/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_3-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-30 01:04:02,114 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-30 01:04:02,175 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 01:04:02,200 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-30 01:04:02,201 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-30 01:04:02,201 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-30 01:04:02,201 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-30 01:04:02,202 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-30 01:04:02,202 INFO L153 SettingsManager]: * Use SBE=true [2023-11-30 01:04:02,205 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-30 01:04:02,205 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-30 01:04:02,205 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-30 01:04:02,205 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-30 01:04:02,206 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-30 01:04:02,206 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-30 01:04:02,206 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-30 01:04:02,206 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-30 01:04:02,207 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-30 01:04:02,207 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-30 01:04:02,207 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-30 01:04:02,207 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-30 01:04:02,208 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-30 01:04:02,208 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-30 01:04:02,208 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-30 01:04:02,208 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-30 01:04:02,209 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 01:04:02,209 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-30 01:04:02,209 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-30 01:04:02,209 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-30 01:04:02,210 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-30 01:04:02,210 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-30 01:04:02,210 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-30 01:04:02,210 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-30 01:04:02,210 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2023-11-30 01:04:02,421 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-30 01:04:02,437 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-30 01:04:02,438 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-30 01:04:02,439 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-30 01:04:02,439 INFO L274 PluginConnector]: CDTParser initialized [2023-11-30 01:04:02,440 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_3-container_of.i [2023-11-30 01:04:03,404 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-30 01:04:03,671 INFO L384 CDTParser]: Found 1 translation units. [2023-11-30 01:04:03,671 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_3-container_of.i [2023-11-30 01:04:03,687 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b73e7b82/acf8bf4539704314bc20644931728448/FLAGa652e5240 [2023-11-30 01:04:03,701 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b73e7b82/acf8bf4539704314bc20644931728448 [2023-11-30 01:04:03,703 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-30 01:04:03,704 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-30 01:04:03,706 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-30 01:04:03,706 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-30 01:04:03,709 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-30 01:04:03,709 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:04:03" (1/1) ... [2023-11-30 01:04:03,710 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ee396f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:04:03, skipping insertion in model container [2023-11-30 01:04:03,711 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:04:03" (1/1) ... [2023-11-30 01:04:03,767 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-30 01:04:04,280 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 01:04:04,290 INFO L202 MainTranslator]: Completed pre-run [2023-11-30 01:04:04,335 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 01:04:04,420 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 01:04:04,420 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 01:04:04,425 INFO L206 MainTranslator]: Completed translation [2023-11-30 01:04:04,425 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:04:04 WrapperNode [2023-11-30 01:04:04,425 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-30 01:04:04,426 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-30 01:04:04,426 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-30 01:04:04,426 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-30 01:04:04,430 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:04:04" (1/1) ... [2023-11-30 01:04:04,446 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:04:04" (1/1) ... [2023-11-30 01:04:04,472 INFO L138 Inliner]: procedures = 469, calls = 64, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 244 [2023-11-30 01:04:04,473 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-30 01:04:04,473 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-30 01:04:04,473 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-30 01:04:04,473 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-30 01:04:04,485 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:04:04" (1/1) ... [2023-11-30 01:04:04,486 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:04:04" (1/1) ... [2023-11-30 01:04:04,491 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:04:04" (1/1) ... [2023-11-30 01:04:04,491 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:04:04" (1/1) ... [2023-11-30 01:04:04,505 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:04:04" (1/1) ... [2023-11-30 01:04:04,509 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:04:04" (1/1) ... [2023-11-30 01:04:04,512 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:04:04" (1/1) ... [2023-11-30 01:04:04,513 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:04:04" (1/1) ... [2023-11-30 01:04:04,517 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-30 01:04:04,518 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-30 01:04:04,518 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-30 01:04:04,518 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-30 01:04:04,519 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:04:04" (1/1) ... [2023-11-30 01:04:04,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 01:04:04,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 01:04:04,561 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 01:04:04,565 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 01:04:04,585 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-30 01:04:04,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-30 01:04:04,586 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-30 01:04:04,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-30 01:04:04,586 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-30 01:04:04,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-30 01:04:04,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-30 01:04:04,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-30 01:04:04,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-30 01:04:04,586 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-11-30 01:04:04,586 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-11-30 01:04:04,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-30 01:04:04,586 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-30 01:04:04,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-30 01:04:04,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-30 01:04:04,587 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 01:04:04,784 INFO L241 CfgBuilder]: Building ICFG [2023-11-30 01:04:04,786 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-30 01:04:05,144 INFO L282 CfgBuilder]: Performing block encoding [2023-11-30 01:04:05,231 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-30 01:04:05,231 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-30 01:04:05,233 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:04:05 BoogieIcfgContainer [2023-11-30 01:04:05,234 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-30 01:04:05,235 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-30 01:04:05,235 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-30 01:04:05,237 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-30 01:04:05,237 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 01:04:03" (1/3) ... [2023-11-30 01:04:05,238 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e70a6d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:04:05, skipping insertion in model container [2023-11-30 01:04:05,238 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:04:04" (2/3) ... [2023-11-30 01:04:05,238 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e70a6d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:04:05, skipping insertion in model container [2023-11-30 01:04:05,238 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:04:05" (3/3) ... [2023-11-30 01:04:05,239 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_3-container_of.i [2023-11-30 01:04:05,252 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-30 01:04:05,252 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2023-11-30 01:04:05,253 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-30 01:04:05,313 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-30 01:04:05,349 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 267 places, 271 transitions, 556 flow [2023-11-30 01:04:05,456 INFO L124 PetriNetUnfolderBase]: 14/359 cut-off events. [2023-11-30 01:04:05,457 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-30 01:04:05,464 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 760 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 01:04:05,464 INFO L82 GeneralOperation]: Start removeDead. Operand has 267 places, 271 transitions, 556 flow [2023-11-30 01:04:05,473 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 265 places, 268 transitions, 548 flow [2023-11-30 01:04:05,483 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-30 01:04:05,489 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;@6cb82e3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-30 01:04:05,489 INFO L363 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2023-11-30 01:04:05,496 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-30 01:04:05,496 INFO L124 PetriNetUnfolderBase]: 0/35 cut-off events. [2023-11-30 01:04:05,496 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 01:04:05,496 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:04:05,497 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 01:04:05,497 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:04:05,501 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:04:05,501 INFO L85 PathProgramCache]: Analyzing trace with hash 802471491, now seen corresponding path program 1 times [2023-11-30 01:04:05,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:04:05,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172262120] [2023-11-30 01:04:05,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:04:05,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:04:05,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:04:06,144 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 01:04:06,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:04:06,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172262120] [2023-11-30 01:04:06,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172262120] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:04:06,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:04:06,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 01:04:06,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896453690] [2023-11-30 01:04:06,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:04:06,152 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 01:04:06,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:04:06,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 01:04:06,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 01:04:06,179 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 271 [2023-11-30 01:04:06,185 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 01:04:06,185 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:04:06,185 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 271 [2023-11-30 01:04:06,186 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:04:07,096 INFO L124 PetriNetUnfolderBase]: 2166/5591 cut-off events. [2023-11-30 01:04:07,096 INFO L125 PetriNetUnfolderBase]: For 26/26 co-relation queries the response was YES. [2023-11-30 01:04:07,109 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9188 conditions, 5591 events. 2166/5591 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 176. Compared 44734 event pairs, 2165 based on Foata normal form. 152/5351 useless extension candidates. Maximal degree in co-relation 8760. Up to 3568 conditions per place. [2023-11-30 01:04:07,129 INFO L140 encePairwiseOnDemand]: 247/271 looper letters, 80 selfloop transitions, 5 changer transitions 24/237 dead transitions. [2023-11-30 01:04:07,129 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 247 places, 237 transitions, 658 flow [2023-11-30 01:04:07,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 01:04:07,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 01:04:07,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1077 transitions. [2023-11-30 01:04:07,144 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6623616236162362 [2023-11-30 01:04:07,144 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1077 transitions. [2023-11-30 01:04:07,145 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1077 transitions. [2023-11-30 01:04:07,148 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:04:07,149 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1077 transitions. [2023-11-30 01:04:07,155 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 01:04:07,161 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 01:04:07,161 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 01:04:07,164 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, -18 predicate places. [2023-11-30 01:04:07,165 INFO L500 AbstractCegarLoop]: Abstraction has has 247 places, 237 transitions, 658 flow [2023-11-30 01:04:07,165 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 01:04:07,166 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:04:07,166 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 01:04:07,166 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-30 01:04:07,166 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:04:07,167 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:04:07,167 INFO L85 PathProgramCache]: Analyzing trace with hash -2002313576, now seen corresponding path program 1 times [2023-11-30 01:04:07,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:04:07,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721839100] [2023-11-30 01:04:07,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:04:07,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:04:07,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:04:07,559 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 01:04:07,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:04:07,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721839100] [2023-11-30 01:04:07,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721839100] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:04:07,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:04:07,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 01:04:07,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827344215] [2023-11-30 01:04:07,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:04:07,564 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 01:04:07,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:04:07,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 01:04:07,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 01:04:07,567 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 271 [2023-11-30 01:04:07,568 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 01:04:07,568 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:04:07,568 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 271 [2023-11-30 01:04:07,568 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:04:08,406 INFO L124 PetriNetUnfolderBase]: 2166/5590 cut-off events. [2023-11-30 01:04:08,406 INFO L125 PetriNetUnfolderBase]: For 288/1370 co-relation queries the response was YES. [2023-11-30 01:04:08,414 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12758 conditions, 5590 events. 2166/5590 cut-off events. For 288/1370 co-relation queries the response was YES. Maximal size of possible extension queue 176. Compared 44689 event pairs, 2165 based on Foata normal form. 0/5199 useless extension candidates. Maximal degree in co-relation 12191. Up to 3567 conditions per place. [2023-11-30 01:04:08,435 INFO L140 encePairwiseOnDemand]: 265/271 looper letters, 79 selfloop transitions, 5 changer transitions 24/236 dead transitions. [2023-11-30 01:04:08,435 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 251 places, 236 transitions, 824 flow [2023-11-30 01:04:08,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 01:04:08,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 01:04:08,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1058 transitions. [2023-11-30 01:04:08,437 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6506765067650676 [2023-11-30 01:04:08,437 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1058 transitions. [2023-11-30 01:04:08,437 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1058 transitions. [2023-11-30 01:04:08,438 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:04:08,438 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1058 transitions. [2023-11-30 01:04:08,439 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 01:04:08,441 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 01:04:08,442 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 01:04:08,443 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, -14 predicate places. [2023-11-30 01:04:08,443 INFO L500 AbstractCegarLoop]: Abstraction has has 251 places, 236 transitions, 824 flow [2023-11-30 01:04:08,443 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 01:04:08,443 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:04:08,444 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 01:04:08,444 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-30 01:04:08,444 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:04:08,444 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:04:08,444 INFO L85 PathProgramCache]: Analyzing trace with hash 915437123, now seen corresponding path program 1 times [2023-11-30 01:04:08,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:04:08,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550595900] [2023-11-30 01:04:08,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:04:08,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:04:08,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:04:08,719 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 01:04:08,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:04:08,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550595900] [2023-11-30 01:04:08,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550595900] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:04:08,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:04:08,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 01:04:08,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142844335] [2023-11-30 01:04:08,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:04:08,721 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 01:04:08,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:04:08,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 01:04:08,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 01:04:08,725 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 271 [2023-11-30 01:04:08,727 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 01:04:08,727 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:04:08,727 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 271 [2023-11-30 01:04:08,730 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:04:09,912 INFO L124 PetriNetUnfolderBase]: 3078/6897 cut-off events. [2023-11-30 01:04:09,913 INFO L125 PetriNetUnfolderBase]: For 1877/2979 co-relation queries the response was YES. [2023-11-30 01:04:09,924 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21141 conditions, 6897 events. 3078/6897 cut-off events. For 1877/2979 co-relation queries the response was YES. Maximal size of possible extension queue 260. Compared 54289 event pairs, 2617 based on Foata normal form. 0/6510 useless extension candidates. Maximal degree in co-relation 20430. Up to 4669 conditions per place. [2023-11-30 01:04:09,953 INFO L140 encePairwiseOnDemand]: 258/271 looper letters, 102 selfloop transitions, 30 changer transitions 24/281 dead transitions. [2023-11-30 01:04:09,953 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 256 places, 281 transitions, 1364 flow [2023-11-30 01:04:09,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 01:04:09,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 01:04:09,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1068 transitions. [2023-11-30 01:04:09,955 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6568265682656826 [2023-11-30 01:04:09,955 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1068 transitions. [2023-11-30 01:04:09,955 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1068 transitions. [2023-11-30 01:04:09,956 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:04:09,956 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1068 transitions. [2023-11-30 01:04:09,957 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 01:04:09,959 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 01:04:09,960 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 01:04:09,960 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, -9 predicate places. [2023-11-30 01:04:09,961 INFO L500 AbstractCegarLoop]: Abstraction has has 256 places, 281 transitions, 1364 flow [2023-11-30 01:04:09,961 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 01:04:09,961 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:04:09,961 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 01:04:09,961 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-30 01:04:09,961 INFO L425 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:04:09,962 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:04:09,962 INFO L85 PathProgramCache]: Analyzing trace with hash 804183827, now seen corresponding path program 1 times [2023-11-30 01:04:09,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:04:09,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570397808] [2023-11-30 01:04:09,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:04:09,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:04:09,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:04:10,035 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 01:04:10,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:04:10,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570397808] [2023-11-30 01:04:10,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570397808] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:04:10,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:04:10,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 01:04:10,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051533205] [2023-11-30 01:04:10,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:04:10,036 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-30 01:04:10,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:04:10,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-30 01:04:10,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-30 01:04:10,038 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 218 out of 271 [2023-11-30 01:04:10,038 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 01:04:10,039 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:04:10,039 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 218 of 271 [2023-11-30 01:04:10,039 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:04:11,131 INFO L124 PetriNetUnfolderBase]: 3497/7635 cut-off events. [2023-11-30 01:04:11,131 INFO L125 PetriNetUnfolderBase]: For 7674/9048 co-relation queries the response was YES. [2023-11-30 01:04:11,141 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27227 conditions, 7635 events. 3497/7635 cut-off events. For 7674/9048 co-relation queries the response was YES. Maximal size of possible extension queue 270. Compared 59437 event pairs, 3037 based on Foata normal form. 0/7288 useless extension candidates. Maximal degree in co-relation 26345. Up to 5110 conditions per place. [2023-11-30 01:04:11,170 INFO L140 encePairwiseOnDemand]: 265/271 looper letters, 70 selfloop transitions, 4 changer transitions 26/288 dead transitions. [2023-11-30 01:04:11,170 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 261 places, 288 transitions, 1538 flow [2023-11-30 01:04:11,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 01:04:11,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 01:04:11,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1347 transitions. [2023-11-30 01:04:11,173 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8284132841328413 [2023-11-30 01:04:11,173 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1347 transitions. [2023-11-30 01:04:11,173 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1347 transitions. [2023-11-30 01:04:11,173 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:04:11,173 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1347 transitions. [2023-11-30 01:04:11,175 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 01:04:11,177 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 01:04:11,177 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 01:04:11,178 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, -4 predicate places. [2023-11-30 01:04:11,178 INFO L500 AbstractCegarLoop]: Abstraction has has 261 places, 288 transitions, 1538 flow [2023-11-30 01:04:11,178 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 01:04:11,178 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:04:11,178 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 01:04:11,178 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-30 01:04:11,179 INFO L425 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:04:11,179 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:04:11,179 INFO L85 PathProgramCache]: Analyzing trace with hash -371729868, now seen corresponding path program 1 times [2023-11-30 01:04:11,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:04:11,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385883035] [2023-11-30 01:04:11,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:04:11,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:04:11,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:04:11,478 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 01:04:11,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:04:11,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385883035] [2023-11-30 01:04:11,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385883035] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:04:11,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:04:11,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 01:04:11,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984757428] [2023-11-30 01:04:11,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:04:11,479 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 01:04:11,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:04:11,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 01:04:11,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 01:04:11,480 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 271 [2023-11-30 01:04:11,481 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 01:04:11,481 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:04:11,481 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 271 [2023-11-30 01:04:11,481 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:04:12,669 INFO L124 PetriNetUnfolderBase]: 3869/8251 cut-off events. [2023-11-30 01:04:12,670 INFO L125 PetriNetUnfolderBase]: For 10989/12833 co-relation queries the response was YES. [2023-11-30 01:04:12,685 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35643 conditions, 8251 events. 3869/8251 cut-off events. For 10989/12833 co-relation queries the response was YES. Maximal size of possible extension queue 283. Compared 64394 event pairs, 2949 based on Foata normal form. 0/7910 useless extension candidates. Maximal degree in co-relation 34598. Up to 5604 conditions per place. [2023-11-30 01:04:12,728 INFO L140 encePairwiseOnDemand]: 258/271 looper letters, 146 selfloop transitions, 30 changer transitions 26/333 dead transitions. [2023-11-30 01:04:12,729 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 266 places, 333 transitions, 2338 flow [2023-11-30 01:04:12,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 01:04:12,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 01:04:12,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1068 transitions. [2023-11-30 01:04:12,731 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6568265682656826 [2023-11-30 01:04:12,731 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1068 transitions. [2023-11-30 01:04:12,731 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1068 transitions. [2023-11-30 01:04:12,731 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:04:12,731 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1068 transitions. [2023-11-30 01:04:12,733 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 01:04:12,734 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 01:04:12,735 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 01:04:12,735 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, 1 predicate places. [2023-11-30 01:04:12,735 INFO L500 AbstractCegarLoop]: Abstraction has has 266 places, 333 transitions, 2338 flow [2023-11-30 01:04:12,736 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 01:04:12,736 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:04:12,736 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 01:04:12,736 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-30 01:04:12,736 INFO L425 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:04:12,736 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:04:12,737 INFO L85 PathProgramCache]: Analyzing trace with hash 486672689, now seen corresponding path program 1 times [2023-11-30 01:04:12,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:04:12,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892118977] [2023-11-30 01:04:12,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:04:12,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:04:12,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:04:13,050 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 01:04:13,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:04:13,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892118977] [2023-11-30 01:04:13,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892118977] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:04:13,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:04:13,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 01:04:13,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419657735] [2023-11-30 01:04:13,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:04:13,052 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 01:04:13,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:04:13,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 01:04:13,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 01:04:13,053 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 271 [2023-11-30 01:04:13,054 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 266 places, 333 transitions, 2338 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 01:04:13,054 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:04:13,054 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 271 [2023-11-30 01:04:13,054 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:04:14,697 INFO L124 PetriNetUnfolderBase]: 4537/9640 cut-off events. [2023-11-30 01:04:14,697 INFO L125 PetriNetUnfolderBase]: For 14794/17486 co-relation queries the response was YES. [2023-11-30 01:04:14,714 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48731 conditions, 9640 events. 4537/9640 cut-off events. For 14794/17486 co-relation queries the response was YES. Maximal size of possible extension queue 281. Compared 76913 event pairs, 2461 based on Foata normal form. 0/9238 useless extension candidates. Maximal degree in co-relation 47537. Up to 6681 conditions per place. [2023-11-30 01:04:14,768 INFO L140 encePairwiseOnDemand]: 254/271 looper letters, 198 selfloop transitions, 26 changer transitions 29/387 dead transitions. [2023-11-30 01:04:14,768 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 270 places, 387 transitions, 3410 flow [2023-11-30 01:04:14,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 01:04:14,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 01:04:14,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1088 transitions. [2023-11-30 01:04:14,771 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6691266912669127 [2023-11-30 01:04:14,771 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1088 transitions. [2023-11-30 01:04:14,771 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1088 transitions. [2023-11-30 01:04:14,771 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:04:14,771 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1088 transitions. [2023-11-30 01:04:14,773 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 01:04:14,774 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 01:04:14,775 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 01:04:14,775 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, 5 predicate places. [2023-11-30 01:04:14,775 INFO L500 AbstractCegarLoop]: Abstraction has has 270 places, 387 transitions, 3410 flow [2023-11-30 01:04:14,776 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 01:04:14,776 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:04:14,776 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] [2023-11-30 01:04:14,776 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-30 01:04:14,776 INFO L425 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:04:14,776 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:04:14,776 INFO L85 PathProgramCache]: Analyzing trace with hash -1994589174, now seen corresponding path program 1 times [2023-11-30 01:04:14,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:04:14,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812506324] [2023-11-30 01:04:14,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:04:14,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:04:14,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:04:15,162 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 01:04:15,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:04:15,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812506324] [2023-11-30 01:04:15,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812506324] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:04:15,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:04:15,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 01:04:15,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682128529] [2023-11-30 01:04:15,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:04:15,166 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 01:04:15,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:04:15,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 01:04:15,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 01:04:15,168 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 167 out of 271 [2023-11-30 01:04:15,169 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 270 places, 387 transitions, 3410 flow. Second operand has 6 states, 6 states have (on average 171.16666666666666) internal successors, (1027), 6 states have internal predecessors, (1027), 0 states have call successors, (0), 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 01:04:15,169 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:04:15,169 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 271 [2023-11-30 01:04:15,169 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:04:16,987 INFO L124 PetriNetUnfolderBase]: 4853/10348 cut-off events. [2023-11-30 01:04:16,987 INFO L125 PetriNetUnfolderBase]: For 22072/25212 co-relation queries the response was YES. [2023-11-30 01:04:17,001 INFO L83 FinitePrefix]: Finished finitePrefix Result has 59479 conditions, 10348 events. 4853/10348 cut-off events. For 22072/25212 co-relation queries the response was YES. Maximal size of possible extension queue 330. Compared 83862 event pairs, 2293 based on Foata normal form. 0/9939 useless extension candidates. Maximal degree in co-relation 57388. Up to 7210 conditions per place. [2023-11-30 01:04:17,054 INFO L140 encePairwiseOnDemand]: 260/271 looper letters, 258 selfloop transitions, 22 changer transitions 29/451 dead transitions. [2023-11-30 01:04:17,054 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 275 places, 451 transitions, 4832 flow [2023-11-30 01:04:17,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 01:04:17,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 01:04:17,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1146 transitions. [2023-11-30 01:04:17,056 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7047970479704797 [2023-11-30 01:04:17,056 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1146 transitions. [2023-11-30 01:04:17,056 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1146 transitions. [2023-11-30 01:04:17,057 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:04:17,057 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1146 transitions. [2023-11-30 01:04:17,058 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 191.0) internal successors, (1146), 6 states have internal predecessors, (1146), 0 states have call successors, (0), 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 01:04:17,060 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 01:04:17,060 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 01:04:17,061 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, 10 predicate places. [2023-11-30 01:04:17,061 INFO L500 AbstractCegarLoop]: Abstraction has has 275 places, 451 transitions, 4832 flow [2023-11-30 01:04:17,061 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 171.16666666666666) internal successors, (1027), 6 states have internal predecessors, (1027), 0 states have call successors, (0), 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 01:04:17,061 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:04:17,061 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, 1, 1, 1] [2023-11-30 01:04:17,062 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-30 01:04:17,062 INFO L425 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:04:17,062 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:04:17,062 INFO L85 PathProgramCache]: Analyzing trace with hash -1601618905, now seen corresponding path program 1 times [2023-11-30 01:04:17,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:04:17,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237623451] [2023-11-30 01:04:17,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:04:17,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:04:17,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:04:17,148 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 01:04:17,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:04:17,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237623451] [2023-11-30 01:04:17,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237623451] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:04:17,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:04:17,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 01:04:17,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660918784] [2023-11-30 01:04:17,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:04:17,150 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-30 01:04:17,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:04:17,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-30 01:04:17,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-30 01:04:17,152 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 218 out of 271 [2023-11-30 01:04:17,152 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 275 places, 451 transitions, 4832 flow. Second operand has 5 states, 5 states have (on average 221.4) internal successors, (1107), 5 states have internal predecessors, (1107), 0 states have call successors, (0), 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 01:04:17,152 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:04:17,153 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 218 of 271 [2023-11-30 01:04:17,153 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:04:17,632 INFO L124 PetriNetUnfolderBase]: 1461/3217 cut-off events. [2023-11-30 01:04:17,633 INFO L125 PetriNetUnfolderBase]: For 14082/17454 co-relation queries the response was YES. [2023-11-30 01:04:17,638 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20490 conditions, 3217 events. 1461/3217 cut-off events. For 14082/17454 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 21146 event pairs, 286 based on Foata normal form. 0/3128 useless extension candidates. Maximal degree in co-relation 18300. Up to 2234 conditions per place. [2023-11-30 01:04:17,658 INFO L140 encePairwiseOnDemand]: 265/271 looper letters, 111 selfloop transitions, 4 changer transitions 29/344 dead transitions. [2023-11-30 01:04:17,658 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 277 places, 344 transitions, 3460 flow [2023-11-30 01:04:17,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 01:04:17,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 01:04:17,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1386 transitions. [2023-11-30 01:04:17,661 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8523985239852399 [2023-11-30 01:04:17,661 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1386 transitions. [2023-11-30 01:04:17,661 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1386 transitions. [2023-11-30 01:04:17,661 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:04:17,661 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1386 transitions. [2023-11-30 01:04:17,663 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 01:04:17,665 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 01:04:17,665 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 01:04:17,666 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, 12 predicate places. [2023-11-30 01:04:17,666 INFO L500 AbstractCegarLoop]: Abstraction has has 277 places, 344 transitions, 3460 flow [2023-11-30 01:04:17,666 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 221.4) internal successors, (1107), 5 states have internal predecessors, (1107), 0 states have call successors, (0), 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 01:04:17,666 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:04:17,667 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, 1, 1, 1, 1] [2023-11-30 01:04:17,667 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-30 01:04:17,667 INFO L425 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:04:17,667 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:04:17,667 INFO L85 PathProgramCache]: Analyzing trace with hash 474539489, now seen corresponding path program 1 times [2023-11-30 01:04:17,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:04:17,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993340934] [2023-11-30 01:04:17,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:04:17,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:04:17,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:04:18,049 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 01:04:18,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:04:18,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993340934] [2023-11-30 01:04:18,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993340934] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:04:18,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:04:18,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 01:04:18,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13562876] [2023-11-30 01:04:18,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:04:18,050 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 01:04:18,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:04:18,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 01:04:18,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 01:04:18,051 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 271 [2023-11-30 01:04:18,053 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 277 places, 344 transitions, 3460 flow. Second operand has 6 states, 6 states have (on average 163.16666666666666) internal successors, (979), 6 states have internal predecessors, (979), 0 states have call successors, (0), 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 01:04:18,053 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:04:18,053 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 271 [2023-11-30 01:04:18,053 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:04:18,553 INFO L124 PetriNetUnfolderBase]: 1461/3255 cut-off events. [2023-11-30 01:04:18,554 INFO L125 PetriNetUnfolderBase]: For 14485/18315 co-relation queries the response was YES. [2023-11-30 01:04:18,559 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22740 conditions, 3255 events. 1461/3255 cut-off events. For 14485/18315 co-relation queries the response was YES. Maximal size of possible extension queue 150. Compared 21550 event pairs, 346 based on Foata normal form. 0/3170 useless extension candidates. Maximal degree in co-relation 20325. Up to 2230 conditions per place. [2023-11-30 01:04:18,579 INFO L140 encePairwiseOnDemand]: 259/271 looper letters, 132 selfloop transitions, 0 changer transitions 128/347 dead transitions. [2023-11-30 01:04:18,580 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 347 transitions, 3890 flow [2023-11-30 01:04:18,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 01:04:18,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 01:04:18,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1036 transitions. [2023-11-30 01:04:18,583 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6371463714637147 [2023-11-30 01:04:18,585 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1036 transitions. [2023-11-30 01:04:18,585 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1036 transitions. [2023-11-30 01:04:18,586 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:04:18,586 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1036 transitions. [2023-11-30 01:04:18,587 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 172.66666666666666) internal successors, (1036), 6 states have internal predecessors, (1036), 0 states have call successors, (0), 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 01:04:18,591 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 01:04:18,591 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 01:04:18,592 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, 15 predicate places. [2023-11-30 01:04:18,592 INFO L500 AbstractCegarLoop]: Abstraction has has 280 places, 347 transitions, 3890 flow [2023-11-30 01:04:18,592 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 163.16666666666666) internal successors, (979), 6 states have internal predecessors, (979), 0 states have call successors, (0), 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 01:04:18,592 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:04:18,592 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, 1, 1, 1, 1] [2023-11-30 01:04:18,593 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-30 01:04:18,593 INFO L425 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:04:18,593 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:04:18,593 INFO L85 PathProgramCache]: Analyzing trace with hash -1426463445, now seen corresponding path program 1 times [2023-11-30 01:04:18,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:04:18,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383813] [2023-11-30 01:04:18,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:04:18,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:04:18,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:04:19,466 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 01:04:19,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:04:19,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383813] [2023-11-30 01:04:19,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383813] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:04:19,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:04:19,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-11-30 01:04:19,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429038694] [2023-11-30 01:04:19,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:04:19,470 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-11-30 01:04:19,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:04:19,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-11-30 01:04:19,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2023-11-30 01:04:19,473 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 271 [2023-11-30 01:04:19,475 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 347 transitions, 3890 flow. Second operand has 19 states, 19 states have (on average 132.78947368421052) internal successors, (2523), 19 states have internal predecessors, (2523), 0 states have call successors, (0), 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 01:04:19,475 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:04:19,475 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 271 [2023-11-30 01:04:19,475 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:04:23,285 INFO L124 PetriNetUnfolderBase]: 3778/7411 cut-off events. [2023-11-30 01:04:23,288 INFO L125 PetriNetUnfolderBase]: For 66301/69747 co-relation queries the response was YES. [2023-11-30 01:04:23,305 INFO L83 FinitePrefix]: Finished finitePrefix Result has 52851 conditions, 7411 events. 3778/7411 cut-off events. For 66301/69747 co-relation queries the response was YES. Maximal size of possible extension queue 209. Compared 52018 event pairs, 149 based on Foata normal form. 13/7297 useless extension candidates. Maximal degree in co-relation 49247. Up to 4550 conditions per place. [2023-11-30 01:04:23,357 INFO L140 encePairwiseOnDemand]: 245/271 looper letters, 741 selfloop transitions, 117 changer transitions 191/1110 dead transitions. [2023-11-30 01:04:23,357 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 329 places, 1110 transitions, 19423 flow [2023-11-30 01:04:23,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-11-30 01:04:23,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2023-11-30 01:04:23,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 7053 transitions. [2023-11-30 01:04:23,371 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5205166051660517 [2023-11-30 01:04:23,371 INFO L72 ComplementDD]: Start complementDD. Operand 50 states and 7053 transitions. [2023-11-30 01:04:23,371 INFO L73 IsDeterministic]: Start isDeterministic. Operand 50 states and 7053 transitions. [2023-11-30 01:04:23,374 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:04:23,374 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 50 states and 7053 transitions. [2023-11-30 01:04:23,395 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 51 states, 50 states have (on average 141.06) internal successors, (7053), 50 states have internal predecessors, (7053), 0 states have call successors, (0), 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 01:04:23,411 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 51 states, 51 states have (on average 271.0) internal successors, (13821), 51 states have internal predecessors, (13821), 0 states have call successors, (0), 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 01:04:23,413 INFO L81 ComplementDD]: Finished complementDD. Result has 51 states, 51 states have (on average 271.0) internal successors, (13821), 51 states have internal predecessors, (13821), 0 states have call successors, (0), 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 01:04:23,413 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, 64 predicate places. [2023-11-30 01:04:23,413 INFO L500 AbstractCegarLoop]: Abstraction has has 329 places, 1110 transitions, 19423 flow [2023-11-30 01:04:23,414 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 132.78947368421052) internal successors, (2523), 19 states have internal predecessors, (2523), 0 states have call successors, (0), 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 01:04:23,414 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:04:23,414 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, 1, 1, 1, 1] [2023-11-30 01:04:23,414 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-30 01:04:23,414 INFO L425 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:04:23,415 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:04:23,415 INFO L85 PathProgramCache]: Analyzing trace with hash -281653097, now seen corresponding path program 2 times [2023-11-30 01:04:23,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:04:23,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047513125] [2023-11-30 01:04:23,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:04:23,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:04:23,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:04:24,232 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 01:04:24,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:04:24,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047513125] [2023-11-30 01:04:24,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047513125] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:04:24,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:04:24,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-30 01:04:24,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202247763] [2023-11-30 01:04:24,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:04:24,234 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 01:04:24,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:04:24,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 01:04:24,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2023-11-30 01:04:24,238 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 271 [2023-11-30 01:04:24,242 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 329 places, 1110 transitions, 19423 flow. Second operand has 20 states, 20 states have (on average 132.65) internal successors, (2653), 20 states have internal predecessors, (2653), 0 states have call successors, (0), 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 01:04:24,243 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:04:24,243 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 271 [2023-11-30 01:04:24,243 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:04:28,949 INFO L124 PetriNetUnfolderBase]: 4159/8430 cut-off events. [2023-11-30 01:04:28,950 INFO L125 PetriNetUnfolderBase]: For 80028/84687 co-relation queries the response was YES. [2023-11-30 01:04:28,965 INFO L83 FinitePrefix]: Finished finitePrefix Result has 66533 conditions, 8430 events. 4159/8430 cut-off events. For 80028/84687 co-relation queries the response was YES. Maximal size of possible extension queue 238. Compared 60299 event pairs, 104 based on Foata normal form. 152/8428 useless extension candidates. Maximal degree in co-relation 60788. Up to 5188 conditions per place. [2023-11-30 01:04:29,020 INFO L140 encePairwiseOnDemand]: 243/271 looper letters, 863 selfloop transitions, 158 changer transitions 277/1359 dead transitions. [2023-11-30 01:04:29,020 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 373 places, 1359 transitions, 26557 flow [2023-11-30 01:04:29,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-11-30 01:04:29,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2023-11-30 01:04:29,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 6390 transitions. [2023-11-30 01:04:29,027 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5239852398523985 [2023-11-30 01:04:29,027 INFO L72 ComplementDD]: Start complementDD. Operand 45 states and 6390 transitions. [2023-11-30 01:04:29,027 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 6390 transitions. [2023-11-30 01:04:29,028 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:04:29,028 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 45 states and 6390 transitions. [2023-11-30 01:04:29,034 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 46 states, 45 states have (on average 142.0) internal successors, (6390), 45 states have internal predecessors, (6390), 0 states have call successors, (0), 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 01:04:29,043 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 46 states, 46 states have (on average 271.0) internal successors, (12466), 46 states have internal predecessors, (12466), 0 states have call successors, (0), 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 01:04:29,044 INFO L81 ComplementDD]: Finished complementDD. Result has 46 states, 46 states have (on average 271.0) internal successors, (12466), 46 states have internal predecessors, (12466), 0 states have call successors, (0), 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 01:04:29,045 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, 108 predicate places. [2023-11-30 01:04:29,045 INFO L500 AbstractCegarLoop]: Abstraction has has 373 places, 1359 transitions, 26557 flow [2023-11-30 01:04:29,045 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 132.65) internal successors, (2653), 20 states have internal predecessors, (2653), 0 states have call successors, (0), 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 01:04:29,045 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:04:29,045 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, 1, 1, 1, 1] [2023-11-30 01:04:29,046 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-30 01:04:29,046 INFO L425 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:04:29,046 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:04:29,046 INFO L85 PathProgramCache]: Analyzing trace with hash 1974676271, now seen corresponding path program 3 times [2023-11-30 01:04:29,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:04:29,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242408296] [2023-11-30 01:04:29,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:04:29,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:04:29,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:04:29,840 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 01:04:29,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:04:29,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242408296] [2023-11-30 01:04:29,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242408296] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:04:29,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:04:29,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-30 01:04:29,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106259410] [2023-11-30 01:04:29,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:04:29,841 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 01:04:29,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:04:29,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 01:04:29,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2023-11-30 01:04:29,845 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 271 [2023-11-30 01:04:29,846 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 373 places, 1359 transitions, 26557 flow. Second operand has 20 states, 20 states have (on average 132.65) internal successors, (2653), 20 states have internal predecessors, (2653), 0 states have call successors, (0), 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 01:04:29,846 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:04:29,846 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 271 [2023-11-30 01:04:29,846 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:04:35,002 INFO L124 PetriNetUnfolderBase]: 4470/9219 cut-off events. [2023-11-30 01:04:35,002 INFO L125 PetriNetUnfolderBase]: For 99142/105805 co-relation queries the response was YES. [2023-11-30 01:04:35,017 INFO L83 FinitePrefix]: Finished finitePrefix Result has 81123 conditions, 9219 events. 4470/9219 cut-off events. For 99142/105805 co-relation queries the response was YES. Maximal size of possible extension queue 264. Compared 66921 event pairs, 99 based on Foata normal form. 196/9240 useless extension candidates. Maximal degree in co-relation 73807. Up to 5813 conditions per place. [2023-11-30 01:04:35,077 INFO L140 encePairwiseOnDemand]: 243/271 looper letters, 928 selfloop transitions, 185 changer transitions 363/1537 dead transitions. [2023-11-30 01:04:35,077 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 419 places, 1537 transitions, 33079 flow [2023-11-30 01:04:35,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-11-30 01:04:35,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2023-11-30 01:04:35,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 6668 transitions. [2023-11-30 01:04:35,086 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5235141713119259 [2023-11-30 01:04:35,086 INFO L72 ComplementDD]: Start complementDD. Operand 47 states and 6668 transitions. [2023-11-30 01:04:35,086 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 6668 transitions. [2023-11-30 01:04:35,087 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:04:35,087 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 47 states and 6668 transitions. [2023-11-30 01:04:35,094 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 48 states, 47 states have (on average 141.87234042553192) internal successors, (6668), 47 states have internal predecessors, (6668), 0 states have call successors, (0), 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 01:04:35,104 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 48 states, 48 states have (on average 271.0) internal successors, (13008), 48 states have internal predecessors, (13008), 0 states have call successors, (0), 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 01:04:35,106 INFO L81 ComplementDD]: Finished complementDD. Result has 48 states, 48 states have (on average 271.0) internal successors, (13008), 48 states have internal predecessors, (13008), 0 states have call successors, (0), 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 01:04:35,106 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, 154 predicate places. [2023-11-30 01:04:35,107 INFO L500 AbstractCegarLoop]: Abstraction has has 419 places, 1537 transitions, 33079 flow [2023-11-30 01:04:35,107 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 132.65) internal successors, (2653), 20 states have internal predecessors, (2653), 0 states have call successors, (0), 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 01:04:35,107 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:04:35,107 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, 1, 1, 1, 1] [2023-11-30 01:04:35,107 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-30 01:04:35,107 INFO L425 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:04:35,108 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:04:35,108 INFO L85 PathProgramCache]: Analyzing trace with hash -1131508821, now seen corresponding path program 4 times [2023-11-30 01:04:35,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:04:35,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093908862] [2023-11-30 01:04:35,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:04:35,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:04:35,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:04:35,773 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 01:04:35,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:04:35,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093908862] [2023-11-30 01:04:35,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093908862] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:04:35,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:04:35,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-30 01:04:35,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927672909] [2023-11-30 01:04:35,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:04:35,774 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 01:04:35,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:04:35,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 01:04:35,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2023-11-30 01:04:35,776 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 271 [2023-11-30 01:04:35,777 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 419 places, 1537 transitions, 33079 flow. Second operand has 20 states, 20 states have (on average 132.65) internal successors, (2653), 20 states have internal predecessors, (2653), 0 states have call successors, (0), 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 01:04:35,777 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:04:35,777 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 271 [2023-11-30 01:04:35,777 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:04:41,192 INFO L124 PetriNetUnfolderBase]: 5071/10690 cut-off events. [2023-11-30 01:04:41,192 INFO L125 PetriNetUnfolderBase]: For 119345/127230 co-relation queries the response was YES. [2023-11-30 01:04:41,213 INFO L83 FinitePrefix]: Finished finitePrefix Result has 103699 conditions, 10690 events. 5071/10690 cut-off events. For 119345/127230 co-relation queries the response was YES. Maximal size of possible extension queue 330. Compared 80681 event pairs, 93 based on Foata normal form. 311/10788 useless extension candidates. Maximal degree in co-relation 98203. Up to 6940 conditions per place. [2023-11-30 01:04:41,311 INFO L140 encePairwiseOnDemand]: 243/271 looper letters, 1049 selfloop transitions, 238 changer transitions 449/1797 dead transitions. [2023-11-30 01:04:41,311 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 465 places, 1797 transitions, 42525 flow [2023-11-30 01:04:41,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-11-30 01:04:41,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2023-11-30 01:04:41,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 6684 transitions. [2023-11-30 01:04:41,316 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5247703540865196 [2023-11-30 01:04:41,316 INFO L72 ComplementDD]: Start complementDD. Operand 47 states and 6684 transitions. [2023-11-30 01:04:41,317 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 6684 transitions. [2023-11-30 01:04:41,318 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:04:41,318 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 47 states and 6684 transitions. [2023-11-30 01:04:41,324 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 48 states, 47 states have (on average 142.2127659574468) internal successors, (6684), 47 states have internal predecessors, (6684), 0 states have call successors, (0), 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 01:04:41,333 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 48 states, 48 states have (on average 271.0) internal successors, (13008), 48 states have internal predecessors, (13008), 0 states have call successors, (0), 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 01:04:41,335 INFO L81 ComplementDD]: Finished complementDD. Result has 48 states, 48 states have (on average 271.0) internal successors, (13008), 48 states have internal predecessors, (13008), 0 states have call successors, (0), 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 01:04:41,336 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, 200 predicate places. [2023-11-30 01:04:41,336 INFO L500 AbstractCegarLoop]: Abstraction has has 465 places, 1797 transitions, 42525 flow [2023-11-30 01:04:41,336 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 132.65) internal successors, (2653), 20 states have internal predecessors, (2653), 0 states have call successors, (0), 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 01:04:41,336 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:04:41,336 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, 1, 1, 1, 1] [2023-11-30 01:04:41,337 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-30 01:04:41,337 INFO L425 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:04:41,337 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:04:41,337 INFO L85 PathProgramCache]: Analyzing trace with hash -1954228447, now seen corresponding path program 5 times [2023-11-30 01:04:41,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:04:41,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918842552] [2023-11-30 01:04:41,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:04:41,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:04:41,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:04:42,029 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 01:04:42,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:04:42,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918842552] [2023-11-30 01:04:42,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918842552] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:04:42,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:04:42,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-30 01:04:42,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844044334] [2023-11-30 01:04:42,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:04:42,030 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 01:04:42,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:04:42,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 01:04:42,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2023-11-30 01:04:42,032 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 271 [2023-11-30 01:04:42,033 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 465 places, 1797 transitions, 42525 flow. Second operand has 20 states, 20 states have (on average 132.65) internal successors, (2653), 20 states have internal predecessors, (2653), 0 states have call successors, (0), 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 01:04:42,034 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:04:42,034 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 271 [2023-11-30 01:04:42,034 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:04:47,735 INFO L124 PetriNetUnfolderBase]: 5182/11211 cut-off events. [2023-11-30 01:04:47,735 INFO L125 PetriNetUnfolderBase]: For 133369/143644 co-relation queries the response was YES. [2023-11-30 01:04:47,749 INFO L83 FinitePrefix]: Finished finitePrefix Result has 116608 conditions, 11211 events. 5182/11211 cut-off events. For 133369/143644 co-relation queries the response was YES. Maximal size of possible extension queue 337. Compared 86127 event pairs, 144 based on Foata normal form. 245/11249 useless extension candidates. Maximal degree in co-relation 101541. Up to 7218 conditions per place. [2023-11-30 01:04:47,820 INFO L140 encePairwiseOnDemand]: 243/271 looper letters, 1113 selfloop transitions, 233 changer transitions 535/1942 dead transitions. [2023-11-30 01:04:47,821 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 511 places, 1942 transitions, 49713 flow [2023-11-30 01:04:47,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-11-30 01:04:47,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2023-11-30 01:04:47,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 6676 transitions. [2023-11-30 01:04:47,825 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5241422626992227 [2023-11-30 01:04:47,825 INFO L72 ComplementDD]: Start complementDD. Operand 47 states and 6676 transitions. [2023-11-30 01:04:47,825 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 6676 transitions. [2023-11-30 01:04:47,826 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:04:47,826 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 47 states and 6676 transitions. [2023-11-30 01:04:47,832 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 48 states, 47 states have (on average 142.04255319148936) internal successors, (6676), 47 states have internal predecessors, (6676), 0 states have call successors, (0), 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 01:04:47,839 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 48 states, 48 states have (on average 271.0) internal successors, (13008), 48 states have internal predecessors, (13008), 0 states have call successors, (0), 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 01:04:47,840 INFO L81 ComplementDD]: Finished complementDD. Result has 48 states, 48 states have (on average 271.0) internal successors, (13008), 48 states have internal predecessors, (13008), 0 states have call successors, (0), 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 01:04:47,840 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, 246 predicate places. [2023-11-30 01:04:47,840 INFO L500 AbstractCegarLoop]: Abstraction has has 511 places, 1942 transitions, 49713 flow [2023-11-30 01:04:47,841 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 132.65) internal successors, (2653), 20 states have internal predecessors, (2653), 0 states have call successors, (0), 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 01:04:47,841 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:04:47,841 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, 1, 1, 1, 1] [2023-11-30 01:04:47,841 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-30 01:04:47,841 INFO L425 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:04:47,841 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:04:47,841 INFO L85 PathProgramCache]: Analyzing trace with hash 1020934487, now seen corresponding path program 6 times [2023-11-30 01:04:47,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:04:47,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255638667] [2023-11-30 01:04:47,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:04:47,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:04:47,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:04:48,412 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 01:04:48,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:04:48,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255638667] [2023-11-30 01:04:48,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255638667] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:04:48,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:04:48,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-30 01:04:48,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657262636] [2023-11-30 01:04:48,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:04:48,413 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 01:04:48,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:04:48,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 01:04:48,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2023-11-30 01:04:48,415 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 271 [2023-11-30 01:04:48,416 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 511 places, 1942 transitions, 49713 flow. Second operand has 20 states, 20 states have (on average 132.65) internal successors, (2653), 20 states have internal predecessors, (2653), 0 states have call successors, (0), 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 01:04:48,416 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:04:48,416 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 271 [2023-11-30 01:04:48,416 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:04:55,034 INFO L124 PetriNetUnfolderBase]: 5601/12537 cut-off events. [2023-11-30 01:04:55,034 INFO L125 PetriNetUnfolderBase]: For 164980/178105 co-relation queries the response was YES. [2023-11-30 01:04:55,053 INFO L83 FinitePrefix]: Finished finitePrefix Result has 139336 conditions, 12537 events. 5601/12537 cut-off events. For 164980/178105 co-relation queries the response was YES. Maximal size of possible extension queue 380. Compared 99947 event pairs, 134 based on Foata normal form. 205/12503 useless extension candidates. Maximal degree in co-relation 120909. Up to 8071 conditions per place. [2023-11-30 01:04:55,159 INFO L140 encePairwiseOnDemand]: 243/271 looper letters, 1350 selfloop transitions, 209 changer transitions 694/2314 dead transitions. [2023-11-30 01:04:55,160 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 546 places, 2314 transitions, 63907 flow [2023-11-30 01:04:55,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-11-30 01:04:55,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2023-11-30 01:04:55,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 5140 transitions. [2023-11-30 01:04:55,164 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5268552685526855 [2023-11-30 01:04:55,164 INFO L72 ComplementDD]: Start complementDD. Operand 36 states and 5140 transitions. [2023-11-30 01:04:55,164 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 5140 transitions. [2023-11-30 01:04:55,165 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:04:55,165 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 36 states and 5140 transitions. [2023-11-30 01:04:55,170 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 37 states, 36 states have (on average 142.77777777777777) internal successors, (5140), 36 states have internal predecessors, (5140), 0 states have call successors, (0), 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 01:04:55,176 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 01:04:55,176 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 01:04:55,177 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, 281 predicate places. [2023-11-30 01:04:55,178 INFO L500 AbstractCegarLoop]: Abstraction has has 546 places, 2314 transitions, 63907 flow [2023-11-30 01:04:55,178 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 132.65) internal successors, (2653), 20 states have internal predecessors, (2653), 0 states have call successors, (0), 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 01:04:55,178 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:04:55,178 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, 1, 1, 1, 1] [2023-11-30 01:04:55,178 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-30 01:04:55,178 INFO L425 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:04:55,179 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:04:55,179 INFO L85 PathProgramCache]: Analyzing trace with hash 2053979935, now seen corresponding path program 7 times [2023-11-30 01:04:55,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:04:55,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005901248] [2023-11-30 01:04:55,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:04:55,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:04:55,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:04:55,780 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 01:04:55,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:04:55,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005901248] [2023-11-30 01:04:55,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005901248] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:04:55,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:04:55,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-30 01:04:55,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041994947] [2023-11-30 01:04:55,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:04:55,781 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 01:04:55,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:04:55,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 01:04:55,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2023-11-30 01:04:55,783 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 271 [2023-11-30 01:04:55,784 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 546 places, 2314 transitions, 63907 flow. Second operand has 20 states, 20 states have (on average 132.65) internal successors, (2653), 20 states have internal predecessors, (2653), 0 states have call successors, (0), 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 01:04:55,784 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:04:55,784 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 271 [2023-11-30 01:04:55,784 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:05:03,223 INFO L124 PetriNetUnfolderBase]: 5979/13740 cut-off events. [2023-11-30 01:05:03,223 INFO L125 PetriNetUnfolderBase]: For 203892/216942 co-relation queries the response was YES. [2023-11-30 01:05:03,245 INFO L83 FinitePrefix]: Finished finitePrefix Result has 162858 conditions, 13740 events. 5979/13740 cut-off events. For 203892/216942 co-relation queries the response was YES. Maximal size of possible extension queue 419. Compared 112554 event pairs, 99 based on Foata normal form. 256/13726 useless extension candidates. Maximal degree in co-relation 150374. Up to 8865 conditions per place. [2023-11-30 01:05:03,365 INFO L140 encePairwiseOnDemand]: 243/271 looper letters, 1465 selfloop transitions, 271 changer transitions 823/2620 dead transitions. [2023-11-30 01:05:03,365 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 583 places, 2620 transitions, 77645 flow [2023-11-30 01:05:03,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-11-30 01:05:03,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2023-11-30 01:05:03,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 5416 transitions. [2023-11-30 01:05:03,371 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5259273645368032 [2023-11-30 01:05:03,371 INFO L72 ComplementDD]: Start complementDD. Operand 38 states and 5416 transitions. [2023-11-30 01:05:03,371 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 5416 transitions. [2023-11-30 01:05:03,372 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:05:03,372 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 38 states and 5416 transitions. [2023-11-30 01:05:03,376 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 39 states, 38 states have (on average 142.52631578947367) internal successors, (5416), 38 states have internal predecessors, (5416), 0 states have call successors, (0), 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 01:05:03,381 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 01:05:03,382 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 01:05:03,382 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, 318 predicate places. [2023-11-30 01:05:03,382 INFO L500 AbstractCegarLoop]: Abstraction has has 583 places, 2620 transitions, 77645 flow [2023-11-30 01:05:03,382 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 132.65) internal successors, (2653), 20 states have internal predecessors, (2653), 0 states have call successors, (0), 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 01:05:03,382 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:05:03,383 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, 1, 1, 1, 1] [2023-11-30 01:05:03,383 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-30 01:05:03,383 INFO L425 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:05:03,383 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:05:03,383 INFO L85 PathProgramCache]: Analyzing trace with hash -1716727749, now seen corresponding path program 8 times [2023-11-30 01:05:03,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:05:03,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055570008] [2023-11-30 01:05:03,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:05:03,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:05:03,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:05:04,120 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 01:05:04,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:05:04,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055570008] [2023-11-30 01:05:04,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055570008] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:05:04,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:05:04,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-30 01:05:04,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081585864] [2023-11-30 01:05:04,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:05:04,121 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 01:05:04,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:05:04,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 01:05:04,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2023-11-30 01:05:04,123 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 271 [2023-11-30 01:05:04,124 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 583 places, 2620 transitions, 77645 flow. Second operand has 20 states, 20 states have (on average 132.65) internal successors, (2653), 20 states have internal predecessors, (2653), 0 states have call successors, (0), 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 01:05:04,124 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:05:04,124 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 271 [2023-11-30 01:05:04,124 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:05:12,784 INFO L124 PetriNetUnfolderBase]: 6370/14995 cut-off events. [2023-11-30 01:05:12,784 INFO L125 PetriNetUnfolderBase]: For 227902/250396 co-relation queries the response was YES. [2023-11-30 01:05:12,804 INFO L83 FinitePrefix]: Finished finitePrefix Result has 188118 conditions, 14995 events. 6370/14995 cut-off events. For 227902/250396 co-relation queries the response was YES. Maximal size of possible extension queue 463. Compared 125740 event pairs, 305 based on Foata normal form. 165/14847 useless extension candidates. Maximal degree in co-relation 150866. Up to 9645 conditions per place. [2023-11-30 01:05:12,921 INFO L140 encePairwiseOnDemand]: 243/271 looper letters, 1605 selfloop transitions, 329 changer transitions 952/2947 dead transitions. [2023-11-30 01:05:12,921 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 621 places, 2947 transitions, 93297 flow [2023-11-30 01:05:12,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-11-30 01:05:12,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2023-11-30 01:05:12,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 5558 transitions. [2023-11-30 01:05:12,924 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5258775664679723 [2023-11-30 01:05:12,924 INFO L72 ComplementDD]: Start complementDD. Operand 39 states and 5558 transitions. [2023-11-30 01:05:12,924 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 5558 transitions. [2023-11-30 01:05:12,925 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:05:12,925 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 39 states and 5558 transitions. [2023-11-30 01:05:12,929 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 40 states, 39 states have (on average 142.51282051282053) internal successors, (5558), 39 states have internal predecessors, (5558), 0 states have call successors, (0), 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 01:05:12,936 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 40 states, 40 states have (on average 271.0) internal successors, (10840), 40 states have internal predecessors, (10840), 0 states have call successors, (0), 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 01:05:12,936 INFO L81 ComplementDD]: Finished complementDD. Result has 40 states, 40 states have (on average 271.0) internal successors, (10840), 40 states have internal predecessors, (10840), 0 states have call successors, (0), 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 01:05:12,936 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, 356 predicate places. [2023-11-30 01:05:12,937 INFO L500 AbstractCegarLoop]: Abstraction has has 621 places, 2947 transitions, 93297 flow [2023-11-30 01:05:12,937 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 132.65) internal successors, (2653), 20 states have internal predecessors, (2653), 0 states have call successors, (0), 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 01:05:12,937 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:05:12,937 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, 1, 1, 1, 1] [2023-11-30 01:05:12,937 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-30 01:05:12,937 INFO L425 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:05:12,938 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:05:12,938 INFO L85 PathProgramCache]: Analyzing trace with hash 1877383357, now seen corresponding path program 9 times [2023-11-30 01:05:12,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:05:12,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866214953] [2023-11-30 01:05:12,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:05:12,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:05:12,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:05:13,485 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 01:05:13,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:05:13,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866214953] [2023-11-30 01:05:13,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866214953] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:05:13,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:05:13,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-30 01:05:13,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402510399] [2023-11-30 01:05:13,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:05:13,486 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 01:05:13,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:05:13,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 01:05:13,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2023-11-30 01:05:13,629 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 271 [2023-11-30 01:05:13,630 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 621 places, 2947 transitions, 93297 flow. Second operand has 20 states, 20 states have (on average 132.65) internal successors, (2653), 20 states have internal predecessors, (2653), 0 states have call successors, (0), 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 01:05:13,630 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:05:13,631 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 271 [2023-11-30 01:05:13,631 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:05:23,849 INFO L124 PetriNetUnfolderBase]: 6734/16118 cut-off events. [2023-11-30 01:05:23,850 INFO L125 PetriNetUnfolderBase]: For 268365/290919 co-relation queries the response was YES. [2023-11-30 01:05:23,873 INFO L83 FinitePrefix]: Finished finitePrefix Result has 214593 conditions, 16118 events. 6734/16118 cut-off events. For 268365/290919 co-relation queries the response was YES. Maximal size of possible extension queue 500. Compared 138297 event pairs, 243 based on Foata normal form. 253/16047 useless extension candidates. Maximal degree in co-relation 190765. Up to 10409 conditions per place. [2023-11-30 01:05:24,015 INFO L140 encePairwiseOnDemand]: 243/271 looper letters, 1716 selfloop transitions, 387 changer transitions 1081/3245 dead transitions. [2023-11-30 01:05:24,015 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 660 places, 3245 transitions, 109225 flow [2023-11-30 01:05:24,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-11-30 01:05:24,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2023-11-30 01:05:24,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 5698 transitions. [2023-11-30 01:05:24,018 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5256457564575646 [2023-11-30 01:05:24,018 INFO L72 ComplementDD]: Start complementDD. Operand 40 states and 5698 transitions. [2023-11-30 01:05:24,018 INFO L73 IsDeterministic]: Start isDeterministic. Operand 40 states and 5698 transitions. [2023-11-30 01:05:24,019 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:05:24,019 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 40 states and 5698 transitions. [2023-11-30 01:05:24,023 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 41 states, 40 states have (on average 142.45) internal successors, (5698), 40 states have internal predecessors, (5698), 0 states have call successors, (0), 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 01:05:24,028 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 41 states, 41 states have (on average 271.0) internal successors, (11111), 41 states have internal predecessors, (11111), 0 states have call successors, (0), 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 01:05:24,029 INFO L81 ComplementDD]: Finished complementDD. Result has 41 states, 41 states have (on average 271.0) internal successors, (11111), 41 states have internal predecessors, (11111), 0 states have call successors, (0), 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 01:05:24,029 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, 395 predicate places. [2023-11-30 01:05:24,029 INFO L500 AbstractCegarLoop]: Abstraction has has 660 places, 3245 transitions, 109225 flow [2023-11-30 01:05:24,030 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 132.65) internal successors, (2653), 20 states have internal predecessors, (2653), 0 states have call successors, (0), 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 01:05:24,030 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:05:24,030 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, 1, 1, 1, 1] [2023-11-30 01:05:24,030 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-30 01:05:24,030 INFO L425 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:05:24,030 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:05:24,030 INFO L85 PathProgramCache]: Analyzing trace with hash -1948210735, now seen corresponding path program 10 times [2023-11-30 01:05:24,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:05:24,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248551190] [2023-11-30 01:05:24,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:05:24,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:05:24,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:05:24,712 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 01:05:24,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:05:24,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248551190] [2023-11-30 01:05:24,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248551190] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:05:24,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:05:24,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-30 01:05:24,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551204520] [2023-11-30 01:05:24,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:05:24,713 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 01:05:24,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:05:24,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 01:05:24,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2023-11-30 01:05:24,714 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 271 [2023-11-30 01:05:24,715 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 660 places, 3245 transitions, 109225 flow. Second operand has 20 states, 20 states have (on average 132.65) internal successors, (2653), 20 states have internal predecessors, (2653), 0 states have call successors, (0), 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 01:05:24,715 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:05:24,716 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 271 [2023-11-30 01:05:24,716 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:05:36,431 INFO L124 PetriNetUnfolderBase]: 7400/17646 cut-off events. [2023-11-30 01:05:36,431 INFO L125 PetriNetUnfolderBase]: For 325043/356387 co-relation queries the response was YES. [2023-11-30 01:05:36,456 INFO L83 FinitePrefix]: Finished finitePrefix Result has 250188 conditions, 17646 events. 7400/17646 cut-off events. For 325043/356387 co-relation queries the response was YES. Maximal size of possible extension queue 566. Compared 154689 event pairs, 183 based on Foata normal form. 286/17559 useless extension candidates. Maximal degree in co-relation 217781. Up to 11570 conditions per place. [2023-11-30 01:05:36,616 INFO L140 encePairwiseOnDemand]: 243/271 looper letters, 1792 selfloop transitions, 466 changer transitions 1167/3486 dead transitions. [2023-11-30 01:05:36,616 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 701 places, 3486 transitions, 124483 flow [2023-11-30 01:05:36,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-11-30 01:05:36,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2023-11-30 01:05:36,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 5984 transitions. [2023-11-30 01:05:36,620 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5257424002811457 [2023-11-30 01:05:36,620 INFO L72 ComplementDD]: Start complementDD. Operand 42 states and 5984 transitions. [2023-11-30 01:05:36,620 INFO L73 IsDeterministic]: Start isDeterministic. Operand 42 states and 5984 transitions. [2023-11-30 01:05:36,620 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:05:36,620 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 42 states and 5984 transitions. [2023-11-30 01:05:36,629 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 43 states, 42 states have (on average 142.47619047619048) internal successors, (5984), 42 states have internal predecessors, (5984), 0 states have call successors, (0), 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 01:05:36,635 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 43 states, 43 states have (on average 271.0) internal successors, (11653), 43 states have internal predecessors, (11653), 0 states have call successors, (0), 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 01:05:36,635 INFO L81 ComplementDD]: Finished complementDD. Result has 43 states, 43 states have (on average 271.0) internal successors, (11653), 43 states have internal predecessors, (11653), 0 states have call successors, (0), 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 01:05:36,636 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, 436 predicate places. [2023-11-30 01:05:36,636 INFO L500 AbstractCegarLoop]: Abstraction has has 701 places, 3486 transitions, 124483 flow [2023-11-30 01:05:36,636 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 132.65) internal successors, (2653), 20 states have internal predecessors, (2653), 0 states have call successors, (0), 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 01:05:36,636 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:05:36,636 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, 1, 1, 1, 1] [2023-11-30 01:05:36,636 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-30 01:05:36,636 INFO L425 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:05:36,637 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:05:36,637 INFO L85 PathProgramCache]: Analyzing trace with hash -1424651725, now seen corresponding path program 11 times [2023-11-30 01:05:36,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:05:36,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216648236] [2023-11-30 01:05:36,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:05:36,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:05:36,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:05:37,187 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 01:05:37,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:05:37,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216648236] [2023-11-30 01:05:37,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216648236] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:05:37,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:05:37,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-30 01:05:37,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214747302] [2023-11-30 01:05:37,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:05:37,188 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 01:05:37,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:05:37,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 01:05:37,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2023-11-30 01:05:37,190 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 271 [2023-11-30 01:05:37,191 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 701 places, 3486 transitions, 124483 flow. Second operand has 20 states, 20 states have (on average 132.65) internal successors, (2653), 20 states have internal predecessors, (2653), 0 states have call successors, (0), 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 01:05:37,191 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:05:37,191 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 271 [2023-11-30 01:05:37,191 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:05:52,351 INFO L124 PetriNetUnfolderBase]: 7690/18488 cut-off events. [2023-11-30 01:05:52,351 INFO L125 PetriNetUnfolderBase]: For 358479/387539 co-relation queries the response was YES. [2023-11-30 01:05:52,383 INFO L83 FinitePrefix]: Finished finitePrefix Result has 276205 conditions, 18488 events. 7690/18488 cut-off events. For 358479/387539 co-relation queries the response was YES. Maximal size of possible extension queue 595. Compared 164115 event pairs, 161 based on Foata normal form. 278/18378 useless extension candidates. Maximal degree in co-relation 246168. Up to 12154 conditions per place. [2023-11-30 01:05:52,561 INFO L140 encePairwiseOnDemand]: 243/271 looper letters, 1914 selfloop transitions, 436 changer transitions 1253/3664 dead transitions. [2023-11-30 01:05:52,562 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 742 places, 3664 transitions, 138107 flow [2023-11-30 01:05:52,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-11-30 01:05:52,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2023-11-30 01:05:52,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 5976 transitions. [2023-11-30 01:05:52,565 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5250395361096468 [2023-11-30 01:05:52,565 INFO L72 ComplementDD]: Start complementDD. Operand 42 states and 5976 transitions. [2023-11-30 01:05:52,565 INFO L73 IsDeterministic]: Start isDeterministic. Operand 42 states and 5976 transitions. [2023-11-30 01:05:52,566 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:05:52,566 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 42 states and 5976 transitions. [2023-11-30 01:05:52,571 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 43 states, 42 states have (on average 142.28571428571428) internal successors, (5976), 42 states have internal predecessors, (5976), 0 states have call successors, (0), 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 01:05:52,577 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 43 states, 43 states have (on average 271.0) internal successors, (11653), 43 states have internal predecessors, (11653), 0 states have call successors, (0), 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 01:05:52,577 INFO L81 ComplementDD]: Finished complementDD. Result has 43 states, 43 states have (on average 271.0) internal successors, (11653), 43 states have internal predecessors, (11653), 0 states have call successors, (0), 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 01:05:52,578 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, 477 predicate places. [2023-11-30 01:05:52,578 INFO L500 AbstractCegarLoop]: Abstraction has has 742 places, 3664 transitions, 138107 flow [2023-11-30 01:05:52,578 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 132.65) internal successors, (2653), 20 states have internal predecessors, (2653), 0 states have call successors, (0), 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 01:05:52,578 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:05:52,578 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, 1, 1, 1, 1] [2023-11-30 01:05:52,578 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-30 01:05:52,579 INFO L425 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:05:52,579 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:05:52,579 INFO L85 PathProgramCache]: Analyzing trace with hash -1035652621, now seen corresponding path program 12 times [2023-11-30 01:05:52,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:05:52,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965483824] [2023-11-30 01:05:52,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:05:52,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:05:52,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:05:53,119 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 01:05:53,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:05:53,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965483824] [2023-11-30 01:05:53,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965483824] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:05:53,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:05:53,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-30 01:05:53,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493190397] [2023-11-30 01:05:53,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:05:53,120 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 01:05:53,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:05:53,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 01:05:53,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2023-11-30 01:05:53,121 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 271 [2023-11-30 01:05:53,122 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 742 places, 3664 transitions, 138107 flow. Second operand has 20 states, 20 states have (on average 132.65) internal successors, (2653), 20 states have internal predecessors, (2653), 0 states have call successors, (0), 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 01:05:53,122 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:05:53,122 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 271 [2023-11-30 01:05:53,122 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:06:10,152 INFO L124 PetriNetUnfolderBase]: 7960/19281 cut-off events. [2023-11-30 01:06:10,152 INFO L125 PetriNetUnfolderBase]: For 410498/446971 co-relation queries the response was YES. [2023-11-30 01:06:10,179 INFO L83 FinitePrefix]: Finished finitePrefix Result has 303567 conditions, 19281 events. 7960/19281 cut-off events. For 410498/446971 co-relation queries the response was YES. Maximal size of possible extension queue 627. Compared 173849 event pairs, 132 based on Foata normal form. 300/19162 useless extension candidates. Maximal degree in co-relation 241285. Up to 12772 conditions per place. [2023-11-30 01:06:10,370 INFO L140 encePairwiseOnDemand]: 243/271 looper letters, 1976 selfloop transitions, 461 changer transitions 1339/3837 dead transitions. [2023-11-30 01:06:10,371 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 783 places, 3837 transitions, 152263 flow [2023-11-30 01:06:10,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-11-30 01:06:10,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2023-11-30 01:06:10,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 5984 transitions. [2023-11-30 01:06:10,374 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5257424002811457 [2023-11-30 01:06:10,374 INFO L72 ComplementDD]: Start complementDD. Operand 42 states and 5984 transitions. [2023-11-30 01:06:10,374 INFO L73 IsDeterministic]: Start isDeterministic. Operand 42 states and 5984 transitions. [2023-11-30 01:06:10,374 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:06:10,374 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 42 states and 5984 transitions. [2023-11-30 01:06:10,378 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 43 states, 42 states have (on average 142.47619047619048) internal successors, (5984), 42 states have internal predecessors, (5984), 0 states have call successors, (0), 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 01:06:10,383 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 43 states, 43 states have (on average 271.0) internal successors, (11653), 43 states have internal predecessors, (11653), 0 states have call successors, (0), 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 01:06:10,383 INFO L81 ComplementDD]: Finished complementDD. Result has 43 states, 43 states have (on average 271.0) internal successors, (11653), 43 states have internal predecessors, (11653), 0 states have call successors, (0), 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 01:06:10,384 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, 518 predicate places. [2023-11-30 01:06:10,384 INFO L500 AbstractCegarLoop]: Abstraction has has 783 places, 3837 transitions, 152263 flow [2023-11-30 01:06:10,384 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 132.65) internal successors, (2653), 20 states have internal predecessors, (2653), 0 states have call successors, (0), 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 01:06:10,384 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:06:10,384 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, 1, 1, 1, 1] [2023-11-30 01:06:10,384 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-30 01:06:10,384 INFO L425 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:06:10,385 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:06:10,385 INFO L85 PathProgramCache]: Analyzing trace with hash 979741749, now seen corresponding path program 13 times [2023-11-30 01:06:10,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:06:10,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904811967] [2023-11-30 01:06:10,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:06:10,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:06:10,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:06:10,934 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 01:06:10,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:06:10,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904811967] [2023-11-30 01:06:10,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904811967] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:06:10,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:06:10,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-30 01:06:10,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180766135] [2023-11-30 01:06:10,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:06:10,935 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 01:06:10,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:06:10,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 01:06:10,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2023-11-30 01:06:10,937 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 271 [2023-11-30 01:06:10,938 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 783 places, 3837 transitions, 152263 flow. Second operand has 20 states, 20 states have (on average 132.65) internal successors, (2653), 20 states have internal predecessors, (2653), 0 states have call successors, (0), 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 01:06:10,938 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:06:10,938 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 271 [2023-11-30 01:06:10,938 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:06:28,647 INFO L124 PetriNetUnfolderBase]: 8224/20149 cut-off events. [2023-11-30 01:06:28,647 INFO L125 PetriNetUnfolderBase]: For 447747/479816 co-relation queries the response was YES. [2023-11-30 01:06:28,671 INFO L83 FinitePrefix]: Finished finitePrefix Result has 331556 conditions, 20149 events. 8224/20149 cut-off events. For 447747/479816 co-relation queries the response was YES. Maximal size of possible extension queue 656. Compared 184159 event pairs, 102 based on Foata normal form. 302/20019 useless extension candidates. Maximal degree in co-relation 294794. Up to 13331 conditions per place. [2023-11-30 01:06:28,873 INFO L140 encePairwiseOnDemand]: 243/271 looper letters, 2121 selfloop transitions, 408 changer transitions 1425/4015 dead transitions. [2023-11-30 01:06:28,873 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 823 places, 4015 transitions, 167301 flow [2023-11-30 01:06:28,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-11-30 01:06:28,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2023-11-30 01:06:28,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 5836 transitions. [2023-11-30 01:06:28,876 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5252452524525245 [2023-11-30 01:06:28,876 INFO L72 ComplementDD]: Start complementDD. Operand 41 states and 5836 transitions. [2023-11-30 01:06:28,876 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 5836 transitions. [2023-11-30 01:06:28,877 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:06:28,877 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 41 states and 5836 transitions. [2023-11-30 01:06:28,880 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 42 states, 41 states have (on average 142.34146341463415) internal successors, (5836), 41 states have internal predecessors, (5836), 0 states have call successors, (0), 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 01:06:28,884 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 01:06:28,885 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 01:06:28,885 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, 558 predicate places. [2023-11-30 01:06:28,885 INFO L500 AbstractCegarLoop]: Abstraction has has 823 places, 4015 transitions, 167301 flow [2023-11-30 01:06:28,886 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 132.65) internal successors, (2653), 20 states have internal predecessors, (2653), 0 states have call successors, (0), 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 01:06:28,886 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:06:28,886 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, 1, 1, 1, 1] [2023-11-30 01:06:28,886 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-30 01:06:28,886 INFO L425 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:06:28,886 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:06:28,886 INFO L85 PathProgramCache]: Analyzing trace with hash -1662724853, now seen corresponding path program 14 times [2023-11-30 01:06:28,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:06:28,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873772686] [2023-11-30 01:06:28,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:06:28,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:06:28,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:06:29,586 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 01:06:29,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:06:29,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873772686] [2023-11-30 01:06:29,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873772686] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:06:29,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:06:29,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-30 01:06:29,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933171846] [2023-11-30 01:06:29,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:06:29,586 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 01:06:29,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:06:29,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 01:06:29,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2023-11-30 01:06:29,588 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 271 [2023-11-30 01:06:29,589 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 823 places, 4015 transitions, 167301 flow. Second operand has 20 states, 20 states have (on average 132.65) internal successors, (2653), 20 states have internal predecessors, (2653), 0 states have call successors, (0), 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 01:06:29,589 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:06:29,589 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 271 [2023-11-30 01:06:29,589 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:06:49,494 INFO L124 PetriNetUnfolderBase]: 8524/20902 cut-off events. [2023-11-30 01:06:49,494 INFO L125 PetriNetUnfolderBase]: For 495105/521597 co-relation queries the response was YES. [2023-11-30 01:06:49,518 INFO L83 FinitePrefix]: Finished finitePrefix Result has 361077 conditions, 20902 events. 8524/20902 cut-off events. For 495105/521597 co-relation queries the response was YES. Maximal size of possible extension queue 680. Compared 192013 event pairs, 117 based on Foata normal form. 351/20799 useless extension candidates. Maximal degree in co-relation 327745. Up to 13903 conditions per place. [2023-11-30 01:06:49,738 INFO L140 encePairwiseOnDemand]: 243/271 looper letters, 2204 selfloop transitions, 389 changer transitions 1511/4165 dead transitions. [2023-11-30 01:06:49,739 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 862 places, 4165 transitions, 181773 flow [2023-11-30 01:06:49,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-11-30 01:06:49,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2023-11-30 01:06:49,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 5692 transitions. [2023-11-30 01:06:49,742 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5250922509225092 [2023-11-30 01:06:49,742 INFO L72 ComplementDD]: Start complementDD. Operand 40 states and 5692 transitions. [2023-11-30 01:06:49,742 INFO L73 IsDeterministic]: Start isDeterministic. Operand 40 states and 5692 transitions. [2023-11-30 01:06:49,742 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:06:49,742 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 40 states and 5692 transitions. [2023-11-30 01:06:49,746 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 41 states, 40 states have (on average 142.3) internal successors, (5692), 40 states have internal predecessors, (5692), 0 states have call successors, (0), 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 01:06:49,750 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 41 states, 41 states have (on average 271.0) internal successors, (11111), 41 states have internal predecessors, (11111), 0 states have call successors, (0), 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 01:06:49,750 INFO L81 ComplementDD]: Finished complementDD. Result has 41 states, 41 states have (on average 271.0) internal successors, (11111), 41 states have internal predecessors, (11111), 0 states have call successors, (0), 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 01:06:49,751 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, 597 predicate places. [2023-11-30 01:06:49,751 INFO L500 AbstractCegarLoop]: Abstraction has has 862 places, 4165 transitions, 181773 flow [2023-11-30 01:06:49,751 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 132.65) internal successors, (2653), 20 states have internal predecessors, (2653), 0 states have call successors, (0), 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 01:06:49,751 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:06:49,751 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, 1, 1, 1, 1] [2023-11-30 01:06:49,751 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-30 01:06:49,751 INFO L425 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:06:49,751 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:06:49,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1840348867, now seen corresponding path program 15 times [2023-11-30 01:06:49,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:06:49,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631573948] [2023-11-30 01:06:49,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:06:49,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:06:49,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:06:50,326 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 01:06:50,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:06:50,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631573948] [2023-11-30 01:06:50,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631573948] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:06:50,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:06:50,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-30 01:06:50,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659269753] [2023-11-30 01:06:50,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:06:50,327 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 01:06:50,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:06:50,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 01:06:50,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2023-11-30 01:06:50,328 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 271 [2023-11-30 01:06:50,329 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 862 places, 4165 transitions, 181773 flow. Second operand has 20 states, 20 states have (on average 132.65) internal successors, (2653), 20 states have internal predecessors, (2653), 0 states have call successors, (0), 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 01:06:50,329 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:06:50,329 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 271 [2023-11-30 01:06:50,330 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:07:11,292 INFO L124 PetriNetUnfolderBase]: 8566/21377 cut-off events. [2023-11-30 01:07:11,292 INFO L125 PetriNetUnfolderBase]: For 569880/620268 co-relation queries the response was YES. [2023-11-30 01:07:11,324 INFO L83 FinitePrefix]: Finished finitePrefix Result has 383047 conditions, 21377 events. 8566/21377 cut-off events. For 569880/620268 co-relation queries the response was YES. Maximal size of possible extension queue 686. Compared 199135 event pairs, 140 based on Foata normal form. 354/21282 useless extension candidates. Maximal degree in co-relation 331449. Up to 14151 conditions per place. [2023-11-30 01:07:11,563 INFO L140 encePairwiseOnDemand]: 243/271 looper letters, 2185 selfloop transitions, 461 changer transitions 1597/4304 dead transitions. [2023-11-30 01:07:11,563 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 902 places, 4304 transitions, 196315 flow [2023-11-30 01:07:11,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-11-30 01:07:11,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2023-11-30 01:07:11,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 5838 transitions. [2023-11-30 01:07:11,566 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5254252542525425 [2023-11-30 01:07:11,566 INFO L72 ComplementDD]: Start complementDD. Operand 41 states and 5838 transitions. [2023-11-30 01:07:11,566 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 5838 transitions. [2023-11-30 01:07:11,567 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:07:11,567 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 41 states and 5838 transitions. [2023-11-30 01:07:11,570 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 42 states, 41 states have (on average 142.390243902439) internal successors, (5838), 41 states have internal predecessors, (5838), 0 states have call successors, (0), 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 01:07:11,574 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 01:07:11,575 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 01:07:11,575 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, 637 predicate places. [2023-11-30 01:07:11,575 INFO L500 AbstractCegarLoop]: Abstraction has has 902 places, 4304 transitions, 196315 flow [2023-11-30 01:07:11,576 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 132.65) internal successors, (2653), 20 states have internal predecessors, (2653), 0 states have call successors, (0), 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 01:07:11,576 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:07:11,576 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, 1, 1, 1, 1] [2023-11-30 01:07:11,576 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-30 01:07:11,576 INFO L425 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:07:11,576 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:07:11,576 INFO L85 PathProgramCache]: Analyzing trace with hash -680333817, now seen corresponding path program 16 times [2023-11-30 01:07:11,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:07:11,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297619407] [2023-11-30 01:07:11,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:07:11,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:07:11,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:07:12,273 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 01:07:12,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:07:12,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297619407] [2023-11-30 01:07:12,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297619407] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:07:12,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:07:12,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-30 01:07:12,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450291020] [2023-11-30 01:07:12,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:07:12,274 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 01:07:12,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:07:12,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 01:07:12,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-11-30 01:07:12,276 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 271 [2023-11-30 01:07:12,277 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 902 places, 4304 transitions, 196315 flow. Second operand has 20 states, 20 states have (on average 132.65) internal successors, (2653), 20 states have internal predecessors, (2653), 0 states have call successors, (0), 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 01:07:12,277 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:07:12,277 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 271 [2023-11-30 01:07:12,277 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:07:34,334 INFO L124 PetriNetUnfolderBase]: 9215/23251 cut-off events. [2023-11-30 01:07:34,334 INFO L125 PetriNetUnfolderBase]: For 662842/716054 co-relation queries the response was YES. [2023-11-30 01:07:34,366 INFO L83 FinitePrefix]: Finished finitePrefix Result has 433177 conditions, 23251 events. 9215/23251 cut-off events. For 662842/716054 co-relation queries the response was YES. Maximal size of possible extension queue 750. Compared 221014 event pairs, 249 based on Foata normal form. 308/23068 useless extension candidates. Maximal degree in co-relation 362705. Up to 15360 conditions per place. [2023-11-30 01:07:34,649 INFO L140 encePairwiseOnDemand]: 243/271 looper letters, 2302 selfloop transitions, 685 changer transitions 1769/4817 dead transitions. [2023-11-30 01:07:34,649 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 935 places, 4817 transitions, 229593 flow [2023-11-30 01:07:34,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-11-30 01:07:34,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2023-11-30 01:07:34,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 4877 transitions. [2023-11-30 01:07:34,652 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5293032342088126 [2023-11-30 01:07:34,652 INFO L72 ComplementDD]: Start complementDD. Operand 34 states and 4877 transitions. [2023-11-30 01:07:34,652 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 4877 transitions. [2023-11-30 01:07:34,652 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:07:34,653 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 34 states and 4877 transitions. [2023-11-30 01:07:34,655 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 35 states, 34 states have (on average 143.44117647058823) internal successors, (4877), 34 states have internal predecessors, (4877), 0 states have call successors, (0), 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 01:07:34,659 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 01:07:34,659 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 01:07:34,660 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, 670 predicate places. [2023-11-30 01:07:34,660 INFO L500 AbstractCegarLoop]: Abstraction has has 935 places, 4817 transitions, 229593 flow [2023-11-30 01:07:34,660 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 132.65) internal successors, (2653), 20 states have internal predecessors, (2653), 0 states have call successors, (0), 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 01:07:34,660 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:07:34,660 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, 1, 1, 1, 1] [2023-11-30 01:07:34,660 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-30 01:07:34,660 INFO L425 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:07:34,660 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:07:34,660 INFO L85 PathProgramCache]: Analyzing trace with hash -667204937, now seen corresponding path program 17 times [2023-11-30 01:07:34,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:07:34,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747337053] [2023-11-30 01:07:34,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:07:34,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:07:34,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:07:35,300 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 01:07:35,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:07:35,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747337053] [2023-11-30 01:07:35,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747337053] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:07:35,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:07:35,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-30 01:07:35,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044954759] [2023-11-30 01:07:35,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:07:35,301 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 01:07:35,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:07:35,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 01:07:35,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2023-11-30 01:07:35,302 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 271 [2023-11-30 01:07:35,303 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 935 places, 4817 transitions, 229593 flow. Second operand has 20 states, 20 states have (on average 132.65) internal successors, (2653), 20 states have internal predecessors, (2653), 0 states have call successors, (0), 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 01:07:35,303 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:07:35,303 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 271 [2023-11-30 01:07:35,303 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:08:00,429 INFO L124 PetriNetUnfolderBase]: 9692/24715 cut-off events. [2023-11-30 01:08:00,430 INFO L125 PetriNetUnfolderBase]: For 759324/825190 co-relation queries the response was YES. [2023-11-30 01:08:00,459 INFO L83 FinitePrefix]: Finished finitePrefix Result has 478859 conditions, 24715 events. 9692/24715 cut-off events. For 759324/825190 co-relation queries the response was YES. Maximal size of possible extension queue 792. Compared 238870 event pairs, 144 based on Foata normal form. 298/24484 useless extension candidates. Maximal degree in co-relation 401167. Up to 16305 conditions per place. [2023-11-30 01:08:00,753 INFO L140 encePairwiseOnDemand]: 243/271 looper letters, 2428 selfloop transitions, 751 changer transitions 1941/5181 dead transitions. [2023-11-30 01:08:00,753 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 969 places, 5181 transitions, 257321 flow [2023-11-30 01:08:00,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-11-30 01:08:00,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2023-11-30 01:08:00,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 5016 transitions. [2023-11-30 01:08:00,756 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5288350026357407 [2023-11-30 01:08:00,756 INFO L72 ComplementDD]: Start complementDD. Operand 35 states and 5016 transitions. [2023-11-30 01:08:00,756 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 5016 transitions. [2023-11-30 01:08:00,757 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:08:00,757 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 35 states and 5016 transitions. [2023-11-30 01:08:00,760 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 36 states, 35 states have (on average 143.31428571428572) internal successors, (5016), 35 states have internal predecessors, (5016), 0 states have call successors, (0), 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 01:08:00,764 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 01:08:00,764 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 01:08:00,764 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, 704 predicate places. [2023-11-30 01:08:00,764 INFO L500 AbstractCegarLoop]: Abstraction has has 969 places, 5181 transitions, 257321 flow [2023-11-30 01:08:00,765 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 132.65) internal successors, (2653), 20 states have internal predecessors, (2653), 0 states have call successors, (0), 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 01:08:00,765 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:08:00,765 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, 1, 1, 1, 1] [2023-11-30 01:08:00,765 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-30 01:08:00,765 INFO L425 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:08:00,765 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:08:00,765 INFO L85 PathProgramCache]: Analyzing trace with hash -359133365, now seen corresponding path program 18 times [2023-11-30 01:08:00,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:08:00,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294546311] [2023-11-30 01:08:00,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:08:00,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:08:00,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:08:01,447 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 01:08:01,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:08:01,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294546311] [2023-11-30 01:08:01,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294546311] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:08:01,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:08:01,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-30 01:08:01,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968365855] [2023-11-30 01:08:01,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:08:01,448 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 01:08:01,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:08:01,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 01:08:01,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2023-11-30 01:08:01,449 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 271 [2023-11-30 01:08:01,450 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 969 places, 5181 transitions, 257321 flow. Second operand has 20 states, 20 states have (on average 132.65) internal successors, (2653), 20 states have internal predecessors, (2653), 0 states have call successors, (0), 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 01:08:01,450 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:08:01,450 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 271 [2023-11-30 01:08:01,450 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:08:32,494 INFO L124 PetriNetUnfolderBase]: 9983/25806 cut-off events. [2023-11-30 01:08:32,495 INFO L125 PetriNetUnfolderBase]: For 824344/900402 co-relation queries the response was YES. [2023-11-30 01:08:32,524 INFO L83 FinitePrefix]: Finished finitePrefix Result has 518026 conditions, 25806 events. 9983/25806 cut-off events. For 824344/900402 co-relation queries the response was YES. Maximal size of possible extension queue 828. Compared 253600 event pairs, 153 based on Foata normal form. 303/25550 useless extension candidates. Maximal degree in co-relation 433749. Up to 17006 conditions per place. [2023-11-30 01:08:32,838 INFO L140 encePairwiseOnDemand]: 243/271 looper letters, 2517 selfloop transitions, 793 changer transitions 2070/5441 dead transitions. [2023-11-30 01:08:32,838 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1007 places, 5441 transitions, 281095 flow [2023-11-30 01:08:32,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-11-30 01:08:32,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2023-11-30 01:08:32,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 5566 transitions. [2023-11-30 01:08:32,841 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.526634497114202 [2023-11-30 01:08:32,841 INFO L72 ComplementDD]: Start complementDD. Operand 39 states and 5566 transitions. [2023-11-30 01:08:32,841 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 5566 transitions. [2023-11-30 01:08:32,841 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:08:32,841 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 39 states and 5566 transitions. [2023-11-30 01:08:32,844 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 40 states, 39 states have (on average 142.71794871794873) internal successors, (5566), 39 states have internal predecessors, (5566), 0 states have call successors, (0), 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 01:08:32,848 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 40 states, 40 states have (on average 271.0) internal successors, (10840), 40 states have internal predecessors, (10840), 0 states have call successors, (0), 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 01:08:32,849 INFO L81 ComplementDD]: Finished complementDD. Result has 40 states, 40 states have (on average 271.0) internal successors, (10840), 40 states have internal predecessors, (10840), 0 states have call successors, (0), 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 01:08:32,849 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, 742 predicate places. [2023-11-30 01:08:32,849 INFO L500 AbstractCegarLoop]: Abstraction has has 1007 places, 5441 transitions, 281095 flow [2023-11-30 01:08:32,850 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 132.65) internal successors, (2653), 20 states have internal predecessors, (2653), 0 states have call successors, (0), 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 01:08:32,850 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:08:32,850 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, 1, 1, 1, 1] [2023-11-30 01:08:32,850 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-11-30 01:08:32,850 INFO L425 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:08:32,850 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:08:32,850 INFO L85 PathProgramCache]: Analyzing trace with hash 171917829, now seen corresponding path program 19 times [2023-11-30 01:08:32,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:08:32,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308513517] [2023-11-30 01:08:32,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:08:32,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:08:32,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:08:33,477 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 01:08:33,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:08:33,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308513517] [2023-11-30 01:08:33,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308513517] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:08:33,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:08:33,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-30 01:08:33,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859888537] [2023-11-30 01:08:33,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:08:33,477 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 01:08:33,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:08:33,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 01:08:33,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2023-11-30 01:08:33,479 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 271 [2023-11-30 01:08:33,480 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1007 places, 5441 transitions, 281095 flow. Second operand has 20 states, 20 states have (on average 132.65) internal successors, (2653), 20 states have internal predecessors, (2653), 0 states have call successors, (0), 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 01:08:33,480 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:08:33,480 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 271 [2023-11-30 01:08:33,480 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:09:05,990 INFO L124 PetriNetUnfolderBase]: 10541/27437 cut-off events. [2023-11-30 01:09:05,990 INFO L125 PetriNetUnfolderBase]: For 937963/1026793 co-relation queries the response was YES. [2023-11-30 01:09:06,028 INFO L83 FinitePrefix]: Finished finitePrefix Result has 570987 conditions, 27437 events. 10541/27437 cut-off events. For 937963/1026793 co-relation queries the response was YES. Maximal size of possible extension queue 884. Compared 273546 event pairs, 145 based on Foata normal form. 354/27192 useless extension candidates. Maximal degree in co-relation 478732. Up to 18048 conditions per place. [2023-11-30 01:09:06,558 INFO L140 encePairwiseOnDemand]: 243/271 looper letters, 2688 selfloop transitions, 884 changer transitions 2242/5875 dead transitions. [2023-11-30 01:09:06,558 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1043 places, 5875 transitions, 315389 flow [2023-11-30 01:09:06,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-11-30 01:09:06,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2023-11-30 01:09:06,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 5287 transitions. [2023-11-30 01:09:06,560 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5272763538446196 [2023-11-30 01:09:06,560 INFO L72 ComplementDD]: Start complementDD. Operand 37 states and 5287 transitions. [2023-11-30 01:09:06,561 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 5287 transitions. [2023-11-30 01:09:06,561 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:09:06,561 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 37 states and 5287 transitions. [2023-11-30 01:09:06,564 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 38 states, 37 states have (on average 142.8918918918919) internal successors, (5287), 37 states have internal predecessors, (5287), 0 states have call successors, (0), 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 01:09:06,568 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 01:09:06,568 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 01:09:06,569 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, 778 predicate places. [2023-11-30 01:09:06,569 INFO L500 AbstractCegarLoop]: Abstraction has has 1043 places, 5875 transitions, 315389 flow [2023-11-30 01:09:06,569 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 132.65) internal successors, (2653), 20 states have internal predecessors, (2653), 0 states have call successors, (0), 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 01:09:06,569 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:09:06,569 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, 1, 1, 1, 1] [2023-11-30 01:09:06,569 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-11-30 01:09:06,569 INFO L425 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:09:06,569 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:09:06,570 INFO L85 PathProgramCache]: Analyzing trace with hash 11958055, now seen corresponding path program 20 times [2023-11-30 01:09:06,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:09:06,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186310536] [2023-11-30 01:09:06,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:09:06,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:09:06,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:09:07,103 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 01:09:07,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:09:07,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186310536] [2023-11-30 01:09:07,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186310536] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:09:07,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:09:07,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-30 01:09:07,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26312082] [2023-11-30 01:09:07,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:09:07,104 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 01:09:07,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:09:07,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 01:09:07,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2023-11-30 01:09:07,106 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 271 [2023-11-30 01:09:07,107 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1043 places, 5875 transitions, 315389 flow. Second operand has 20 states, 20 states have (on average 132.65) internal successors, (2653), 20 states have internal predecessors, (2653), 0 states have call successors, (0), 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 01:09:07,107 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:09:07,107 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 271 [2023-11-30 01:09:07,107 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:09:44,545 INFO L124 PetriNetUnfolderBase]: 10826/28283 cut-off events. [2023-11-30 01:09:44,545 INFO L125 PetriNetUnfolderBase]: For 1057161/1159347 co-relation queries the response was YES. [2023-11-30 01:09:44,577 INFO L83 FinitePrefix]: Finished finitePrefix Result has 609173 conditions, 28283 events. 10826/28283 cut-off events. For 1057161/1159347 co-relation queries the response was YES. Maximal size of possible extension queue 910. Compared 283844 event pairs, 150 based on Foata normal form. 360/28024 useless extension candidates. Maximal degree in co-relation 511387. Up to 18636 conditions per place. [2023-11-30 01:09:45,071 INFO L140 encePairwiseOnDemand]: 243/271 looper letters, 2743 selfloop transitions, 901 changer transitions 2328/6033 dead transitions. [2023-11-30 01:09:45,071 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1081 places, 6033 transitions, 335857 flow [2023-11-30 01:09:45,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-11-30 01:09:45,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2023-11-30 01:09:45,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 5563 transitions. [2023-11-30 01:09:45,074 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5263506481218658 [2023-11-30 01:09:45,074 INFO L72 ComplementDD]: Start complementDD. Operand 39 states and 5563 transitions. [2023-11-30 01:09:45,074 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 5563 transitions. [2023-11-30 01:09:45,075 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:09:45,075 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 39 states and 5563 transitions. [2023-11-30 01:09:45,078 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 40 states, 39 states have (on average 142.64102564102564) internal successors, (5563), 39 states have internal predecessors, (5563), 0 states have call successors, (0), 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 01:09:45,082 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 40 states, 40 states have (on average 271.0) internal successors, (10840), 40 states have internal predecessors, (10840), 0 states have call successors, (0), 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 01:09:45,082 INFO L81 ComplementDD]: Finished complementDD. Result has 40 states, 40 states have (on average 271.0) internal successors, (10840), 40 states have internal predecessors, (10840), 0 states have call successors, (0), 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 01:09:45,083 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, 816 predicate places. [2023-11-30 01:09:45,083 INFO L500 AbstractCegarLoop]: Abstraction has has 1081 places, 6033 transitions, 335857 flow [2023-11-30 01:09:45,083 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 132.65) internal successors, (2653), 20 states have internal predecessors, (2653), 0 states have call successors, (0), 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 01:09:45,083 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:09:45,083 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, 1, 1, 1, 1] [2023-11-30 01:09:45,083 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-11-30 01:09:45,083 INFO L425 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:09:45,084 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:09:45,084 INFO L85 PathProgramCache]: Analyzing trace with hash -1391759161, now seen corresponding path program 21 times [2023-11-30 01:09:45,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:09:45,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467254279] [2023-11-30 01:09:45,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:09:45,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:09:45,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:09:45,627 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 01:09:45,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:09:45,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467254279] [2023-11-30 01:09:45,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467254279] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:09:45,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:09:45,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-30 01:09:45,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377716445] [2023-11-30 01:09:45,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:09:45,628 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 01:09:45,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:09:45,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 01:09:45,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2023-11-30 01:09:45,629 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 271 [2023-11-30 01:09:45,630 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1081 places, 6033 transitions, 335857 flow. Second operand has 20 states, 20 states have (on average 132.65) internal successors, (2653), 20 states have internal predecessors, (2653), 0 states have call successors, (0), 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 01:09:45,630 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:09:45,630 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 271 [2023-11-30 01:09:45,630 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:10:24,150 INFO L124 PetriNetUnfolderBase]: 11128/29313 cut-off events. [2023-11-30 01:10:24,150 INFO L125 PetriNetUnfolderBase]: For 1130101/1217621 co-relation queries the response was YES. [2023-11-30 01:10:24,185 INFO L83 FinitePrefix]: Finished finitePrefix Result has 653384 conditions, 29313 events. 11128/29313 cut-off events. For 1130101/1217621 co-relation queries the response was YES. Maximal size of possible extension queue 946. Compared 297432 event pairs, 148 based on Foata normal form. 406/29075 useless extension candidates. Maximal degree in co-relation 572936. Up to 19332 conditions per place. [2023-11-30 01:10:24,569 INFO L140 encePairwiseOnDemand]: 243/271 looper letters, 2822 selfloop transitions, 971 changer transitions 2457/6311 dead transitions. [2023-11-30 01:10:24,569 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1118 places, 6311 transitions, 363931 flow [2023-11-30 01:10:24,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-11-30 01:10:24,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2023-11-30 01:10:24,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 5425 transitions. [2023-11-30 01:10:24,572 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5268013206447854 [2023-11-30 01:10:24,572 INFO L72 ComplementDD]: Start complementDD. Operand 38 states and 5425 transitions. [2023-11-30 01:10:24,572 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 5425 transitions. [2023-11-30 01:10:24,573 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:10:24,573 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 38 states and 5425 transitions. [2023-11-30 01:10:24,576 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 39 states, 38 states have (on average 142.76315789473685) internal successors, (5425), 38 states have internal predecessors, (5425), 0 states have call successors, (0), 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 01:10:24,580 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 01:10:24,580 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 01:10:24,580 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, 853 predicate places. [2023-11-30 01:10:24,580 INFO L500 AbstractCegarLoop]: Abstraction has has 1118 places, 6311 transitions, 363931 flow [2023-11-30 01:10:24,581 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 132.65) internal successors, (2653), 20 states have internal predecessors, (2653), 0 states have call successors, (0), 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 01:10:24,581 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:10:24,581 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, 1, 1, 1, 1] [2023-11-30 01:10:24,581 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-11-30 01:10:24,581 INFO L425 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:10:24,581 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:10:24,581 INFO L85 PathProgramCache]: Analyzing trace with hash -874882639, now seen corresponding path program 22 times [2023-11-30 01:10:24,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:10:24,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475794892] [2023-11-30 01:10:24,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:10:24,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:10:24,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:10:25,083 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 01:10:25,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:10:25,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475794892] [2023-11-30 01:10:25,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475794892] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:10:25,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:10:25,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-30 01:10:25,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381342585] [2023-11-30 01:10:25,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:10:25,084 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 01:10:25,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:10:25,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 01:10:25,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2023-11-30 01:10:25,085 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 271 [2023-11-30 01:10:25,086 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1118 places, 6311 transitions, 363931 flow. Second operand has 20 states, 20 states have (on average 132.65) internal successors, (2653), 20 states have internal predecessors, (2653), 0 states have call successors, (0), 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 01:10:25,086 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:10:25,086 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 271 [2023-11-30 01:10:25,086 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:11:11,943 INFO L124 PetriNetUnfolderBase]: 11364/30049 cut-off events. [2023-11-30 01:11:11,943 INFO L125 PetriNetUnfolderBase]: For 1209618/1271060 co-relation queries the response was YES. [2023-11-30 01:11:11,986 INFO L83 FinitePrefix]: Finished finitePrefix Result has 693709 conditions, 30049 events. 11364/30049 cut-off events. For 1209618/1271060 co-relation queries the response was YES. Maximal size of possible extension queue 975. Compared 307636 event pairs, 75 based on Foata normal form. 456/29845 useless extension candidates. Maximal degree in co-relation 617665. Up to 19896 conditions per place. [2023-11-30 01:11:12,418 INFO L140 encePairwiseOnDemand]: 243/271 looper letters, 2887 selfloop transitions, 998 changer transitions 2543/6489 dead transitions. [2023-11-30 01:11:12,418 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1157 places, 6489 transitions, 387121 flow [2023-11-30 01:11:12,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-11-30 01:11:12,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2023-11-30 01:11:12,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 5703 transitions. [2023-11-30 01:11:12,421 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5261070110701107 [2023-11-30 01:11:12,421 INFO L72 ComplementDD]: Start complementDD. Operand 40 states and 5703 transitions. [2023-11-30 01:11:12,421 INFO L73 IsDeterministic]: Start isDeterministic. Operand 40 states and 5703 transitions. [2023-11-30 01:11:12,422 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:11:12,422 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 40 states and 5703 transitions. [2023-11-30 01:11:12,425 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 41 states, 40 states have (on average 142.575) internal successors, (5703), 40 states have internal predecessors, (5703), 0 states have call successors, (0), 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 01:11:12,429 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 41 states, 41 states have (on average 271.0) internal successors, (11111), 41 states have internal predecessors, (11111), 0 states have call successors, (0), 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 01:11:12,429 INFO L81 ComplementDD]: Finished complementDD. Result has 41 states, 41 states have (on average 271.0) internal successors, (11111), 41 states have internal predecessors, (11111), 0 states have call successors, (0), 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 01:11:12,430 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, 892 predicate places. [2023-11-30 01:11:12,430 INFO L500 AbstractCegarLoop]: Abstraction has has 1157 places, 6489 transitions, 387121 flow [2023-11-30 01:11:12,430 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 132.65) internal successors, (2653), 20 states have internal predecessors, (2653), 0 states have call successors, (0), 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 01:11:12,430 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:11:12,430 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, 1, 1, 1, 1] [2023-11-30 01:11:12,430 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-11-30 01:11:12,430 INFO L425 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:11:12,430 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:11:12,431 INFO L85 PathProgramCache]: Analyzing trace with hash 778095517, now seen corresponding path program 23 times [2023-11-30 01:11:12,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:11:12,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192776043] [2023-11-30 01:11:12,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:11:12,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:11:12,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:11:12,949 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 01:11:12,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:11:12,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192776043] [2023-11-30 01:11:12,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192776043] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:11:12,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:11:12,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-30 01:11:12,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298769745] [2023-11-30 01:11:12,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:11:12,950 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 01:11:12,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:11:12,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 01:11:12,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2023-11-30 01:11:12,952 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 271 [2023-11-30 01:11:12,952 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1157 places, 6489 transitions, 387121 flow. Second operand has 20 states, 20 states have (on average 132.65) internal successors, (2653), 20 states have internal predecessors, (2653), 0 states have call successors, (0), 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 01:11:12,953 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:11:12,953 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 271 [2023-11-30 01:11:12,953 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:12:00,469 INFO L124 PetriNetUnfolderBase]: 11699/30961 cut-off events. [2023-11-30 01:12:00,469 INFO L125 PetriNetUnfolderBase]: For 1324185/1389427 co-relation queries the response was YES. [2023-11-30 01:12:00,516 INFO L83 FinitePrefix]: Finished finitePrefix Result has 737778 conditions, 30961 events. 11699/30961 cut-off events. For 1324185/1389427 co-relation queries the response was YES. Maximal size of possible extension queue 1006. Compared 317838 event pairs, 184 based on Foata normal form. 506/30790 useless extension candidates. Maximal degree in co-relation 656592. Up to 20529 conditions per place. [2023-11-30 01:12:01,155 INFO L140 encePairwiseOnDemand]: 243/271 looper letters, 2931 selfloop transitions, 1035 changer transitions 2629/6656 dead transitions. [2023-11-30 01:12:01,155 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1196 places, 6656 transitions, 410355 flow [2023-11-30 01:12:01,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-11-30 01:12:01,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2023-11-30 01:12:01,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 5705 transitions. [2023-11-30 01:12:01,158 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5262915129151291 [2023-11-30 01:12:01,158 INFO L72 ComplementDD]: Start complementDD. Operand 40 states and 5705 transitions. [2023-11-30 01:12:01,158 INFO L73 IsDeterministic]: Start isDeterministic. Operand 40 states and 5705 transitions. [2023-11-30 01:12:01,159 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:12:01,159 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 40 states and 5705 transitions. [2023-11-30 01:12:01,162 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 41 states, 40 states have (on average 142.625) internal successors, (5705), 40 states have internal predecessors, (5705), 0 states have call successors, (0), 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 01:12:01,166 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 41 states, 41 states have (on average 271.0) internal successors, (11111), 41 states have internal predecessors, (11111), 0 states have call successors, (0), 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 01:12:01,167 INFO L81 ComplementDD]: Finished complementDD. Result has 41 states, 41 states have (on average 271.0) internal successors, (11111), 41 states have internal predecessors, (11111), 0 states have call successors, (0), 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 01:12:01,167 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, 931 predicate places. [2023-11-30 01:12:01,167 INFO L500 AbstractCegarLoop]: Abstraction has has 1196 places, 6656 transitions, 410355 flow [2023-11-30 01:12:01,167 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 132.65) internal successors, (2653), 20 states have internal predecessors, (2653), 0 states have call successors, (0), 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 01:12:01,167 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:12:01,167 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, 1, 1, 1, 1] [2023-11-30 01:12:01,167 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-11-30 01:12:01,168 INFO L425 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:12:01,168 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:12:01,168 INFO L85 PathProgramCache]: Analyzing trace with hash -1622751021, now seen corresponding path program 24 times [2023-11-30 01:12:01,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:12:01,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531795692] [2023-11-30 01:12:01,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:12:01,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:12:01,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:12:01,669 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 01:12:01,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:12:01,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531795692] [2023-11-30 01:12:01,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531795692] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:12:01,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:12:01,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-30 01:12:01,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122044385] [2023-11-30 01:12:01,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:12:01,670 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 01:12:01,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:12:01,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 01:12:01,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2023-11-30 01:12:01,671 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 271 [2023-11-30 01:12:01,672 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1196 places, 6656 transitions, 410355 flow. Second operand has 20 states, 20 states have (on average 132.65) internal successors, (2653), 20 states have internal predecessors, (2653), 0 states have call successors, (0), 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 01:12:01,672 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:12:01,672 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 271 [2023-11-30 01:12:01,672 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:13:01,883 INFO L124 PetriNetUnfolderBase]: 12364/33040 cut-off events. [2023-11-30 01:13:01,883 INFO L125 PetriNetUnfolderBase]: For 1515056/1645665 co-relation queries the response was YES. [2023-11-30 01:13:01,928 INFO L83 FinitePrefix]: Finished finitePrefix Result has 807330 conditions, 33040 events. 12364/33040 cut-off events. For 1515056/1645665 co-relation queries the response was YES. Maximal size of possible extension queue 1082. Compared 344709 event pairs, 166 based on Foata normal form. 442/32710 useless extension candidates. Maximal degree in co-relation 557616. Up to 21874 conditions per place. [2023-11-30 01:13:02,447 INFO L140 encePairwiseOnDemand]: 243/271 looper letters, 3073 selfloop transitions, 1098 changer transitions 2801/7033 dead transitions. [2023-11-30 01:13:02,447 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1236 places, 7033 transitions, 447811 flow [2023-11-30 01:13:02,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-11-30 01:13:02,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2023-11-30 01:13:02,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 5843 transitions. [2023-11-30 01:13:02,450 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5258752587525876 [2023-11-30 01:13:02,450 INFO L72 ComplementDD]: Start complementDD. Operand 41 states and 5843 transitions. [2023-11-30 01:13:02,450 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 5843 transitions. [2023-11-30 01:13:02,450 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:13:02,450 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 41 states and 5843 transitions. [2023-11-30 01:13:02,454 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 42 states, 41 states have (on average 142.5121951219512) internal successors, (5843), 41 states have internal predecessors, (5843), 0 states have call successors, (0), 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 01:13:02,458 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 01:13:02,458 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 01:13:02,459 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, 971 predicate places. [2023-11-30 01:13:02,459 INFO L500 AbstractCegarLoop]: Abstraction has has 1236 places, 7033 transitions, 447811 flow [2023-11-30 01:13:02,459 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 132.65) internal successors, (2653), 20 states have internal predecessors, (2653), 0 states have call successors, (0), 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 01:13:02,459 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:13:02,459 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, 1, 1, 1, 1] [2023-11-30 01:13:02,459 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-11-30 01:13:02,459 INFO L425 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:13:02,459 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:13:02,459 INFO L85 PathProgramCache]: Analyzing trace with hash -2125721235, now seen corresponding path program 25 times [2023-11-30 01:13:02,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:13:02,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529337914] [2023-11-30 01:13:02,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:13:02,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:13:02,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:13:02,960 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 01:13:02,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:13:02,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529337914] [2023-11-30 01:13:02,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529337914] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:13:02,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:13:02,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-30 01:13:02,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184988333] [2023-11-30 01:13:02,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:13:02,961 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 01:13:02,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:13:02,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 01:13:02,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2023-11-30 01:13:02,963 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 271 [2023-11-30 01:13:02,963 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1236 places, 7033 transitions, 447811 flow. Second operand has 20 states, 20 states have (on average 132.65) internal successors, (2653), 20 states have internal predecessors, (2653), 0 states have call successors, (0), 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 01:13:02,963 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:13:02,964 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 271 [2023-11-30 01:13:02,964 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:14:06,084 INFO L124 PetriNetUnfolderBase]: 12789/34094 cut-off events. [2023-11-30 01:14:06,084 INFO L125 PetriNetUnfolderBase]: For 1672664/1813725 co-relation queries the response was YES. [2023-11-30 01:14:06,132 INFO L83 FinitePrefix]: Finished finitePrefix Result has 860103 conditions, 34094 events. 12789/34094 cut-off events. For 1672664/1813725 co-relation queries the response was YES. Maximal size of possible extension queue 1122. Compared 356938 event pairs, 137 based on Foata normal form. 454/33753 useless extension candidates. Maximal degree in co-relation 594725. Up to 22615 conditions per place. [2023-11-30 01:14:06,680 INFO L140 encePairwiseOnDemand]: 243/271 looper letters, 3200 selfloop transitions, 1134 changer transitions 2887/7282 dead transitions. [2023-11-30 01:14:06,681 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1276 places, 7282 transitions, 478281 flow [2023-11-30 01:14:06,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-11-30 01:14:06,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2023-11-30 01:14:06,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 5835 transitions. [2023-11-30 01:14:06,687 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5251552515525155 [2023-11-30 01:14:06,687 INFO L72 ComplementDD]: Start complementDD. Operand 41 states and 5835 transitions. [2023-11-30 01:14:06,687 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 5835 transitions. [2023-11-30 01:14:06,687 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:14:06,687 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 41 states and 5835 transitions. [2023-11-30 01:14:06,690 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 42 states, 41 states have (on average 142.3170731707317) internal successors, (5835), 41 states have internal predecessors, (5835), 0 states have call successors, (0), 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 01:14:06,695 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 01:14:06,695 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 01:14:06,695 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, 1011 predicate places. [2023-11-30 01:14:06,696 INFO L500 AbstractCegarLoop]: Abstraction has has 1276 places, 7282 transitions, 478281 flow [2023-11-30 01:14:06,696 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 132.65) internal successors, (2653), 20 states have internal predecessors, (2653), 0 states have call successors, (0), 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 01:14:06,696 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:14:06,696 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, 1, 1, 1, 1] [2023-11-30 01:14:06,696 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2023-11-30 01:14:06,696 INFO L425 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:14:06,696 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:14:06,696 INFO L85 PathProgramCache]: Analyzing trace with hash 1867951691, now seen corresponding path program 26 times [2023-11-30 01:14:06,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:14:06,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867013959] [2023-11-30 01:14:06,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:14:06,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:14:06,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:14:07,354 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 01:14:07,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:14:07,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867013959] [2023-11-30 01:14:07,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867013959] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:14:07,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:14:07,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-30 01:14:07,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542759062] [2023-11-30 01:14:07,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:14:07,355 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 01:14:07,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:14:07,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 01:14:07,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2023-11-30 01:14:07,356 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 271 [2023-11-30 01:14:07,357 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1276 places, 7282 transitions, 478281 flow. Second operand has 20 states, 20 states have (on average 132.65) internal successors, (2653), 20 states have internal predecessors, (2653), 0 states have call successors, (0), 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 01:14:07,357 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:14:07,357 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 271 [2023-11-30 01:14:07,357 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:15:15,348 INFO L124 PetriNetUnfolderBase]: 13254/35396 cut-off events. [2023-11-30 01:15:15,349 INFO L125 PetriNetUnfolderBase]: For 1867055/2003122 co-relation queries the response was YES. [2023-11-30 01:15:15,403 INFO L83 FinitePrefix]: Finished finitePrefix Result has 920351 conditions, 35396 events. 13254/35396 cut-off events. For 1867055/2003122 co-relation queries the response was YES. Maximal size of possible extension queue 1170. Compared 374588 event pairs, 117 based on Foata normal form. 493/35078 useless extension candidates. Maximal degree in co-relation 806999. Up to 23519 conditions per place. [2023-11-30 01:15:16,136 INFO L140 encePairwiseOnDemand]: 243/271 looper letters, 3396 selfloop transitions, 1133 changer transitions 3016/7606 dead transitions. [2023-11-30 01:15:16,136 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1314 places, 7606 transitions, 514867 flow [2023-11-30 01:15:16,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-11-30 01:15:16,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2023-11-30 01:15:16,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 5556 transitions. [2023-11-30 01:15:16,143 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.525688333806415 [2023-11-30 01:15:16,143 INFO L72 ComplementDD]: Start complementDD. Operand 39 states and 5556 transitions. [2023-11-30 01:15:16,143 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 5556 transitions. [2023-11-30 01:15:16,143 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:15:16,143 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 39 states and 5556 transitions. [2023-11-30 01:15:16,146 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 40 states, 39 states have (on average 142.46153846153845) internal successors, (5556), 39 states have internal predecessors, (5556), 0 states have call successors, (0), 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 01:15:16,151 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 40 states, 40 states have (on average 271.0) internal successors, (10840), 40 states have internal predecessors, (10840), 0 states have call successors, (0), 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 01:15:16,151 INFO L81 ComplementDD]: Finished complementDD. Result has 40 states, 40 states have (on average 271.0) internal successors, (10840), 40 states have internal predecessors, (10840), 0 states have call successors, (0), 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 01:15:16,152 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, 1049 predicate places. [2023-11-30 01:15:16,152 INFO L500 AbstractCegarLoop]: Abstraction has has 1314 places, 7606 transitions, 514867 flow [2023-11-30 01:15:16,153 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 132.65) internal successors, (2653), 20 states have internal predecessors, (2653), 0 states have call successors, (0), 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 01:15:16,153 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:15:16,153 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, 1, 1, 1, 1] [2023-11-30 01:15:16,153 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2023-11-30 01:15:16,153 INFO L425 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:15:16,153 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:15:16,153 INFO L85 PathProgramCache]: Analyzing trace with hash 492151015, now seen corresponding path program 27 times [2023-11-30 01:15:16,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:15:16,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436400495] [2023-11-30 01:15:16,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:15:16,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:15:16,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:15:16,682 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 01:15:16,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:15:16,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436400495] [2023-11-30 01:15:16,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436400495] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:15:16,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:15:16,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-30 01:15:16,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786772193] [2023-11-30 01:15:16,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:15:16,683 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 01:15:16,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:15:16,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 01:15:16,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2023-11-30 01:15:16,684 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 271 [2023-11-30 01:15:16,685 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1314 places, 7606 transitions, 514867 flow. Second operand has 20 states, 20 states have (on average 132.65) internal successors, (2653), 20 states have internal predecessors, (2653), 0 states have call successors, (0), 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 01:15:16,685 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:15:16,685 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 271 [2023-11-30 01:15:16,685 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:16:40,141 INFO L124 PetriNetUnfolderBase]: 13535/36266 cut-off events. [2023-11-30 01:16:40,141 INFO L125 PetriNetUnfolderBase]: For 1960333/2053735 co-relation queries the response was YES. [2023-11-30 01:16:40,199 INFO L83 FinitePrefix]: Finished finitePrefix Result has 969419 conditions, 36266 events. 13535/36266 cut-off events. For 1960333/2053735 co-relation queries the response was YES. Maximal size of possible extension queue 1202. Compared 386378 event pairs, 152 based on Foata normal form. 541/35996 useless extension candidates. Maximal degree in co-relation 861488. Up to 24131 conditions per place. [2023-11-30 01:16:40,877 INFO L140 encePairwiseOnDemand]: 243/271 looper letters, 3392 selfloop transitions, 1224 changer transitions 3102/7779 dead transitions. [2023-11-30 01:16:40,877 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1354 places, 7779 transitions, 542097 flow [2023-11-30 01:16:40,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-11-30 01:16:40,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2023-11-30 01:16:40,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 5843 transitions. [2023-11-30 01:16:40,880 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5258752587525876 [2023-11-30 01:16:40,880 INFO L72 ComplementDD]: Start complementDD. Operand 41 states and 5843 transitions. [2023-11-30 01:16:40,880 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 5843 transitions. [2023-11-30 01:16:40,881 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:16:40,881 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 41 states and 5843 transitions. [2023-11-30 01:16:40,884 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 42 states, 41 states have (on average 142.5121951219512) internal successors, (5843), 41 states have internal predecessors, (5843), 0 states have call successors, (0), 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 01:16:40,888 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 01:16:40,889 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 01:16:40,889 INFO L307 CegarLoopForPetriNet]: 265 programPoint places, 1089 predicate places. [2023-11-30 01:16:40,889 INFO L500 AbstractCegarLoop]: Abstraction has has 1354 places, 7779 transitions, 542097 flow [2023-11-30 01:16:40,889 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 132.65) internal successors, (2653), 20 states have internal predecessors, (2653), 0 states have call successors, (0), 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 01:16:40,889 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:16:40,890 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, 1, 1, 1, 1] [2023-11-30 01:16:40,890 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2023-11-30 01:16:40,890 INFO L425 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 01:16:40,890 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:16:40,890 INFO L85 PathProgramCache]: Analyzing trace with hash -570679101, now seen corresponding path program 28 times [2023-11-30 01:16:40,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:16:40,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441120417] [2023-11-30 01:16:40,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:16:40,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:16:40,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:16:41,429 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 01:16:41,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:16:41,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441120417] [2023-11-30 01:16:41,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441120417] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:16:41,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:16:41,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-30 01:16:41,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804581753] [2023-11-30 01:16:41,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:16:41,430 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 01:16:41,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:16:41,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 01:16:41,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2023-11-30 01:16:41,431 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 271 [2023-11-30 01:16:41,432 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1354 places, 7779 transitions, 542097 flow. Second operand has 20 states, 20 states have (on average 132.65) internal successors, (2653), 20 states have internal predecessors, (2653), 0 states have call successors, (0), 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 01:16:41,432 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:16:41,432 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 271 [2023-11-30 01:16:41,432 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand Received shutdown request... [2023-11-30 01:17:40,133 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 01:17:40,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-11-30 01:17:40,148 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (24 of 25 remaining) [2023-11-30 01:17:40,148 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2023-11-30 01:17:40,149 WARN L624 AbstractCegarLoop]: Verification canceled: while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (20states, 130/271 universal loopers) in iteration 37,while PetriNetUnfolder was constructing finite prefix that currently has 732786 conditions, 23781 events (11495/23780 cut-off events. For 1391403/1484356 co-relation queries the response was YES. Maximal size of possible extension queue 1233. Compared 245961 event pairs, 77 based on Foata normal form. 511/24902 useless extension candidates. Maximal degree in co-relation 729699. Up to 17298 conditions per place.). [2023-11-30 01:17:40,150 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (23 of 25 remaining) [2023-11-30 01:17:40,151 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (22 of 25 remaining) [2023-11-30 01:17:40,151 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (21 of 25 remaining) [2023-11-30 01:17:40,151 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (20 of 25 remaining) [2023-11-30 01:17:40,151 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (19 of 25 remaining) [2023-11-30 01:17:40,151 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (18 of 25 remaining) [2023-11-30 01:17:40,151 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (17 of 25 remaining) [2023-11-30 01:17:40,152 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (16 of 25 remaining) [2023-11-30 01:17:40,152 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (15 of 25 remaining) [2023-11-30 01:17:40,152 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (14 of 25 remaining) [2023-11-30 01:17:40,152 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (13 of 25 remaining) [2023-11-30 01:17:40,152 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (12 of 25 remaining) [2023-11-30 01:17:40,152 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (11 of 25 remaining) [2023-11-30 01:17:40,152 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 25 remaining) [2023-11-30 01:17:40,152 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 25 remaining) [2023-11-30 01:17:40,152 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (8 of 25 remaining) [2023-11-30 01:17:40,152 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (7 of 25 remaining) [2023-11-30 01:17:40,152 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (6 of 25 remaining) [2023-11-30 01:17:40,152 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (5 of 25 remaining) [2023-11-30 01:17:40,152 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (4 of 25 remaining) [2023-11-30 01:17:40,153 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (3 of 25 remaining) [2023-11-30 01:17:40,153 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (2 of 25 remaining) [2023-11-30 01:17:40,153 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (1 of 25 remaining) [2023-11-30 01:17:40,153 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (0 of 25 remaining) [2023-11-30 01:17:40,153 INFO L457 BasicCegarLoop]: Path program histogram: [28, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 01:17:40,156 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-30 01:17:40,156 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-11-30 01:17:40,159 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 01:17:40 BasicIcfg [2023-11-30 01:17:40,159 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-30 01:17:40,159 INFO L158 Benchmark]: Toolchain (without parser) took 816455.44ms. Allocated memory was 513.8MB in the beginning and 5.7GB in the end (delta: 5.2GB). Free memory was 464.3MB in the beginning and 3.9GB in the end (delta: -3.4GB). Peak memory consumption was 6.0GB. Max. memory is 16.0GB. [2023-11-30 01:17:40,159 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 354.4MB. Free memory is still 301.9MB. There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 01:17:40,159 INFO L158 Benchmark]: CACSL2BoogieTranslator took 719.69ms. Allocated memory is still 513.8MB. Free memory was 464.0MB in the beginning and 465.7MB in the end (delta: -1.8MB). Peak memory consumption was 60.1MB. Max. memory is 16.0GB. [2023-11-30 01:17:40,160 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.78ms. Allocated memory is still 513.8MB. Free memory was 465.7MB in the beginning and 461.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-11-30 01:17:40,160 INFO L158 Benchmark]: Boogie Preprocessor took 44.54ms. Allocated memory is still 513.8MB. Free memory was 461.5MB in the beginning and 457.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-11-30 01:17:40,160 INFO L158 Benchmark]: RCFGBuilder took 715.57ms. Allocated memory is still 513.8MB. Free memory was 457.3MB in the beginning and 401.8MB in the end (delta: 55.6MB). Peak memory consumption was 56.6MB. Max. memory is 16.0GB. [2023-11-30 01:17:40,160 INFO L158 Benchmark]: TraceAbstraction took 814923.73ms. Allocated memory was 513.8MB in the beginning and 5.7GB in the end (delta: 5.2GB). Free memory was 401.8MB in the beginning and 3.9GB in the end (delta: -3.5GB). Peak memory consumption was 6.0GB. Max. memory is 16.0GB. [2023-11-30 01:17:40,161 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 354.4MB. Free memory is still 301.9MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 719.69ms. Allocated memory is still 513.8MB. Free memory was 464.0MB in the beginning and 465.7MB in the end (delta: -1.8MB). Peak memory consumption was 60.1MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 46.78ms. Allocated memory is still 513.8MB. Free memory was 465.7MB in the beginning and 461.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 44.54ms. Allocated memory is still 513.8MB. Free memory was 461.5MB in the beginning and 457.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * RCFGBuilder took 715.57ms. Allocated memory is still 513.8MB. Free memory was 457.3MB in the beginning and 401.8MB in the end (delta: 55.6MB). Peak memory consumption was 56.6MB. Max. memory is 16.0GB. * TraceAbstraction took 814923.73ms. Allocated memory was 513.8MB in the beginning and 5.7GB in the end (delta: 5.2GB). Free memory was 401.8MB in the beginning and 3.9GB in the end (delta: -3.5GB). Peak memory consumption was 6.0GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 1734]: 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 37,while PetriNetUnfolder was constructing finite prefix that currently has 732786 conditions, 23781 events (11495/23780 cut-off events. For 1391403/1484356 co-relation queries the response was YES. Maximal size of possible extension queue 1233. Compared 245961 event pairs, 77 based on Foata normal form. 511/24902 useless extension candidates. Maximal degree in co-relation 729699. Up to 17298 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 37,while PetriNetUnfolder was constructing finite prefix that currently has 732786 conditions, 23781 events (11495/23780 cut-off events. For 1391403/1484356 co-relation queries the response was YES. Maximal size of possible extension queue 1233. Compared 245961 event pairs, 77 based on Foata normal form. 511/24902 useless extension candidates. Maximal degree in co-relation 729699. Up to 17298 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 37,while PetriNetUnfolder was constructing finite prefix that currently has 732786 conditions, 23781 events (11495/23780 cut-off events. For 1391403/1484356 co-relation queries the response was YES. Maximal size of possible extension queue 1233. Compared 245961 event pairs, 77 based on Foata normal form. 511/24902 useless extension candidates. Maximal degree in co-relation 729699. Up to 17298 conditions per place.). - TimeoutResultAtElement [Line: 1716]: 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 37,while PetriNetUnfolder was constructing finite prefix that currently has 732786 conditions, 23781 events (11495/23780 cut-off events. For 1391403/1484356 co-relation queries the response was YES. Maximal size of possible extension queue 1233. Compared 245961 event pairs, 77 based on Foata normal form. 511/24902 useless extension candidates. Maximal degree in co-relation 729699. Up to 17298 conditions per place.). - TimeoutResultAtElement [Line: 1719]: 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 37,while PetriNetUnfolder was constructing finite prefix that currently has 732786 conditions, 23781 events (11495/23780 cut-off events. For 1391403/1484356 co-relation queries the response was YES. Maximal size of possible extension queue 1233. Compared 245961 event pairs, 77 based on Foata normal form. 511/24902 useless extension candidates. Maximal degree in co-relation 729699. Up to 17298 conditions per place.). - 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 37,while PetriNetUnfolder was constructing finite prefix that currently has 732786 conditions, 23781 events (11495/23780 cut-off events. For 1391403/1484356 co-relation queries the response was YES. Maximal size of possible extension queue 1233. Compared 245961 event pairs, 77 based on Foata normal form. 511/24902 useless extension candidates. Maximal degree in co-relation 729699. Up to 17298 conditions per place.). - TimeoutResultAtElement [Line: 1725]: 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 37,while PetriNetUnfolder was constructing finite prefix that currently has 732786 conditions, 23781 events (11495/23780 cut-off events. For 1391403/1484356 co-relation queries the response was YES. Maximal size of possible extension queue 1233. Compared 245961 event pairs, 77 based on Foata normal form. 511/24902 useless extension candidates. Maximal degree in co-relation 729699. Up to 17298 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 37,while PetriNetUnfolder was constructing finite prefix that currently has 732786 conditions, 23781 events (11495/23780 cut-off events. For 1391403/1484356 co-relation queries the response was YES. Maximal size of possible extension queue 1233. Compared 245961 event pairs, 77 based on Foata normal form. 511/24902 useless extension candidates. Maximal degree in co-relation 729699. Up to 17298 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 37,while PetriNetUnfolder was constructing finite prefix that currently has 732786 conditions, 23781 events (11495/23780 cut-off events. For 1391403/1484356 co-relation queries the response was YES. Maximal size of possible extension queue 1233. Compared 245961 event pairs, 77 based on Foata normal form. 511/24902 useless extension candidates. Maximal degree in co-relation 729699. Up to 17298 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 37,while PetriNetUnfolder was constructing finite prefix that currently has 732786 conditions, 23781 events (11495/23780 cut-off events. For 1391403/1484356 co-relation queries the response was YES. Maximal size of possible extension queue 1233. Compared 245961 event pairs, 77 based on Foata normal form. 511/24902 useless extension candidates. Maximal degree in co-relation 729699. Up to 17298 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 37,while PetriNetUnfolder was constructing finite prefix that currently has 732786 conditions, 23781 events (11495/23780 cut-off events. For 1391403/1484356 co-relation queries the response was YES. Maximal size of possible extension queue 1233. Compared 245961 event pairs, 77 based on Foata normal form. 511/24902 useless extension candidates. Maximal degree in co-relation 729699. Up to 17298 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 37,while PetriNetUnfolder was constructing finite prefix that currently has 732786 conditions, 23781 events (11495/23780 cut-off events. For 1391403/1484356 co-relation queries the response was YES. Maximal size of possible extension queue 1233. Compared 245961 event pairs, 77 based on Foata normal form. 511/24902 useless extension candidates. Maximal degree in co-relation 729699. Up to 17298 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 37,while PetriNetUnfolder was constructing finite prefix that currently has 732786 conditions, 23781 events (11495/23780 cut-off events. For 1391403/1484356 co-relation queries the response was YES. Maximal size of possible extension queue 1233. Compared 245961 event pairs, 77 based on Foata normal form. 511/24902 useless extension candidates. Maximal degree in co-relation 729699. Up to 17298 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 37,while PetriNetUnfolder was constructing finite prefix that currently has 732786 conditions, 23781 events (11495/23780 cut-off events. For 1391403/1484356 co-relation queries the response was YES. Maximal size of possible extension queue 1233. Compared 245961 event pairs, 77 based on Foata normal form. 511/24902 useless extension candidates. Maximal degree in co-relation 729699. Up to 17298 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 37,while PetriNetUnfolder was constructing finite prefix that currently has 732786 conditions, 23781 events (11495/23780 cut-off events. For 1391403/1484356 co-relation queries the response was YES. Maximal size of possible extension queue 1233. Compared 245961 event pairs, 77 based on Foata normal form. 511/24902 useless extension candidates. Maximal degree in co-relation 729699. Up to 17298 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 37,while PetriNetUnfolder was constructing finite prefix that currently has 732786 conditions, 23781 events (11495/23780 cut-off events. For 1391403/1484356 co-relation queries the response was YES. Maximal size of possible extension queue 1233. Compared 245961 event pairs, 77 based on Foata normal form. 511/24902 useless extension candidates. Maximal degree in co-relation 729699. Up to 17298 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 37,while PetriNetUnfolder was constructing finite prefix that currently has 732786 conditions, 23781 events (11495/23780 cut-off events. For 1391403/1484356 co-relation queries the response was YES. Maximal size of possible extension queue 1233. Compared 245961 event pairs, 77 based on Foata normal form. 511/24902 useless extension candidates. Maximal degree in co-relation 729699. Up to 17298 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 37,while PetriNetUnfolder was constructing finite prefix that currently has 732786 conditions, 23781 events (11495/23780 cut-off events. For 1391403/1484356 co-relation queries the response was YES. Maximal size of possible extension queue 1233. Compared 245961 event pairs, 77 based on Foata normal form. 511/24902 useless extension candidates. Maximal degree in co-relation 729699. Up to 17298 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 37,while PetriNetUnfolder was constructing finite prefix that currently has 732786 conditions, 23781 events (11495/23780 cut-off events. For 1391403/1484356 co-relation queries the response was YES. Maximal size of possible extension queue 1233. Compared 245961 event pairs, 77 based on Foata normal form. 511/24902 useless extension candidates. Maximal degree in co-relation 729699. Up to 17298 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: 814.8s, OverallIterations: 37, TraceHistogramMax: 1, PathProgramHistogramMax: 28, EmptinessCheckTime: 0.0s, AutomataDifference: 794.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 34101 SdHoareTripleChecker+Valid, 51.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 34101 mSDsluCounter, 10002 SdHoareTripleChecker+Invalid, 43.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8367 mSDsCounter, 3588 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 86450 IncrementalHoareTripleChecker+Invalid, 90038 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3588 mSolverCounterUnsat, 1635 mSDtfsCounter, 86450 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1570 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1521 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17311 ImplicationChecksByTransitivity, 20.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=542097occurred in iteration=36, InterpolantAutomatonStates: 1155, 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, 0.4s SatisfiabilityAnalysisTime, 19.1s InterpolantComputationTime, 3305 NumberOfCodeBlocks, 3305 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 3268 ConstructedInterpolants, 0 QuantifiedInterpolants, 28831 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 37 InterpolantComputations, 37 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