/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg true --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.reach_error.function false -i ../../../trunk/examples/svcomp/ldv-races/race-2_5-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-30 01:04:36,715 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-30 01:04:36,797 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2023-11-30 01:04:36,827 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-30 01:04:36,827 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-30 01:04:36,828 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-30 01:04:36,829 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-30 01:04:36,829 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-30 01:04:36,829 INFO L153 SettingsManager]: * Use SBE=true [2023-11-30 01:04:36,833 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-30 01:04:36,833 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-30 01:04:36,834 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-30 01:04:36,834 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-30 01:04:36,835 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-30 01:04:36,835 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-30 01:04:36,836 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-30 01:04:36,836 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-30 01:04:36,836 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-30 01:04:36,836 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-30 01:04:36,836 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-30 01:04:36,837 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-30 01:04:36,837 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-30 01:04:36,838 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-30 01:04:36,838 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-30 01:04:36,838 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-30 01:04:36,838 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 01:04:36,838 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-30 01:04:36,839 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-30 01:04:36,839 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-30 01:04:36,839 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-30 01:04:36,840 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-30 01:04:36,840 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-30 01:04:36,840 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-30 01:04:36,841 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2023-11-30 01:04:37,061 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-30 01:04:37,082 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-30 01:04:37,085 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-30 01:04:37,086 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-30 01:04:37,086 INFO L274 PluginConnector]: CDTParser initialized [2023-11-30 01:04:37,087 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_5-container_of.i [2023-11-30 01:04:38,185 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-30 01:04:38,500 INFO L384 CDTParser]: Found 1 translation units. [2023-11-30 01:04:38,500 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_5-container_of.i [2023-11-30 01:04:38,525 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9ae9f520/76cf8eadf1f542dbaec090e7c4e554f4/FLAGa792007a6 [2023-11-30 01:04:38,539 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9ae9f520/76cf8eadf1f542dbaec090e7c4e554f4 [2023-11-30 01:04:38,542 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-30 01:04:38,543 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-30 01:04:38,546 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-30 01:04:38,546 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-30 01:04:38,550 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-30 01:04:38,550 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:04:38" (1/1) ... [2023-11-30 01:04:38,551 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d4897b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:04:38, skipping insertion in model container [2023-11-30 01:04:38,552 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:04:38" (1/1) ... [2023-11-30 01:04:38,599 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-30 01:04:39,167 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 01:04:39,177 INFO L202 MainTranslator]: Completed pre-run [2023-11-30 01:04:39,260 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 01:04:39,325 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 01:04:39,325 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 01:04:39,331 INFO L206 MainTranslator]: Completed translation [2023-11-30 01:04:39,332 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:04:39 WrapperNode [2023-11-30 01:04:39,332 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-30 01:04:39,333 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-30 01:04:39,333 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-30 01:04:39,333 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-30 01:04:39,339 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:04:39" (1/1) ... [2023-11-30 01:04:39,362 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:04:39" (1/1) ... [2023-11-30 01:04:39,395 INFO L138 Inliner]: procedures = 469, calls = 64, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 244 [2023-11-30 01:04:39,395 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-30 01:04:39,396 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-30 01:04:39,396 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-30 01:04:39,396 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-30 01:04:39,404 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:04:39" (1/1) ... [2023-11-30 01:04:39,405 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:04:39" (1/1) ... [2023-11-30 01:04:39,411 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:04:39" (1/1) ... [2023-11-30 01:04:39,411 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:04:39" (1/1) ... [2023-11-30 01:04:39,431 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:04:39" (1/1) ... [2023-11-30 01:04:39,434 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:04:39" (1/1) ... [2023-11-30 01:04:39,438 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:04:39" (1/1) ... [2023-11-30 01:04:39,441 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:04:39" (1/1) ... [2023-11-30 01:04:39,447 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-30 01:04:39,449 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-30 01:04:39,449 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-30 01:04:39,449 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-30 01:04:39,449 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:04:39" (1/1) ... [2023-11-30 01:04:39,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 01:04:39,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 01:04:39,501 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-30 01:04:39,533 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-30 01:04:39,545 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-30 01:04:39,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-30 01:04:39,545 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-30 01:04:39,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-30 01:04:39,545 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-30 01:04:39,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-30 01:04:39,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-30 01:04:39,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-30 01:04:39,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-30 01:04:39,547 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-11-30 01:04:39,547 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-11-30 01:04:39,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-30 01:04:39,547 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-30 01:04:39,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-30 01:04:39,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-30 01:04:39,549 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-30 01:04:39,848 INFO L241 CfgBuilder]: Building ICFG [2023-11-30 01:04:39,849 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-30 01:04:40,292 INFO L282 CfgBuilder]: Performing block encoding [2023-11-30 01:04:40,410 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-30 01:04:40,411 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-30 01:04:40,413 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:04:40 BoogieIcfgContainer [2023-11-30 01:04:40,413 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-30 01:04:40,415 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-30 01:04:40,415 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-30 01:04:40,417 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-30 01:04:40,418 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 01:04:38" (1/3) ... [2023-11-30 01:04:40,418 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@103d0e94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:04:40, skipping insertion in model container [2023-11-30 01:04:40,418 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:04:39" (2/3) ... [2023-11-30 01:04:40,419 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@103d0e94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:04:40, skipping insertion in model container [2023-11-30 01:04:40,419 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:04:40" (3/3) ... [2023-11-30 01:04:40,420 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_5-container_of.i [2023-11-30 01:04:40,435 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-30 01:04:40,435 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2023-11-30 01:04:40,436 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-30 01:04:40,506 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-30 01:04:40,550 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 267 places, 271 transitions, 556 flow [2023-11-30 01:04:40,695 INFO L124 PetriNetUnfolderBase]: 14/359 cut-off events. [2023-11-30 01:04:40,696 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-30 01:04:40,704 INFO L83 FinitePrefix]: Finished finitePrefix Result has 368 conditions, 359 events. 14/359 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 790 event pairs, 0 based on Foata normal form. 0/318 useless extension candidates. Maximal degree in co-relation 176. Up to 4 conditions per place. [2023-11-30 01:04:40,705 INFO L82 GeneralOperation]: Start removeDead. Operand has 267 places, 271 transitions, 556 flow [2023-11-30 01:04:40,714 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 265 places, 268 transitions, 548 flow [2023-11-30 01:04:40,728 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-30 01:04:40,734 INFO L362 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, mHoare=true, 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;@34aa20f8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-30 01:04:40,735 INFO L363 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2023-11-30 01:04:40,745 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-30 01:04:40,745 INFO L124 PetriNetUnfolderBase]: 0/35 cut-off events. [2023-11-30 01:04:40,745 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 01:04:40,746 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:04:40,746 INFO L232 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] [2023-11-30 01:04:40,747 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:04:40,751 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:04:40,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1451915937, now seen corresponding path program 1 times [2023-11-30 01:04:40,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:04:40,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785151045] [2023-11-30 01:04:40,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:04:40,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:04:40,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:04:41,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 01:04:41,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:04:41,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785151045] [2023-11-30 01:04:41,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785151045] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:04:41,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:04:41,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 01:04:41,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106242104] [2023-11-30 01:04:41,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:04:41,722 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 01:04:41,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:04:41,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 01:04:41,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 01:04:41,761 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 271 [2023-11-30 01:04:41,764 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 265 places, 268 transitions, 548 flow. Second operand has 6 states, 6 states have (on average 163.83333333333334) internal successors, (983), 6 states have internal predecessors, (983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:04:41,765 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:04:41,765 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 271 [2023-11-30 01:04:41,766 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:04:42,839 INFO L124 PetriNetUnfolderBase]: 1946/5134 cut-off events. [2023-11-30 01:04:42,839 INFO L125 PetriNetUnfolderBase]: For 26/26 co-relation queries the response was YES. [2023-11-30 01:04:42,852 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8391 conditions, 5134 events. 1946/5134 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 177. Compared 41357 event pairs, 1945 based on Foata normal form. 152/4915 useless extension candidates. Maximal degree in co-relation 7872. Up to 3228 conditions per place. [2023-11-30 01:04:42,871 INFO L140 encePairwiseOnDemand]: 247/271 looper letters, 80 selfloop transitions, 5 changer transitions 24/237 dead transitions. [2023-11-30 01:04:42,871 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 247 places, 237 transitions, 658 flow [2023-11-30 01:04:42,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 01:04:42,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 01:04:42,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1077 transitions. [2023-11-30 01:04:42,887 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6623616236162362 [2023-11-30 01:04:42,888 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1077 transitions. [2023-11-30 01:04:42,888 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1077 transitions. [2023-11-30 01:04:42,891 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:04:42,893 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1077 transitions. [2023-11-30 01:04:42,898 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 179.5) internal successors, (1077), 6 states have internal predecessors, (1077), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:04:42,905 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:04:42,906 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:04:42,910 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, -18 predicate places. [2023-11-30 01:04:42,911 INFO L500 AbstractCegarLoop]: Abstraction has has 247 places, 237 transitions, 658 flow [2023-11-30 01:04:42,912 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 163.83333333333334) internal successors, (983), 6 states have internal predecessors, (983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:04:42,912 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:04:42,912 INFO L232 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] [2023-11-30 01:04:42,912 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-30 01:04:42,912 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:04:42,913 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:04:42,913 INFO L85 PathProgramCache]: Analyzing trace with hash -619353481, now seen corresponding path program 1 times [2023-11-30 01:04:42,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:04:42,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866665881] [2023-11-30 01:04:42,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:04:42,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:04:43,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:04:43,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 01:04:43,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:04:43,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866665881] [2023-11-30 01:04:43,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866665881] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:04:43,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:04:43,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 01:04:43,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821248610] [2023-11-30 01:04:43,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:04:43,355 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 01:04:43,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:04:43,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 01:04:43,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 01:04:43,358 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 271 [2023-11-30 01:04:43,359 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 247 places, 237 transitions, 658 flow. Second operand has 6 states, 6 states have (on average 164.83333333333334) internal successors, (989), 6 states have internal predecessors, (989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:04:43,360 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:04:43,360 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 271 [2023-11-30 01:04:43,360 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:04:44,399 INFO L124 PetriNetUnfolderBase]: 1946/5133 cut-off events. [2023-11-30 01:04:44,399 INFO L125 PetriNetUnfolderBase]: For 264/1020 co-relation queries the response was YES. [2023-11-30 01:04:44,409 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11621 conditions, 5133 events. 1946/5133 cut-off events. For 264/1020 co-relation queries the response was YES. Maximal size of possible extension queue 177. Compared 41271 event pairs, 1945 based on Foata normal form. 0/4763 useless extension candidates. Maximal degree in co-relation 10919. Up to 3227 conditions per place. [2023-11-30 01:04:44,433 INFO L140 encePairwiseOnDemand]: 265/271 looper letters, 79 selfloop transitions, 5 changer transitions 24/236 dead transitions. [2023-11-30 01:04:44,433 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 251 places, 236 transitions, 824 flow [2023-11-30 01:04:44,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 01:04:44,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 01:04:44,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1058 transitions. [2023-11-30 01:04:44,436 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6506765067650676 [2023-11-30 01:04:44,436 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1058 transitions. [2023-11-30 01:04:44,436 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1058 transitions. [2023-11-30 01:04:44,437 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:04:44,437 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1058 transitions. [2023-11-30 01:04:44,439 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 176.33333333333334) internal successors, (1058), 6 states have internal predecessors, (1058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:04:44,441 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:04:44,442 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:04:44,443 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, -14 predicate places. [2023-11-30 01:04:44,443 INFO L500 AbstractCegarLoop]: Abstraction has has 251 places, 236 transitions, 824 flow [2023-11-30 01:04:44,444 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 164.83333333333334) internal successors, (989), 6 states have internal predecessors, (989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:04:44,444 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:04:44,444 INFO L232 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] [2023-11-30 01:04:44,445 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-30 01:04:44,445 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:04:44,445 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:04:44,445 INFO L85 PathProgramCache]: Analyzing trace with hash 722038830, now seen corresponding path program 1 times [2023-11-30 01:04:44,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:04:44,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415459774] [2023-11-30 01:04:44,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:04:44,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:04:44,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:04:44,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 01:04:44,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:04:44,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415459774] [2023-11-30 01:04:44,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415459774] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:04:44,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:04:44,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 01:04:44,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389272676] [2023-11-30 01:04:44,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:04:44,907 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 01:04:44,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:04:44,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 01:04:44,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 01:04:44,912 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 271 [2023-11-30 01:04:44,914 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 251 places, 236 transitions, 824 flow. Second operand has 6 states, 6 states have (on average 158.33333333333334) internal successors, (950), 6 states have internal predecessors, (950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:04:44,914 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:04:44,914 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 271 [2023-11-30 01:04:44,918 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:04:46,468 INFO L124 PetriNetUnfolderBase]: 2858/6440 cut-off events. [2023-11-30 01:04:46,468 INFO L125 PetriNetUnfolderBase]: For 1826/2266 co-relation queries the response was YES. [2023-11-30 01:04:46,481 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19664 conditions, 6440 events. 2858/6440 cut-off events. For 1826/2266 co-relation queries the response was YES. Maximal size of possible extension queue 260. Compared 50596 event pairs, 2397 based on Foata normal form. 0/6074 useless extension candidates. Maximal degree in co-relation 18774. Up to 4329 conditions per place. [2023-11-30 01:04:46,513 INFO L140 encePairwiseOnDemand]: 258/271 looper letters, 102 selfloop transitions, 30 changer transitions 24/281 dead transitions. [2023-11-30 01:04:46,513 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 256 places, 281 transitions, 1364 flow [2023-11-30 01:04:46,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 01:04:46,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 01:04:46,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1068 transitions. [2023-11-30 01:04:46,516 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6568265682656826 [2023-11-30 01:04:46,516 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1068 transitions. [2023-11-30 01:04:46,516 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1068 transitions. [2023-11-30 01:04:46,517 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:04:46,517 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1068 transitions. [2023-11-30 01:04:46,519 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 178.0) internal successors, (1068), 6 states have internal predecessors, (1068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:04:46,521 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:04:46,522 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:04:46,523 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, -9 predicate places. [2023-11-30 01:04:46,523 INFO L500 AbstractCegarLoop]: Abstraction has has 256 places, 281 transitions, 1364 flow [2023-11-30 01:04:46,524 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 158.33333333333334) internal successors, (950), 6 states have internal predecessors, (950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:04:46,524 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:04:46,524 INFO L232 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] [2023-11-30 01:04:46,524 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-30 01:04:46,524 INFO L425 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:04:46,525 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:04:46,525 INFO L85 PathProgramCache]: Analyzing trace with hash -551158662, now seen corresponding path program 1 times [2023-11-30 01:04:46,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:04:46,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976364641] [2023-11-30 01:04:46,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:04:46,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:04:46,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:04:46,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 01:04:46,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:04:46,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976364641] [2023-11-30 01:04:46,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976364641] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:04:46,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:04:46,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 01:04:46,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494780562] [2023-11-30 01:04:46,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:04:46,709 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-30 01:04:46,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:04:46,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-30 01:04:46,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-30 01:04:46,718 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 218 out of 271 [2023-11-30 01:04:46,720 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 256 places, 281 transitions, 1364 flow. Second operand has 5 states, 5 states have (on average 219.8) internal successors, (1099), 5 states have internal predecessors, (1099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:04:46,720 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:04:46,720 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 218 of 271 [2023-11-30 01:04:46,720 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:04:47,791 INFO L124 PetriNetUnfolderBase]: 3277/7118 cut-off events. [2023-11-30 01:04:47,791 INFO L125 PetriNetUnfolderBase]: For 6236/7163 co-relation queries the response was YES. [2023-11-30 01:04:47,806 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25350 conditions, 7118 events. 3277/7118 cut-off events. For 6236/7163 co-relation queries the response was YES. Maximal size of possible extension queue 266. Compared 54507 event pairs, 2817 based on Foata normal form. 0/6758 useless extension candidates. Maximal degree in co-relation 24248. Up to 4770 conditions per place. [2023-11-30 01:04:47,845 INFO L140 encePairwiseOnDemand]: 265/271 looper letters, 70 selfloop transitions, 4 changer transitions 26/288 dead transitions. [2023-11-30 01:04:47,845 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 261 places, 288 transitions, 1538 flow [2023-11-30 01:04:47,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 01:04:47,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 01:04:47,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1347 transitions. [2023-11-30 01:04:47,849 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8284132841328413 [2023-11-30 01:04:47,849 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1347 transitions. [2023-11-30 01:04:47,849 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1347 transitions. [2023-11-30 01:04:47,849 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:04:47,850 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1347 transitions. [2023-11-30 01:04:47,852 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 224.5) internal successors, (1347), 6 states have internal predecessors, (1347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:04:47,854 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:04:47,855 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:04:47,856 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, -4 predicate places. [2023-11-30 01:04:47,857 INFO L500 AbstractCegarLoop]: Abstraction has has 261 places, 288 transitions, 1538 flow [2023-11-30 01:04:47,857 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 219.8) internal successors, (1099), 5 states have internal predecessors, (1099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:04:47,857 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:04:47,857 INFO L232 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] [2023-11-30 01:04:47,858 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-30 01:04:47,858 INFO L425 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:04:47,858 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:04:47,858 INFO L85 PathProgramCache]: Analyzing trace with hash -3258242, now seen corresponding path program 1 times [2023-11-30 01:04:47,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:04:47,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053952661] [2023-11-30 01:04:47,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:04:47,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:04:47,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:04:48,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 01:04:48,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:04:48,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053952661] [2023-11-30 01:04:48,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053952661] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:04:48,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:04:48,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 01:04:48,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945649960] [2023-11-30 01:04:48,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:04:48,268 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 01:04:48,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:04:48,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 01:04:48,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 01:04:48,270 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 271 [2023-11-30 01:04:48,271 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 261 places, 288 transitions, 1538 flow. Second operand has 6 states, 6 states have (on average 159.33333333333334) internal successors, (956), 6 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:04:48,271 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:04:48,271 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 271 [2023-11-30 01:04:48,271 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:04:49,988 INFO L124 PetriNetUnfolderBase]: 3649/7746 cut-off events. [2023-11-30 01:04:49,988 INFO L125 PetriNetUnfolderBase]: For 8537/9786 co-relation queries the response was YES. [2023-11-30 01:04:50,003 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33438 conditions, 7746 events. 3649/7746 cut-off events. For 8537/9786 co-relation queries the response was YES. Maximal size of possible extension queue 279. Compared 59761 event pairs, 2729 based on Foata normal form. 0/7392 useless extension candidates. Maximal degree in co-relation 32129. Up to 5264 conditions per place. [2023-11-30 01:04:50,045 INFO L140 encePairwiseOnDemand]: 258/271 looper letters, 146 selfloop transitions, 30 changer transitions 26/333 dead transitions. [2023-11-30 01:04:50,046 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 266 places, 333 transitions, 2338 flow [2023-11-30 01:04:50,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 01:04:50,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 01:04:50,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1068 transitions. [2023-11-30 01:04:50,049 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6568265682656826 [2023-11-30 01:04:50,049 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1068 transitions. [2023-11-30 01:04:50,049 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1068 transitions. [2023-11-30 01:04:50,049 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:04:50,049 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1068 transitions. [2023-11-30 01:04:50,051 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 178.0) internal successors, (1068), 6 states have internal predecessors, (1068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:04:50,054 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:04:50,054 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:04:50,055 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, 1 predicate places. [2023-11-30 01:04:50,055 INFO L500 AbstractCegarLoop]: Abstraction has has 266 places, 333 transitions, 2338 flow [2023-11-30 01:04:50,055 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 159.33333333333334) internal successors, (956), 6 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:04:50,056 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:04:50,056 INFO L232 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] [2023-11-30 01:04:50,056 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-30 01:04:50,056 INFO L425 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:04:50,056 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:04:50,056 INFO L85 PathProgramCache]: Analyzing trace with hash 1414492935, now seen corresponding path program 1 times [2023-11-30 01:04:50,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:04:50,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089243763] [2023-11-30 01:04:50,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:04:50,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:04:50,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:04:50,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 01:04:50,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:04:50,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089243763] [2023-11-30 01:04:50,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089243763] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:04:50,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:04:50,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 01:04:50,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549902716] [2023-11-30 01:04:50,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:04:50,485 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 01:04:50,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:04:50,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 01:04:50,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 01:04:50,487 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 167 out of 271 [2023-11-30 01:04:50,487 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 266 places, 333 transitions, 2338 flow. Second operand has 6 states, 6 states have (on average 170.5) internal successors, (1023), 6 states have internal predecessors, (1023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:04:50,488 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:04:50,488 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 271 [2023-11-30 01:04:50,488 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:04:52,062 INFO L124 PetriNetUnfolderBase]: 3940/8346 cut-off events. [2023-11-30 01:04:52,062 INFO L125 PetriNetUnfolderBase]: For 12933/14212 co-relation queries the response was YES. [2023-11-30 01:04:52,078 INFO L83 FinitePrefix]: Finished finitePrefix Result has 41830 conditions, 8346 events. 3940/8346 cut-off events. For 12933/14212 co-relation queries the response was YES. Maximal size of possible extension queue 328. Compared 65705 event pairs, 2585 based on Foata normal form. 0/8000 useless extension candidates. Maximal degree in co-relation 40194. Up to 5717 conditions per place. [2023-11-30 01:04:52,122 INFO L140 encePairwiseOnDemand]: 260/271 looper letters, 191 selfloop transitions, 22 changer transitions 26/379 dead transitions. [2023-11-30 01:04:52,123 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 271 places, 379 transitions, 3313 flow [2023-11-30 01:04:52,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 01:04:52,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 01:04:52,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1129 transitions. [2023-11-30 01:04:52,126 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6943419434194342 [2023-11-30 01:04:52,126 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1129 transitions. [2023-11-30 01:04:52,126 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1129 transitions. [2023-11-30 01:04:52,126 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:04:52,126 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1129 transitions. [2023-11-30 01:04:52,128 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 188.16666666666666) internal successors, (1129), 6 states have internal predecessors, (1129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:04:52,130 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:04:52,131 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:04:52,133 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, 6 predicate places. [2023-11-30 01:04:52,133 INFO L500 AbstractCegarLoop]: Abstraction has has 271 places, 379 transitions, 3313 flow [2023-11-30 01:04:52,134 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 170.5) internal successors, (1023), 6 states have internal predecessors, (1023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:04:52,134 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:04:52,134 INFO L232 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] [2023-11-30 01:04:52,134 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-30 01:04:52,134 INFO L425 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:04:52,134 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:04:52,134 INFO L85 PathProgramCache]: Analyzing trace with hash -1339920407, now seen corresponding path program 1 times [2023-11-30 01:04:52,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:04:52,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766953047] [2023-11-30 01:04:52,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:04:52,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:04:52,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:04:52,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 01:04:52,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:04:52,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766953047] [2023-11-30 01:04:52,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766953047] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:04:52,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:04:52,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 01:04:52,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2792509] [2023-11-30 01:04:52,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:04:52,537 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 01:04:52,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:04:52,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 01:04:52,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 01:04:52,539 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 271 [2023-11-30 01:04:52,540 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 271 places, 379 transitions, 3313 flow. Second operand has 6 states, 6 states have (on average 162.16666666666666) internal successors, (973), 6 states have internal predecessors, (973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:04:52,540 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:04:52,540 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 271 [2023-11-30 01:04:52,540 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:04:54,625 INFO L124 PetriNetUnfolderBase]: 4608/9735 cut-off events. [2023-11-30 01:04:54,625 INFO L125 PetriNetUnfolderBase]: For 16204/18141 co-relation queries the response was YES. [2023-11-30 01:04:54,638 INFO L83 FinitePrefix]: Finished finitePrefix Result has 56012 conditions, 9735 events. 4608/9735 cut-off events. For 16204/18141 co-relation queries the response was YES. Maximal size of possible extension queue 326. Compared 78159 event pairs, 2097 based on Foata normal form. 0/9328 useless extension candidates. Maximal degree in co-relation 54169. Up to 6794 conditions per place. [2023-11-30 01:04:54,696 INFO L140 encePairwiseOnDemand]: 254/271 looper letters, 244 selfloop transitions, 26 changer transitions 29/433 dead transitions. [2023-11-30 01:04:54,696 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 275 places, 433 transitions, 4577 flow [2023-11-30 01:04:54,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 01:04:54,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 01:04:54,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1088 transitions. [2023-11-30 01:04:54,699 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6691266912669127 [2023-11-30 01:04:54,699 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1088 transitions. [2023-11-30 01:04:54,699 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1088 transitions. [2023-11-30 01:04:54,700 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:04:54,700 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1088 transitions. [2023-11-30 01:04:54,702 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 181.33333333333334) internal successors, (1088), 6 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:04:54,704 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:04:54,704 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:04:54,705 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, 10 predicate places. [2023-11-30 01:04:54,705 INFO L500 AbstractCegarLoop]: Abstraction has has 275 places, 433 transitions, 4577 flow [2023-11-30 01:04:54,705 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 162.16666666666666) internal successors, (973), 6 states have internal predecessors, (973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:04:54,706 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:04:54,706 INFO L232 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] [2023-11-30 01:04:54,706 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-30 01:04:54,706 INFO L425 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:04:54,706 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:04:54,706 INFO L85 PathProgramCache]: Analyzing trace with hash 876880602, now seen corresponding path program 1 times [2023-11-30 01:04:54,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:04:54,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679517171] [2023-11-30 01:04:54,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:04:54,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:04:54,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:04:54,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 01:04:54,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:04:54,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679517171] [2023-11-30 01:04:54,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679517171] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:04:54,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:04:54,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 01:04:54,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047755374] [2023-11-30 01:04:54,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:04:54,825 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-30 01:04:54,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:04:54,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-30 01:04:54,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-30 01:04:54,826 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 218 out of 271 [2023-11-30 01:04:54,828 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 275 places, 433 transitions, 4577 flow. Second operand has 5 states, 5 states have (on average 220.6) internal successors, (1103), 5 states have internal predecessors, (1103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:04:54,828 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:04:54,828 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 218 of 271 [2023-11-30 01:04:54,828 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:04:55,395 INFO L124 PetriNetUnfolderBase]: 1216/2643 cut-off events. [2023-11-30 01:04:55,395 INFO L125 PetriNetUnfolderBase]: For 13584/14406 co-relation queries the response was YES. [2023-11-30 01:04:55,400 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16697 conditions, 2643 events. 1216/2643 cut-off events. For 13584/14406 co-relation queries the response was YES. Maximal size of possible extension queue 139. Compared 16908 event pairs, 46 based on Foata normal form. 0/2571 useless extension candidates. Maximal degree in co-relation 14736. Up to 1818 conditions per place. [2023-11-30 01:04:55,418 INFO L140 encePairwiseOnDemand]: 265/271 looper letters, 111 selfloop transitions, 4 changer transitions 29/326 dead transitions. [2023-11-30 01:04:55,419 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 277 places, 326 transitions, 3205 flow [2023-11-30 01:04:55,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 01:04:55,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 01:04:55,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1386 transitions. [2023-11-30 01:04:55,422 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8523985239852399 [2023-11-30 01:04:55,422 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1386 transitions. [2023-11-30 01:04:55,422 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1386 transitions. [2023-11-30 01:04:55,422 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:04:55,422 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1386 transitions. [2023-11-30 01:04:55,426 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 231.0) internal successors, (1386), 6 states have internal predecessors, (1386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:04:55,429 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:04:55,430 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:04:55,432 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, 12 predicate places. [2023-11-30 01:04:55,432 INFO L500 AbstractCegarLoop]: Abstraction has has 277 places, 326 transitions, 3205 flow [2023-11-30 01:04:55,433 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 220.6) internal successors, (1103), 5 states have internal predecessors, (1103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:04:55,433 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:04:55,433 INFO L232 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] [2023-11-30 01:04:55,433 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-30 01:04:55,433 INFO L425 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:04:55,433 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:04:55,433 INFO L85 PathProgramCache]: Analyzing trace with hash -1033934390, now seen corresponding path program 1 times [2023-11-30 01:04:55,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:04:55,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107487314] [2023-11-30 01:04:55,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:04:55,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:04:55,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:04:56,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 01:04:56,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:04:56,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107487314] [2023-11-30 01:04:56,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107487314] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:04:56,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:04:56,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-11-30 01:04:56,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272543144] [2023-11-30 01:04:56,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:04:56,465 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-11-30 01:04:56,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:04:56,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-11-30 01:04:56,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2023-11-30 01:04:56,467 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 271 [2023-11-30 01:04:56,470 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 277 places, 326 transitions, 3205 flow. Second operand has 19 states, 19 states have (on average 132.57894736842104) internal successors, (2519), 19 states have internal predecessors, (2519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:04:56,470 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:04:56,470 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 271 [2023-11-30 01:04:56,470 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:04:59,830 INFO L124 PetriNetUnfolderBase]: 3117/6090 cut-off events. [2023-11-30 01:04:59,830 INFO L125 PetriNetUnfolderBase]: For 40075/41054 co-relation queries the response was YES. [2023-11-30 01:04:59,842 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39116 conditions, 6090 events. 3117/6090 cut-off events. For 40075/41054 co-relation queries the response was YES. Maximal size of possible extension queue 211. Compared 42736 event pairs, 34 based on Foata normal form. 31/6028 useless extension candidates. Maximal degree in co-relation 36787. Up to 3681 conditions per place. [2023-11-30 01:04:59,880 INFO L140 encePairwiseOnDemand]: 244/271 looper letters, 766 selfloop transitions, 122 changer transitions 32/1021 dead transitions. [2023-11-30 01:04:59,881 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 324 places, 1021 transitions, 16141 flow [2023-11-30 01:04:59,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-11-30 01:04:59,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2023-11-30 01:04:59,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 6721 transitions. [2023-11-30 01:04:59,895 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5166820418204182 [2023-11-30 01:04:59,895 INFO L72 ComplementDD]: Start complementDD. Operand 48 states and 6721 transitions. [2023-11-30 01:04:59,895 INFO L73 IsDeterministic]: Start isDeterministic. Operand 48 states and 6721 transitions. [2023-11-30 01:04:59,898 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:04:59,898 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 48 states and 6721 transitions. [2023-11-30 01:04:59,910 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 49 states, 48 states have (on average 140.02083333333334) internal successors, (6721), 48 states have internal predecessors, (6721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:04:59,926 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 49 states, 49 states have (on average 271.0) internal successors, (13279), 49 states have internal predecessors, (13279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:04:59,929 INFO L81 ComplementDD]: Finished complementDD. Result has 49 states, 49 states have (on average 271.0) internal successors, (13279), 49 states have internal predecessors, (13279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:04:59,930 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, 59 predicate places. [2023-11-30 01:04:59,930 INFO L500 AbstractCegarLoop]: Abstraction has has 324 places, 1021 transitions, 16141 flow [2023-11-30 01:04:59,931 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 132.57894736842104) internal successors, (2519), 19 states have internal predecessors, (2519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:04:59,931 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:04:59,931 INFO L232 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] [2023-11-30 01:04:59,931 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-30 01:04:59,931 INFO L425 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:04:59,931 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:04:59,931 INFO L85 PathProgramCache]: Analyzing trace with hash 1255911680, now seen corresponding path program 2 times [2023-11-30 01:04:59,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:04:59,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711758407] [2023-11-30 01:04:59,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:04:59,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:04:59,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:05:00,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 01:05:00,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:05:00,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711758407] [2023-11-30 01:05:00,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711758407] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:05:00,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:05:00,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-30 01:05:00,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323999201] [2023-11-30 01:05:00,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:05:00,790 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 01:05:00,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:05:00,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 01:05:00,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2023-11-30 01:05:00,792 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 271 [2023-11-30 01:05:00,795 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 324 places, 1021 transitions, 16141 flow. Second operand has 20 states, 20 states have (on average 132.45) internal successors, (2649), 20 states have internal predecessors, (2649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:05:00,795 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:05:00,795 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 271 [2023-11-30 01:05:00,795 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:05:04,779 INFO L124 PetriNetUnfolderBase]: 3491/6835 cut-off events. [2023-11-30 01:05:04,779 INFO L125 PetriNetUnfolderBase]: For 51323/54042 co-relation queries the response was YES. [2023-11-30 01:05:04,801 INFO L83 FinitePrefix]: Finished finitePrefix Result has 49309 conditions, 6835 events. 3491/6835 cut-off events. For 51323/54042 co-relation queries the response was YES. Maximal size of possible extension queue 242. Compared 48877 event pairs, 75 based on Foata normal form. 388/7114 useless extension candidates. Maximal degree in co-relation 46305. Up to 4136 conditions per place. [2023-11-30 01:05:04,862 INFO L140 encePairwiseOnDemand]: 242/271 looper letters, 879 selfloop transitions, 164 changer transitions 32/1176 dead transitions. [2023-11-30 01:05:04,863 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 364 places, 1176 transitions, 21061 flow [2023-11-30 01:05:04,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-11-30 01:05:04,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2023-11-30 01:05:04,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 5759 transitions. [2023-11-30 01:05:04,875 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5183151831518316 [2023-11-30 01:05:04,875 INFO L72 ComplementDD]: Start complementDD. Operand 41 states and 5759 transitions. [2023-11-30 01:05:04,875 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 5759 transitions. [2023-11-30 01:05:04,877 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:05:04,877 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 41 states and 5759 transitions. [2023-11-30 01:05:04,899 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 42 states, 41 states have (on average 140.46341463414635) internal successors, (5759), 41 states have internal predecessors, (5759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:05:04,916 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 42 states, 42 states have (on average 271.0) internal successors, (11382), 42 states have internal predecessors, (11382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:05:04,918 INFO L81 ComplementDD]: Finished complementDD. Result has 42 states, 42 states have (on average 271.0) internal successors, (11382), 42 states have internal predecessors, (11382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:05:04,919 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, 99 predicate places. [2023-11-30 01:05:04,919 INFO L500 AbstractCegarLoop]: Abstraction has has 364 places, 1176 transitions, 21061 flow [2023-11-30 01:05:04,920 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 132.45) internal successors, (2649), 20 states have internal predecessors, (2649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:05:04,920 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:05:04,920 INFO L232 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] [2023-11-30 01:05:04,920 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-30 01:05:04,921 INFO L425 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:05:04,921 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:05:04,921 INFO L85 PathProgramCache]: Analyzing trace with hash -599317766, now seen corresponding path program 3 times [2023-11-30 01:05:04,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:05:04,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519543951] [2023-11-30 01:05:04,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:05:04,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:05:04,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:05:05,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 01:05:05,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:05:05,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519543951] [2023-11-30 01:05:05,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519543951] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:05:05,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:05:05,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-30 01:05:05,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183409520] [2023-11-30 01:05:05,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:05:05,798 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 01:05:05,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:05:05,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 01:05:05,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2023-11-30 01:05:05,801 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 271 [2023-11-30 01:05:05,803 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 364 places, 1176 transitions, 21061 flow. Second operand has 20 states, 20 states have (on average 132.45) internal successors, (2649), 20 states have internal predecessors, (2649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:05:05,803 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:05:05,803 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 271 [2023-11-30 01:05:05,803 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:05:09,549 INFO L124 PetriNetUnfolderBase]: 3796/7302 cut-off events. [2023-11-30 01:05:09,549 INFO L125 PetriNetUnfolderBase]: For 68781/70880 co-relation queries the response was YES. [2023-11-30 01:05:09,568 INFO L83 FinitePrefix]: Finished finitePrefix Result has 60287 conditions, 7302 events. 3796/7302 cut-off events. For 68781/70880 co-relation queries the response was YES. Maximal size of possible extension queue 264. Compared 52137 event pairs, 39 based on Foata normal form. 567/7763 useless extension candidates. Maximal degree in co-relation 58932. Up to 4647 conditions per place. [2023-11-30 01:05:09,627 INFO L140 encePairwiseOnDemand]: 242/271 looper letters, 934 selfloop transitions, 193 changer transitions 32/1260 dead transitions. [2023-11-30 01:05:09,627 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 406 places, 1260 transitions, 25113 flow [2023-11-30 01:05:09,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-11-30 01:05:09,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2023-11-30 01:05:09,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 6037 transitions. [2023-11-30 01:05:09,637 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5180640178494809 [2023-11-30 01:05:09,638 INFO L72 ComplementDD]: Start complementDD. Operand 43 states and 6037 transitions. [2023-11-30 01:05:09,638 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 6037 transitions. [2023-11-30 01:05:09,640 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:05:09,640 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 43 states and 6037 transitions. [2023-11-30 01:05:09,650 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 44 states, 43 states have (on average 140.3953488372093) internal successors, (6037), 43 states have internal predecessors, (6037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:05:09,661 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 44 states, 44 states have (on average 271.0) internal successors, (11924), 44 states have internal predecessors, (11924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:05:09,663 INFO L81 ComplementDD]: Finished complementDD. Result has 44 states, 44 states have (on average 271.0) internal successors, (11924), 44 states have internal predecessors, (11924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:05:09,664 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, 141 predicate places. [2023-11-30 01:05:09,664 INFO L500 AbstractCegarLoop]: Abstraction has has 406 places, 1260 transitions, 25113 flow [2023-11-30 01:05:09,665 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 132.45) internal successors, (2649), 20 states have internal predecessors, (2649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:05:09,665 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:05:09,665 INFO L232 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] [2023-11-30 01:05:09,665 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-30 01:05:09,665 INFO L425 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:05:09,665 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:05:09,666 INFO L85 PathProgramCache]: Analyzing trace with hash -933040518, now seen corresponding path program 4 times [2023-11-30 01:05:09,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:05:09,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129779129] [2023-11-30 01:05:09,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:05:09,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:05:09,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:05:10,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 01:05:10,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:05:10,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129779129] [2023-11-30 01:05:10,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129779129] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:05:10,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:05:10,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-30 01:05:10,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879122717] [2023-11-30 01:05:10,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:05:10,566 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 01:05:10,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:05:10,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 01:05:10,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2023-11-30 01:05:10,569 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 271 [2023-11-30 01:05:10,571 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 406 places, 1260 transitions, 25113 flow. Second operand has 20 states, 20 states have (on average 132.45) internal successors, (2649), 20 states have internal predecessors, (2649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:05:10,571 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:05:10,571 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 271 [2023-11-30 01:05:10,571 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:05:15,114 INFO L124 PetriNetUnfolderBase]: 4351/8490 cut-off events. [2023-11-30 01:05:15,114 INFO L125 PetriNetUnfolderBase]: For 84610/87526 co-relation queries the response was YES. [2023-11-30 01:05:15,132 INFO L83 FinitePrefix]: Finished finitePrefix Result has 77866 conditions, 8490 events. 4351/8490 cut-off events. For 84610/87526 co-relation queries the response was YES. Maximal size of possible extension queue 330. Compared 63681 event pairs, 61 based on Foata normal form. 557/8923 useless extension candidates. Maximal degree in co-relation 73673. Up to 5552 conditions per place. [2023-11-30 01:05:15,204 INFO L140 encePairwiseOnDemand]: 242/271 looper letters, 1045 selfloop transitions, 248 changer transitions 32/1426 dead transitions. [2023-11-30 01:05:15,204 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 448 places, 1426 transitions, 31553 flow [2023-11-30 01:05:15,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-11-30 01:05:15,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2023-11-30 01:05:15,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 6053 transitions. [2023-11-30 01:05:15,213 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5194370548356646 [2023-11-30 01:05:15,213 INFO L72 ComplementDD]: Start complementDD. Operand 43 states and 6053 transitions. [2023-11-30 01:05:15,213 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 6053 transitions. [2023-11-30 01:05:15,215 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:05:15,215 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 43 states and 6053 transitions. [2023-11-30 01:05:15,224 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 44 states, 43 states have (on average 140.7674418604651) internal successors, (6053), 43 states have internal predecessors, (6053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:05:15,236 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 44 states, 44 states have (on average 271.0) internal successors, (11924), 44 states have internal predecessors, (11924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:05:15,238 INFO L81 ComplementDD]: Finished complementDD. Result has 44 states, 44 states have (on average 271.0) internal successors, (11924), 44 states have internal predecessors, (11924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:05:15,239 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, 183 predicate places. [2023-11-30 01:05:15,239 INFO L500 AbstractCegarLoop]: Abstraction has has 448 places, 1426 transitions, 31553 flow [2023-11-30 01:05:15,240 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 132.45) internal successors, (2649), 20 states have internal predecessors, (2649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:05:15,240 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:05:15,240 INFO L232 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] [2023-11-30 01:05:15,240 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-30 01:05:15,240 INFO L425 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:05:15,240 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:05:15,240 INFO L85 PathProgramCache]: Analyzing trace with hash -1670894150, now seen corresponding path program 5 times [2023-11-30 01:05:15,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:05:15,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791046720] [2023-11-30 01:05:15,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:05:15,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:05:15,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:05:16,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 01:05:16,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:05:16,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791046720] [2023-11-30 01:05:16,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791046720] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:05:16,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:05:16,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-30 01:05:16,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297164982] [2023-11-30 01:05:16,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:05:16,113 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 01:05:16,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:05:16,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 01:05:16,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2023-11-30 01:05:16,116 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 271 [2023-11-30 01:05:16,118 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 448 places, 1426 transitions, 31553 flow. Second operand has 20 states, 20 states have (on average 132.45) internal successors, (2649), 20 states have internal predecessors, (2649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:05:16,118 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:05:16,118 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 271 [2023-11-30 01:05:16,118 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:05:21,258 INFO L124 PetriNetUnfolderBase]: 4296/8547 cut-off events. [2023-11-30 01:05:21,258 INFO L125 PetriNetUnfolderBase]: For 92452/95564 co-relation queries the response was YES. [2023-11-30 01:05:21,273 INFO L83 FinitePrefix]: Finished finitePrefix Result has 84923 conditions, 8547 events. 4296/8547 cut-off events. For 92452/95564 co-relation queries the response was YES. Maximal size of possible extension queue 340. Compared 65366 event pairs, 39 based on Foata normal form. 547/8991 useless extension candidates. Maximal degree in co-relation 79486. Up to 5545 conditions per place. [2023-11-30 01:05:21,342 INFO L140 encePairwiseOnDemand]: 242/271 looper letters, 1100 selfloop transitions, 244 changer transitions 32/1477 dead transitions. [2023-11-30 01:05:21,343 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 490 places, 1477 transitions, 35581 flow [2023-11-30 01:05:21,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-11-30 01:05:21,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2023-11-30 01:05:21,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 6045 transitions. [2023-11-30 01:05:21,351 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5187505363425727 [2023-11-30 01:05:21,351 INFO L72 ComplementDD]: Start complementDD. Operand 43 states and 6045 transitions. [2023-11-30 01:05:21,351 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 6045 transitions. [2023-11-30 01:05:21,352 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:05:21,352 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 43 states and 6045 transitions. [2023-11-30 01:05:21,360 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 44 states, 43 states have (on average 140.58139534883722) internal successors, (6045), 43 states have internal predecessors, (6045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:05:21,370 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 44 states, 44 states have (on average 271.0) internal successors, (11924), 44 states have internal predecessors, (11924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:05:21,371 INFO L81 ComplementDD]: Finished complementDD. Result has 44 states, 44 states have (on average 271.0) internal successors, (11924), 44 states have internal predecessors, (11924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:05:21,372 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, 225 predicate places. [2023-11-30 01:05:21,372 INFO L500 AbstractCegarLoop]: Abstraction has has 490 places, 1477 transitions, 35581 flow [2023-11-30 01:05:21,373 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 132.45) internal successors, (2649), 20 states have internal predecessors, (2649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:05:21,373 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:05:21,373 INFO L232 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] [2023-11-30 01:05:21,373 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-30 01:05:21,373 INFO L425 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:05:21,374 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:05:21,374 INFO L85 PathProgramCache]: Analyzing trace with hash -761030978, now seen corresponding path program 6 times [2023-11-30 01:05:21,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:05:21,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930334473] [2023-11-30 01:05:21,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:05:21,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:05:21,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:05:22,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 01:05:22,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:05:22,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930334473] [2023-11-30 01:05:22,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930334473] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:05:22,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:05:22,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-30 01:05:22,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905712219] [2023-11-30 01:05:22,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:05:22,129 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 01:05:22,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:05:22,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 01:05:22,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2023-11-30 01:05:22,131 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 271 [2023-11-30 01:05:22,133 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 490 places, 1477 transitions, 35581 flow. Second operand has 20 states, 20 states have (on average 132.45) internal successors, (2649), 20 states have internal predecessors, (2649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:05:22,133 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:05:22,133 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 271 [2023-11-30 01:05:22,133 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:05:26,555 INFO L124 PetriNetUnfolderBase]: 4712/9431 cut-off events. [2023-11-30 01:05:26,555 INFO L125 PetriNetUnfolderBase]: For 115557/118215 co-relation queries the response was YES. [2023-11-30 01:05:26,570 INFO L83 FinitePrefix]: Finished finitePrefix Result has 101093 conditions, 9431 events. 4712/9431 cut-off events. For 115557/118215 co-relation queries the response was YES. Maximal size of possible extension queue 381. Compared 73913 event pairs, 56 based on Foata normal form. 355/9689 useless extension candidates. Maximal degree in co-relation 96016. Up to 6108 conditions per place. [2023-11-30 01:05:26,641 INFO L140 encePairwiseOnDemand]: 242/271 looper letters, 1325 selfloop transitions, 220 changer transitions 32/1678 dead transitions. [2023-11-30 01:05:26,641 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 521 places, 1678 transitions, 43948 flow [2023-11-30 01:05:26,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-11-30 01:05:26,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2023-11-30 01:05:26,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 4517 transitions. [2023-11-30 01:05:26,646 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5208717712177122 [2023-11-30 01:05:26,646 INFO L72 ComplementDD]: Start complementDD. Operand 32 states and 4517 transitions. [2023-11-30 01:05:26,646 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 4517 transitions. [2023-11-30 01:05:26,647 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:05:26,648 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 32 states and 4517 transitions. [2023-11-30 01:05:26,652 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 33 states, 32 states have (on average 141.15625) internal successors, (4517), 32 states have internal predecessors, (4517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:05:26,658 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 33 states, 33 states have (on average 271.0) internal successors, (8943), 33 states have internal predecessors, (8943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:05:26,659 INFO L81 ComplementDD]: Finished complementDD. Result has 33 states, 33 states have (on average 271.0) internal successors, (8943), 33 states have internal predecessors, (8943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:05:26,660 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, 256 predicate places. [2023-11-30 01:05:26,660 INFO L500 AbstractCegarLoop]: Abstraction has has 521 places, 1678 transitions, 43948 flow [2023-11-30 01:05:26,661 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 132.45) internal successors, (2649), 20 states have internal predecessors, (2649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:05:26,661 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:05:26,661 INFO L232 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] [2023-11-30 01:05:26,661 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-30 01:05:26,661 INFO L425 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:05:26,661 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:05:26,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1774590790, now seen corresponding path program 7 times [2023-11-30 01:05:26,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:05:26,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341100645] [2023-11-30 01:05:26,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:05:26,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:05:26,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:05:27,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 01:05:27,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:05:27,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341100645] [2023-11-30 01:05:27,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341100645] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:05:27,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:05:27,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-30 01:05:27,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436278743] [2023-11-30 01:05:27,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:05:27,367 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 01:05:27,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:05:27,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 01:05:27,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2023-11-30 01:05:27,369 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 271 [2023-11-30 01:05:27,371 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 521 places, 1678 transitions, 43948 flow. Second operand has 20 states, 20 states have (on average 132.45) internal successors, (2649), 20 states have internal predecessors, (2649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:05:27,371 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:05:27,371 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 271 [2023-11-30 01:05:27,371 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:05:32,772 INFO L124 PetriNetUnfolderBase]: 5148/10343 cut-off events. [2023-11-30 01:05:32,773 INFO L125 PetriNetUnfolderBase]: For 146072/149531 co-relation queries the response was YES. [2023-11-30 01:05:32,792 INFO L83 FinitePrefix]: Finished finitePrefix Result has 119427 conditions, 10343 events. 5148/10343 cut-off events. For 146072/149531 co-relation queries the response was YES. Maximal size of possible extension queue 428. Compared 83088 event pairs, 58 based on Foata normal form. 300/10542 useless extension candidates. Maximal degree in co-relation 111436. Up to 6722 conditions per place. [2023-11-30 01:05:32,888 INFO L140 encePairwiseOnDemand]: 242/271 looper letters, 1471 selfloop transitions, 310 changer transitions 32/1914 dead transitions. [2023-11-30 01:05:32,888 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 556 places, 1914 transitions, 54219 flow [2023-11-30 01:05:32,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-11-30 01:05:32,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2023-11-30 01:05:32,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 5075 transitions. [2023-11-30 01:05:32,897 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5201927019270193 [2023-11-30 01:05:32,897 INFO L72 ComplementDD]: Start complementDD. Operand 36 states and 5075 transitions. [2023-11-30 01:05:32,897 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 5075 transitions. [2023-11-30 01:05:32,899 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:05:32,899 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 36 states and 5075 transitions. [2023-11-30 01:05:32,904 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 37 states, 36 states have (on average 140.97222222222223) internal successors, (5075), 36 states have internal predecessors, (5075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:05:32,910 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 37 states, 37 states have (on average 271.0) internal successors, (10027), 37 states have internal predecessors, (10027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:05:32,911 INFO L81 ComplementDD]: Finished complementDD. Result has 37 states, 37 states have (on average 271.0) internal successors, (10027), 37 states have internal predecessors, (10027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:05:32,911 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, 291 predicate places. [2023-11-30 01:05:32,911 INFO L500 AbstractCegarLoop]: Abstraction has has 556 places, 1914 transitions, 54219 flow [2023-11-30 01:05:32,912 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 132.45) internal successors, (2649), 20 states have internal predecessors, (2649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:05:32,912 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:05:32,912 INFO L232 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] [2023-11-30 01:05:32,912 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-30 01:05:32,912 INFO L425 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:05:32,912 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:05:32,912 INFO L85 PathProgramCache]: Analyzing trace with hash 291909020, now seen corresponding path program 8 times [2023-11-30 01:05:32,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:05:32,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833384685] [2023-11-30 01:05:32,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:05:32,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:05:32,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:05:33,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 01:05:33,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:05:33,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833384685] [2023-11-30 01:05:33,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833384685] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:05:33,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:05:33,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-30 01:05:33,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158275809] [2023-11-30 01:05:33,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:05:33,722 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 01:05:33,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:05:33,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 01:05:33,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2023-11-30 01:05:33,724 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 271 [2023-11-30 01:05:33,726 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 556 places, 1914 transitions, 54219 flow. Second operand has 20 states, 20 states have (on average 132.45) internal successors, (2649), 20 states have internal predecessors, (2649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:05:33,726 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:05:33,726 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 271 [2023-11-30 01:05:33,726 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:05:39,008 INFO L124 PetriNetUnfolderBase]: 5445/10974 cut-off events. [2023-11-30 01:05:39,008 INFO L125 PetriNetUnfolderBase]: For 173001/176871 co-relation queries the response was YES. [2023-11-30 01:05:39,028 INFO L83 FinitePrefix]: Finished finitePrefix Result has 136412 conditions, 10974 events. 5445/10974 cut-off events. For 173001/176871 co-relation queries the response was YES. Maximal size of possible extension queue 469. Compared 89147 event pairs, 79 based on Foata normal form. 290/11164 useless extension candidates. Maximal degree in co-relation 126991. Up to 7200 conditions per place. [2023-11-30 01:05:39,135 INFO L140 encePairwiseOnDemand]: 242/271 looper letters, 1616 selfloop transitions, 330 changer transitions 32/2079 dead transitions. [2023-11-30 01:05:39,136 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 589 places, 2079 transitions, 63144 flow [2023-11-30 01:05:39,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-11-30 01:05:39,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2023-11-30 01:05:39,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 4793 transitions. [2023-11-30 01:05:39,140 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5201866724549599 [2023-11-30 01:05:39,140 INFO L72 ComplementDD]: Start complementDD. Operand 34 states and 4793 transitions. [2023-11-30 01:05:39,140 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 4793 transitions. [2023-11-30 01:05:39,141 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:05:39,141 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 34 states and 4793 transitions. [2023-11-30 01:05:39,146 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 35 states, 34 states have (on average 140.97058823529412) internal successors, (4793), 34 states have internal predecessors, (4793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:05:39,152 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 35 states, 35 states have (on average 271.0) internal successors, (9485), 35 states have internal predecessors, (9485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:05:39,153 INFO L81 ComplementDD]: Finished complementDD. Result has 35 states, 35 states have (on average 271.0) internal successors, (9485), 35 states have internal predecessors, (9485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:05:39,153 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, 324 predicate places. [2023-11-30 01:05:39,153 INFO L500 AbstractCegarLoop]: Abstraction has has 589 places, 2079 transitions, 63144 flow [2023-11-30 01:05:39,154 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 132.45) internal successors, (2649), 20 states have internal predecessors, (2649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:05:39,154 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:05:39,154 INFO L232 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] [2023-11-30 01:05:39,154 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-30 01:05:39,154 INFO L425 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:05:39,154 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:05:39,154 INFO L85 PathProgramCache]: Analyzing trace with hash -108160168, now seen corresponding path program 9 times [2023-11-30 01:05:39,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:05:39,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394127043] [2023-11-30 01:05:39,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:05:39,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:05:39,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:05:39,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 01:05:39,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:05:39,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394127043] [2023-11-30 01:05:39,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394127043] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:05:39,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:05:39,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-30 01:05:39,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698322299] [2023-11-30 01:05:39,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:05:39,767 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 01:05:39,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:05:39,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 01:05:39,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2023-11-30 01:05:39,769 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 271 [2023-11-30 01:05:39,770 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 589 places, 2079 transitions, 63144 flow. Second operand has 20 states, 20 states have (on average 132.45) internal successors, (2649), 20 states have internal predecessors, (2649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:05:39,770 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:05:39,770 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 271 [2023-11-30 01:05:39,770 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:05:46,867 INFO L124 PetriNetUnfolderBase]: 5950/11949 cut-off events. [2023-11-30 01:05:46,868 INFO L125 PetriNetUnfolderBase]: For 202429/206028 co-relation queries the response was YES. [2023-11-30 01:05:46,885 INFO L83 FinitePrefix]: Finished finitePrefix Result has 160151 conditions, 11949 events. 5950/11949 cut-off events. For 202429/206028 co-relation queries the response was YES. Maximal size of possible extension queue 528. Compared 99104 event pairs, 57 based on Foata normal form. 519/12349 useless extension candidates. Maximal degree in co-relation 158010. Up to 8031 conditions per place. [2023-11-30 01:05:47,081 INFO L140 encePairwiseOnDemand]: 242/271 looper letters, 1669 selfloop transitions, 426 changer transitions 32/2228 dead transitions. [2023-11-30 01:05:47,081 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 626 places, 2228 transitions, 72258 flow [2023-11-30 01:05:47,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-11-30 01:05:47,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2023-11-30 01:05:47,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 5362 transitions. [2023-11-30 01:05:47,086 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5206836278889104 [2023-11-30 01:05:47,086 INFO L72 ComplementDD]: Start complementDD. Operand 38 states and 5362 transitions. [2023-11-30 01:05:47,086 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 5362 transitions. [2023-11-30 01:05:47,088 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:05:47,089 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 38 states and 5362 transitions. [2023-11-30 01:05:47,094 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 39 states, 38 states have (on average 141.10526315789474) internal successors, (5362), 38 states have internal predecessors, (5362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:05:47,101 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 39 states, 39 states have (on average 271.0) internal successors, (10569), 39 states have internal predecessors, (10569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:05:47,101 INFO L81 ComplementDD]: Finished complementDD. Result has 39 states, 39 states have (on average 271.0) internal successors, (10569), 39 states have internal predecessors, (10569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:05:47,102 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, 361 predicate places. [2023-11-30 01:05:47,102 INFO L500 AbstractCegarLoop]: Abstraction has has 626 places, 2228 transitions, 72258 flow [2023-11-30 01:05:47,102 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 132.45) internal successors, (2649), 20 states have internal predecessors, (2649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:05:47,102 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:05:47,102 INFO L232 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] [2023-11-30 01:05:47,102 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-30 01:05:47,103 INFO L425 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:05:47,103 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:05:47,103 INFO L85 PathProgramCache]: Analyzing trace with hash -1172929578, now seen corresponding path program 10 times [2023-11-30 01:05:47,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:05:47,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815705982] [2023-11-30 01:05:47,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:05:47,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:05:47,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:05:47,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 01:05:47,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:05:47,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815705982] [2023-11-30 01:05:47,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815705982] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:05:47,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:05:47,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-30 01:05:47,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521256531] [2023-11-30 01:05:47,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:05:47,693 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 01:05:47,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:05:47,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 01:05:47,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2023-11-30 01:05:47,694 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 271 [2023-11-30 01:05:47,695 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 626 places, 2228 transitions, 72258 flow. Second operand has 20 states, 20 states have (on average 132.45) internal successors, (2649), 20 states have internal predecessors, (2649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:05:47,695 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:05:47,695 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 271 [2023-11-30 01:05:47,696 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:05:54,902 INFO L124 PetriNetUnfolderBase]: 6173/12431 cut-off events. [2023-11-30 01:05:54,902 INFO L125 PetriNetUnfolderBase]: For 244924/251960 co-relation queries the response was YES. [2023-11-30 01:05:54,922 INFO L83 FinitePrefix]: Finished finitePrefix Result has 176547 conditions, 12431 events. 6173/12431 cut-off events. For 244924/251960 co-relation queries the response was YES. Maximal size of possible extension queue 552. Compared 103840 event pairs, 58 based on Foata normal form. 402/12708 useless extension candidates. Maximal degree in co-relation 165477. Up to 8396 conditions per place. [2023-11-30 01:05:55,049 INFO L140 encePairwiseOnDemand]: 242/271 looper letters, 1790 selfloop transitions, 361 changer transitions 32/2284 dead transitions. [2023-11-30 01:05:55,049 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 661 places, 2284 transitions, 78586 flow [2023-11-30 01:05:55,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-11-30 01:05:55,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2023-11-30 01:05:55,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 5069 transitions. [2023-11-30 01:05:55,054 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5195776957769578 [2023-11-30 01:05:55,054 INFO L72 ComplementDD]: Start complementDD. Operand 36 states and 5069 transitions. [2023-11-30 01:05:55,054 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 5069 transitions. [2023-11-30 01:05:55,055 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:05:55,055 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 36 states and 5069 transitions. [2023-11-30 01:05:55,061 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 37 states, 36 states have (on average 140.80555555555554) internal successors, (5069), 36 states have internal predecessors, (5069), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:05:55,067 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 37 states, 37 states have (on average 271.0) internal successors, (10027), 37 states have internal predecessors, (10027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:05:55,067 INFO L81 ComplementDD]: Finished complementDD. Result has 37 states, 37 states have (on average 271.0) internal successors, (10027), 37 states have internal predecessors, (10027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:05:55,068 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, 396 predicate places. [2023-11-30 01:05:55,068 INFO L500 AbstractCegarLoop]: Abstraction has has 661 places, 2284 transitions, 78586 flow [2023-11-30 01:05:55,068 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 132.45) internal successors, (2649), 20 states have internal predecessors, (2649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:05:55,069 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:05:55,069 INFO L232 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] [2023-11-30 01:05:55,069 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-30 01:05:55,069 INFO L425 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:05:55,069 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:05:55,069 INFO L85 PathProgramCache]: Analyzing trace with hash 3448638, now seen corresponding path program 11 times [2023-11-30 01:05:55,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:05:55,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348152520] [2023-11-30 01:05:55,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:05:55,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:05:55,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:05:55,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 01:05:55,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:05:55,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348152520] [2023-11-30 01:05:55,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348152520] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:05:55,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:05:55,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-30 01:05:55,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825228316] [2023-11-30 01:05:55,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:05:55,844 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 01:05:55,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:05:55,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 01:05:55,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2023-11-30 01:05:55,846 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 271 [2023-11-30 01:05:55,847 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 661 places, 2284 transitions, 78586 flow. Second operand has 20 states, 20 states have (on average 132.45) internal successors, (2649), 20 states have internal predecessors, (2649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:05:55,847 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:05:55,847 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 271 [2023-11-30 01:05:55,847 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:06:03,919 INFO L124 PetriNetUnfolderBase]: 6358/12994 cut-off events. [2023-11-30 01:06:03,919 INFO L125 PetriNetUnfolderBase]: For 267635/273409 co-relation queries the response was YES. [2023-11-30 01:06:03,941 INFO L83 FinitePrefix]: Finished finitePrefix Result has 193945 conditions, 12994 events. 6358/12994 cut-off events. For 267635/273409 co-relation queries the response was YES. Maximal size of possible extension queue 583. Compared 111145 event pairs, 92 based on Foata normal form. 350/13221 useless extension candidates. Maximal degree in co-relation 182244. Up to 8715 conditions per place. [2023-11-30 01:06:04,077 INFO L140 encePairwiseOnDemand]: 242/271 looper letters, 1867 selfloop transitions, 391 changer transitions 32/2391 dead transitions. [2023-11-30 01:06:04,077 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 695 places, 2391 transitions, 86989 flow [2023-11-30 01:06:04,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-11-30 01:06:04,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2023-11-30 01:06:04,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 4935 transitions. [2023-11-30 01:06:04,082 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5202952029520295 [2023-11-30 01:06:04,082 INFO L72 ComplementDD]: Start complementDD. Operand 35 states and 4935 transitions. [2023-11-30 01:06:04,082 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 4935 transitions. [2023-11-30 01:06:04,083 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:06:04,083 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 35 states and 4935 transitions. [2023-11-30 01:06:04,088 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 36 states, 35 states have (on average 141.0) internal successors, (4935), 35 states have internal predecessors, (4935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:06:04,094 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 36 states, 36 states have (on average 271.0) internal successors, (9756), 36 states have internal predecessors, (9756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:06:04,095 INFO L81 ComplementDD]: Finished complementDD. Result has 36 states, 36 states have (on average 271.0) internal successors, (9756), 36 states have internal predecessors, (9756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:06:04,095 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, 430 predicate places. [2023-11-30 01:06:04,095 INFO L500 AbstractCegarLoop]: Abstraction has has 695 places, 2391 transitions, 86989 flow [2023-11-30 01:06:04,096 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 132.45) internal successors, (2649), 20 states have internal predecessors, (2649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:06:04,096 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:06:04,096 INFO L232 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] [2023-11-30 01:06:04,096 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-30 01:06:04,096 INFO L425 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:06:04,097 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:06:04,097 INFO L85 PathProgramCache]: Analyzing trace with hash -983611178, now seen corresponding path program 12 times [2023-11-30 01:06:04,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:06:04,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559371461] [2023-11-30 01:06:04,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:06:04,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:06:04,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:06:04,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 01:06:04,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:06:04,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559371461] [2023-11-30 01:06:04,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559371461] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:06:04,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:06:04,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-30 01:06:04,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553635781] [2023-11-30 01:06:04,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:06:04,700 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 01:06:04,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:06:04,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 01:06:04,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2023-11-30 01:06:04,702 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 271 [2023-11-30 01:06:04,703 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 695 places, 2391 transitions, 86989 flow. Second operand has 20 states, 20 states have (on average 132.45) internal successors, (2649), 20 states have internal predecessors, (2649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:06:04,703 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:06:04,703 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 271 [2023-11-30 01:06:04,703 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:06:13,537 INFO L124 PetriNetUnfolderBase]: 6800/13875 cut-off events. [2023-11-30 01:06:13,537 INFO L125 PetriNetUnfolderBase]: For 311083/316180 co-relation queries the response was YES. [2023-11-30 01:06:13,558 INFO L83 FinitePrefix]: Finished finitePrefix Result has 219625 conditions, 13875 events. 6800/13875 cut-off events. For 311083/316180 co-relation queries the response was YES. Maximal size of possible extension queue 636. Compared 120603 event pairs, 84 based on Foata normal form. 553/14286 useless extension candidates. Maximal degree in co-relation 217091. Up to 9456 conditions per place. [2023-11-30 01:06:13,728 INFO L140 encePairwiseOnDemand]: 242/271 looper letters, 1911 selfloop transitions, 461 changer transitions 32/2505 dead transitions. [2023-11-30 01:06:13,728 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 731 places, 2505 transitions, 96231 flow [2023-11-30 01:06:13,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-11-30 01:06:13,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2023-11-30 01:06:13,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 5216 transitions. [2023-11-30 01:06:13,732 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5201954722249925 [2023-11-30 01:06:13,733 INFO L72 ComplementDD]: Start complementDD. Operand 37 states and 5216 transitions. [2023-11-30 01:06:13,733 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 5216 transitions. [2023-11-30 01:06:13,734 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:06:13,734 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 37 states and 5216 transitions. [2023-11-30 01:06:13,740 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 38 states, 37 states have (on average 140.97297297297297) internal successors, (5216), 37 states have internal predecessors, (5216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:06:13,745 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 38 states, 38 states have (on average 271.0) internal successors, (10298), 38 states have internal predecessors, (10298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:06:13,746 INFO L81 ComplementDD]: Finished complementDD. Result has 38 states, 38 states have (on average 271.0) internal successors, (10298), 38 states have internal predecessors, (10298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:06:13,747 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, 466 predicate places. [2023-11-30 01:06:13,747 INFO L500 AbstractCegarLoop]: Abstraction has has 731 places, 2505 transitions, 96231 flow [2023-11-30 01:06:13,747 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 132.45) internal successors, (2649), 20 states have internal predecessors, (2649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:06:13,747 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:06:13,747 INFO L232 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] [2023-11-30 01:06:13,748 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-30 01:06:13,748 INFO L425 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:06:13,748 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:06:13,748 INFO L85 PathProgramCache]: Analyzing trace with hash 1336401750, now seen corresponding path program 13 times [2023-11-30 01:06:13,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:06:13,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365011375] [2023-11-30 01:06:13,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:06:13,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:06:13,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:06:14,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 01:06:14,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:06:14,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365011375] [2023-11-30 01:06:14,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365011375] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:06:14,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:06:14,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-30 01:06:14,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773643228] [2023-11-30 01:06:14,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:06:14,343 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 01:06:14,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:06:14,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 01:06:14,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2023-11-30 01:06:14,344 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 271 [2023-11-30 01:06:14,345 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 731 places, 2505 transitions, 96231 flow. Second operand has 20 states, 20 states have (on average 132.45) internal successors, (2649), 20 states have internal predecessors, (2649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:06:14,346 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:06:14,346 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 271 [2023-11-30 01:06:14,346 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:06:24,145 INFO L124 PetriNetUnfolderBase]: 6833/14052 cut-off events. [2023-11-30 01:06:24,146 INFO L125 PetriNetUnfolderBase]: For 326970/333339 co-relation queries the response was YES. [2023-11-30 01:06:24,169 INFO L83 FinitePrefix]: Finished finitePrefix Result has 232814 conditions, 14052 events. 6833/14052 cut-off events. For 326970/333339 co-relation queries the response was YES. Maximal size of possible extension queue 643. Compared 123132 event pairs, 97 based on Foata normal form. 452/14382 useless extension candidates. Maximal degree in co-relation 224944. Up to 9525 conditions per place. [2023-11-30 01:06:24,323 INFO L140 encePairwiseOnDemand]: 242/271 looper letters, 1934 selfloop transitions, 481 changer transitions 32/2548 dead transitions. [2023-11-30 01:06:24,323 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 768 places, 2548 transitions, 102881 flow [2023-11-30 01:06:24,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-11-30 01:06:24,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2023-11-30 01:06:24,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 5353 transitions. [2023-11-30 01:06:24,326 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5198096717809283 [2023-11-30 01:06:24,326 INFO L72 ComplementDD]: Start complementDD. Operand 38 states and 5353 transitions. [2023-11-30 01:06:24,326 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 5353 transitions. [2023-11-30 01:06:24,327 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:06:24,327 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 38 states and 5353 transitions. [2023-11-30 01:06:24,330 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 39 states, 38 states have (on average 140.8684210526316) internal successors, (5353), 38 states have internal predecessors, (5353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:06:24,336 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 39 states, 39 states have (on average 271.0) internal successors, (10569), 39 states have internal predecessors, (10569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:06:24,337 INFO L81 ComplementDD]: Finished complementDD. Result has 39 states, 39 states have (on average 271.0) internal successors, (10569), 39 states have internal predecessors, (10569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:06:24,337 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, 503 predicate places. [2023-11-30 01:06:24,337 INFO L500 AbstractCegarLoop]: Abstraction has has 768 places, 2548 transitions, 102881 flow [2023-11-30 01:06:24,338 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 132.45) internal successors, (2649), 20 states have internal predecessors, (2649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:06:24,338 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:06:24,338 INFO L232 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] [2023-11-30 01:06:24,338 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-30 01:06:24,338 INFO L425 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:06:24,338 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:06:24,339 INFO L85 PathProgramCache]: Analyzing trace with hash 192976576, now seen corresponding path program 14 times [2023-11-30 01:06:24,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:06:24,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515125716] [2023-11-30 01:06:24,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:06:24,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:06:24,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:06:24,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 01:06:24,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:06:24,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515125716] [2023-11-30 01:06:24,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515125716] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:06:24,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:06:24,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-30 01:06:24,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143599549] [2023-11-30 01:06:24,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:06:24,924 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 01:06:24,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:06:24,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 01:06:24,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2023-11-30 01:06:24,926 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 271 [2023-11-30 01:06:24,927 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 768 places, 2548 transitions, 102881 flow. Second operand has 20 states, 20 states have (on average 132.45) internal successors, (2649), 20 states have internal predecessors, (2649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:06:24,927 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:06:24,927 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 271 [2023-11-30 01:06:24,928 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:06:34,951 INFO L124 PetriNetUnfolderBase]: 7135/14664 cut-off events. [2023-11-30 01:06:34,951 INFO L125 PetriNetUnfolderBase]: For 385065/393270 co-relation queries the response was YES. [2023-11-30 01:06:34,971 INFO L83 FinitePrefix]: Finished finitePrefix Result has 255744 conditions, 14664 events. 7135/14664 cut-off events. For 385065/393270 co-relation queries the response was YES. Maximal size of possible extension queue 679. Compared 129755 event pairs, 82 based on Foata normal form. 607/15147 useless extension candidates. Maximal degree in co-relation 237676. Up to 10046 conditions per place. [2023-11-30 01:06:35,147 INFO L140 encePairwiseOnDemand]: 242/271 looper letters, 1921 selfloop transitions, 584 changer transitions 32/2638 dead transitions. [2023-11-30 01:06:35,147 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 805 places, 2638 transitions, 111845 flow [2023-11-30 01:06:35,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-11-30 01:06:35,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2023-11-30 01:06:35,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 5361 transitions. [2023-11-30 01:06:35,150 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5205865216546902 [2023-11-30 01:06:35,150 INFO L72 ComplementDD]: Start complementDD. Operand 38 states and 5361 transitions. [2023-11-30 01:06:35,150 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 5361 transitions. [2023-11-30 01:06:35,151 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:06:35,151 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 38 states and 5361 transitions. [2023-11-30 01:06:35,154 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 39 states, 38 states have (on average 141.07894736842104) internal successors, (5361), 38 states have internal predecessors, (5361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:06:35,159 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 39 states, 39 states have (on average 271.0) internal successors, (10569), 39 states have internal predecessors, (10569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:06:35,159 INFO L81 ComplementDD]: Finished complementDD. Result has 39 states, 39 states have (on average 271.0) internal successors, (10569), 39 states have internal predecessors, (10569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:06:35,160 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, 540 predicate places. [2023-11-30 01:06:35,160 INFO L500 AbstractCegarLoop]: Abstraction has has 805 places, 2638 transitions, 111845 flow [2023-11-30 01:06:35,160 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 132.45) internal successors, (2649), 20 states have internal predecessors, (2649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:06:35,160 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:06:35,160 INFO L232 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] [2023-11-30 01:06:35,160 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-30 01:06:35,160 INFO L425 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:06:35,160 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:06:35,161 INFO L85 PathProgramCache]: Analyzing trace with hash 630532886, now seen corresponding path program 15 times [2023-11-30 01:06:35,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:06:35,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839586920] [2023-11-30 01:06:35,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:06:35,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:06:35,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:06:35,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 01:06:35,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:06:35,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839586920] [2023-11-30 01:06:35,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839586920] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:06:35,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:06:35,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-30 01:06:35,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833086900] [2023-11-30 01:06:35,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:06:35,793 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 01:06:35,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:06:35,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 01:06:35,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2023-11-30 01:06:35,794 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 271 [2023-11-30 01:06:35,795 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 805 places, 2638 transitions, 111845 flow. Second operand has 20 states, 20 states have (on average 132.45) internal successors, (2649), 20 states have internal predecessors, (2649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:06:35,795 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:06:35,795 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 271 [2023-11-30 01:06:35,795 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:06:46,717 INFO L124 PetriNetUnfolderBase]: 7168/14856 cut-off events. [2023-11-30 01:06:46,717 INFO L125 PetriNetUnfolderBase]: For 420441/430825 co-relation queries the response was YES. [2023-11-30 01:06:46,739 INFO L83 FinitePrefix]: Finished finitePrefix Result has 269610 conditions, 14856 events. 7168/14856 cut-off events. For 420441/430825 co-relation queries the response was YES. Maximal size of possible extension queue 687. Compared 132203 event pairs, 55 based on Foata normal form. 434/15183 useless extension candidates. Maximal degree in co-relation 249915. Up to 10128 conditions per place. [2023-11-30 01:06:46,922 INFO L140 encePairwiseOnDemand]: 242/271 looper letters, 2107 selfloop transitions, 441 changer transitions 32/2681 dead transitions. [2023-11-30 01:06:46,922 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 841 places, 2681 transitions, 118933 flow [2023-11-30 01:06:46,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-11-30 01:06:46,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2023-11-30 01:06:46,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 5213 transitions. [2023-11-30 01:06:46,925 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5198962800438816 [2023-11-30 01:06:46,925 INFO L72 ComplementDD]: Start complementDD. Operand 37 states and 5213 transitions. [2023-11-30 01:06:46,925 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 5213 transitions. [2023-11-30 01:06:46,926 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:06:46,926 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 37 states and 5213 transitions. [2023-11-30 01:06:46,929 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 38 states, 37 states have (on average 140.8918918918919) internal successors, (5213), 37 states have internal predecessors, (5213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:06:46,933 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 38 states, 38 states have (on average 271.0) internal successors, (10298), 38 states have internal predecessors, (10298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:06:46,933 INFO L81 ComplementDD]: Finished complementDD. Result has 38 states, 38 states have (on average 271.0) internal successors, (10298), 38 states have internal predecessors, (10298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:06:46,933 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, 576 predicate places. [2023-11-30 01:06:46,933 INFO L500 AbstractCegarLoop]: Abstraction has has 841 places, 2681 transitions, 118933 flow [2023-11-30 01:06:46,934 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 132.45) internal successors, (2649), 20 states have internal predecessors, (2649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:06:46,934 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:06:46,934 INFO L232 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] [2023-11-30 01:06:46,934 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-30 01:06:46,934 INFO L425 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:06:46,934 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:06:46,934 INFO L85 PathProgramCache]: Analyzing trace with hash 1562186816, now seen corresponding path program 16 times [2023-11-30 01:06:46,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:06:46,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168470404] [2023-11-30 01:06:46,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:06:46,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:06:46,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:06:47,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 01:06:47,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:06:47,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168470404] [2023-11-30 01:06:47,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168470404] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:06:47,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:06:47,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-30 01:06:47,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075956918] [2023-11-30 01:06:47,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:06:47,570 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 01:06:47,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:06:47,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 01:06:47,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-11-30 01:06:47,572 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 271 [2023-11-30 01:06:47,573 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 841 places, 2681 transitions, 118933 flow. Second operand has 20 states, 20 states have (on average 132.45) internal successors, (2649), 20 states have internal predecessors, (2649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:06:47,573 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:06:47,573 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 271 [2023-11-30 01:06:47,573 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:06:58,585 INFO L124 PetriNetUnfolderBase]: 7798/16095 cut-off events. [2023-11-30 01:06:58,585 INFO L125 PetriNetUnfolderBase]: For 499744/508754 co-relation queries the response was YES. [2023-11-30 01:06:58,613 INFO L83 FinitePrefix]: Finished finitePrefix Result has 306561 conditions, 16095 events. 7798/16095 cut-off events. For 499744/508754 co-relation queries the response was YES. Maximal size of possible extension queue 750. Compared 145317 event pairs, 45 based on Foata normal form. 360/16353 useless extension candidates. Maximal degree in co-relation 284273. Up to 10990 conditions per place. [2023-11-30 01:06:58,949 INFO L140 encePairwiseOnDemand]: 242/271 looper letters, 2166 selfloop transitions, 707 changer transitions 32/3006 dead transitions. [2023-11-30 01:06:58,949 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 870 places, 3006 transitions, 139615 flow [2023-11-30 01:06:58,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-30 01:06:58,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2023-11-30 01:06:58,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 4258 transitions. [2023-11-30 01:06:58,951 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5237392373923739 [2023-11-30 01:06:58,952 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 4258 transitions. [2023-11-30 01:06:58,952 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 4258 transitions. [2023-11-30 01:06:58,952 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:06:58,952 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 4258 transitions. [2023-11-30 01:06:58,955 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 141.93333333333334) internal successors, (4258), 30 states have internal predecessors, (4258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:06:58,958 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 271.0) internal successors, (8401), 31 states have internal predecessors, (8401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:06:58,958 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 271.0) internal successors, (8401), 31 states have internal predecessors, (8401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:06:58,959 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, 605 predicate places. [2023-11-30 01:06:58,959 INFO L500 AbstractCegarLoop]: Abstraction has has 870 places, 3006 transitions, 139615 flow [2023-11-30 01:06:58,959 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 132.45) internal successors, (2649), 20 states have internal predecessors, (2649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:06:58,959 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:06:58,959 INFO L232 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] [2023-11-30 01:06:58,959 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-30 01:06:58,959 INFO L425 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:06:58,960 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:06:58,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1098207538, now seen corresponding path program 17 times [2023-11-30 01:06:58,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:06:58,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338002912] [2023-11-30 01:06:58,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:06:58,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:06:58,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:06:59,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 01:06:59,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:06:59,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338002912] [2023-11-30 01:06:59,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338002912] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:06:59,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:06:59,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-30 01:06:59,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016963254] [2023-11-30 01:06:59,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:06:59,631 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 01:06:59,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:06:59,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 01:06:59,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2023-11-30 01:06:59,637 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 271 [2023-11-30 01:06:59,638 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 870 places, 3006 transitions, 139615 flow. Second operand has 20 states, 20 states have (on average 132.45) internal successors, (2649), 20 states have internal predecessors, (2649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:06:59,639 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:06:59,639 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 271 [2023-11-30 01:06:59,639 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:07:13,407 INFO L124 PetriNetUnfolderBase]: 8097/16866 cut-off events. [2023-11-30 01:07:13,407 INFO L125 PetriNetUnfolderBase]: For 564616/574752 co-relation queries the response was YES. [2023-11-30 01:07:13,432 INFO L83 FinitePrefix]: Finished finitePrefix Result has 334056 conditions, 16866 events. 8097/16866 cut-off events. For 564616/574752 co-relation queries the response was YES. Maximal size of possible extension queue 792. Compared 154868 event pairs, 50 based on Foata normal form. 439/17208 useless extension candidates. Maximal degree in co-relation 309039. Up to 11481 conditions per place. [2023-11-30 01:07:13,673 INFO L140 encePairwiseOnDemand]: 242/271 looper letters, 2272 selfloop transitions, 777 changer transitions 32/3182 dead transitions. [2023-11-30 01:07:13,674 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 900 places, 3182 transitions, 154253 flow [2023-11-30 01:07:13,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-11-30 01:07:13,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2023-11-30 01:07:13,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 4397 transitions. [2023-11-30 01:07:13,676 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5233900726104035 [2023-11-30 01:07:13,676 INFO L72 ComplementDD]: Start complementDD. Operand 31 states and 4397 transitions. [2023-11-30 01:07:13,676 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 4397 transitions. [2023-11-30 01:07:13,677 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:07:13,677 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 31 states and 4397 transitions. [2023-11-30 01:07:13,679 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 32 states, 31 states have (on average 141.83870967741936) internal successors, (4397), 31 states have internal predecessors, (4397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:07:13,684 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 32 states, 32 states have (on average 271.0) internal successors, (8672), 32 states have internal predecessors, (8672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:07:13,685 INFO L81 ComplementDD]: Finished complementDD. Result has 32 states, 32 states have (on average 271.0) internal successors, (8672), 32 states have internal predecessors, (8672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:07:13,685 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, 635 predicate places. [2023-11-30 01:07:13,685 INFO L500 AbstractCegarLoop]: Abstraction has has 900 places, 3182 transitions, 154253 flow [2023-11-30 01:07:13,685 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 132.45) internal successors, (2649), 20 states have internal predecessors, (2649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:07:13,685 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:07:13,685 INFO L232 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] [2023-11-30 01:07:13,686 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-30 01:07:13,686 INFO L425 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:07:13,686 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:07:13,686 INFO L85 PathProgramCache]: Analyzing trace with hash -1212415504, now seen corresponding path program 18 times [2023-11-30 01:07:13,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:07:13,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736732177] [2023-11-30 01:07:13,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:07:13,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:07:13,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:07:14,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 01:07:14,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:07:14,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736732177] [2023-11-30 01:07:14,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736732177] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:07:14,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:07:14,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-30 01:07:14,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027570738] [2023-11-30 01:07:14,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:07:14,408 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 01:07:14,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:07:14,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 01:07:14,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2023-11-30 01:07:14,410 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 271 [2023-11-30 01:07:14,411 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 900 places, 3182 transitions, 154253 flow. Second operand has 20 states, 20 states have (on average 132.45) internal successors, (2649), 20 states have internal predecessors, (2649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:07:14,411 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:07:14,411 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 271 [2023-11-30 01:07:14,411 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:07:29,620 INFO L124 PetriNetUnfolderBase]: 8367/17520 cut-off events. [2023-11-30 01:07:29,620 INFO L125 PetriNetUnfolderBase]: For 632599/644255 co-relation queries the response was YES. [2023-11-30 01:07:29,645 INFO L83 FinitePrefix]: Finished finitePrefix Result has 360752 conditions, 17520 events. 8367/17520 cut-off events. For 632599/644255 co-relation queries the response was YES. Maximal size of possible extension queue 829. Compared 162607 event pairs, 45 based on Foata normal form. 537/17945 useless extension candidates. Maximal degree in co-relation 333353. Up to 11949 conditions per place. [2023-11-30 01:07:29,882 INFO L140 encePairwiseOnDemand]: 242/271 looper letters, 2346 selfloop transitions, 822 changer transitions 32/3301 dead transitions. [2023-11-30 01:07:29,882 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 934 places, 3301 transitions, 166662 flow [2023-11-30 01:07:29,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-11-30 01:07:29,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2023-11-30 01:07:29,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 4947 transitions. [2023-11-30 01:07:29,885 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5215603584607275 [2023-11-30 01:07:29,885 INFO L72 ComplementDD]: Start complementDD. Operand 35 states and 4947 transitions. [2023-11-30 01:07:29,885 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 4947 transitions. [2023-11-30 01:07:29,886 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:07:29,886 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 35 states and 4947 transitions. [2023-11-30 01:07:29,890 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 36 states, 35 states have (on average 141.34285714285716) internal successors, (4947), 35 states have internal predecessors, (4947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:07:29,895 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 36 states, 36 states have (on average 271.0) internal successors, (9756), 36 states have internal predecessors, (9756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:07:29,895 INFO L81 ComplementDD]: Finished complementDD. Result has 36 states, 36 states have (on average 271.0) internal successors, (9756), 36 states have internal predecessors, (9756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:07:29,896 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, 669 predicate places. [2023-11-30 01:07:29,896 INFO L500 AbstractCegarLoop]: Abstraction has has 934 places, 3301 transitions, 166662 flow [2023-11-30 01:07:29,896 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 132.45) internal successors, (2649), 20 states have internal predecessors, (2649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:07:29,896 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:07:29,896 INFO L232 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] [2023-11-30 01:07:29,896 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-30 01:07:29,897 INFO L425 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:07:29,897 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:07:29,897 INFO L85 PathProgramCache]: Analyzing trace with hash 1818114880, now seen corresponding path program 19 times [2023-11-30 01:07:29,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:07:29,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400620679] [2023-11-30 01:07:29,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:07:29,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:07:29,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:07:30,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 01:07:30,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:07:30,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400620679] [2023-11-30 01:07:30,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400620679] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:07:30,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:07:30,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-30 01:07:30,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113955590] [2023-11-30 01:07:30,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:07:30,585 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 01:07:30,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:07:30,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 01:07:30,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2023-11-30 01:07:30,587 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 271 [2023-11-30 01:07:30,588 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 934 places, 3301 transitions, 166662 flow. Second operand has 20 states, 20 states have (on average 132.45) internal successors, (2649), 20 states have internal predecessors, (2649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:07:30,588 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:07:30,588 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 271 [2023-11-30 01:07:30,588 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:07:47,109 INFO L124 PetriNetUnfolderBase]: 8825/18470 cut-off events. [2023-11-30 01:07:47,109 INFO L125 PetriNetUnfolderBase]: For 695789/707845 co-relation queries the response was YES. [2023-11-30 01:07:47,147 INFO L83 FinitePrefix]: Finished finitePrefix Result has 396210 conditions, 18470 events. 8825/18470 cut-off events. For 695789/707845 co-relation queries the response was YES. Maximal size of possible extension queue 889. Compared 173193 event pairs, 95 based on Foata normal form. 544/18912 useless extension candidates. Maximal degree in co-relation 365827. Up to 12599 conditions per place. [2023-11-30 01:07:47,531 INFO L140 encePairwiseOnDemand]: 242/271 looper letters, 2491 selfloop transitions, 945 changer transitions 32/3569 dead transitions. [2023-11-30 01:07:47,531 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 967 places, 3569 transitions, 187502 flow [2023-11-30 01:07:47,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-11-30 01:07:47,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2023-11-30 01:07:47,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 4806 transitions. [2023-11-30 01:07:47,535 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5215975689168656 [2023-11-30 01:07:47,535 INFO L72 ComplementDD]: Start complementDD. Operand 34 states and 4806 transitions. [2023-11-30 01:07:47,535 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 4806 transitions. [2023-11-30 01:07:47,536 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:07:47,536 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 34 states and 4806 transitions. [2023-11-30 01:07:47,540 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 35 states, 34 states have (on average 141.35294117647058) internal successors, (4806), 34 states have internal predecessors, (4806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:07:47,546 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 35 states, 35 states have (on average 271.0) internal successors, (9485), 35 states have internal predecessors, (9485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:07:47,546 INFO L81 ComplementDD]: Finished complementDD. Result has 35 states, 35 states have (on average 271.0) internal successors, (9485), 35 states have internal predecessors, (9485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:07:47,547 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, 702 predicate places. [2023-11-30 01:07:47,547 INFO L500 AbstractCegarLoop]: Abstraction has has 967 places, 3569 transitions, 187502 flow [2023-11-30 01:07:47,547 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 132.45) internal successors, (2649), 20 states have internal predecessors, (2649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:07:47,548 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:07:47,548 INFO L232 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] [2023-11-30 01:07:47,548 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-11-30 01:07:47,548 INFO L425 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:07:47,548 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:07:47,548 INFO L85 PathProgramCache]: Analyzing trace with hash -1135431006, now seen corresponding path program 20 times [2023-11-30 01:07:47,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:07:47,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982047371] [2023-11-30 01:07:47,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:07:47,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:07:47,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:07:48,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 01:07:48,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:07:48,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982047371] [2023-11-30 01:07:48,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982047371] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:07:48,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:07:48,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-30 01:07:48,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44020212] [2023-11-30 01:07:48,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:07:48,285 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 01:07:48,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:07:48,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 01:07:48,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2023-11-30 01:07:48,287 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 271 [2023-11-30 01:07:48,288 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 967 places, 3569 transitions, 187502 flow. Second operand has 20 states, 20 states have (on average 132.45) internal successors, (2649), 20 states have internal predecessors, (2649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:07:48,288 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:07:48,288 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 271 [2023-11-30 01:07:48,288 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:08:07,188 INFO L124 PetriNetUnfolderBase]: 9058/19008 cut-off events. [2023-11-30 01:08:07,189 INFO L125 PetriNetUnfolderBase]: For 745439/759073 co-relation queries the response was YES. [2023-11-30 01:08:07,222 INFO L83 FinitePrefix]: Finished finitePrefix Result has 423508 conditions, 19008 events. 9058/19008 cut-off events. For 745439/759073 co-relation queries the response was YES. Maximal size of possible extension queue 917. Compared 179974 event pairs, 49 based on Foata normal form. 503/19415 useless extension candidates. Maximal degree in co-relation 412814. Up to 13012 conditions per place. [2023-11-30 01:08:07,637 INFO L140 encePairwiseOnDemand]: 242/271 looper letters, 2546 selfloop transitions, 974 changer transitions 32/3653 dead transitions. [2023-11-30 01:08:07,637 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1002 places, 3653 transitions, 199196 flow [2023-11-30 01:08:07,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-11-30 01:08:07,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2023-11-30 01:08:07,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 5084 transitions. [2023-11-30 01:08:07,640 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5211152111521116 [2023-11-30 01:08:07,640 INFO L72 ComplementDD]: Start complementDD. Operand 36 states and 5084 transitions. [2023-11-30 01:08:07,640 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 5084 transitions. [2023-11-30 01:08:07,640 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:08:07,640 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 36 states and 5084 transitions. [2023-11-30 01:08:07,643 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 37 states, 36 states have (on average 141.22222222222223) internal successors, (5084), 36 states have internal predecessors, (5084), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:08:07,647 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 37 states, 37 states have (on average 271.0) internal successors, (10027), 37 states have internal predecessors, (10027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:08:07,648 INFO L81 ComplementDD]: Finished complementDD. Result has 37 states, 37 states have (on average 271.0) internal successors, (10027), 37 states have internal predecessors, (10027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:08:07,648 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, 737 predicate places. [2023-11-30 01:08:07,648 INFO L500 AbstractCegarLoop]: Abstraction has has 1002 places, 3653 transitions, 199196 flow [2023-11-30 01:08:07,648 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 132.45) internal successors, (2649), 20 states have internal predecessors, (2649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:08:07,649 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:08:07,653 INFO L232 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] [2023-11-30 01:08:07,653 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-11-30 01:08:07,653 INFO L425 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:08:07,654 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:08:07,654 INFO L85 PathProgramCache]: Analyzing trace with hash -1734128570, now seen corresponding path program 21 times [2023-11-30 01:08:07,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:08:07,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022229782] [2023-11-30 01:08:07,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:08:07,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:08:07,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:08:08,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 01:08:08,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:08:08,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022229782] [2023-11-30 01:08:08,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022229782] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:08:08,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:08:08,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-30 01:08:08,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626230464] [2023-11-30 01:08:08,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:08:08,276 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 01:08:08,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:08:08,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 01:08:08,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2023-11-30 01:08:08,278 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 271 [2023-11-30 01:08:08,279 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1002 places, 3653 transitions, 199196 flow. Second operand has 20 states, 20 states have (on average 132.45) internal successors, (2649), 20 states have internal predecessors, (2649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:08:08,279 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:08:08,280 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 271 [2023-11-30 01:08:08,280 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:08:28,665 INFO L124 PetriNetUnfolderBase]: 9471/19837 cut-off events. [2023-11-30 01:08:28,665 INFO L125 PetriNetUnfolderBase]: For 854127/870614 co-relation queries the response was YES. [2023-11-30 01:08:28,699 INFO L83 FinitePrefix]: Finished finitePrefix Result has 458917 conditions, 19837 events. 9471/19837 cut-off events. For 854127/870614 co-relation queries the response was YES. Maximal size of possible extension queue 965. Compared 188620 event pairs, 71 based on Foata normal form. 556/20273 useless extension candidates. Maximal degree in co-relation 447661. Up to 13687 conditions per place. [2023-11-30 01:08:29,022 INFO L140 encePairwiseOnDemand]: 242/271 looper letters, 2595 selfloop transitions, 1017 changer transitions 32/3745 dead transitions. [2023-11-30 01:08:29,022 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1037 places, 3745 transitions, 211738 flow [2023-11-30 01:08:29,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-11-30 01:08:29,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2023-11-30 01:08:29,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 5087 transitions. [2023-11-30 01:08:29,025 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5214227142271423 [2023-11-30 01:08:29,025 INFO L72 ComplementDD]: Start complementDD. Operand 36 states and 5087 transitions. [2023-11-30 01:08:29,025 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 5087 transitions. [2023-11-30 01:08:29,026 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:08:29,026 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 36 states and 5087 transitions. [2023-11-30 01:08:29,030 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 37 states, 36 states have (on average 141.30555555555554) internal successors, (5087), 36 states have internal predecessors, (5087), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:08:29,036 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 37 states, 37 states have (on average 271.0) internal successors, (10027), 37 states have internal predecessors, (10027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:08:29,037 INFO L81 ComplementDD]: Finished complementDD. Result has 37 states, 37 states have (on average 271.0) internal successors, (10027), 37 states have internal predecessors, (10027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:08:29,038 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, 772 predicate places. [2023-11-30 01:08:29,038 INFO L500 AbstractCegarLoop]: Abstraction has has 1037 places, 3745 transitions, 211738 flow [2023-11-30 01:08:29,039 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 132.45) internal successors, (2649), 20 states have internal predecessors, (2649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:08:29,039 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:08:29,039 INFO L232 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] [2023-11-30 01:08:29,039 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-11-30 01:08:29,039 INFO L425 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:08:29,039 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:08:29,039 INFO L85 PathProgramCache]: Analyzing trace with hash 1481137642, now seen corresponding path program 22 times [2023-11-30 01:08:29,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:08:29,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908389185] [2023-11-30 01:08:29,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:08:29,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:08:29,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:08:29,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 01:08:29,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:08:29,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908389185] [2023-11-30 01:08:29,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908389185] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:08:29,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:08:29,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-30 01:08:29,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997855945] [2023-11-30 01:08:29,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:08:29,605 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 01:08:29,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:08:29,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 01:08:29,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2023-11-30 01:08:29,607 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 271 [2023-11-30 01:08:29,608 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1037 places, 3745 transitions, 211738 flow. Second operand has 20 states, 20 states have (on average 132.45) internal successors, (2649), 20 states have internal predecessors, (2649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:08:29,608 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:08:29,608 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 271 [2023-11-30 01:08:29,608 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:08:51,743 INFO L124 PetriNetUnfolderBase]: 9720/20476 cut-off events. [2023-11-30 01:08:51,744 INFO L125 PetriNetUnfolderBase]: For 914942/930844 co-relation queries the response was YES. [2023-11-30 01:08:51,775 INFO L83 FinitePrefix]: Finished finitePrefix Result has 488702 conditions, 20476 events. 9720/20476 cut-off events. For 914942/930844 co-relation queries the response was YES. Maximal size of possible extension queue 999. Compared 197221 event pairs, 82 based on Foata normal form. 607/20961 useless extension candidates. Maximal degree in co-relation 451306. Up to 14095 conditions per place. [2023-11-30 01:08:52,109 INFO L140 encePairwiseOnDemand]: 242/271 looper letters, 2731 selfloop transitions, 1004 changer transitions 32/3868 dead transitions. [2023-11-30 01:08:52,109 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1069 places, 3868 transitions, 226461 flow [2023-11-30 01:08:52,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-11-30 01:08:52,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2023-11-30 01:08:52,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 4668 transitions. [2023-11-30 01:08:52,112 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5219724924521972 [2023-11-30 01:08:52,112 INFO L72 ComplementDD]: Start complementDD. Operand 33 states and 4668 transitions. [2023-11-30 01:08:52,112 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 4668 transitions. [2023-11-30 01:08:52,113 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:08:52,113 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 33 states and 4668 transitions. [2023-11-30 01:08:52,116 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 34 states, 33 states have (on average 141.45454545454547) internal successors, (4668), 33 states have internal predecessors, (4668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:08:52,121 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 34 states, 34 states have (on average 271.0) internal successors, (9214), 34 states have internal predecessors, (9214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:08:52,122 INFO L81 ComplementDD]: Finished complementDD. Result has 34 states, 34 states have (on average 271.0) internal successors, (9214), 34 states have internal predecessors, (9214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:08:52,122 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, 804 predicate places. [2023-11-30 01:08:52,122 INFO L500 AbstractCegarLoop]: Abstraction has has 1069 places, 3868 transitions, 226461 flow [2023-11-30 01:08:52,122 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 132.45) internal successors, (2649), 20 states have internal predecessors, (2649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:08:52,123 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:08:52,123 INFO L232 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] [2023-11-30 01:08:52,123 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-11-30 01:08:52,123 INFO L425 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:08:52,123 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:08:52,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1244952222, now seen corresponding path program 23 times [2023-11-30 01:08:52,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:08:52,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186754066] [2023-11-30 01:08:52,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:08:52,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:08:52,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:08:52,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 01:08:52,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:08:52,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186754066] [2023-11-30 01:08:52,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186754066] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:08:52,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:08:52,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-30 01:08:52,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345185187] [2023-11-30 01:08:52,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:08:52,801 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 01:08:52,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:08:52,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 01:08:52,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2023-11-30 01:08:52,803 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 271 [2023-11-30 01:08:52,804 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1069 places, 3868 transitions, 226461 flow. Second operand has 20 states, 20 states have (on average 132.45) internal successors, (2649), 20 states have internal predecessors, (2649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:08:52,804 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:08:52,805 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 271 [2023-11-30 01:08:52,805 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:09:15,803 INFO L124 PetriNetUnfolderBase]: 9750/20545 cut-off events. [2023-11-30 01:09:15,803 INFO L125 PetriNetUnfolderBase]: For 980748/996841 co-relation queries the response was YES. [2023-11-30 01:09:15,849 INFO L83 FinitePrefix]: Finished finitePrefix Result has 508844 conditions, 20545 events. 9750/20545 cut-off events. For 980748/996841 co-relation queries the response was YES. Maximal size of possible extension queue 1006. Compared 198044 event pairs, 44 based on Foata normal form. 567/21017 useless extension candidates. Maximal degree in co-relation 497004. Up to 14210 conditions per place. [2023-11-30 01:09:16,231 INFO L140 encePairwiseOnDemand]: 242/271 looper letters, 2760 selfloop transitions, 1012 changer transitions 32/3905 dead transitions. [2023-11-30 01:09:16,231 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1103 places, 3905 transitions, 236329 flow [2023-11-30 01:09:16,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-11-30 01:09:16,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2023-11-30 01:09:16,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 4944 transitions. [2023-11-30 01:09:16,234 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.521244069583553 [2023-11-30 01:09:16,234 INFO L72 ComplementDD]: Start complementDD. Operand 35 states and 4944 transitions. [2023-11-30 01:09:16,234 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 4944 transitions. [2023-11-30 01:09:16,235 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:09:16,235 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 35 states and 4944 transitions. [2023-11-30 01:09:16,238 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 36 states, 35 states have (on average 141.25714285714287) internal successors, (4944), 35 states have internal predecessors, (4944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:09:16,241 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 36 states, 36 states have (on average 271.0) internal successors, (9756), 36 states have internal predecessors, (9756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:09:16,242 INFO L81 ComplementDD]: Finished complementDD. Result has 36 states, 36 states have (on average 271.0) internal successors, (9756), 36 states have internal predecessors, (9756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:09:16,242 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, 838 predicate places. [2023-11-30 01:09:16,242 INFO L500 AbstractCegarLoop]: Abstraction has has 1103 places, 3905 transitions, 236329 flow [2023-11-30 01:09:16,243 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 132.45) internal successors, (2649), 20 states have internal predecessors, (2649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:09:16,243 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:09:16,243 INFO L232 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] [2023-11-30 01:09:16,243 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-11-30 01:09:16,243 INFO L425 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:09:16,243 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:09:16,243 INFO L85 PathProgramCache]: Analyzing trace with hash -1296111990, now seen corresponding path program 24 times [2023-11-30 01:09:16,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:09:16,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019576095] [2023-11-30 01:09:16,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:09:16,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:09:16,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:09:16,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 01:09:16,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:09:16,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019576095] [2023-11-30 01:09:16,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019576095] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:09:16,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:09:16,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-30 01:09:16,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121340609] [2023-11-30 01:09:16,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:09:16,877 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 01:09:16,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:09:16,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 01:09:16,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2023-11-30 01:09:16,879 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 271 [2023-11-30 01:09:16,880 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1103 places, 3905 transitions, 236329 flow. Second operand has 20 states, 20 states have (on average 132.45) internal successors, (2649), 20 states have internal predecessors, (2649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:09:16,880 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:09:16,880 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 271 [2023-11-30 01:09:16,880 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:09:41,399 INFO L124 PetriNetUnfolderBase]: 10368/21887 cut-off events. [2023-11-30 01:09:41,399 INFO L125 PetriNetUnfolderBase]: For 1155190/1179951 co-relation queries the response was YES. [2023-11-30 01:09:41,431 INFO L83 FinitePrefix]: Finished finitePrefix Result has 559625 conditions, 21887 events. 10368/21887 cut-off events. For 1155190/1179951 co-relation queries the response was YES. Maximal size of possible extension queue 1082. Compared 213846 event pairs, 57 based on Foata normal form. 733/22499 useless extension candidates. Maximal degree in co-relation 555519. Up to 15225 conditions per place. [2023-11-30 01:09:41,812 INFO L140 encePairwiseOnDemand]: 242/271 looper letters, 2817 selfloop transitions, 1144 changer transitions 32/4094 dead transitions. [2023-11-30 01:09:41,812 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1139 places, 4094 transitions, 256147 flow [2023-11-30 01:09:41,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-11-30 01:09:41,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2023-11-30 01:09:41,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 5224 transitions. [2023-11-30 01:09:41,815 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5209933180412886 [2023-11-30 01:09:41,815 INFO L72 ComplementDD]: Start complementDD. Operand 37 states and 5224 transitions. [2023-11-30 01:09:41,815 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 5224 transitions. [2023-11-30 01:09:41,816 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:09:41,816 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 37 states and 5224 transitions. [2023-11-30 01:09:41,819 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 38 states, 37 states have (on average 141.1891891891892) internal successors, (5224), 37 states have internal predecessors, (5224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:09:41,823 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 38 states, 38 states have (on average 271.0) internal successors, (10298), 38 states have internal predecessors, (10298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:09:41,823 INFO L81 ComplementDD]: Finished complementDD. Result has 38 states, 38 states have (on average 271.0) internal successors, (10298), 38 states have internal predecessors, (10298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:09:41,824 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, 874 predicate places. [2023-11-30 01:09:41,824 INFO L500 AbstractCegarLoop]: Abstraction has has 1139 places, 4094 transitions, 256147 flow [2023-11-30 01:09:41,824 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 132.45) internal successors, (2649), 20 states have internal predecessors, (2649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:09:41,824 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:09:41,824 INFO L232 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] [2023-11-30 01:09:41,824 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-11-30 01:09:41,824 INFO L425 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:09:41,825 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:09:41,825 INFO L85 PathProgramCache]: Analyzing trace with hash -423186650, now seen corresponding path program 25 times [2023-11-30 01:09:41,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:09:41,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249836097] [2023-11-30 01:09:41,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:09:41,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:09:41,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:09:42,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 01:09:42,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:09:42,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249836097] [2023-11-30 01:09:42,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249836097] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:09:42,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:09:42,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-30 01:09:42,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675714349] [2023-11-30 01:09:42,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:09:42,495 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 01:09:42,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:09:42,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 01:09:42,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2023-11-30 01:09:42,497 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 271 [2023-11-30 01:09:42,498 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1139 places, 4094 transitions, 256147 flow. Second operand has 20 states, 20 states have (on average 132.45) internal successors, (2649), 20 states have internal predecessors, (2649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:09:42,498 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:09:42,498 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 271 [2023-11-30 01:09:42,498 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:10:10,172 INFO L124 PetriNetUnfolderBase]: 10620/22549 cut-off events. [2023-11-30 01:10:10,172 INFO L125 PetriNetUnfolderBase]: For 1177992/1197312 co-relation queries the response was YES. [2023-11-30 01:10:10,206 INFO L83 FinitePrefix]: Finished finitePrefix Result has 591142 conditions, 22549 events. 10620/22549 cut-off events. For 1177992/1197312 co-relation queries the response was YES. Maximal size of possible extension queue 1115. Compared 222161 event pairs, 98 based on Foata normal form. 569/22988 useless extension candidates. Maximal degree in co-relation 545417. Up to 15553 conditions per place. [2023-11-30 01:10:10,605 INFO L140 encePairwiseOnDemand]: 242/271 looper letters, 2930 selfloop transitions, 1162 changer transitions 32/4225 dead transitions. [2023-11-30 01:10:10,605 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1173 places, 4225 transitions, 272771 flow [2023-11-30 01:10:10,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-11-30 01:10:10,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2023-11-30 01:10:10,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 4938 transitions. [2023-11-30 01:10:10,608 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.520611491829204 [2023-11-30 01:10:10,608 INFO L72 ComplementDD]: Start complementDD. Operand 35 states and 4938 transitions. [2023-11-30 01:10:10,608 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 4938 transitions. [2023-11-30 01:10:10,609 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:10:10,609 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 35 states and 4938 transitions. [2023-11-30 01:10:10,611 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 36 states, 35 states have (on average 141.0857142857143) internal successors, (4938), 35 states have internal predecessors, (4938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:10:10,615 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 36 states, 36 states have (on average 271.0) internal successors, (9756), 36 states have internal predecessors, (9756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:10:10,615 INFO L81 ComplementDD]: Finished complementDD. Result has 36 states, 36 states have (on average 271.0) internal successors, (9756), 36 states have internal predecessors, (9756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:10:10,616 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, 908 predicate places. [2023-11-30 01:10:10,616 INFO L500 AbstractCegarLoop]: Abstraction has has 1173 places, 4225 transitions, 272771 flow [2023-11-30 01:10:10,616 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 132.45) internal successors, (2649), 20 states have internal predecessors, (2649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:10:10,616 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:10:10,616 INFO L232 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] [2023-11-30 01:10:10,616 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-11-30 01:10:10,616 INFO L425 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:10:10,617 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:10:10,617 INFO L85 PathProgramCache]: Analyzing trace with hash -1496696342, now seen corresponding path program 26 times [2023-11-30 01:10:10,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:10:10,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764895397] [2023-11-30 01:10:10,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:10:10,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:10:10,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:10:11,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 01:10:11,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:10:11,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764895397] [2023-11-30 01:10:11,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764895397] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:10:11,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:10:11,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-30 01:10:11,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866018840] [2023-11-30 01:10:11,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:10:11,160 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 01:10:11,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:10:11,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 01:10:11,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2023-11-30 01:10:11,161 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 271 [2023-11-30 01:10:11,162 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1173 places, 4225 transitions, 272771 flow. Second operand has 20 states, 20 states have (on average 132.45) internal successors, (2649), 20 states have internal predecessors, (2649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:10:11,162 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:10:11,162 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 271 [2023-11-30 01:10:11,162 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:10:42,927 INFO L124 PetriNetUnfolderBase]: 10904/23108 cut-off events. [2023-11-30 01:10:42,927 INFO L125 PetriNetUnfolderBase]: For 1369194/1406250 co-relation queries the response was YES. [2023-11-30 01:10:42,972 INFO L83 FinitePrefix]: Finished finitePrefix Result has 627030 conditions, 23108 events. 10904/23108 cut-off events. For 1369194/1406250 co-relation queries the response was YES. Maximal size of possible extension queue 1151. Compared 228749 event pairs, 63 based on Foata normal form. 529/23513 useless extension candidates. Maximal degree in co-relation 583591. Up to 16033 conditions per place. [2023-11-30 01:10:43,429 INFO L140 encePairwiseOnDemand]: 242/271 looper letters, 3080 selfloop transitions, 1155 changer transitions 32/4368 dead transitions. [2023-11-30 01:10:43,429 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1206 places, 4368 transitions, 290762 flow [2023-11-30 01:10:43,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-11-30 01:10:43,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2023-11-30 01:10:43,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 4803 transitions. [2023-11-30 01:10:43,432 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5212719774256566 [2023-11-30 01:10:43,432 INFO L72 ComplementDD]: Start complementDD. Operand 34 states and 4803 transitions. [2023-11-30 01:10:43,432 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 4803 transitions. [2023-11-30 01:10:43,432 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:10:43,433 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 34 states and 4803 transitions. [2023-11-30 01:10:43,435 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 35 states, 34 states have (on average 141.26470588235293) internal successors, (4803), 34 states have internal predecessors, (4803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:10:43,439 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 35 states, 35 states have (on average 271.0) internal successors, (9485), 35 states have internal predecessors, (9485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:10:43,439 INFO L81 ComplementDD]: Finished complementDD. Result has 35 states, 35 states have (on average 271.0) internal successors, (9485), 35 states have internal predecessors, (9485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:10:43,439 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, 941 predicate places. [2023-11-30 01:10:43,440 INFO L500 AbstractCegarLoop]: Abstraction has has 1206 places, 4368 transitions, 290762 flow [2023-11-30 01:10:43,440 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 132.45) internal successors, (2649), 20 states have internal predecessors, (2649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:10:43,440 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:10:43,440 INFO L232 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] [2023-11-30 01:10:43,440 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2023-11-30 01:10:43,440 INFO L425 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:10:43,440 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:10:43,440 INFO L85 PathProgramCache]: Analyzing trace with hash 1928174236, now seen corresponding path program 27 times [2023-11-30 01:10:43,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:10:43,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654848934] [2023-11-30 01:10:43,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:10:43,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:10:43,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:10:44,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 01:10:44,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:10:44,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654848934] [2023-11-30 01:10:44,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654848934] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:10:44,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:10:44,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-30 01:10:44,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041325411] [2023-11-30 01:10:44,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:10:44,120 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 01:10:44,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:10:44,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 01:10:44,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2023-11-30 01:10:44,121 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 271 [2023-11-30 01:10:44,123 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1206 places, 4368 transitions, 290762 flow. Second operand has 20 states, 20 states have (on average 132.45) internal successors, (2649), 20 states have internal predecessors, (2649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:10:44,123 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:10:44,123 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 271 [2023-11-30 01:10:44,123 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:11:15,363 INFO L124 PetriNetUnfolderBase]: 11190/23781 cut-off events. [2023-11-30 01:11:15,363 INFO L125 PetriNetUnfolderBase]: For 1385073/1407561 co-relation queries the response was YES. [2023-11-30 01:11:15,400 INFO L83 FinitePrefix]: Finished finitePrefix Result has 664616 conditions, 23781 events. 11190/23781 cut-off events. For 1385073/1407561 co-relation queries the response was YES. Maximal size of possible extension queue 1191. Compared 237431 event pairs, 57 based on Foata normal form. 706/24351 useless extension candidates. Maximal degree in co-relation 612461. Up to 16507 conditions per place. [2023-11-30 01:11:15,851 INFO L140 encePairwiseOnDemand]: 242/271 looper letters, 3184 selfloop transitions, 1196 changer transitions 32/4513 dead transitions. [2023-11-30 01:11:15,851 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1238 places, 4513 transitions, 309501 flow [2023-11-30 01:11:15,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-11-30 01:11:15,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2023-11-30 01:11:15,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 4661 transitions. [2023-11-30 01:11:15,854 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5211897573521189 [2023-11-30 01:11:15,854 INFO L72 ComplementDD]: Start complementDD. Operand 33 states and 4661 transitions. [2023-11-30 01:11:15,854 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 4661 transitions. [2023-11-30 01:11:15,854 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:11:15,854 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 33 states and 4661 transitions. [2023-11-30 01:11:15,857 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 34 states, 33 states have (on average 141.24242424242425) internal successors, (4661), 33 states have internal predecessors, (4661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:11:15,860 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 34 states, 34 states have (on average 271.0) internal successors, (9214), 34 states have internal predecessors, (9214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:11:15,861 INFO L81 ComplementDD]: Finished complementDD. Result has 34 states, 34 states have (on average 271.0) internal successors, (9214), 34 states have internal predecessors, (9214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:11:15,861 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, 973 predicate places. [2023-11-30 01:11:15,861 INFO L500 AbstractCegarLoop]: Abstraction has has 1238 places, 4513 transitions, 309501 flow [2023-11-30 01:11:15,862 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 132.45) internal successors, (2649), 20 states have internal predecessors, (2649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:11:15,862 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:11:15,862 INFO L232 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] [2023-11-30 01:11:15,862 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2023-11-30 01:11:15,862 INFO L425 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:11:15,862 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:11:15,862 INFO L85 PathProgramCache]: Analyzing trace with hash -2082563138, now seen corresponding path program 28 times [2023-11-30 01:11:15,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:11:15,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225499289] [2023-11-30 01:11:15,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:11:15,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:11:15,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:11:16,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 01:11:16,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:11:16,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225499289] [2023-11-30 01:11:16,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225499289] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:11:16,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:11:16,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-30 01:11:16,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613001645] [2023-11-30 01:11:16,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:11:16,572 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 01:11:16,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:11:16,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 01:11:16,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2023-11-30 01:11:16,574 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 271 [2023-11-30 01:11:16,575 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1238 places, 4513 transitions, 309501 flow. Second operand has 20 states, 20 states have (on average 132.45) internal successors, (2649), 20 states have internal predecessors, (2649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:11:16,575 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:11:16,575 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 271 [2023-11-30 01:11:16,575 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:11:49,837 INFO L124 PetriNetUnfolderBase]: 11352/24128 cut-off events. [2023-11-30 01:11:49,837 INFO L125 PetriNetUnfolderBase]: For 1544223/1563885 co-relation queries the response was YES. [2023-11-30 01:11:49,874 INFO L83 FinitePrefix]: Finished finitePrefix Result has 694338 conditions, 24128 events. 11352/24128 cut-off events. For 1544223/1563885 co-relation queries the response was YES. Maximal size of possible extension queue 1214. Compared 241578 event pairs, 82 based on Foata normal form. 797/24795 useless extension candidates. Maximal degree in co-relation 689708. Up to 16812 conditions per place. [2023-11-30 01:11:50,354 INFO L140 encePairwiseOnDemand]: 242/271 looper letters, 3224 selfloop transitions, 1212 changer transitions 32/4569 dead transitions. [2023-11-30 01:11:50,354 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1272 places, 4569 transitions, 322415 flow [2023-11-30 01:11:50,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-11-30 01:11:50,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2023-11-30 01:11:50,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 4937 transitions. [2023-11-30 01:11:50,357 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5205060622034792 [2023-11-30 01:11:50,357 INFO L72 ComplementDD]: Start complementDD. Operand 35 states and 4937 transitions. [2023-11-30 01:11:50,357 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 4937 transitions. [2023-11-30 01:11:50,358 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:11:50,358 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 35 states and 4937 transitions. [2023-11-30 01:11:50,361 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 36 states, 35 states have (on average 141.05714285714285) internal successors, (4937), 35 states have internal predecessors, (4937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:11:50,365 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 36 states, 36 states have (on average 271.0) internal successors, (9756), 36 states have internal predecessors, (9756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:11:50,366 INFO L81 ComplementDD]: Finished complementDD. Result has 36 states, 36 states have (on average 271.0) internal successors, (9756), 36 states have internal predecessors, (9756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:11:50,366 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, 1007 predicate places. [2023-11-30 01:11:50,366 INFO L500 AbstractCegarLoop]: Abstraction has has 1272 places, 4569 transitions, 322415 flow [2023-11-30 01:11:50,366 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 132.45) internal successors, (2649), 20 states have internal predecessors, (2649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:11:50,366 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:11:50,366 INFO L232 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] [2023-11-30 01:11:50,366 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2023-11-30 01:11:50,366 INFO L425 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:11:50,367 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:11:50,367 INFO L85 PathProgramCache]: Analyzing trace with hash 1653700266, now seen corresponding path program 29 times [2023-11-30 01:11:50,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:11:50,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490809502] [2023-11-30 01:11:50,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:11:50,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:11:50,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:11:50,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 01:11:50,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:11:50,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490809502] [2023-11-30 01:11:50,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490809502] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:11:50,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:11:50,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-30 01:11:50,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201846939] [2023-11-30 01:11:50,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:11:50,875 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 01:11:50,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:11:50,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 01:11:50,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2023-11-30 01:11:50,877 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 271 [2023-11-30 01:11:50,878 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1272 places, 4569 transitions, 322415 flow. Second operand has 20 states, 20 states have (on average 132.45) internal successors, (2649), 20 states have internal predecessors, (2649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:11:50,878 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:11:50,878 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 271 [2023-11-30 01:11:50,878 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:12:28,770 INFO L124 PetriNetUnfolderBase]: 11806/25126 cut-off events. [2023-11-30 01:12:28,770 INFO L125 PetriNetUnfolderBase]: For 1649499/1682361 co-relation queries the response was YES. [2023-11-30 01:12:28,810 INFO L83 FinitePrefix]: Finished finitePrefix Result has 742521 conditions, 25126 events. 11806/25126 cut-off events. For 1649499/1682361 co-relation queries the response was YES. Maximal size of possible extension queue 1269. Compared 253902 event pairs, 76 based on Foata normal form. 610/25587 useless extension candidates. Maximal degree in co-relation 695170. Up to 17548 conditions per place. [2023-11-30 01:12:29,329 INFO L140 encePairwiseOnDemand]: 242/271 looper letters, 3221 selfloop transitions, 1335 changer transitions 32/4689 dead transitions. [2023-11-30 01:12:29,329 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1308 places, 4689 transitions, 340329 flow [2023-11-30 01:12:29,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-11-30 01:12:29,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2023-11-30 01:12:29,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 5225 transitions. [2023-11-30 01:12:29,333 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5210930487683255 [2023-11-30 01:12:29,333 INFO L72 ComplementDD]: Start complementDD. Operand 37 states and 5225 transitions. [2023-11-30 01:12:29,333 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 5225 transitions. [2023-11-30 01:12:29,334 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:12:29,334 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 37 states and 5225 transitions. [2023-11-30 01:12:29,337 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 38 states, 37 states have (on average 141.21621621621622) internal successors, (5225), 37 states have internal predecessors, (5225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:12:29,342 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 38 states, 38 states have (on average 271.0) internal successors, (10298), 38 states have internal predecessors, (10298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:12:29,343 INFO L81 ComplementDD]: Finished complementDD. Result has 38 states, 38 states have (on average 271.0) internal successors, (10298), 38 states have internal predecessors, (10298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:12:29,343 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, 1043 predicate places. [2023-11-30 01:12:29,343 INFO L500 AbstractCegarLoop]: Abstraction has has 1308 places, 4689 transitions, 340329 flow [2023-11-30 01:12:29,343 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 132.45) internal successors, (2649), 20 states have internal predecessors, (2649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:12:29,344 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:12:29,344 INFO L232 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] [2023-11-30 01:12:29,344 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2023-11-30 01:12:29,344 INFO L425 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:12:29,344 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:12:29,344 INFO L85 PathProgramCache]: Analyzing trace with hash 1556302948, now seen corresponding path program 30 times [2023-11-30 01:12:29,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:12:29,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967683106] [2023-11-30 01:12:29,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:12:29,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:12:29,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:12:30,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 01:12:30,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:12:30,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967683106] [2023-11-30 01:12:30,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967683106] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:12:30,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:12:30,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-30 01:12:30,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844523965] [2023-11-30 01:12:30,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:12:30,023 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 01:12:30,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:12:30,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 01:12:30,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=336, Unknown=0, NotChecked=0, Total=380 [2023-11-30 01:12:30,025 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 271 [2023-11-30 01:12:30,026 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1308 places, 4689 transitions, 340329 flow. Second operand has 20 states, 20 states have (on average 132.45) internal successors, (2649), 20 states have internal predecessors, (2649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:12:30,026 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:12:30,026 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 271 [2023-11-30 01:12:30,026 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:13:12,963 INFO L124 PetriNetUnfolderBase]: 12014/25655 cut-off events. [2023-11-30 01:13:12,963 INFO L125 PetriNetUnfolderBase]: For 1776964/1806804 co-relation queries the response was YES. [2023-11-30 01:13:13,011 INFO L83 FinitePrefix]: Finished finitePrefix Result has 777243 conditions, 25655 events. 12014/25655 cut-off events. For 1776964/1806804 co-relation queries the response was YES. Maximal size of possible extension queue 1297. Compared 260410 event pairs, 81 based on Foata normal form. 591/26100 useless extension candidates. Maximal degree in co-relation 728869. Up to 17916 conditions per place. [2023-11-30 01:13:13,735 INFO L140 encePairwiseOnDemand]: 242/271 looper letters, 3352 selfloop transitions, 1288 changer transitions 32/4773 dead transitions. [2023-11-30 01:13:13,735 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1343 places, 4773 transitions, 355943 flow [2023-11-30 01:13:13,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-11-30 01:13:13,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2023-11-30 01:13:13,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 5081 transitions. [2023-11-30 01:13:13,738 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5208077080770808 [2023-11-30 01:13:13,738 INFO L72 ComplementDD]: Start complementDD. Operand 36 states and 5081 transitions. [2023-11-30 01:13:13,738 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 5081 transitions. [2023-11-30 01:13:13,739 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:13:13,739 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 36 states and 5081 transitions. [2023-11-30 01:13:13,742 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 37 states, 36 states have (on average 141.13888888888889) internal successors, (5081), 36 states have internal predecessors, (5081), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:13:13,746 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 37 states, 37 states have (on average 271.0) internal successors, (10027), 37 states have internal predecessors, (10027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:13:13,746 INFO L81 ComplementDD]: Finished complementDD. Result has 37 states, 37 states have (on average 271.0) internal successors, (10027), 37 states have internal predecessors, (10027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:13:13,746 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, 1078 predicate places. [2023-11-30 01:13:13,746 INFO L500 AbstractCegarLoop]: Abstraction has has 1343 places, 4773 transitions, 355943 flow [2023-11-30 01:13:13,747 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 132.45) internal successors, (2649), 20 states have internal predecessors, (2649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:13:13,747 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:13:13,747 INFO L232 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] [2023-11-30 01:13:13,747 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2023-11-30 01:13:13,747 INFO L425 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:13:13,747 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:13:13,747 INFO L85 PathProgramCache]: Analyzing trace with hash 1791244814, now seen corresponding path program 31 times [2023-11-30 01:13:13,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:13:13,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598981500] [2023-11-30 01:13:13,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:13:13,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:13:13,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:13:14,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 01:13:14,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:13:14,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598981500] [2023-11-30 01:13:14,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598981500] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:13:14,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:13:14,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-30 01:13:14,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772388140] [2023-11-30 01:13:14,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:13:14,342 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 01:13:14,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:13:14,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 01:13:14,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2023-11-30 01:13:14,343 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 271 [2023-11-30 01:13:14,344 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1343 places, 4773 transitions, 355943 flow. Second operand has 20 states, 20 states have (on average 132.45) internal successors, (2649), 20 states have internal predecessors, (2649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:13:14,344 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:13:14,344 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 271 [2023-11-30 01:13:14,344 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:13:57,747 INFO L124 PetriNetUnfolderBase]: 12051/25780 cut-off events. [2023-11-30 01:13:57,747 INFO L125 PetriNetUnfolderBase]: For 1893476/1921728 co-relation queries the response was YES. [2023-11-30 01:13:57,792 INFO L83 FinitePrefix]: Finished finitePrefix Result has 801128 conditions, 25780 events. 12051/25780 cut-off events. For 1893476/1921728 co-relation queries the response was YES. Maximal size of possible extension queue 1304. Compared 262228 event pairs, 63 based on Foata normal form. 633/26284 useless extension candidates. Maximal degree in co-relation 737705. Up to 17983 conditions per place. [2023-11-30 01:13:58,373 INFO L140 encePairwiseOnDemand]: 242/271 looper letters, 3319 selfloop transitions, 1364 changer transitions 32/4816 dead transitions. [2023-11-30 01:13:58,373 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1379 places, 4816 transitions, 368677 flow [2023-11-30 01:13:58,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-11-30 01:13:58,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2023-11-30 01:13:58,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 5216 transitions. [2023-11-30 01:13:58,376 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5201954722249925 [2023-11-30 01:13:58,376 INFO L72 ComplementDD]: Start complementDD. Operand 37 states and 5216 transitions. [2023-11-30 01:13:58,376 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 5216 transitions. [2023-11-30 01:13:58,376 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:13:58,377 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 37 states and 5216 transitions. [2023-11-30 01:13:58,379 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 38 states, 37 states have (on average 140.97297297297297) internal successors, (5216), 37 states have internal predecessors, (5216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:13:58,383 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 38 states, 38 states have (on average 271.0) internal successors, (10298), 38 states have internal predecessors, (10298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:13:58,384 INFO L81 ComplementDD]: Finished complementDD. Result has 38 states, 38 states have (on average 271.0) internal successors, (10298), 38 states have internal predecessors, (10298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:13:58,384 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, 1114 predicate places. [2023-11-30 01:13:58,384 INFO L500 AbstractCegarLoop]: Abstraction has has 1379 places, 4816 transitions, 368677 flow [2023-11-30 01:13:58,385 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 132.45) internal successors, (2649), 20 states have internal predecessors, (2649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:13:58,385 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:13:58,385 INFO L232 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] [2023-11-30 01:13:58,385 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2023-11-30 01:13:58,385 INFO L425 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:13:58,385 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:13:58,385 INFO L85 PathProgramCache]: Analyzing trace with hash 376143648, now seen corresponding path program 32 times [2023-11-30 01:13:58,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:13:58,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476052655] [2023-11-30 01:13:58,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:13:58,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:13:58,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:13:58,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 01:13:58,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:13:58,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476052655] [2023-11-30 01:13:58,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476052655] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:13:58,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:13:58,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-30 01:13:58,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096391003] [2023-11-30 01:13:58,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:13:58,991 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 01:13:58,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:13:58,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 01:13:58,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2023-11-30 01:13:58,993 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 271 [2023-11-30 01:13:58,994 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1379 places, 4816 transitions, 368677 flow. Second operand has 20 states, 20 states have (on average 132.45) internal successors, (2649), 20 states have internal predecessors, (2649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:13:58,994 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:13:58,994 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 271 [2023-11-30 01:13:58,994 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:14:44,130 INFO L124 PetriNetUnfolderBase]: 12130/25973 cut-off events. [2023-11-30 01:14:44,131 INFO L125 PetriNetUnfolderBase]: For 2082773/2127977 co-relation queries the response was YES. [2023-11-30 01:14:44,178 INFO L83 FinitePrefix]: Finished finitePrefix Result has 827171 conditions, 25973 events. 12130/25973 cut-off events. For 2082773/2127977 co-relation queries the response was YES. Maximal size of possible extension queue 1310. Compared 264585 event pairs, 71 based on Foata normal form. 656/26523 useless extension candidates. Maximal degree in co-relation 760761. Up to 18097 conditions per place. [2023-11-30 01:14:44,791 INFO L140 encePairwiseOnDemand]: 242/271 looper letters, 3411 selfloop transitions, 1317 changer transitions 32/4861 dead transitions. [2023-11-30 01:14:44,791 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1414 places, 4861 transitions, 381763 flow [2023-11-30 01:14:44,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-11-30 01:14:44,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2023-11-30 01:14:44,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 5083 transitions. [2023-11-30 01:14:44,794 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5210127101271013 [2023-11-30 01:14:44,794 INFO L72 ComplementDD]: Start complementDD. Operand 36 states and 5083 transitions. [2023-11-30 01:14:44,794 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 5083 transitions. [2023-11-30 01:14:44,794 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:14:44,794 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 36 states and 5083 transitions. [2023-11-30 01:14:44,797 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 37 states, 36 states have (on average 141.19444444444446) internal successors, (5083), 36 states have internal predecessors, (5083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:14:44,801 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 37 states, 37 states have (on average 271.0) internal successors, (10027), 37 states have internal predecessors, (10027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:14:44,802 INFO L81 ComplementDD]: Finished complementDD. Result has 37 states, 37 states have (on average 271.0) internal successors, (10027), 37 states have internal predecessors, (10027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:14:44,802 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, 1149 predicate places. [2023-11-30 01:14:44,802 INFO L500 AbstractCegarLoop]: Abstraction has has 1414 places, 4861 transitions, 381763 flow [2023-11-30 01:14:44,803 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 132.45) internal successors, (2649), 20 states have internal predecessors, (2649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:14:44,803 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:14:44,803 INFO L232 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] [2023-11-30 01:14:44,803 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2023-11-30 01:14:44,803 INFO L425 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:14:44,803 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:14:44,803 INFO L85 PathProgramCache]: Analyzing trace with hash 1322313794, now seen corresponding path program 33 times [2023-11-30 01:14:44,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:14:44,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237170943] [2023-11-30 01:14:44,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:14:44,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:14:44,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:14:45,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 01:14:45,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:14:45,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237170943] [2023-11-30 01:14:45,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237170943] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:14:45,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:14:45,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-30 01:14:45,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375432730] [2023-11-30 01:14:45,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:14:45,523 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 01:14:45,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:14:45,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 01:14:45,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2023-11-30 01:14:45,524 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 271 [2023-11-30 01:14:45,525 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1414 places, 4861 transitions, 381763 flow. Second operand has 20 states, 20 states have (on average 132.45) internal successors, (2649), 20 states have internal predecessors, (2649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:14:45,525 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:14:45,525 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 271 [2023-11-30 01:14:45,525 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:15:33,249 INFO L124 PetriNetUnfolderBase]: 12910/27517 cut-off events. [2023-11-30 01:15:33,249 INFO L125 PetriNetUnfolderBase]: For 2289169/2338731 co-relation queries the response was YES. [2023-11-30 01:15:33,305 INFO L83 FinitePrefix]: Finished finitePrefix Result has 902644 conditions, 27517 events. 12910/27517 cut-off events. For 2289169/2338731 co-relation queries the response was YES. Maximal size of possible extension queue 1388. Compared 282430 event pairs, 54 based on Foata normal form. 705/28119 useless extension candidates. Maximal degree in co-relation 830965. Up to 19183 conditions per place. [2023-11-30 01:15:34,128 INFO L140 encePairwiseOnDemand]: 242/271 looper letters, 3780 selfloop transitions, 1357 changer transitions 32/5270 dead transitions. [2023-11-30 01:15:34,128 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1440 places, 5270 transitions, 424702 flow [2023-11-30 01:15:34,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-11-30 01:15:34,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2023-11-30 01:15:34,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 3847 transitions. [2023-11-30 01:15:34,135 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5257619242859095 [2023-11-30 01:15:34,135 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 3847 transitions. [2023-11-30 01:15:34,136 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 3847 transitions. [2023-11-30 01:15:34,136 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:15:34,136 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 3847 transitions. [2023-11-30 01:15:34,139 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 142.4814814814815) internal successors, (3847), 27 states have internal predecessors, (3847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:15:34,143 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 271.0) internal successors, (7588), 28 states have internal predecessors, (7588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:15:34,144 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 271.0) internal successors, (7588), 28 states have internal predecessors, (7588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:15:34,144 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, 1175 predicate places. [2023-11-30 01:15:34,144 INFO L500 AbstractCegarLoop]: Abstraction has has 1440 places, 5270 transitions, 424702 flow [2023-11-30 01:15:34,145 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 132.45) internal successors, (2649), 20 states have internal predecessors, (2649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:15:34,145 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:15:34,145 INFO L232 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] [2023-11-30 01:15:34,145 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2023-11-30 01:15:34,145 INFO L425 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:15:34,145 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:15:34,145 INFO L85 PathProgramCache]: Analyzing trace with hash 278231104, now seen corresponding path program 34 times [2023-11-30 01:15:34,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:15:34,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311344799] [2023-11-30 01:15:34,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:15:34,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:15:34,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:15:34,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 01:15:34,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:15:34,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311344799] [2023-11-30 01:15:34,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311344799] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:15:34,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:15:34,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-30 01:15:34,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667018378] [2023-11-30 01:15:34,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:15:34,720 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 01:15:34,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:15:34,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 01:15:34,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2023-11-30 01:15:34,721 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 271 [2023-11-30 01:15:34,722 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1440 places, 5270 transitions, 424702 flow. Second operand has 20 states, 20 states have (on average 132.45) internal successors, (2649), 20 states have internal predecessors, (2649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:15:34,722 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:15:34,722 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 271 [2023-11-30 01:15:34,722 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:16:29,095 INFO L124 PetriNetUnfolderBase]: 13430/28702 cut-off events. [2023-11-30 01:16:29,095 INFO L125 PetriNetUnfolderBase]: For 2363979/2386483 co-relation queries the response was YES. [2023-11-30 01:16:29,141 INFO L83 FinitePrefix]: Finished finitePrefix Result has 968986 conditions, 28702 events. 13430/28702 cut-off events. For 2363979/2386483 co-relation queries the response was YES. Maximal size of possible extension queue 1465. Compared 297639 event pairs, 35 based on Foata normal form. 781/29392 useless extension candidates. Maximal degree in co-relation 963570. Up to 20022 conditions per place. [2023-11-30 01:16:29,852 INFO L140 encePairwiseOnDemand]: 242/271 looper letters, 3999 selfloop transitions, 1492 changer transitions 32/5624 dead transitions. [2023-11-30 01:16:29,852 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1467 places, 5624 transitions, 464775 flow [2023-11-30 01:16:29,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-11-30 01:16:29,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2023-11-30 01:16:29,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 3997 transitions. [2023-11-30 01:16:29,856 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5267527675276753 [2023-11-30 01:16:29,856 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 3997 transitions. [2023-11-30 01:16:29,856 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 3997 transitions. [2023-11-30 01:16:29,857 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:16:29,857 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 3997 transitions. [2023-11-30 01:16:29,859 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 142.75) internal successors, (3997), 28 states have internal predecessors, (3997), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:16:29,864 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 271.0) internal successors, (7859), 29 states have internal predecessors, (7859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:16:29,864 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 271.0) internal successors, (7859), 29 states have internal predecessors, (7859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:16:29,865 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, 1202 predicate places. [2023-11-30 01:16:29,865 INFO L500 AbstractCegarLoop]: Abstraction has has 1467 places, 5624 transitions, 464775 flow [2023-11-30 01:16:29,865 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 132.45) internal successors, (2649), 20 states have internal predecessors, (2649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:16:29,865 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:16:29,865 INFO L232 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] [2023-11-30 01:16:29,866 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2023-11-30 01:16:29,866 INFO L425 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:16:29,866 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:16:29,866 INFO L85 PathProgramCache]: Analyzing trace with hash 1092963500, now seen corresponding path program 35 times [2023-11-30 01:16:29,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:16:29,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102487827] [2023-11-30 01:16:29,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:16:29,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:16:29,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:16:30,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 01:16:30,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:16:30,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102487827] [2023-11-30 01:16:30,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102487827] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:16:30,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:16:30,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-30 01:16:30,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396431043] [2023-11-30 01:16:30,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:16:30,596 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 01:16:30,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:16:30,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 01:16:30,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2023-11-30 01:16:30,599 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 271 [2023-11-30 01:16:30,600 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1467 places, 5624 transitions, 464775 flow. Second operand has 20 states, 20 states have (on average 132.45) internal successors, (2649), 20 states have internal predecessors, (2649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:16:30,600 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:16:30,600 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 271 [2023-11-30 01:16:30,600 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:17:33,063 INFO L124 PetriNetUnfolderBase]: 14117/30260 cut-off events. [2023-11-30 01:17:33,063 INFO L125 PetriNetUnfolderBase]: For 2760358/2800172 co-relation queries the response was YES. [2023-11-30 01:17:33,116 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1043731 conditions, 30260 events. 14117/30260 cut-off events. For 2760358/2800172 co-relation queries the response was YES. Maximal size of possible extension queue 1548. Compared 317185 event pairs, 40 based on Foata normal form. 791/30953 useless extension candidates. Maximal degree in co-relation 961004. Up to 20993 conditions per place. [2023-11-30 01:17:34,029 INFO L140 encePairwiseOnDemand]: 242/271 looper letters, 4263 selfloop transitions, 1636 changer transitions 32/6032 dead transitions. [2023-11-30 01:17:34,029 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1494 places, 6032 transitions, 510896 flow [2023-11-30 01:17:34,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-11-30 01:17:34,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2023-11-30 01:17:34,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 3994 transitions. [2023-11-30 01:17:34,037 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5263574064312072 [2023-11-30 01:17:34,037 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 3994 transitions. [2023-11-30 01:17:34,037 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 3994 transitions. [2023-11-30 01:17:34,038 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:17:34,038 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 3994 transitions. [2023-11-30 01:17:34,040 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 142.64285714285714) internal successors, (3994), 28 states have internal predecessors, (3994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:17:34,044 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 271.0) internal successors, (7859), 29 states have internal predecessors, (7859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:17:34,044 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 271.0) internal successors, (7859), 29 states have internal predecessors, (7859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:17:34,045 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, 1229 predicate places. [2023-11-30 01:17:34,045 INFO L500 AbstractCegarLoop]: Abstraction has has 1494 places, 6032 transitions, 510896 flow [2023-11-30 01:17:34,045 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 132.45) internal successors, (2649), 20 states have internal predecessors, (2649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:17:34,045 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:17:34,045 INFO L232 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] [2023-11-30 01:17:34,045 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2023-11-30 01:17:34,045 INFO L425 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:17:34,045 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:17:34,046 INFO L85 PathProgramCache]: Analyzing trace with hash 889888590, now seen corresponding path program 36 times [2023-11-30 01:17:34,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:17:34,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970629657] [2023-11-30 01:17:34,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:17:34,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:17:34,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:17:34,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 01:17:34,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:17:34,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970629657] [2023-11-30 01:17:34,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970629657] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:17:34,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:17:34,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-30 01:17:34,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144606485] [2023-11-30 01:17:34,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:17:34,593 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 01:17:34,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:17:34,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 01:17:34,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2023-11-30 01:17:34,595 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 271 [2023-11-30 01:17:34,597 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1494 places, 6032 transitions, 510896 flow. Second operand has 20 states, 20 states have (on average 132.45) internal successors, (2649), 20 states have internal predecessors, (2649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:17:34,597 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:17:34,597 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 271 [2023-11-30 01:17:34,597 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand Received shutdown request... [2023-11-30 01:17:43,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-11-30 01:17:43,101 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (24 of 25 remaining) [2023-11-30 01:17:43,102 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2023-11-30 01:17:43,102 WARN L624 AbstractCegarLoop]: Verification canceled: while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (20states, 130/271 universal loopers) in iteration 44,while PetriNetUnfolder was constructing finite prefix that currently has 106199 conditions, 3144 events (1373/3143 cut-off events. For 554368/584946 co-relation queries the response was YES. Maximal size of possible extension queue 1009. Compared 32401 event pairs, 9 based on Foata normal form. 166/4286 useless extension candidates. Maximal degree in co-relation 104107. Up to 1604 conditions per place.). [2023-11-30 01:17:43,103 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (23 of 25 remaining) [2023-11-30 01:17:43,104 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (22 of 25 remaining) [2023-11-30 01:17:43,104 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (21 of 25 remaining) [2023-11-30 01:17:43,105 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (20 of 25 remaining) [2023-11-30 01:17:43,105 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (19 of 25 remaining) [2023-11-30 01:17:43,105 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (18 of 25 remaining) [2023-11-30 01:17:43,105 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (17 of 25 remaining) [2023-11-30 01:17:43,106 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (16 of 25 remaining) [2023-11-30 01:17:43,106 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (15 of 25 remaining) [2023-11-30 01:17:43,106 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (14 of 25 remaining) [2023-11-30 01:17:43,106 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (13 of 25 remaining) [2023-11-30 01:17:43,106 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (12 of 25 remaining) [2023-11-30 01:17:43,106 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (11 of 25 remaining) [2023-11-30 01:17:43,106 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 25 remaining) [2023-11-30 01:17:43,106 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 25 remaining) [2023-11-30 01:17:43,106 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (8 of 25 remaining) [2023-11-30 01:17:43,106 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (7 of 25 remaining) [2023-11-30 01:17:43,107 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (6 of 25 remaining) [2023-11-30 01:17:43,107 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (5 of 25 remaining) [2023-11-30 01:17:43,107 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (4 of 25 remaining) [2023-11-30 01:17:43,107 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (3 of 25 remaining) [2023-11-30 01:17:43,107 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (2 of 25 remaining) [2023-11-30 01:17:43,107 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (1 of 25 remaining) [2023-11-30 01:17:43,107 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (0 of 25 remaining) [2023-11-30 01:17:43,108 INFO L457 BasicCegarLoop]: Path program histogram: [36, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 01:17:43,112 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-11-30 01:17:43,116 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-30 01:17:43,116 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-11-30 01:17:43,120 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 01:17:43 BasicIcfg [2023-11-30 01:17:43,120 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-30 01:17:43,120 INFO L158 Benchmark]: Toolchain (without parser) took 784576.86ms. Allocated memory was 341.8MB in the beginning and 7.9GB in the end (delta: 7.5GB). Free memory was 282.5MB in the beginning and 2.2GB in the end (delta: -1.9GB). Peak memory consumption was 5.7GB. Max. memory is 16.0GB. [2023-11-30 01:17:43,121 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 341.8MB. Free memory was 292.3MB in the beginning and 292.2MB in the end (delta: 167.9kB). There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 01:17:43,121 INFO L158 Benchmark]: CACSL2BoogieTranslator took 786.13ms. Allocated memory is still 341.8MB. Free memory was 282.5MB in the beginning and 229.1MB in the end (delta: 53.5MB). Peak memory consumption was 52.4MB. Max. memory is 16.0GB. [2023-11-30 01:17:43,121 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.43ms. Allocated memory is still 341.8MB. Free memory was 228.0MB in the beginning and 223.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-11-30 01:17:43,121 INFO L158 Benchmark]: Boogie Preprocessor took 51.68ms. Allocated memory is still 341.8MB. Free memory was 223.8MB in the beginning and 219.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-11-30 01:17:43,122 INFO L158 Benchmark]: RCFGBuilder took 964.65ms. Allocated memory is still 341.8MB. Free memory was 219.6MB in the beginning and 165.1MB in the end (delta: 54.5MB). Peak memory consumption was 54.5MB. Max. memory is 16.0GB. [2023-11-30 01:17:43,122 INFO L158 Benchmark]: TraceAbstraction took 782704.89ms. Allocated memory was 341.8MB in the beginning and 7.9GB in the end (delta: 7.5GB). Free memory was 164.0MB in the beginning and 2.2GB in the end (delta: -2.0GB). Peak memory consumption was 5.5GB. Max. memory is 16.0GB. [2023-11-30 01:17:43,123 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 341.8MB. Free memory was 292.3MB in the beginning and 292.2MB in the end (delta: 167.9kB). There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 786.13ms. Allocated memory is still 341.8MB. Free memory was 282.5MB in the beginning and 229.1MB in the end (delta: 53.5MB). Peak memory consumption was 52.4MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 62.43ms. Allocated memory is still 341.8MB. Free memory was 228.0MB in the beginning and 223.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 51.68ms. Allocated memory is still 341.8MB. Free memory was 223.8MB in the beginning and 219.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * RCFGBuilder took 964.65ms. Allocated memory is still 341.8MB. Free memory was 219.6MB in the beginning and 165.1MB in the end (delta: 54.5MB). Peak memory consumption was 54.5MB. Max. memory is 16.0GB. * TraceAbstraction took 782704.89ms. Allocated memory was 341.8MB in the beginning and 7.9GB in the end (delta: 7.5GB). Free memory was 164.0MB in the beginning and 2.2GB in the end (delta: -2.0GB). Peak memory consumption was 5.5GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 1722]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (20states, 130/271 universal loopers) in iteration 44,while PetriNetUnfolder was constructing finite prefix that currently has 106199 conditions, 3144 events (1373/3143 cut-off events. For 554368/584946 co-relation queries the response was YES. Maximal size of possible extension queue 1009. Compared 32401 event pairs, 9 based on Foata normal form. 166/4286 useless extension candidates. Maximal degree in co-relation 104107. Up to 1604 conditions per place.). - TimeoutResultAtElement [Line: 1708]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (20states, 130/271 universal loopers) in iteration 44,while PetriNetUnfolder was constructing finite prefix that currently has 106199 conditions, 3144 events (1373/3143 cut-off events. For 554368/584946 co-relation queries the response was YES. Maximal size of possible extension queue 1009. Compared 32401 event pairs, 9 based on Foata normal form. 166/4286 useless extension candidates. Maximal degree in co-relation 104107. Up to 1604 conditions per place.). - TimeoutResultAtElement [Line: 1709]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (20states, 130/271 universal loopers) in iteration 44,while PetriNetUnfolder was constructing finite prefix that currently has 106199 conditions, 3144 events (1373/3143 cut-off events. For 554368/584946 co-relation queries the response was YES. Maximal size of possible extension queue 1009. Compared 32401 event pairs, 9 based on Foata normal form. 166/4286 useless extension candidates. Maximal degree in co-relation 104107. Up to 1604 conditions per place.). - TimeoutResultAtElement [Line: 1756]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (20states, 130/271 universal loopers) in iteration 44,while PetriNetUnfolder was constructing finite prefix that currently has 106199 conditions, 3144 events (1373/3143 cut-off events. For 554368/584946 co-relation queries the response was YES. Maximal size of possible extension queue 1009. Compared 32401 event pairs, 9 based on Foata normal form. 166/4286 useless extension candidates. Maximal degree in co-relation 104107. Up to 1604 conditions per place.). - TimeoutResultAtElement [Line: 1724]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (20states, 130/271 universal loopers) in iteration 44,while PetriNetUnfolder was constructing finite prefix that currently has 106199 conditions, 3144 events (1373/3143 cut-off events. For 554368/584946 co-relation queries the response was YES. Maximal size of possible extension queue 1009. Compared 32401 event pairs, 9 based on Foata normal form. 166/4286 useless extension candidates. Maximal degree in co-relation 104107. Up to 1604 conditions per place.). - TimeoutResultAtElement [Line: 1727]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (20states, 130/271 universal loopers) in iteration 44,while PetriNetUnfolder was constructing finite prefix that currently has 106199 conditions, 3144 events (1373/3143 cut-off events. For 554368/584946 co-relation queries the response was YES. Maximal size of possible extension queue 1009. Compared 32401 event pairs, 9 based on Foata normal form. 166/4286 useless extension candidates. Maximal degree in co-relation 104107. Up to 1604 conditions per place.). - TimeoutResultAtElement [Line: 1730]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (20states, 130/271 universal loopers) in iteration 44,while PetriNetUnfolder was constructing finite prefix that currently has 106199 conditions, 3144 events (1373/3143 cut-off events. For 554368/584946 co-relation queries the response was YES. Maximal size of possible extension queue 1009. Compared 32401 event pairs, 9 based on Foata normal form. 166/4286 useless extension candidates. Maximal degree in co-relation 104107. Up to 1604 conditions per place.). - TimeoutResultAtElement [Line: 1757]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (20states, 130/271 universal loopers) in iteration 44,while PetriNetUnfolder was constructing finite prefix that currently has 106199 conditions, 3144 events (1373/3143 cut-off events. For 554368/584946 co-relation queries the response was YES. Maximal size of possible extension queue 1009. Compared 32401 event pairs, 9 based on Foata normal form. 166/4286 useless extension candidates. Maximal degree in co-relation 104107. Up to 1604 conditions per place.). - TimeoutResultAtElement [Line: 1733]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (20states, 130/271 universal loopers) in iteration 44,while PetriNetUnfolder was constructing finite prefix that currently has 106199 conditions, 3144 events (1373/3143 cut-off events. For 554368/584946 co-relation queries the response was YES. Maximal size of possible extension queue 1009. Compared 32401 event pairs, 9 based on Foata normal form. 166/4286 useless extension candidates. Maximal degree in co-relation 104107. Up to 1604 conditions per place.). - TimeoutResultAtElement [Line: 1735]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (20states, 130/271 universal loopers) in iteration 44,while PetriNetUnfolder was constructing finite prefix that currently has 106199 conditions, 3144 events (1373/3143 cut-off events. For 554368/584946 co-relation queries the response was YES. Maximal size of possible extension queue 1009. Compared 32401 event pairs, 9 based on Foata normal form. 166/4286 useless extension candidates. Maximal degree in co-relation 104107. Up to 1604 conditions per place.). - TimeoutResultAtElement [Line: 1758]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (20states, 130/271 universal loopers) in iteration 44,while PetriNetUnfolder was constructing finite prefix that currently has 106199 conditions, 3144 events (1373/3143 cut-off events. For 554368/584946 co-relation queries the response was YES. Maximal size of possible extension queue 1009. Compared 32401 event pairs, 9 based on Foata normal form. 166/4286 useless extension candidates. Maximal degree in co-relation 104107. Up to 1604 conditions per place.). - TimeoutResultAtElement [Line: 1759]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (20states, 130/271 universal loopers) in iteration 44,while PetriNetUnfolder was constructing finite prefix that currently has 106199 conditions, 3144 events (1373/3143 cut-off events. For 554368/584946 co-relation queries the response was YES. Maximal size of possible extension queue 1009. Compared 32401 event pairs, 9 based on Foata normal form. 166/4286 useless extension candidates. Maximal degree in co-relation 104107. Up to 1604 conditions per place.). - TimeoutResultAtElement [Line: 1752]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (20states, 130/271 universal loopers) in iteration 44,while PetriNetUnfolder was constructing finite prefix that currently has 106199 conditions, 3144 events (1373/3143 cut-off events. For 554368/584946 co-relation queries the response was YES. Maximal size of possible extension queue 1009. Compared 32401 event pairs, 9 based on Foata normal form. 166/4286 useless extension candidates. Maximal degree in co-relation 104107. Up to 1604 conditions per place.). - TimeoutResultAtElement [Line: 1753]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (20states, 130/271 universal loopers) in iteration 44,while PetriNetUnfolder was constructing finite prefix that currently has 106199 conditions, 3144 events (1373/3143 cut-off events. For 554368/584946 co-relation queries the response was YES. Maximal size of possible extension queue 1009. Compared 32401 event pairs, 9 based on Foata normal form. 166/4286 useless extension candidates. Maximal degree in co-relation 104107. Up to 1604 conditions per place.). - TimeoutResultAtElement [Line: 1714]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (20states, 130/271 universal loopers) in iteration 44,while PetriNetUnfolder was constructing finite prefix that currently has 106199 conditions, 3144 events (1373/3143 cut-off events. For 554368/584946 co-relation queries the response was YES. Maximal size of possible extension queue 1009. Compared 32401 event pairs, 9 based on Foata normal form. 166/4286 useless extension candidates. Maximal degree in co-relation 104107. Up to 1604 conditions per place.). - TimeoutResultAtElement [Line: 1713]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (20states, 130/271 universal loopers) in iteration 44,while PetriNetUnfolder was constructing finite prefix that currently has 106199 conditions, 3144 events (1373/3143 cut-off events. For 554368/584946 co-relation queries the response was YES. Maximal size of possible extension queue 1009. Compared 32401 event pairs, 9 based on Foata normal form. 166/4286 useless extension candidates. Maximal degree in co-relation 104107. Up to 1604 conditions per place.). - TimeoutResultAtElement [Line: 1694]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (20states, 130/271 universal loopers) in iteration 44,while PetriNetUnfolder was constructing finite prefix that currently has 106199 conditions, 3144 events (1373/3143 cut-off events. For 554368/584946 co-relation queries the response was YES. Maximal size of possible extension queue 1009. Compared 32401 event pairs, 9 based on Foata normal form. 166/4286 useless extension candidates. Maximal degree in co-relation 104107. Up to 1604 conditions per place.). - TimeoutResultAtElement [Line: 1697]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (20states, 130/271 universal loopers) in iteration 44,while PetriNetUnfolder was constructing finite prefix that currently has 106199 conditions, 3144 events (1373/3143 cut-off events. For 554368/584946 co-relation queries the response was YES. Maximal size of possible extension queue 1009. Compared 32401 event pairs, 9 based on Foata normal form. 166/4286 useless extension candidates. Maximal degree in co-relation 104107. Up to 1604 conditions per place.). - TimeoutResultAtElement [Line: 1700]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (20states, 130/271 universal loopers) in iteration 44,while PetriNetUnfolder was constructing finite prefix that currently has 106199 conditions, 3144 events (1373/3143 cut-off events. For 554368/584946 co-relation queries the response was YES. Maximal size of possible extension queue 1009. Compared 32401 event pairs, 9 based on Foata normal form. 166/4286 useless extension candidates. Maximal degree in co-relation 104107. Up to 1604 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 4 procedures, 284 locations, 25 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 782.6s, OverallIterations: 44, TraceHistogramMax: 1, PathProgramHistogramMax: 36, EmptinessCheckTime: 0.0s, AutomataDifference: 754.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 34061 SdHoareTripleChecker+Valid, 60.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 34061 mSDsluCounter, 13006 SdHoareTripleChecker+Invalid, 51.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10953 mSDsCounter, 1525 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 89890 IncrementalHoareTripleChecker+Invalid, 91415 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1525 mSolverCounterUnsat, 2053 mSDtfsCounter, 89890 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1852 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 1797 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17266 ImplicationChecksByTransitivity, 27.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=510896occurred in iteration=43, InterpolantAutomatonStates: 1300, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 26.6s InterpolantComputationTime, 3818 NumberOfCodeBlocks, 3818 NumberOfCodeBlocksAsserted, 44 NumberOfCheckSat, 3774 ConstructedInterpolants, 0 QuantifiedInterpolants, 35687 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 44 InterpolantComputations, 44 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown