936 conditions per place. [2024-11-19 05:50:45,929 INFO L140 encePairwiseOnDemand]: 257/293 looper letters, 521 selfloop transitions, 449 changer transitions 3/1225 dead transitions. [2024-11-19 05:50:45,930 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 435 places, 1225 transitions, 18098 flow [2024-11-19 05:50:45,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-19 05:50:45,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-19 05:50:45,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 3477 transitions. [2024-11-19 05:50:45,934 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7911262798634813 [2024-11-19 05:50:45,935 INFO L175 Difference]: Start difference. First operand has 421 places, 938 transitions, 12103 flow. Second operand 15 states and 3477 transitions. [2024-11-19 05:50:45,935 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 435 places, 1225 transitions, 18098 flow [2024-11-19 05:50:46,447 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 427 places, 1225 transitions, 17903 flow, removed 0 selfloop flow, removed 8 redundant places. [2024-11-19 05:50:46,465 INFO L231 Difference]: Finished difference. Result has 437 places, 1075 transitions, 16735 flow [2024-11-19 05:50:46,465 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=293, PETRI_DIFFERENCE_MINUEND_FLOW=11993, PETRI_DIFFERENCE_MINUEND_PLACES=413, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=938, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=320, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=516, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=16735, PETRI_PLACES=437, PETRI_TRANSITIONS=1075} [2024-11-19 05:50:46,466 INFO L277 CegarLoopForPetriNet]: 296 programPoint places, 141 predicate places. [2024-11-19 05:50:46,466 INFO L471 AbstractCegarLoop]: Abstraction has has 437 places, 1075 transitions, 16735 flow [2024-11-19 05:50:46,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 219.69230769230768) internal successors, (2856), 13 states have internal predecessors, (2856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:46,467 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:46,467 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:50:46,468 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-19 05:50:46,468 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-19 05:50:46,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:46,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1721565160, now seen corresponding path program 6 times [2024-11-19 05:50:46,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:46,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067926841] [2024-11-19 05:50:46,469 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-19 05:50:46,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:46,519 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2024-11-19 05:50:46,520 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:50:47,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:47,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:47,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067926841] [2024-11-19 05:50:47,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067926841] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:47,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:47,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-19 05:50:47,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732387861] [2024-11-19 05:50:47,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:47,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 05:50:47,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:47,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 05:50:47,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-11-19 05:50:48,584 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 293 [2024-11-19 05:50:48,586 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 437 places, 1075 transitions, 16735 flow. Second operand has 13 states, 13 states have (on average 219.69230769230768) internal successors, (2856), 13 states have internal predecessors, (2856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:48,587 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:48,587 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 293 [2024-11-19 05:50:48,587 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:52,816 INFO L124 PetriNetUnfolderBase]: 4275/14539 cut-off events. [2024-11-19 05:50:52,816 INFO L125 PetriNetUnfolderBase]: For 112929/113596 co-relation queries the response was YES. [2024-11-19 05:50:52,949 INFO L83 FinitePrefix]: Finished finitePrefix Result has 64000 conditions, 14539 events. 4275/14539 cut-off events. For 112929/113596 co-relation queries the response was YES. Maximal size of possible extension queue 497. Compared 159371 event pairs, 367 based on Foata normal form. 184/14519 useless extension candidates. Maximal degree in co-relation 63797. Up to 2833 conditions per place. [2024-11-19 05:50:52,991 INFO L140 encePairwiseOnDemand]: 260/293 looper letters, 520 selfloop transitions, 501 changer transitions 1/1274 dead transitions. [2024-11-19 05:50:52,991 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 454 places, 1274 transitions, 21949 flow [2024-11-19 05:50:52,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-19 05:50:52,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-11-19 05:50:52,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 4093 transitions. [2024-11-19 05:50:52,994 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7760712931361395 [2024-11-19 05:50:52,994 INFO L175 Difference]: Start difference. First operand has 437 places, 1075 transitions, 16735 flow. Second operand 18 states and 4093 transitions. [2024-11-19 05:50:52,994 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 454 places, 1274 transitions, 21949 flow [2024-11-19 05:50:53,396 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 451 places, 1274 transitions, 21862 flow, removed 41 selfloop flow, removed 3 redundant places. [2024-11-19 05:50:53,531 INFO L231 Difference]: Finished difference. Result has 459 places, 1147 transitions, 20449 flow [2024-11-19 05:50:53,532 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=293, PETRI_DIFFERENCE_MINUEND_FLOW=16670, PETRI_DIFFERENCE_MINUEND_PLACES=434, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1075, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=429, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=579, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=20449, PETRI_PLACES=459, PETRI_TRANSITIONS=1147} [2024-11-19 05:50:53,533 INFO L277 CegarLoopForPetriNet]: 296 programPoint places, 163 predicate places. [2024-11-19 05:50:53,533 INFO L471 AbstractCegarLoop]: Abstraction has has 459 places, 1147 transitions, 20449 flow [2024-11-19 05:50:53,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 219.69230769230768) internal successors, (2856), 13 states have internal predecessors, (2856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:53,535 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:53,535 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:50:53,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-19 05:50:53,535 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-19 05:50:53,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:53,536 INFO L85 PathProgramCache]: Analyzing trace with hash 2139935972, now seen corresponding path program 7 times [2024-11-19 05:50:53,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:53,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695135926] [2024-11-19 05:50:53,536 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-19 05:50:53,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:53,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:50:54,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:54,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:54,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695135926] [2024-11-19 05:50:54,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695135926] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:54,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:54,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-19 05:50:54,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415660402] [2024-11-19 05:50:54,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:54,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 05:50:54,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:54,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 05:50:54,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-11-19 05:50:55,245 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 293 [2024-11-19 05:50:55,247 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 459 places, 1147 transitions, 20449 flow. Second operand has 13 states, 13 states have (on average 219.69230769230768) internal successors, (2856), 13 states have internal predecessors, (2856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:55,247 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:55,247 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 293 [2024-11-19 05:50:55,247 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:51:01,377 INFO L124 PetriNetUnfolderBase]: 5581/18896 cut-off events. [2024-11-19 05:51:01,377 INFO L125 PetriNetUnfolderBase]: For 168556/169551 co-relation queries the response was YES. [2024-11-19 05:51:01,786 INFO L83 FinitePrefix]: Finished finitePrefix Result has 84657 conditions, 18896 events. 5581/18896 cut-off events. For 168556/169551 co-relation queries the response was YES. Maximal size of possible extension queue 685. Compared 220582 event pairs, 421 based on Foata normal form. 299/18936 useless extension candidates. Maximal degree in co-relation 84445. Up to 3902 conditions per place. [2024-11-19 05:51:01,854 INFO L140 encePairwiseOnDemand]: 256/293 looper letters, 575 selfloop transitions, 605 changer transitions 4/1436 dead transitions. [2024-11-19 05:51:01,854 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 478 places, 1436 transitions, 27865 flow [2024-11-19 05:51:01,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-19 05:51:01,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-11-19 05:51:01,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 4588 transitions. [2024-11-19 05:51:01,859 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7829351535836178 [2024-11-19 05:51:01,859 INFO L175 Difference]: Start difference. First operand has 459 places, 1147 transitions, 20449 flow. Second operand 20 states and 4588 transitions. [2024-11-19 05:51:01,859 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 478 places, 1436 transitions, 27865 flow [2024-11-19 05:51:02,610 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 469 places, 1436 transitions, 27790 flow, removed 2 selfloop flow, removed 9 redundant places. [2024-11-19 05:51:02,636 INFO L231 Difference]: Finished difference. Result has 480 places, 1273 transitions, 26301 flow [2024-11-19 05:51:02,637 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=293, PETRI_DIFFERENCE_MINUEND_FLOW=20380, PETRI_DIFFERENCE_MINUEND_PLACES=450, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1147, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=479, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=550, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=26301, PETRI_PLACES=480, PETRI_TRANSITIONS=1273} [2024-11-19 05:51:02,637 INFO L277 CegarLoopForPetriNet]: 296 programPoint places, 184 predicate places. [2024-11-19 05:51:02,637 INFO L471 AbstractCegarLoop]: Abstraction has has 480 places, 1273 transitions, 26301 flow [2024-11-19 05:51:02,638 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 219.69230769230768) internal successors, (2856), 13 states have internal predecessors, (2856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:51:02,638 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:51:02,638 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:51:02,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-19 05:51:02,639 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-19 05:51:02,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:51:02,639 INFO L85 PathProgramCache]: Analyzing trace with hash 2062492008, now seen corresponding path program 8 times [2024-11-19 05:51:02,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:51:02,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620262856] [2024-11-19 05:51:02,640 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 05:51:02,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:51:02,694 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 05:51:02,695 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:51:03,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:51:03,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:51:03,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620262856] [2024-11-19 05:51:03,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620262856] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:51:03,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:51:03,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-19 05:51:03,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601329420] [2024-11-19 05:51:03,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:51:03,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 05:51:03,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:51:03,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 05:51:03,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-11-19 05:51:04,714 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 293 [2024-11-19 05:51:04,715 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 480 places, 1273 transitions, 26301 flow. Second operand has 13 states, 13 states have (on average 219.69230769230768) internal successors, (2856), 13 states have internal predecessors, (2856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:51:04,716 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:51:04,716 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 293 [2024-11-19 05:51:04,716 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:51:11,558 INFO L124 PetriNetUnfolderBase]: 5953/20172 cut-off events. [2024-11-19 05:51:11,558 INFO L125 PetriNetUnfolderBase]: For 229254/230583 co-relation queries the response was YES. [2024-11-19 05:51:11,848 INFO L83 FinitePrefix]: Finished finitePrefix Result has 94894 conditions, 20172 events. 5953/20172 cut-off events. For 229254/230583 co-relation queries the response was YES. Maximal size of possible extension queue 736. Compared 238559 event pairs, 531 based on Foata normal form. 472/20361 useless extension candidates. Maximal degree in co-relation 94671. Up to 3957 conditions per place. [2024-11-19 05:51:11,912 INFO L140 encePairwiseOnDemand]: 260/293 looper letters, 674 selfloop transitions, 610 changer transitions 1/1537 dead transitions. [2024-11-19 05:51:11,912 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 498 places, 1537 transitions, 33647 flow [2024-11-19 05:51:11,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-19 05:51:11,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-19 05:51:11,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 4322 transitions. [2024-11-19 05:51:11,915 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7763606969642536 [2024-11-19 05:51:11,915 INFO L175 Difference]: Start difference. First operand has 480 places, 1273 transitions, 26301 flow. Second operand 19 states and 4322 transitions. [2024-11-19 05:51:11,916 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 498 places, 1537 transitions, 33647 flow [2024-11-19 05:51:13,055 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 491 places, 1537 transitions, 33555 flow, removed 30 selfloop flow, removed 7 redundant places. [2024-11-19 05:51:13,080 INFO L231 Difference]: Finished difference. Result has 498 places, 1364 transitions, 30829 flow [2024-11-19 05:51:13,081 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=293, PETRI_DIFFERENCE_MINUEND_FLOW=26213, PETRI_DIFFERENCE_MINUEND_PLACES=473, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1273, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=521, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=669, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=30829, PETRI_PLACES=498, PETRI_TRANSITIONS=1364} [2024-11-19 05:51:13,081 INFO L277 CegarLoopForPetriNet]: 296 programPoint places, 202 predicate places. [2024-11-19 05:51:13,081 INFO L471 AbstractCegarLoop]: Abstraction has has 498 places, 1364 transitions, 30829 flow [2024-11-19 05:51:13,082 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 219.69230769230768) internal successors, (2856), 13 states have internal predecessors, (2856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:51:13,082 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:51:13,082 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:51:13,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-19 05:51:13,083 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-19 05:51:13,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:51:13,083 INFO L85 PathProgramCache]: Analyzing trace with hash 270774550, now seen corresponding path program 9 times [2024-11-19 05:51:13,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:51:13,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912849810] [2024-11-19 05:51:13,083 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 05:51:13,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:51:13,117 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-19 05:51:13,117 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:51:14,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:51:14,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:51:14,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912849810] [2024-11-19 05:51:14,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912849810] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:51:14,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:51:14,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-19 05:51:14,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042589036] [2024-11-19 05:51:14,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:51:14,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 05:51:14,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:51:14,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 05:51:14,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-19 05:51:15,437 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 293 [2024-11-19 05:51:15,439 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 498 places, 1364 transitions, 30829 flow. Second operand has 13 states, 13 states have (on average 219.69230769230768) internal successors, (2856), 13 states have internal predecessors, (2856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:51:15,439 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:51:15,439 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 293 [2024-11-19 05:51:15,439 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand