/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/goblint-regression/06-symbeq_15-list_entry_nr.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-30 01:41:56,173 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-30 01:41:56,256 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 01:41:56,284 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-30 01:41:56,285 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-30 01:41:56,286 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-30 01:41:56,286 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-30 01:41:56,287 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-30 01:41:56,287 INFO L153 SettingsManager]: * Use SBE=true [2023-11-30 01:41:56,290 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-30 01:41:56,291 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-30 01:41:56,291 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-30 01:41:56,291 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-30 01:41:56,292 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-30 01:41:56,293 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-30 01:41:56,293 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-30 01:41:56,293 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-30 01:41:56,293 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-30 01:41:56,294 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-30 01:41:56,294 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-30 01:41:56,294 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-30 01:41:56,295 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-30 01:41:56,295 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-30 01:41:56,295 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-30 01:41:56,295 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-30 01:41:56,296 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 01:41:56,296 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-30 01:41:56,296 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-30 01:41:56,296 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-30 01:41:56,296 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-30 01:41:56,297 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-30 01:41:56,297 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-30 01:41:56,298 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-30 01:41:56,298 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2023-11-30 01:41:56,528 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-30 01:41:56,556 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-30 01:41:56,558 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-30 01:41:56,559 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-30 01:41:56,559 INFO L274 PluginConnector]: CDTParser initialized [2023-11-30 01:41:56,560 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/06-symbeq_15-list_entry_nr.i [2023-11-30 01:41:57,715 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-30 01:41:57,963 INFO L384 CDTParser]: Found 1 translation units. [2023-11-30 01:41:57,963 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/06-symbeq_15-list_entry_nr.i [2023-11-30 01:41:57,980 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9746d6f33/f3d17df05d3e476d9383419efe4f3abc/FLAG9ead49aa9 [2023-11-30 01:41:57,996 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9746d6f33/f3d17df05d3e476d9383419efe4f3abc [2023-11-30 01:41:57,998 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-30 01:41:57,999 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-30 01:41:58,002 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-30 01:41:58,002 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-30 01:41:58,007 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-30 01:41:58,007 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:41:57" (1/1) ... [2023-11-30 01:41:58,008 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33ee21af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:41:58, skipping insertion in model container [2023-11-30 01:41:58,008 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:41:57" (1/1) ... [2023-11-30 01:41:58,058 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-30 01:41:58,470 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 01:41:58,479 INFO L202 MainTranslator]: Completed pre-run [2023-11-30 01:41:58,532 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 01:41:58,589 INFO L206 MainTranslator]: Completed translation [2023-11-30 01:41:58,590 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:41:58 WrapperNode [2023-11-30 01:41:58,590 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-30 01:41:58,591 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-30 01:41:58,591 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-30 01:41:58,591 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-30 01:41:58,596 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:41:58" (1/1) ... [2023-11-30 01:41:58,624 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:41:58" (1/1) ... [2023-11-30 01:41:58,650 INFO L138 Inliner]: procedures = 366, calls = 16, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 98 [2023-11-30 01:41:58,650 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-30 01:41:58,651 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-30 01:41:58,651 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-30 01:41:58,651 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-30 01:41:58,661 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:41:58" (1/1) ... [2023-11-30 01:41:58,661 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:41:58" (1/1) ... [2023-11-30 01:41:58,665 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:41:58" (1/1) ... [2023-11-30 01:41:58,665 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:41:58" (1/1) ... [2023-11-30 01:41:58,674 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:41:58" (1/1) ... [2023-11-30 01:41:58,675 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:41:58" (1/1) ... [2023-11-30 01:41:58,676 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:41:58" (1/1) ... [2023-11-30 01:41:58,677 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:41:58" (1/1) ... [2023-11-30 01:41:58,680 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-30 01:41:58,681 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-30 01:41:58,681 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-30 01:41:58,681 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-30 01:41:58,681 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:41:58" (1/1) ... [2023-11-30 01:41:58,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 01:41:58,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 01:41:58,708 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 01:41:58,731 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 01:41:58,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-30 01:41:58,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-30 01:41:58,746 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-30 01:41:58,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-30 01:41:58,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-30 01:41:58,746 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-30 01:41:58,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-30 01:41:58,747 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-30 01:41:58,747 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-30 01:41:58,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-30 01:41:58,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-30 01:41:58,749 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 01:41:58,868 INFO L241 CfgBuilder]: Building ICFG [2023-11-30 01:41:58,870 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-30 01:41:59,107 INFO L282 CfgBuilder]: Performing block encoding [2023-11-30 01:41:59,129 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-30 01:41:59,129 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-30 01:41:59,131 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:41:59 BoogieIcfgContainer [2023-11-30 01:41:59,131 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-30 01:41:59,133 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-30 01:41:59,133 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-30 01:41:59,136 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-30 01:41:59,137 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 01:41:57" (1/3) ... [2023-11-30 01:41:59,137 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c6d5b71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:41:59, skipping insertion in model container [2023-11-30 01:41:59,139 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:41:58" (2/3) ... [2023-11-30 01:41:59,139 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c6d5b71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:41:59, skipping insertion in model container [2023-11-30 01:41:59,139 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:41:59" (3/3) ... [2023-11-30 01:41:59,140 INFO L112 eAbstractionObserver]: Analyzing ICFG 06-symbeq_15-list_entry_nr.i [2023-11-30 01:41:59,155 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-30 01:41:59,155 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 9 error locations. [2023-11-30 01:41:59,155 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-30 01:41:59,213 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-30 01:41:59,247 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 117 places, 113 transitions, 230 flow [2023-11-30 01:41:59,285 INFO L124 PetriNetUnfolderBase]: 0/112 cut-off events. [2023-11-30 01:41:59,285 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 01:41:59,288 INFO L83 FinitePrefix]: Finished finitePrefix Result has 116 conditions, 112 events. 0/112 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 84 event pairs, 0 based on Foata normal form. 0/103 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-11-30 01:41:59,288 INFO L82 GeneralOperation]: Start removeDead. Operand has 117 places, 113 transitions, 230 flow [2023-11-30 01:41:59,291 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 116 places, 112 transitions, 227 flow [2023-11-30 01:41:59,299 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-30 01:41:59,306 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;@79d33d9a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-30 01:41:59,307 INFO L363 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2023-11-30 01:41:59,312 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-30 01:41:59,313 INFO L124 PetriNetUnfolderBase]: 0/10 cut-off events. [2023-11-30 01:41:59,313 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 01:41:59,313 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:41:59,314 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 01:41:59,314 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2023-11-30 01:41:59,320 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:41:59,320 INFO L85 PathProgramCache]: Analyzing trace with hash -945458727, now seen corresponding path program 1 times [2023-11-30 01:41:59,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:41:59,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559573533] [2023-11-30 01:41:59,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:41:59,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:41:59,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:41:59,486 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 01:41:59,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:41:59,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559573533] [2023-11-30 01:41:59,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559573533] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:41:59,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:41:59,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 01:41:59,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866320686] [2023-11-30 01:41:59,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:41:59,496 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 01:41:59,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:41:59,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 01:41:59,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 01:41:59,521 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 113 [2023-11-30 01:41:59,524 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 112 transitions, 227 flow. Second operand has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:41:59,524 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:41:59,524 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 113 [2023-11-30 01:41:59,525 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:41:59,664 INFO L124 PetriNetUnfolderBase]: 30/360 cut-off events. [2023-11-30 01:41:59,665 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-30 01:41:59,669 INFO L83 FinitePrefix]: Finished finitePrefix Result has 445 conditions, 360 events. 30/360 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1428 event pairs, 30 based on Foata normal form. 0/323 useless extension candidates. Maximal degree in co-relation 395. Up to 79 conditions per place. [2023-11-30 01:41:59,672 INFO L140 encePairwiseOnDemand]: 110/113 looper letters, 18 selfloop transitions, 2 changer transitions 0/111 dead transitions. [2023-11-30 01:41:59,673 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 111 transitions, 265 flow [2023-11-30 01:41:59,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 01:41:59,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 01:41:59,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 297 transitions. [2023-11-30 01:41:59,682 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8761061946902655 [2023-11-30 01:41:59,683 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 297 transitions. [2023-11-30 01:41:59,683 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 297 transitions. [2023-11-30 01:41:59,684 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:41:59,686 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 297 transitions. [2023-11-30 01:41:59,689 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 99.0) internal successors, (297), 3 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:41:59,692 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 113.0) internal successors, (452), 4 states have internal predecessors, (452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:41:59,693 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 113.0) internal successors, (452), 4 states have internal predecessors, (452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:41:59,696 INFO L307 CegarLoopForPetriNet]: 116 programPoint places, 1 predicate places. [2023-11-30 01:41:59,696 INFO L500 AbstractCegarLoop]: Abstraction has has 117 places, 111 transitions, 265 flow [2023-11-30 01:41:59,696 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:41:59,696 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:41:59,697 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 01:41:59,697 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-30 01:41:59,697 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2023-11-30 01:41:59,697 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:41:59,698 INFO L85 PathProgramCache]: Analyzing trace with hash -1310225275, now seen corresponding path program 1 times [2023-11-30 01:41:59,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:41:59,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663825068] [2023-11-30 01:41:59,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:41:59,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:41:59,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:41:59,767 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 01:41:59,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:41:59,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663825068] [2023-11-30 01:41:59,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663825068] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:41:59,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:41:59,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 01:41:59,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931951205] [2023-11-30 01:41:59,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:41:59,769 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 01:41:59,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:41:59,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 01:41:59,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 01:41:59,771 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 113 [2023-11-30 01:41:59,772 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 111 transitions, 265 flow. Second operand has 3 states, 3 states have (on average 97.33333333333333) internal successors, (292), 3 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:41:59,772 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:41:59,772 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 113 [2023-11-30 01:41:59,772 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:41:59,839 INFO L124 PetriNetUnfolderBase]: 20/305 cut-off events. [2023-11-30 01:41:59,839 INFO L125 PetriNetUnfolderBase]: For 27/37 co-relation queries the response was YES. [2023-11-30 01:41:59,842 INFO L83 FinitePrefix]: Finished finitePrefix Result has 417 conditions, 305 events. 20/305 cut-off events. For 27/37 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1099 event pairs, 20 based on Foata normal form. 0/286 useless extension candidates. Maximal degree in co-relation 363. Up to 56 conditions per place. [2023-11-30 01:41:59,843 INFO L140 encePairwiseOnDemand]: 109/113 looper letters, 12 selfloop transitions, 1 changer transitions 0/108 dead transitions. [2023-11-30 01:41:59,843 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 108 transitions, 279 flow [2023-11-30 01:41:59,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 01:41:59,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 01:41:59,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 304 transitions. [2023-11-30 01:41:59,848 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8967551622418879 [2023-11-30 01:41:59,848 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 304 transitions. [2023-11-30 01:41:59,848 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 304 transitions. [2023-11-30 01:41:59,849 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:41:59,849 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 304 transitions. [2023-11-30 01:41:59,851 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:41:59,853 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 113.0) internal successors, (452), 4 states have internal predecessors, (452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:41:59,853 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 113.0) internal successors, (452), 4 states have internal predecessors, (452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:41:59,854 INFO L307 CegarLoopForPetriNet]: 116 programPoint places, 0 predicate places. [2023-11-30 01:41:59,854 INFO L500 AbstractCegarLoop]: Abstraction has has 116 places, 108 transitions, 279 flow [2023-11-30 01:41:59,854 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 97.33333333333333) internal successors, (292), 3 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:41:59,854 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:41:59,855 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] [2023-11-30 01:41:59,855 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-30 01:41:59,855 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2023-11-30 01:41:59,856 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:41:59,857 INFO L85 PathProgramCache]: Analyzing trace with hash 475359232, now seen corresponding path program 1 times [2023-11-30 01:41:59,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:41:59,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884119009] [2023-11-30 01:41:59,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:41:59,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:41:59,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:42:00,290 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 01:42:00,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:42:00,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884119009] [2023-11-30 01:42:00,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884119009] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:42:00,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:42:00,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 01:42:00,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776788883] [2023-11-30 01:42:00,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:42:00,293 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 01:42:00,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:42:00,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 01:42:00,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 01:42:00,296 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 113 [2023-11-30 01:42:00,297 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 108 transitions, 279 flow. Second operand has 6 states, 6 states have (on average 72.5) internal successors, (435), 6 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:00,297 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:42:00,297 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 113 [2023-11-30 01:42:00,298 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:42:00,481 INFO L124 PetriNetUnfolderBase]: 212/871 cut-off events. [2023-11-30 01:42:00,483 INFO L125 PetriNetUnfolderBase]: For 226/262 co-relation queries the response was YES. [2023-11-30 01:42:00,486 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1571 conditions, 871 events. 212/871 cut-off events. For 226/262 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 4883 event pairs, 212 based on Foata normal form. 0/792 useless extension candidates. Maximal degree in co-relation 1504. Up to 475 conditions per place. [2023-11-30 01:42:00,489 INFO L140 encePairwiseOnDemand]: 107/113 looper letters, 36 selfloop transitions, 5 changer transitions 0/107 dead transitions. [2023-11-30 01:42:00,489 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 107 transitions, 359 flow [2023-11-30 01:42:00,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 01:42:00,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 01:42:00,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 468 transitions. [2023-11-30 01:42:00,496 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6902654867256637 [2023-11-30 01:42:00,496 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 468 transitions. [2023-11-30 01:42:00,496 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 468 transitions. [2023-11-30 01:42:00,497 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:42:00,497 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 468 transitions. [2023-11-30 01:42:00,498 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 78.0) internal successors, (468), 6 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:00,499 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 113.0) internal successors, (791), 7 states have internal predecessors, (791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:00,500 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 113.0) internal successors, (791), 7 states have internal predecessors, (791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:00,501 INFO L307 CegarLoopForPetriNet]: 116 programPoint places, 4 predicate places. [2023-11-30 01:42:00,501 INFO L500 AbstractCegarLoop]: Abstraction has has 120 places, 107 transitions, 359 flow [2023-11-30 01:42:00,501 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 72.5) internal successors, (435), 6 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:00,501 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:42:00,502 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] [2023-11-30 01:42:00,502 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-30 01:42:00,502 INFO L425 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2023-11-30 01:42:00,503 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:42:00,503 INFO L85 PathProgramCache]: Analyzing trace with hash -360329507, now seen corresponding path program 1 times [2023-11-30 01:42:00,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:42:00,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278096500] [2023-11-30 01:42:00,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:42:00,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:42:00,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:42:00,907 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 01:42:00,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:42:00,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278096500] [2023-11-30 01:42:00,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278096500] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:42:00,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:42:00,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 01:42:00,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374377603] [2023-11-30 01:42:00,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:42:00,909 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 01:42:00,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:42:00,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 01:42:00,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 01:42:00,911 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 113 [2023-11-30 01:42:00,912 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 107 transitions, 359 flow. Second operand has 6 states, 6 states have (on average 75.5) internal successors, (453), 6 states have internal predecessors, (453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:00,912 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:42:00,912 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 113 [2023-11-30 01:42:00,912 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:42:01,236 INFO L124 PetriNetUnfolderBase]: 310/1159 cut-off events. [2023-11-30 01:42:01,237 INFO L125 PetriNetUnfolderBase]: For 513/601 co-relation queries the response was YES. [2023-11-30 01:42:01,238 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2700 conditions, 1159 events. 310/1159 cut-off events. For 513/601 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 7051 event pairs, 187 based on Foata normal form. 0/1070 useless extension candidates. Maximal degree in co-relation 2626. Up to 599 conditions per place. [2023-11-30 01:42:01,243 INFO L140 encePairwiseOnDemand]: 102/113 looper letters, 79 selfloop transitions, 22 changer transitions 0/169 dead transitions. [2023-11-30 01:42:01,244 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 169 transitions, 839 flow [2023-11-30 01:42:01,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 01:42:01,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 01:42:01,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 540 transitions. [2023-11-30 01:42:01,245 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7964601769911505 [2023-11-30 01:42:01,245 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 540 transitions. [2023-11-30 01:42:01,246 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 540 transitions. [2023-11-30 01:42:01,246 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:42:01,246 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 540 transitions. [2023-11-30 01:42:01,248 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 90.0) internal successors, (540), 6 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:01,249 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 113.0) internal successors, (791), 7 states have internal predecessors, (791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:01,249 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 113.0) internal successors, (791), 7 states have internal predecessors, (791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:01,250 INFO L307 CegarLoopForPetriNet]: 116 programPoint places, 9 predicate places. [2023-11-30 01:42:01,250 INFO L500 AbstractCegarLoop]: Abstraction has has 125 places, 169 transitions, 839 flow [2023-11-30 01:42:01,251 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 75.5) internal successors, (453), 6 states have internal predecessors, (453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:01,251 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:42:01,251 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] [2023-11-30 01:42:01,251 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-30 01:42:01,251 INFO L425 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2023-11-30 01:42:01,252 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:42:01,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1875498098, now seen corresponding path program 1 times [2023-11-30 01:42:01,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:42:01,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377603848] [2023-11-30 01:42:01,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:42:01,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:42:01,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:42:01,540 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 01:42:01,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:42:01,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377603848] [2023-11-30 01:42:01,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377603848] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:42:01,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:42:01,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 01:42:01,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234530748] [2023-11-30 01:42:01,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:42:01,542 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 01:42:01,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:42:01,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 01:42:01,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 01:42:01,544 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 113 [2023-11-30 01:42:01,545 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 169 transitions, 839 flow. Second operand has 6 states, 6 states have (on average 75.5) internal successors, (453), 6 states have internal predecessors, (453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:01,545 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:42:01,545 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 113 [2023-11-30 01:42:01,545 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:42:01,953 INFO L124 PetriNetUnfolderBase]: 411/1397 cut-off events. [2023-11-30 01:42:01,954 INFO L125 PetriNetUnfolderBase]: For 1043/1138 co-relation queries the response was YES. [2023-11-30 01:42:01,956 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4053 conditions, 1397 events. 411/1397 cut-off events. For 1043/1138 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 8771 event pairs, 197 based on Foata normal form. 0/1307 useless extension candidates. Maximal degree in co-relation 3972. Up to 726 conditions per place. [2023-11-30 01:42:01,962 INFO L140 encePairwiseOnDemand]: 102/113 looper letters, 112 selfloop transitions, 42 changer transitions 0/223 dead transitions. [2023-11-30 01:42:01,962 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 223 transitions, 1499 flow [2023-11-30 01:42:01,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 01:42:01,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 01:42:01,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 536 transitions. [2023-11-30 01:42:01,964 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7905604719764012 [2023-11-30 01:42:01,964 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 536 transitions. [2023-11-30 01:42:01,964 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 536 transitions. [2023-11-30 01:42:01,965 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:42:01,965 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 536 transitions. [2023-11-30 01:42:01,967 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 89.33333333333333) internal successors, (536), 6 states have internal predecessors, (536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:01,968 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 113.0) internal successors, (791), 7 states have internal predecessors, (791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:01,968 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 113.0) internal successors, (791), 7 states have internal predecessors, (791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:01,970 INFO L307 CegarLoopForPetriNet]: 116 programPoint places, 14 predicate places. [2023-11-30 01:42:01,970 INFO L500 AbstractCegarLoop]: Abstraction has has 130 places, 223 transitions, 1499 flow [2023-11-30 01:42:01,971 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 75.5) internal successors, (453), 6 states have internal predecessors, (453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:01,971 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:42:01,971 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] [2023-11-30 01:42:01,971 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-30 01:42:01,971 INFO L425 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2023-11-30 01:42:01,972 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:42:01,972 INFO L85 PathProgramCache]: Analyzing trace with hash -1262646302, now seen corresponding path program 1 times [2023-11-30 01:42:01,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:42:01,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874679481] [2023-11-30 01:42:01,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:42:01,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:42:01,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:42:02,235 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 01:42:02,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:42:02,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874679481] [2023-11-30 01:42:02,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874679481] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:42:02,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:42:02,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 01:42:02,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546357490] [2023-11-30 01:42:02,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:42:02,241 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 01:42:02,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:42:02,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 01:42:02,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 01:42:02,242 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 113 [2023-11-30 01:42:02,243 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 223 transitions, 1499 flow. Second operand has 6 states, 6 states have (on average 74.66666666666667) internal successors, (448), 6 states have internal predecessors, (448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:02,243 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:42:02,243 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 113 [2023-11-30 01:42:02,243 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:42:02,604 INFO L124 PetriNetUnfolderBase]: 522/1658 cut-off events. [2023-11-30 01:42:02,604 INFO L125 PetriNetUnfolderBase]: For 1610/1739 co-relation queries the response was YES. [2023-11-30 01:42:02,651 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5873 conditions, 1658 events. 522/1658 cut-off events. For 1610/1739 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 10762 event pairs, 171 based on Foata normal form. 0/1562 useless extension candidates. Maximal degree in co-relation 5785. Up to 886 conditions per place. [2023-11-30 01:42:02,657 INFO L140 encePairwiseOnDemand]: 98/113 looper letters, 156 selfloop transitions, 57 changer transitions 16/296 dead transitions. [2023-11-30 01:42:02,658 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 296 transitions, 2567 flow [2023-11-30 01:42:02,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 01:42:02,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 01:42:02,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 529 transitions. [2023-11-30 01:42:02,660 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7802359882005899 [2023-11-30 01:42:02,660 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 529 transitions. [2023-11-30 01:42:02,660 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 529 transitions. [2023-11-30 01:42:02,660 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:42:02,660 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 529 transitions. [2023-11-30 01:42:02,662 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 88.16666666666667) internal successors, (529), 6 states have internal predecessors, (529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:02,663 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 113.0) internal successors, (791), 7 states have internal predecessors, (791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:02,663 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 113.0) internal successors, (791), 7 states have internal predecessors, (791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:02,664 INFO L307 CegarLoopForPetriNet]: 116 programPoint places, 19 predicate places. [2023-11-30 01:42:02,664 INFO L500 AbstractCegarLoop]: Abstraction has has 135 places, 296 transitions, 2567 flow [2023-11-30 01:42:02,664 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 74.66666666666667) internal successors, (448), 6 states have internal predecessors, (448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:02,664 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:42:02,665 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 01:42:02,665 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-30 01:42:02,665 INFO L425 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2023-11-30 01:42:02,665 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:42:02,665 INFO L85 PathProgramCache]: Analyzing trace with hash 1644891345, now seen corresponding path program 1 times [2023-11-30 01:42:02,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:42:02,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563437741] [2023-11-30 01:42:02,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:42:02,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:42:02,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:42:02,946 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 01:42:02,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:42:02,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563437741] [2023-11-30 01:42:02,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563437741] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:42:02,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:42:02,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 01:42:02,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638266279] [2023-11-30 01:42:02,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:42:02,951 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 01:42:02,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:42:02,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 01:42:02,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 01:42:02,953 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 113 [2023-11-30 01:42:02,954 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 296 transitions, 2567 flow. Second operand has 6 states, 6 states have (on average 74.66666666666667) internal successors, (448), 6 states have internal predecessors, (448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:02,954 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:42:02,954 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 113 [2023-11-30 01:42:02,954 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:42:03,448 INFO L124 PetriNetUnfolderBase]: 660/1996 cut-off events. [2023-11-30 01:42:03,449 INFO L125 PetriNetUnfolderBase]: For 2510/2565 co-relation queries the response was YES. [2023-11-30 01:42:03,452 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8288 conditions, 1996 events. 660/1996 cut-off events. For 2510/2565 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 13359 event pairs, 163 based on Foata normal form. 0/1891 useless extension candidates. Maximal degree in co-relation 8193. Up to 1071 conditions per place. [2023-11-30 01:42:03,462 INFO L140 encePairwiseOnDemand]: 98/113 looper letters, 201 selfloop transitions, 58 changer transitions 50/377 dead transitions. [2023-11-30 01:42:03,462 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 377 transitions, 4019 flow [2023-11-30 01:42:03,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 01:42:03,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 01:42:03,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 529 transitions. [2023-11-30 01:42:03,464 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7802359882005899 [2023-11-30 01:42:03,464 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 529 transitions. [2023-11-30 01:42:03,464 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 529 transitions. [2023-11-30 01:42:03,464 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:42:03,464 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 529 transitions. [2023-11-30 01:42:03,467 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 88.16666666666667) internal successors, (529), 6 states have internal predecessors, (529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:03,468 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 113.0) internal successors, (791), 7 states have internal predecessors, (791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:03,469 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 113.0) internal successors, (791), 7 states have internal predecessors, (791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:03,469 INFO L307 CegarLoopForPetriNet]: 116 programPoint places, 24 predicate places. [2023-11-30 01:42:03,470 INFO L500 AbstractCegarLoop]: Abstraction has has 140 places, 377 transitions, 4019 flow [2023-11-30 01:42:03,470 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 74.66666666666667) internal successors, (448), 6 states have internal predecessors, (448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:03,470 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:42:03,470 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] [2023-11-30 01:42:03,470 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-30 01:42:03,471 INFO L425 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2023-11-30 01:42:03,471 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:42:03,471 INFO L85 PathProgramCache]: Analyzing trace with hash -1328208579, now seen corresponding path program 1 times [2023-11-30 01:42:03,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:42:03,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682822861] [2023-11-30 01:42:03,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:42:03,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:42:03,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:42:04,046 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 01:42:04,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:42:04,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682822861] [2023-11-30 01:42:04,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682822861] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:42:04,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:42:04,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-30 01:42:04,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041934745] [2023-11-30 01:42:04,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:42:04,047 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-30 01:42:04,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:42:04,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-30 01:42:04,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2023-11-30 01:42:04,049 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 113 [2023-11-30 01:42:04,049 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 377 transitions, 4019 flow. Second operand has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:04,049 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:42:04,049 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 113 [2023-11-30 01:42:04,050 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:42:04,853 INFO L124 PetriNetUnfolderBase]: 932/2580 cut-off events. [2023-11-30 01:42:04,853 INFO L125 PetriNetUnfolderBase]: For 5838/5873 co-relation queries the response was YES. [2023-11-30 01:42:04,859 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12118 conditions, 2580 events. 932/2580 cut-off events. For 5838/5873 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 17464 event pairs, 75 based on Foata normal form. 14/2488 useless extension candidates. Maximal degree in co-relation 12014. Up to 1321 conditions per place. [2023-11-30 01:42:04,872 INFO L140 encePairwiseOnDemand]: 98/113 looper letters, 348 selfloop transitions, 19 changer transitions 141/564 dead transitions. [2023-11-30 01:42:04,873 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 564 transitions, 6961 flow [2023-11-30 01:42:04,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-30 01:42:04,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-30 01:42:04,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 861 transitions. [2023-11-30 01:42:04,875 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6926790024135157 [2023-11-30 01:42:04,875 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 861 transitions. [2023-11-30 01:42:04,876 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 861 transitions. [2023-11-30 01:42:04,876 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:42:04,876 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 861 transitions. [2023-11-30 01:42:04,878 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 78.27272727272727) internal successors, (861), 11 states have internal predecessors, (861), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:04,880 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:04,881 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:04,881 INFO L307 CegarLoopForPetriNet]: 116 programPoint places, 34 predicate places. [2023-11-30 01:42:04,881 INFO L500 AbstractCegarLoop]: Abstraction has has 150 places, 564 transitions, 6961 flow [2023-11-30 01:42:04,882 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:04,882 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:42:04,882 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] [2023-11-30 01:42:04,882 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-30 01:42:04,882 INFO L425 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2023-11-30 01:42:04,883 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:42:04,883 INFO L85 PathProgramCache]: Analyzing trace with hash -170946055, now seen corresponding path program 2 times [2023-11-30 01:42:04,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:42:04,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259530752] [2023-11-30 01:42:04,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:42:04,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:42:04,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:42:05,848 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 01:42:05,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:42:05,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259530752] [2023-11-30 01:42:05,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259530752] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:42:05,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:42:05,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-30 01:42:05,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337906086] [2023-11-30 01:42:05,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:42:05,850 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-30 01:42:05,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:42:05,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-30 01:42:05,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2023-11-30 01:42:05,852 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 113 [2023-11-30 01:42:05,853 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 564 transitions, 6961 flow. Second operand has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:05,853 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:42:05,853 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 113 [2023-11-30 01:42:05,853 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:42:06,772 INFO L124 PetriNetUnfolderBase]: 995/2798 cut-off events. [2023-11-30 01:42:06,772 INFO L125 PetriNetUnfolderBase]: For 8192/8305 co-relation queries the response was YES. [2023-11-30 01:42:06,778 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15042 conditions, 2798 events. 995/2798 cut-off events. For 8192/8305 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 19273 event pairs, 56 based on Foata normal form. 28/2720 useless extension candidates. Maximal degree in co-relation 14929. Up to 1388 conditions per place. [2023-11-30 01:42:06,792 INFO L140 encePairwiseOnDemand]: 98/113 looper letters, 388 selfloop transitions, 33 changer transitions 298/775 dead transitions. [2023-11-30 01:42:06,792 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 775 transitions, 11047 flow [2023-11-30 01:42:06,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-30 01:42:06,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-30 01:42:06,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 857 transitions. [2023-11-30 01:42:06,795 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6894609814963797 [2023-11-30 01:42:06,795 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 857 transitions. [2023-11-30 01:42:06,795 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 857 transitions. [2023-11-30 01:42:06,796 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:42:06,796 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 857 transitions. [2023-11-30 01:42:06,798 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 77.9090909090909) internal successors, (857), 11 states have internal predecessors, (857), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:06,800 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:06,800 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:06,801 INFO L307 CegarLoopForPetriNet]: 116 programPoint places, 44 predicate places. [2023-11-30 01:42:06,801 INFO L500 AbstractCegarLoop]: Abstraction has has 160 places, 775 transitions, 11047 flow [2023-11-30 01:42:06,801 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:06,801 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:42:06,801 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] [2023-11-30 01:42:06,802 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-30 01:42:06,802 INFO L425 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2023-11-30 01:42:06,802 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:42:06,802 INFO L85 PathProgramCache]: Analyzing trace with hash -1695660202, now seen corresponding path program 1 times [2023-11-30 01:42:06,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:42:06,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651847700] [2023-11-30 01:42:06,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:42:06,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:42:06,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:42:07,307 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 01:42:07,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:42:07,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651847700] [2023-11-30 01:42:07,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651847700] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:42:07,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:42:07,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-30 01:42:07,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066300203] [2023-11-30 01:42:07,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:42:07,309 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-30 01:42:07,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:42:07,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-30 01:42:07,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2023-11-30 01:42:07,310 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 113 [2023-11-30 01:42:07,311 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 775 transitions, 11047 flow. Second operand has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:07,311 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:42:07,311 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 113 [2023-11-30 01:42:07,311 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:42:08,827 INFO L124 PetriNetUnfolderBase]: 1734/4563 cut-off events. [2023-11-30 01:42:08,828 INFO L125 PetriNetUnfolderBase]: For 15992/16265 co-relation queries the response was YES. [2023-11-30 01:42:08,839 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28998 conditions, 4563 events. 1734/4563 cut-off events. For 15992/16265 co-relation queries the response was YES. Maximal size of possible extension queue 158. Compared 34980 event pairs, 107 based on Foata normal form. 66/4433 useless extension candidates. Maximal degree in co-relation 28876. Up to 2459 conditions per place. [2023-11-30 01:42:08,861 INFO L140 encePairwiseOnDemand]: 97/113 looper letters, 703 selfloop transitions, 35 changer transitions 453/1247 dead transitions. [2023-11-30 01:42:08,861 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 1247 transitions, 20909 flow [2023-11-30 01:42:08,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-30 01:42:08,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-30 01:42:08,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 882 transitions. [2023-11-30 01:42:08,864 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7095736122284795 [2023-11-30 01:42:08,864 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 882 transitions. [2023-11-30 01:42:08,864 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 882 transitions. [2023-11-30 01:42:08,864 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:42:08,865 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 882 transitions. [2023-11-30 01:42:08,866 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 80.18181818181819) internal successors, (882), 11 states have internal predecessors, (882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:08,868 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:08,869 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:08,869 INFO L307 CegarLoopForPetriNet]: 116 programPoint places, 54 predicate places. [2023-11-30 01:42:08,869 INFO L500 AbstractCegarLoop]: Abstraction has has 170 places, 1247 transitions, 20909 flow [2023-11-30 01:42:08,870 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:08,870 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:42:08,870 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] [2023-11-30 01:42:08,870 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-30 01:42:08,870 INFO L425 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2023-11-30 01:42:08,871 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:42:08,871 INFO L85 PathProgramCache]: Analyzing trace with hash 823193988, now seen corresponding path program 2 times [2023-11-30 01:42:08,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:42:08,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930783209] [2023-11-30 01:42:08,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:42:08,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:42:08,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:42:09,491 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 01:42:09,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:42:09,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930783209] [2023-11-30 01:42:09,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930783209] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:42:09,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:42:09,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-30 01:42:09,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591711165] [2023-11-30 01:42:09,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:42:09,493 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-30 01:42:09,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:42:09,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-30 01:42:09,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2023-11-30 01:42:09,494 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 113 [2023-11-30 01:42:09,495 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 1247 transitions, 20909 flow. Second operand has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:09,495 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:42:09,495 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 113 [2023-11-30 01:42:09,495 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:42:11,296 INFO L124 PetriNetUnfolderBase]: 1719/4561 cut-off events. [2023-11-30 01:42:11,297 INFO L125 PetriNetUnfolderBase]: For 20096/20403 co-relation queries the response was YES. [2023-11-30 01:42:11,309 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32331 conditions, 4561 events. 1719/4561 cut-off events. For 20096/20403 co-relation queries the response was YES. Maximal size of possible extension queue 157. Compared 35184 event pairs, 107 based on Foata normal form. 101/4466 useless extension candidates. Maximal degree in co-relation 32200. Up to 2461 conditions per place. [2023-11-30 01:42:11,406 INFO L140 encePairwiseOnDemand]: 96/113 looper letters, 679 selfloop transitions, 36 changer transitions 480/1251 dead transitions. [2023-11-30 01:42:11,406 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 1251 transitions, 23327 flow [2023-11-30 01:42:11,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-30 01:42:11,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-30 01:42:11,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 884 transitions. [2023-11-30 01:42:11,409 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7111826226870475 [2023-11-30 01:42:11,409 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 884 transitions. [2023-11-30 01:42:11,409 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 884 transitions. [2023-11-30 01:42:11,409 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:42:11,410 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 884 transitions. [2023-11-30 01:42:11,411 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 80.36363636363636) internal successors, (884), 11 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:11,414 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:11,414 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:11,414 INFO L307 CegarLoopForPetriNet]: 116 programPoint places, 64 predicate places. [2023-11-30 01:42:11,414 INFO L500 AbstractCegarLoop]: Abstraction has has 180 places, 1251 transitions, 23327 flow [2023-11-30 01:42:11,415 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:11,415 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:42:11,415 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] [2023-11-30 01:42:11,415 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-30 01:42:11,415 INFO L425 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2023-11-30 01:42:11,416 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:42:11,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1274381686, now seen corresponding path program 3 times [2023-11-30 01:42:11,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:42:11,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406645563] [2023-11-30 01:42:11,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:42:11,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:42:11,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:42:11,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 01:42:11,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:42:11,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406645563] [2023-11-30 01:42:11,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406645563] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:42:11,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:42:11,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-30 01:42:11,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998843100] [2023-11-30 01:42:11,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:42:11,844 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-30 01:42:11,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:42:11,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-30 01:42:11,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2023-11-30 01:42:11,845 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 113 [2023-11-30 01:42:11,846 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 180 places, 1251 transitions, 23327 flow. Second operand has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:11,846 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:42:11,846 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 113 [2023-11-30 01:42:11,846 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:42:13,228 INFO L124 PetriNetUnfolderBase]: 1098/3112 cut-off events. [2023-11-30 01:42:13,228 INFO L125 PetriNetUnfolderBase]: For 16872/17204 co-relation queries the response was YES. [2023-11-30 01:42:13,237 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23652 conditions, 3112 events. 1098/3112 cut-off events. For 16872/17204 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 22070 event pairs, 56 based on Foata normal form. 77/3083 useless extension candidates. Maximal degree in co-relation 23512. Up to 1573 conditions per place. [2023-11-30 01:42:13,252 INFO L140 encePairwiseOnDemand]: 97/113 looper letters, 401 selfloop transitions, 19 changer transitions 409/885 dead transitions. [2023-11-30 01:42:13,252 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 885 transitions, 17635 flow [2023-11-30 01:42:13,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-30 01:42:13,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-30 01:42:13,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 858 transitions. [2023-11-30 01:42:13,255 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6902654867256637 [2023-11-30 01:42:13,255 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 858 transitions. [2023-11-30 01:42:13,255 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 858 transitions. [2023-11-30 01:42:13,256 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:42:13,256 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 858 transitions. [2023-11-30 01:42:13,258 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 78.0) internal successors, (858), 11 states have internal predecessors, (858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:13,260 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:13,261 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:13,262 INFO L307 CegarLoopForPetriNet]: 116 programPoint places, 74 predicate places. [2023-11-30 01:42:13,262 INFO L500 AbstractCegarLoop]: Abstraction has has 190 places, 885 transitions, 17635 flow [2023-11-30 01:42:13,263 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:13,263 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:42:13,263 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] [2023-11-30 01:42:13,263 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-30 01:42:13,263 INFO L425 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2023-11-30 01:42:13,264 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:42:13,264 INFO L85 PathProgramCache]: Analyzing trace with hash -2131399186, now seen corresponding path program 4 times [2023-11-30 01:42:13,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:42:13,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070201574] [2023-11-30 01:42:13,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:42:13,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:42:13,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:42:13,643 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 01:42:13,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:42:13,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070201574] [2023-11-30 01:42:13,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070201574] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:42:13,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:42:13,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-30 01:42:13,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46711115] [2023-11-30 01:42:13,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:42:13,644 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-30 01:42:13,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:42:13,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-30 01:42:13,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2023-11-30 01:42:13,646 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 113 [2023-11-30 01:42:13,647 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 190 places, 885 transitions, 17635 flow. Second operand has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:13,647 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:42:13,647 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 113 [2023-11-30 01:42:13,647 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:42:15,320 INFO L124 PetriNetUnfolderBase]: 1856/4923 cut-off events. [2023-11-30 01:42:15,320 INFO L125 PetriNetUnfolderBase]: For 32258/32783 co-relation queries the response was YES. [2023-11-30 01:42:15,331 INFO L83 FinitePrefix]: Finished finitePrefix Result has 42308 conditions, 4923 events. 1856/4923 cut-off events. For 32258/32783 co-relation queries the response was YES. Maximal size of possible extension queue 162. Compared 38433 event pairs, 107 based on Foata normal form. 62/4789 useless extension candidates. Maximal degree in co-relation 42159. Up to 2802 conditions per place. [2023-11-30 01:42:15,360 INFO L140 encePairwiseOnDemand]: 97/113 looper letters, 722 selfloop transitions, 34 changer transitions 568/1380 dead transitions. [2023-11-30 01:42:15,360 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 200 places, 1380 transitions, 31035 flow [2023-11-30 01:42:15,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-30 01:42:15,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-30 01:42:15,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 896 transitions. [2023-11-30 01:42:15,364 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7208366854384554 [2023-11-30 01:42:15,364 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 896 transitions. [2023-11-30 01:42:15,364 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 896 transitions. [2023-11-30 01:42:15,365 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:42:15,365 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 896 transitions. [2023-11-30 01:42:15,367 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 81.45454545454545) internal successors, (896), 11 states have internal predecessors, (896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:15,369 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:15,369 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:15,370 INFO L307 CegarLoopForPetriNet]: 116 programPoint places, 84 predicate places. [2023-11-30 01:42:15,370 INFO L500 AbstractCegarLoop]: Abstraction has has 200 places, 1380 transitions, 31035 flow [2023-11-30 01:42:15,370 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:15,370 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:42:15,371 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] [2023-11-30 01:42:15,371 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-30 01:42:15,371 INFO L425 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2023-11-30 01:42:15,371 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:42:15,371 INFO L85 PathProgramCache]: Analyzing trace with hash -1843992338, now seen corresponding path program 5 times [2023-11-30 01:42:15,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:42:15,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774059873] [2023-11-30 01:42:15,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:42:15,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:42:15,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:42:15,717 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 01:42:15,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:42:15,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774059873] [2023-11-30 01:42:15,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774059873] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:42:15,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:42:15,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-30 01:42:15,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718375877] [2023-11-30 01:42:15,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:42:15,719 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-30 01:42:15,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:42:15,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-30 01:42:15,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2023-11-30 01:42:15,720 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 113 [2023-11-30 01:42:15,720 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 1380 transitions, 31035 flow. Second operand has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:15,721 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:42:15,721 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 113 [2023-11-30 01:42:15,721 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:42:17,877 INFO L124 PetriNetUnfolderBase]: 2497/6473 cut-off events. [2023-11-30 01:42:17,878 INFO L125 PetriNetUnfolderBase]: For 51789/52543 co-relation queries the response was YES. [2023-11-30 01:42:17,889 INFO L83 FinitePrefix]: Finished finitePrefix Result has 61245 conditions, 6473 events. 2497/6473 cut-off events. For 51789/52543 co-relation queries the response was YES. Maximal size of possible extension queue 229. Compared 53812 event pairs, 158 based on Foata normal form. 109/6298 useless extension candidates. Maximal degree in co-relation 61087. Up to 3923 conditions per place. [2023-11-30 01:42:17,931 INFO L140 encePairwiseOnDemand]: 96/113 looper letters, 1003 selfloop transitions, 36 changer transitions 688/1783 dead transitions. [2023-11-30 01:42:17,931 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 1783 transitions, 44143 flow [2023-11-30 01:42:17,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-30 01:42:17,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-30 01:42:17,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 916 transitions. [2023-11-30 01:42:17,934 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7369267900241352 [2023-11-30 01:42:17,934 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 916 transitions. [2023-11-30 01:42:17,934 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 916 transitions. [2023-11-30 01:42:17,935 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:42:17,935 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 916 transitions. [2023-11-30 01:42:17,937 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 83.27272727272727) internal successors, (916), 11 states have internal predecessors, (916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:17,939 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:17,939 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:17,940 INFO L307 CegarLoopForPetriNet]: 116 programPoint places, 94 predicate places. [2023-11-30 01:42:17,940 INFO L500 AbstractCegarLoop]: Abstraction has has 210 places, 1783 transitions, 44143 flow [2023-11-30 01:42:17,940 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:17,940 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:42:17,940 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] [2023-11-30 01:42:17,941 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-30 01:42:17,941 INFO L425 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2023-11-30 01:42:17,941 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:42:17,941 INFO L85 PathProgramCache]: Analyzing trace with hash -472700052, now seen corresponding path program 6 times [2023-11-30 01:42:17,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:42:17,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590865611] [2023-11-30 01:42:17,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:42:17,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:42:17,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:42:18,339 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 01:42:18,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:42:18,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590865611] [2023-11-30 01:42:18,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590865611] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:42:18,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:42:18,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-30 01:42:18,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168426293] [2023-11-30 01:42:18,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:42:18,341 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-30 01:42:18,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:42:18,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-30 01:42:18,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2023-11-30 01:42:18,342 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 113 [2023-11-30 01:42:18,343 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 1783 transitions, 44143 flow. Second operand has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:18,343 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:42:18,343 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 113 [2023-11-30 01:42:18,343 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:42:20,586 INFO L124 PetriNetUnfolderBase]: 1901/5079 cut-off events. [2023-11-30 01:42:20,586 INFO L125 PetriNetUnfolderBase]: For 47724/48609 co-relation queries the response was YES. [2023-11-30 01:42:20,595 INFO L83 FinitePrefix]: Finished finitePrefix Result has 51363 conditions, 5079 events. 1901/5079 cut-off events. For 47724/48609 co-relation queries the response was YES. Maximal size of possible extension queue 164. Compared 40060 event pairs, 107 based on Foata normal form. 90/4973 useless extension candidates. Maximal degree in co-relation 51196. Up to 2915 conditions per place. [2023-11-30 01:42:20,625 INFO L140 encePairwiseOnDemand]: 97/113 looper letters, 733 selfloop transitions, 20 changer transitions 633/1442 dead transitions. [2023-11-30 01:42:20,625 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 220 places, 1442 transitions, 38005 flow [2023-11-30 01:42:20,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-30 01:42:20,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-30 01:42:20,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 892 transitions. [2023-11-30 01:42:20,628 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7176186645213194 [2023-11-30 01:42:20,628 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 892 transitions. [2023-11-30 01:42:20,628 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 892 transitions. [2023-11-30 01:42:20,628 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:42:20,628 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 892 transitions. [2023-11-30 01:42:20,630 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 81.0909090909091) internal successors, (892), 11 states have internal predecessors, (892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:20,632 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:20,633 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:20,634 INFO L307 CegarLoopForPetriNet]: 116 programPoint places, 104 predicate places. [2023-11-30 01:42:20,634 INFO L500 AbstractCegarLoop]: Abstraction has has 220 places, 1442 transitions, 38005 flow [2023-11-30 01:42:20,635 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:20,635 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:42:20,635 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] [2023-11-30 01:42:20,635 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-30 01:42:20,635 INFO L425 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2023-11-30 01:42:20,635 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:42:20,635 INFO L85 PathProgramCache]: Analyzing trace with hash -1129353850, now seen corresponding path program 7 times [2023-11-30 01:42:20,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:42:20,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324492925] [2023-11-30 01:42:20,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:42:20,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:42:20,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:42:20,992 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 01:42:20,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:42:20,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324492925] [2023-11-30 01:42:20,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324492925] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:42:20,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:42:20,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-30 01:42:20,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152440374] [2023-11-30 01:42:20,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:42:20,995 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-30 01:42:20,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:42:20,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-30 01:42:20,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2023-11-30 01:42:20,997 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 113 [2023-11-30 01:42:20,998 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 1442 transitions, 38005 flow. Second operand has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:20,998 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:42:20,998 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 113 [2023-11-30 01:42:20,998 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:42:22,950 INFO L124 PetriNetUnfolderBase]: 1901/5102 cut-off events. [2023-11-30 01:42:22,951 INFO L125 PetriNetUnfolderBase]: For 55938/56826 co-relation queries the response was YES. [2023-11-30 01:42:22,961 INFO L83 FinitePrefix]: Finished finitePrefix Result has 55380 conditions, 5102 events. 1901/5102 cut-off events. For 55938/56826 co-relation queries the response was YES. Maximal size of possible extension queue 164. Compared 40362 event pairs, 107 based on Foata normal form. 81/4987 useless extension candidates. Maximal degree in co-relation 55204. Up to 2928 conditions per place. [2023-11-30 01:42:22,996 INFO L140 encePairwiseOnDemand]: 96/113 looper letters, 706 selfloop transitions, 34 changer transitions 659/1455 dead transitions. [2023-11-30 01:42:22,996 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 230 places, 1455 transitions, 41159 flow [2023-11-30 01:42:22,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-30 01:42:22,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-30 01:42:22,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 894 transitions. [2023-11-30 01:42:22,998 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7192276749798874 [2023-11-30 01:42:22,998 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 894 transitions. [2023-11-30 01:42:22,998 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 894 transitions. [2023-11-30 01:42:22,999 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:42:22,999 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 894 transitions. [2023-11-30 01:42:23,000 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 81.27272727272727) internal successors, (894), 11 states have internal predecessors, (894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:23,002 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:23,002 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:23,002 INFO L307 CegarLoopForPetriNet]: 116 programPoint places, 114 predicate places. [2023-11-30 01:42:23,003 INFO L500 AbstractCegarLoop]: Abstraction has has 230 places, 1455 transitions, 41159 flow [2023-11-30 01:42:23,003 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:23,003 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:42:23,003 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] [2023-11-30 01:42:23,003 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-30 01:42:23,003 INFO L425 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2023-11-30 01:42:23,004 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:42:23,004 INFO L85 PathProgramCache]: Analyzing trace with hash -152731122, now seen corresponding path program 8 times [2023-11-30 01:42:23,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:42:23,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273234657] [2023-11-30 01:42:23,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:42:23,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:42:23,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:42:23,760 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 01:42:23,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:42:23,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273234657] [2023-11-30 01:42:23,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273234657] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:42:23,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:42:23,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-30 01:42:23,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457698816] [2023-11-30 01:42:23,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:42:23,762 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-30 01:42:23,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:42:23,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-30 01:42:23,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2023-11-30 01:42:23,763 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 113 [2023-11-30 01:42:23,764 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 230 places, 1455 transitions, 41159 flow. Second operand has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:23,764 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:42:23,764 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 113 [2023-11-30 01:42:23,764 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:42:25,669 INFO L124 PetriNetUnfolderBase]: 1931/5212 cut-off events. [2023-11-30 01:42:25,669 INFO L125 PetriNetUnfolderBase]: For 66613/67518 co-relation queries the response was YES. [2023-11-30 01:42:25,678 INFO L83 FinitePrefix]: Finished finitePrefix Result has 60515 conditions, 5212 events. 1931/5212 cut-off events. For 66613/67518 co-relation queries the response was YES. Maximal size of possible extension queue 166. Compared 41535 event pairs, 107 based on Foata normal form. 98/5114 useless extension candidates. Maximal degree in co-relation 60330. Up to 2999 conditions per place. [2023-11-30 01:42:25,712 INFO L140 encePairwiseOnDemand]: 96/113 looper letters, 717 selfloop transitions, 21 changer transitions 693/1487 dead transitions. [2023-11-30 01:42:25,712 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 240 places, 1487 transitions, 44949 flow [2023-11-30 01:42:25,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-30 01:42:25,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-30 01:42:25,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 894 transitions. [2023-11-30 01:42:25,715 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7192276749798874 [2023-11-30 01:42:25,715 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 894 transitions. [2023-11-30 01:42:25,715 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 894 transitions. [2023-11-30 01:42:25,715 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:42:25,715 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 894 transitions. [2023-11-30 01:42:25,717 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 81.27272727272727) internal successors, (894), 11 states have internal predecessors, (894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:25,718 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:25,719 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:25,719 INFO L307 CegarLoopForPetriNet]: 116 programPoint places, 124 predicate places. [2023-11-30 01:42:25,719 INFO L500 AbstractCegarLoop]: Abstraction has has 240 places, 1487 transitions, 44949 flow [2023-11-30 01:42:25,719 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:25,720 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:42:25,720 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] [2023-11-30 01:42:25,720 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-30 01:42:25,720 INFO L425 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2023-11-30 01:42:25,720 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:42:25,720 INFO L85 PathProgramCache]: Analyzing trace with hash 21310470, now seen corresponding path program 9 times [2023-11-30 01:42:25,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:42:25,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574351675] [2023-11-30 01:42:25,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:42:25,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:42:25,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:42:26,330 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 01:42:26,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:42:26,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574351675] [2023-11-30 01:42:26,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574351675] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:42:26,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:42:26,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-30 01:42:26,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748472073] [2023-11-30 01:42:26,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:42:26,331 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-30 01:42:26,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:42:26,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-30 01:42:26,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2023-11-30 01:42:26,332 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 113 [2023-11-30 01:42:26,333 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 240 places, 1487 transitions, 44949 flow. Second operand has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:26,333 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:42:26,333 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 113 [2023-11-30 01:42:26,333 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:42:28,226 INFO L124 PetriNetUnfolderBase]: 1931/5234 cut-off events. [2023-11-30 01:42:28,226 INFO L125 PetriNetUnfolderBase]: For 76411/77379 co-relation queries the response was YES. [2023-11-30 01:42:28,236 INFO L83 FinitePrefix]: Finished finitePrefix Result has 64655 conditions, 5234 events. 1931/5234 cut-off events. For 76411/77379 co-relation queries the response was YES. Maximal size of possible extension queue 166. Compared 41857 event pairs, 107 based on Foata normal form. 90/5128 useless extension candidates. Maximal degree in co-relation 64461. Up to 3012 conditions per place. [2023-11-30 01:42:28,271 INFO L140 encePairwiseOnDemand]: 96/113 looper letters, 693 selfloop transitions, 32 changer transitions 719/1500 dead transitions. [2023-11-30 01:42:28,271 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 250 places, 1500 transitions, 48245 flow [2023-11-30 01:42:28,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-30 01:42:28,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-30 01:42:28,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 879 transitions. [2023-11-30 01:42:28,273 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7071600965406275 [2023-11-30 01:42:28,273 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 879 transitions. [2023-11-30 01:42:28,273 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 879 transitions. [2023-11-30 01:42:28,274 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:42:28,274 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 879 transitions. [2023-11-30 01:42:28,275 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 79.9090909090909) internal successors, (879), 11 states have internal predecessors, (879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:28,277 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:28,277 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:28,278 INFO L307 CegarLoopForPetriNet]: 116 programPoint places, 134 predicate places. [2023-11-30 01:42:28,278 INFO L500 AbstractCegarLoop]: Abstraction has has 250 places, 1500 transitions, 48245 flow [2023-11-30 01:42:28,278 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:28,278 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:42:28,278 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] [2023-11-30 01:42:28,278 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-30 01:42:28,278 INFO L425 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2023-11-30 01:42:28,279 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:42:28,279 INFO L85 PathProgramCache]: Analyzing trace with hash -599652240, now seen corresponding path program 10 times [2023-11-30 01:42:28,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:42:28,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240606576] [2023-11-30 01:42:28,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:42:28,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:42:28,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:42:28,805 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 01:42:28,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:42:28,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240606576] [2023-11-30 01:42:28,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240606576] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:42:28,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:42:28,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-30 01:42:28,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826080471] [2023-11-30 01:42:28,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:42:28,807 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-30 01:42:28,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:42:28,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-30 01:42:28,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2023-11-30 01:42:28,809 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 113 [2023-11-30 01:42:28,815 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 250 places, 1500 transitions, 48245 flow. Second operand has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:28,815 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:42:28,816 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 113 [2023-11-30 01:42:28,816 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:42:30,347 INFO L124 PetriNetUnfolderBase]: 1295/3764 cut-off events. [2023-11-30 01:42:30,348 INFO L125 PetriNetUnfolderBase]: For 62373/63368 co-relation queries the response was YES. [2023-11-30 01:42:30,354 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48570 conditions, 3764 events. 1295/3764 cut-off events. For 62373/63368 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 28365 event pairs, 56 based on Foata normal form. 110/3768 useless extension candidates. Maximal degree in co-relation 48367. Up to 1942 conditions per place. [2023-11-30 01:42:30,374 INFO L140 encePairwiseOnDemand]: 96/113 looper letters, 405 selfloop transitions, 14 changer transitions 650/1125 dead transitions. [2023-11-30 01:42:30,374 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 260 places, 1125 transitions, 37567 flow [2023-11-30 01:42:30,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-30 01:42:30,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-30 01:42:30,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 873 transitions. [2023-11-30 01:42:30,376 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7023330651649236 [2023-11-30 01:42:30,376 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 873 transitions. [2023-11-30 01:42:30,376 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 873 transitions. [2023-11-30 01:42:30,376 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:42:30,376 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 873 transitions. [2023-11-30 01:42:30,378 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 79.36363636363636) internal successors, (873), 11 states have internal predecessors, (873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:30,379 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:30,379 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:30,380 INFO L307 CegarLoopForPetriNet]: 116 programPoint places, 144 predicate places. [2023-11-30 01:42:30,380 INFO L500 AbstractCegarLoop]: Abstraction has has 260 places, 1125 transitions, 37567 flow [2023-11-30 01:42:30,380 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:30,380 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:42:30,380 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] [2023-11-30 01:42:30,380 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-30 01:42:30,381 INFO L425 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2023-11-30 01:42:30,381 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:42:30,381 INFO L85 PathProgramCache]: Analyzing trace with hash 1050427950, now seen corresponding path program 11 times [2023-11-30 01:42:30,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:42:30,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391455522] [2023-11-30 01:42:30,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:42:30,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:42:30,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:42:30,946 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 01:42:30,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:42:30,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391455522] [2023-11-30 01:42:30,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391455522] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:42:30,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:42:30,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-30 01:42:30,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177969015] [2023-11-30 01:42:30,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:42:30,947 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-30 01:42:30,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:42:30,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-30 01:42:30,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-30 01:42:30,948 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 113 [2023-11-30 01:42:30,949 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 260 places, 1125 transitions, 37567 flow. Second operand has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:30,949 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:42:30,949 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 113 [2023-11-30 01:42:30,949 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:42:33,142 INFO L124 PetriNetUnfolderBase]: 2135/5753 cut-off events. [2023-11-30 01:42:33,142 INFO L125 PetriNetUnfolderBase]: For 106839/108204 co-relation queries the response was YES. [2023-11-30 01:42:33,155 INFO L83 FinitePrefix]: Finished finitePrefix Result has 80215 conditions, 5753 events. 2135/5753 cut-off events. For 106839/108204 co-relation queries the response was YES. Maximal size of possible extension queue 172. Compared 46613 event pairs, 107 based on Foata normal form. 55/5610 useless extension candidates. Maximal degree in co-relation 80003. Up to 3257 conditions per place. [2023-11-30 01:42:33,191 INFO L140 encePairwiseOnDemand]: 97/113 looper letters, 754 selfloop transitions, 33 changer transitions 833/1676 dead transitions. [2023-11-30 01:42:33,191 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 270 places, 1676 transitions, 60345 flow [2023-11-30 01:42:33,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-30 01:42:33,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-30 01:42:33,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 898 transitions. [2023-11-30 01:42:33,194 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7224456958970233 [2023-11-30 01:42:33,195 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 898 transitions. [2023-11-30 01:42:33,195 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 898 transitions. [2023-11-30 01:42:33,195 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:42:33,195 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 898 transitions. [2023-11-30 01:42:33,197 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 81.63636363636364) internal successors, (898), 11 states have internal predecessors, (898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:33,198 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:33,198 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:33,199 INFO L307 CegarLoopForPetriNet]: 116 programPoint places, 154 predicate places. [2023-11-30 01:42:33,199 INFO L500 AbstractCegarLoop]: Abstraction has has 270 places, 1676 transitions, 60345 flow [2023-11-30 01:42:33,199 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:33,199 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:42:33,199 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] [2023-11-30 01:42:33,199 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-30 01:42:33,199 INFO L425 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2023-11-30 01:42:33,200 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:42:33,200 INFO L85 PathProgramCache]: Analyzing trace with hash 361212070, now seen corresponding path program 12 times [2023-11-30 01:42:33,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:42:33,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123894806] [2023-11-30 01:42:33,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:42:33,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:42:33,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:42:33,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 01:42:33,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:42:33,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123894806] [2023-11-30 01:42:33,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123894806] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:42:33,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:42:33,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-30 01:42:33,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655594156] [2023-11-30 01:42:33,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:42:33,573 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-30 01:42:33,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:42:33,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-30 01:42:33,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-30 01:42:33,574 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 113 [2023-11-30 01:42:33,575 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 270 places, 1676 transitions, 60345 flow. Second operand has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:33,575 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:42:33,575 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 113 [2023-11-30 01:42:33,575 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:42:37,142 INFO L124 PetriNetUnfolderBase]: 2791/7336 cut-off events. [2023-11-30 01:42:37,142 INFO L125 PetriNetUnfolderBase]: For 155183/156713 co-relation queries the response was YES. [2023-11-30 01:42:37,158 INFO L83 FinitePrefix]: Finished finitePrefix Result has 108360 conditions, 7336 events. 2791/7336 cut-off events. For 155183/156713 co-relation queries the response was YES. Maximal size of possible extension queue 241. Compared 62529 event pairs, 158 based on Foata normal form. 73/7123 useless extension candidates. Maximal degree in co-relation 108139. Up to 4393 conditions per place. [2023-11-30 01:42:37,211 INFO L140 encePairwiseOnDemand]: 96/113 looper letters, 1045 selfloop transitions, 35 changer transitions 952/2088 dead transitions. [2023-11-30 01:42:37,212 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 2088 transitions, 80083 flow [2023-11-30 01:42:37,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-30 01:42:37,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-30 01:42:37,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 916 transitions. [2023-11-30 01:42:37,213 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7369267900241352 [2023-11-30 01:42:37,213 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 916 transitions. [2023-11-30 01:42:37,213 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 916 transitions. [2023-11-30 01:42:37,214 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:42:37,214 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 916 transitions. [2023-11-30 01:42:37,215 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 83.27272727272727) internal successors, (916), 11 states have internal predecessors, (916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:37,216 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:37,217 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:37,217 INFO L307 CegarLoopForPetriNet]: 116 programPoint places, 164 predicate places. [2023-11-30 01:42:37,217 INFO L500 AbstractCegarLoop]: Abstraction has has 280 places, 2088 transitions, 80083 flow [2023-11-30 01:42:37,217 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:37,217 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:42:37,218 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] [2023-11-30 01:42:37,218 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-30 01:42:37,218 INFO L425 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2023-11-30 01:42:37,218 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:42:37,218 INFO L85 PathProgramCache]: Analyzing trace with hash 1028553826, now seen corresponding path program 13 times [2023-11-30 01:42:37,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:42:37,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782881044] [2023-11-30 01:42:37,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:42:37,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:42:37,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:42:37,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 01:42:37,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:42:37,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782881044] [2023-11-30 01:42:37,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782881044] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:42:37,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:42:37,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-30 01:42:37,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560475734] [2023-11-30 01:42:37,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:42:37,877 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-30 01:42:37,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:42:37,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-30 01:42:37,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-30 01:42:37,878 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 113 [2023-11-30 01:42:37,880 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 2088 transitions, 80083 flow. Second operand has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:37,880 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:42:37,880 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 113 [2023-11-30 01:42:37,880 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:42:40,852 INFO L124 PetriNetUnfolderBase]: 2180/5922 cut-off events. [2023-11-30 01:42:40,853 INFO L125 PetriNetUnfolderBase]: For 138208/139820 co-relation queries the response was YES. [2023-11-30 01:42:40,865 INFO L83 FinitePrefix]: Finished finitePrefix Result has 91575 conditions, 5922 events. 2180/5922 cut-off events. For 138208/139820 co-relation queries the response was YES. Maximal size of possible extension queue 175. Compared 48496 event pairs, 107 based on Foata normal form. 92/5816 useless extension candidates. Maximal degree in co-relation 91345. Up to 3370 conditions per place. [2023-11-30 01:42:40,907 INFO L140 encePairwiseOnDemand]: 96/113 looper letters, 765 selfloop transitions, 19 changer transitions 898/1738 dead transitions. [2023-11-30 01:42:40,907 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 290 places, 1738 transitions, 69367 flow [2023-11-30 01:42:40,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-30 01:42:40,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-30 01:42:40,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 897 transitions. [2023-11-30 01:42:40,908 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7216411906677394 [2023-11-30 01:42:40,908 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 897 transitions. [2023-11-30 01:42:40,908 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 897 transitions. [2023-11-30 01:42:40,909 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:42:40,909 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 897 transitions. [2023-11-30 01:42:40,910 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 81.54545454545455) internal successors, (897), 11 states have internal predecessors, (897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:40,911 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:40,912 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:40,912 INFO L307 CegarLoopForPetriNet]: 116 programPoint places, 174 predicate places. [2023-11-30 01:42:40,912 INFO L500 AbstractCegarLoop]: Abstraction has has 290 places, 1738 transitions, 69367 flow [2023-11-30 01:42:40,912 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:40,912 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:42:40,912 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 01:42:40,913 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-30 01:42:40,913 INFO L425 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2023-11-30 01:42:40,913 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:42:40,913 INFO L85 PathProgramCache]: Analyzing trace with hash 2104966536, now seen corresponding path program 14 times [2023-11-30 01:42:40,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:42:40,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238660400] [2023-11-30 01:42:40,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:42:40,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:42:40,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:42:41,234 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 01:42:41,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:42:41,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238660400] [2023-11-30 01:42:41,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238660400] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:42:41,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:42:41,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-30 01:42:41,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073132705] [2023-11-30 01:42:41,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:42:41,235 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-30 01:42:41,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:42:41,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-30 01:42:41,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-30 01:42:41,236 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 113 [2023-11-30 01:42:41,237 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 290 places, 1738 transitions, 69367 flow. Second operand has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:41,237 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:42:41,237 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 113 [2023-11-30 01:42:41,237 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:42:45,295 INFO L124 PetriNetUnfolderBase]: 3478/9032 cut-off events. [2023-11-30 01:42:45,295 INFO L125 PetriNetUnfolderBase]: For 240614/242790 co-relation queries the response was YES. [2023-11-30 01:42:45,315 INFO L83 FinitePrefix]: Finished finitePrefix Result has 147699 conditions, 9032 events. 3478/9032 cut-off events. For 240614/242790 co-relation queries the response was YES. Maximal size of possible extension queue 311. Compared 80451 event pairs, 198 based on Foata normal form. 116/8772 useless extension candidates. Maximal degree in co-relation 147460. Up to 5601 conditions per place. [2023-11-30 01:42:45,385 INFO L140 encePairwiseOnDemand]: 96/113 looper letters, 1339 selfloop transitions, 36 changer transitions 1111/2542 dead transitions. [2023-11-30 01:42:45,386 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 2542 transitions, 108103 flow [2023-11-30 01:42:45,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-30 01:42:45,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-30 01:42:45,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 935 transitions. [2023-11-30 01:42:45,387 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7522123893805309 [2023-11-30 01:42:45,387 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 935 transitions. [2023-11-30 01:42:45,387 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 935 transitions. [2023-11-30 01:42:45,388 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:42:45,388 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 935 transitions. [2023-11-30 01:42:45,389 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 85.0) internal successors, (935), 11 states have internal predecessors, (935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:45,390 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:45,390 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:45,391 INFO L307 CegarLoopForPetriNet]: 116 programPoint places, 184 predicate places. [2023-11-30 01:42:45,391 INFO L500 AbstractCegarLoop]: Abstraction has has 300 places, 2542 transitions, 108103 flow [2023-11-30 01:42:45,391 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:45,391 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:42:45,391 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] [2023-11-30 01:42:45,391 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-30 01:42:45,392 INFO L425 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2023-11-30 01:42:45,392 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:42:45,392 INFO L85 PathProgramCache]: Analyzing trace with hash -1091829690, now seen corresponding path program 15 times [2023-11-30 01:42:45,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:42:45,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042588302] [2023-11-30 01:42:45,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:42:45,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:42:45,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:42:45,687 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 01:42:45,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:42:45,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042588302] [2023-11-30 01:42:45,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042588302] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:42:45,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:42:45,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-30 01:42:45,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209011904] [2023-11-30 01:42:45,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:42:45,689 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-30 01:42:45,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:42:45,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-30 01:42:45,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-30 01:42:45,690 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 113 [2023-11-30 01:42:45,690 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 300 places, 2542 transitions, 108103 flow. Second operand has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:45,690 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:42:45,690 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 113 [2023-11-30 01:42:45,690 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:42:51,362 INFO L124 PetriNetUnfolderBase]: 2882/7640 cut-off events. [2023-11-30 01:42:51,362 INFO L125 PetriNetUnfolderBase]: For 222347/224638 co-relation queries the response was YES. [2023-11-30 01:42:51,380 INFO L83 FinitePrefix]: Finished finitePrefix Result has 130477 conditions, 7640 events. 2882/7640 cut-off events. For 222347/224638 co-relation queries the response was YES. Maximal size of possible extension queue 245. Compared 66008 event pairs, 147 based on Foata normal form. 114/7466 useless extension candidates. Maximal degree in co-relation 130229. Up to 4593 conditions per place. [2023-11-30 01:42:51,435 INFO L140 encePairwiseOnDemand]: 96/113 looper letters, 1058 selfloop transitions, 33 changer transitions 1054/2201 dead transitions. [2023-11-30 01:42:51,435 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 310 places, 2201 transitions, 97345 flow [2023-11-30 01:42:51,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-30 01:42:51,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-30 01:42:51,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 914 transitions. [2023-11-30 01:42:51,437 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7353177795655672 [2023-11-30 01:42:51,437 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 914 transitions. [2023-11-30 01:42:51,437 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 914 transitions. [2023-11-30 01:42:51,438 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:42:51,438 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 914 transitions. [2023-11-30 01:42:51,439 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 83.0909090909091) internal successors, (914), 11 states have internal predecessors, (914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:51,441 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:51,441 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:51,442 INFO L307 CegarLoopForPetriNet]: 116 programPoint places, 194 predicate places. [2023-11-30 01:42:51,442 INFO L500 AbstractCegarLoop]: Abstraction has has 310 places, 2201 transitions, 97345 flow [2023-11-30 01:42:51,442 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:51,442 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:42:51,442 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] [2023-11-30 01:42:51,442 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-30 01:42:51,443 INFO L425 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2023-11-30 01:42:51,443 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:42:51,443 INFO L85 PathProgramCache]: Analyzing trace with hash 2052473286, now seen corresponding path program 16 times [2023-11-30 01:42:51,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:42:51,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958176581] [2023-11-30 01:42:51,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:42:51,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:42:51,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:42:52,100 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 01:42:52,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:42:52,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958176581] [2023-11-30 01:42:52,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958176581] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:42:52,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:42:52,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-30 01:42:52,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669174134] [2023-11-30 01:42:52,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:42:52,101 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-30 01:42:52,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:42:52,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-30 01:42:52,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-30 01:42:52,104 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 113 [2023-11-30 01:42:52,105 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 310 places, 2201 transitions, 97345 flow. Second operand has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:52,105 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:42:52,105 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 113 [2023-11-30 01:42:52,105 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:42:56,873 INFO L124 PetriNetUnfolderBase]: 2882/7654 cut-off events. [2023-11-30 01:42:56,873 INFO L125 PetriNetUnfolderBase]: For 245690/248218 co-relation queries the response was YES. [2023-11-30 01:42:56,890 INFO L83 FinitePrefix]: Finished finitePrefix Result has 136590 conditions, 7654 events. 2882/7654 cut-off events. For 245690/248218 co-relation queries the response was YES. Maximal size of possible extension queue 245. Compared 66285 event pairs, 147 based on Foata normal form. 109/7475 useless extension candidates. Maximal degree in co-relation 136333. Up to 4606 conditions per place. [2023-11-30 01:42:56,949 INFO L140 encePairwiseOnDemand]: 96/113 looper letters, 1046 selfloop transitions, 32 changer transitions 1080/2214 dead transitions. [2023-11-30 01:42:56,950 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 320 places, 2214 transitions, 102251 flow [2023-11-30 01:42:56,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-30 01:42:56,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-30 01:42:56,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 929 transitions. [2023-11-30 01:42:56,951 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7473853580048271 [2023-11-30 01:42:56,951 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 929 transitions. [2023-11-30 01:42:56,951 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 929 transitions. [2023-11-30 01:42:56,952 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:42:56,952 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 929 transitions. [2023-11-30 01:42:56,953 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 84.45454545454545) internal successors, (929), 11 states have internal predecessors, (929), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:56,954 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:56,956 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:56,956 INFO L307 CegarLoopForPetriNet]: 116 programPoint places, 204 predicate places. [2023-11-30 01:42:56,956 INFO L500 AbstractCegarLoop]: Abstraction has has 320 places, 2214 transitions, 102251 flow [2023-11-30 01:42:56,957 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:56,957 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:42:56,957 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] [2023-11-30 01:42:56,957 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-30 01:42:56,957 INFO L425 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2023-11-30 01:42:56,957 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:42:56,957 INFO L85 PathProgramCache]: Analyzing trace with hash -1575152254, now seen corresponding path program 17 times [2023-11-30 01:42:56,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:42:56,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853245819] [2023-11-30 01:42:56,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:42:56,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:42:56,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:42:57,453 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 01:42:57,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:42:57,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853245819] [2023-11-30 01:42:57,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853245819] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:42:57,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:42:57,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-30 01:42:57,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191121586] [2023-11-30 01:42:57,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:42:57,454 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-30 01:42:57,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:42:57,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-30 01:42:57,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-30 01:42:57,456 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 113 [2023-11-30 01:42:57,456 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 320 places, 2214 transitions, 102251 flow. Second operand has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:42:57,456 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:42:57,456 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 113 [2023-11-30 01:42:57,456 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:43:01,073 INFO L124 PetriNetUnfolderBase]: 2271/6244 cut-off events. [2023-11-30 01:43:01,073 INFO L125 PetriNetUnfolderBase]: For 218049/220785 co-relation queries the response was YES. [2023-11-30 01:43:01,085 INFO L83 FinitePrefix]: Finished finitePrefix Result has 115861 conditions, 6244 events. 2271/6244 cut-off events. For 218049/220785 co-relation queries the response was YES. Maximal size of possible extension queue 179. Compared 52105 event pairs, 96 based on Foata normal form. 110/6154 useless extension candidates. Maximal degree in co-relation 115595. Up to 3583 conditions per place. [2023-11-30 01:43:01,123 INFO L140 encePairwiseOnDemand]: 96/113 looper letters, 766 selfloop transitions, 15 changer transitions 1027/1864 dead transitions. [2023-11-30 01:43:01,123 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 330 places, 1864 transitions, 88987 flow [2023-11-30 01:43:01,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-30 01:43:01,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-30 01:43:01,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 925 transitions. [2023-11-30 01:43:01,125 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7441673370876911 [2023-11-30 01:43:01,125 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 925 transitions. [2023-11-30 01:43:01,125 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 925 transitions. [2023-11-30 01:43:01,125 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:43:01,125 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 925 transitions. [2023-11-30 01:43:01,127 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 84.0909090909091) internal successors, (925), 11 states have internal predecessors, (925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:43:01,128 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:43:01,128 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:43:01,128 INFO L307 CegarLoopForPetriNet]: 116 programPoint places, 214 predicate places. [2023-11-30 01:43:01,129 INFO L500 AbstractCegarLoop]: Abstraction has has 330 places, 1864 transitions, 88987 flow [2023-11-30 01:43:01,129 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:43:01,129 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:43:01,129 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] [2023-11-30 01:43:01,129 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-30 01:43:01,129 INFO L425 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2023-11-30 01:43:01,129 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:43:01,129 INFO L85 PathProgramCache]: Analyzing trace with hash -823715886, now seen corresponding path program 18 times [2023-11-30 01:43:01,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:43:01,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977838482] [2023-11-30 01:43:01,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:43:01,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:43:01,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:43:01,412 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 01:43:01,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:43:01,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977838482] [2023-11-30 01:43:01,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977838482] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:43:01,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:43:01,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-30 01:43:01,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103121624] [2023-11-30 01:43:01,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:43:01,413 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-30 01:43:01,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:43:01,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-30 01:43:01,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-30 01:43:01,414 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 113 [2023-11-30 01:43:01,415 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 330 places, 1864 transitions, 88987 flow. Second operand has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:43:01,415 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:43:01,415 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 113 [2023-11-30 01:43:01,415 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:43:04,830 INFO L124 PetriNetUnfolderBase]: 2284/6294 cut-off events. [2023-11-30 01:43:04,830 INFO L125 PetriNetUnfolderBase]: For 238750/241716 co-relation queries the response was YES. [2023-11-30 01:43:04,844 INFO L83 FinitePrefix]: Finished finitePrefix Result has 121609 conditions, 6294 events. 2284/6294 cut-off events. For 238750/241716 co-relation queries the response was YES. Maximal size of possible extension queue 179. Compared 52715 event pairs, 107 based on Foata normal form. 128/6224 useless extension candidates. Maximal degree in co-relation 121334. Up to 3609 conditions per place. [2023-11-30 01:43:04,892 INFO L140 encePairwiseOnDemand]: 97/113 looper letters, 737 selfloop transitions, 30 changer transitions 1068/1891 dead transitions. [2023-11-30 01:43:04,892 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 340 places, 1891 transitions, 93985 flow [2023-11-30 01:43:04,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-30 01:43:04,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-30 01:43:04,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 882 transitions. [2023-11-30 01:43:04,893 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7095736122284795 [2023-11-30 01:43:04,893 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 882 transitions. [2023-11-30 01:43:04,893 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 882 transitions. [2023-11-30 01:43:04,894 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:43:04,894 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 882 transitions. [2023-11-30 01:43:04,895 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 80.18181818181819) internal successors, (882), 11 states have internal predecessors, (882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:43:04,896 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:43:04,896 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:43:04,897 INFO L307 CegarLoopForPetriNet]: 116 programPoint places, 224 predicate places. [2023-11-30 01:43:04,897 INFO L500 AbstractCegarLoop]: Abstraction has has 340 places, 1891 transitions, 93985 flow [2023-11-30 01:43:04,897 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:43:04,897 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:43:04,897 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] [2023-11-30 01:43:04,897 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-11-30 01:43:04,897 INFO L425 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2023-11-30 01:43:04,898 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:43:04,898 INFO L85 PathProgramCache]: Analyzing trace with hash 1296423892, now seen corresponding path program 19 times [2023-11-30 01:43:04,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:43:04,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676037212] [2023-11-30 01:43:04,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:43:04,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:43:04,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:43:05,447 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 01:43:05,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:43:05,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676037212] [2023-11-30 01:43:05,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676037212] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:43:05,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:43:05,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-30 01:43:05,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597912511] [2023-11-30 01:43:05,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:43:05,448 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-30 01:43:05,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:43:05,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-30 01:43:05,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-30 01:43:05,450 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 113 [2023-11-30 01:43:05,451 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 340 places, 1891 transitions, 93985 flow. Second operand has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:43:05,451 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:43:05,451 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 113 [2023-11-30 01:43:05,451 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:43:09,707 INFO L124 PetriNetUnfolderBase]: 2940/7878 cut-off events. [2023-11-30 01:43:09,707 INFO L125 PetriNetUnfolderBase]: For 327149/329825 co-relation queries the response was YES. [2023-11-30 01:43:09,723 INFO L83 FinitePrefix]: Finished finitePrefix Result has 158451 conditions, 7878 events. 2940/7878 cut-off events. For 327149/329825 co-relation queries the response was YES. Maximal size of possible extension queue 247. Compared 68787 event pairs, 158 based on Foata normal form. 135/7727 useless extension candidates. Maximal degree in co-relation 158167. Up to 4731 conditions per place. [2023-11-30 01:43:09,776 INFO L140 encePairwiseOnDemand]: 96/113 looper letters, 1028 selfloop transitions, 32 changer transitions 1187/2303 dead transitions. [2023-11-30 01:43:09,776 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 350 places, 2303 transitions, 119921 flow [2023-11-30 01:43:09,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-30 01:43:09,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-30 01:43:09,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 900 transitions. [2023-11-30 01:43:09,778 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7240547063555913 [2023-11-30 01:43:09,778 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 900 transitions. [2023-11-30 01:43:09,778 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 900 transitions. [2023-11-30 01:43:09,778 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:43:09,778 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 900 transitions. [2023-11-30 01:43:09,779 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 81.81818181818181) internal successors, (900), 11 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:43:09,780 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:43:09,781 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:43:09,781 INFO L307 CegarLoopForPetriNet]: 116 programPoint places, 234 predicate places. [2023-11-30 01:43:09,781 INFO L500 AbstractCegarLoop]: Abstraction has has 350 places, 2303 transitions, 119921 flow [2023-11-30 01:43:09,781 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:43:09,781 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:43:09,781 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] [2023-11-30 01:43:09,782 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-11-30 01:43:09,782 INFO L425 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2023-11-30 01:43:09,782 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:43:09,782 INFO L85 PathProgramCache]: Analyzing trace with hash 1476942626, now seen corresponding path program 20 times [2023-11-30 01:43:09,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:43:09,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504235571] [2023-11-30 01:43:09,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:43:09,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:43:09,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:43:10,259 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 01:43:10,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:43:10,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504235571] [2023-11-30 01:43:10,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504235571] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:43:10,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:43:10,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-30 01:43:10,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679595386] [2023-11-30 01:43:10,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:43:10,260 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-30 01:43:10,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:43:10,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-30 01:43:10,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-30 01:43:10,261 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 113 [2023-11-30 01:43:10,261 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 350 places, 2303 transitions, 119921 flow. Second operand has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:43:10,261 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:43:10,261 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 113 [2023-11-30 01:43:10,262 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:43:14,454 INFO L124 PetriNetUnfolderBase]: 2329/6458 cut-off events. [2023-11-30 01:43:14,455 INFO L125 PetriNetUnfolderBase]: For 289012/291935 co-relation queries the response was YES. [2023-11-30 01:43:14,470 INFO L83 FinitePrefix]: Finished finitePrefix Result has 134720 conditions, 6458 events. 2329/6458 cut-off events. For 289012/291935 co-relation queries the response was YES. Maximal size of possible extension queue 181. Compared 54502 event pairs, 107 based on Foata normal form. 165/6425 useless extension candidates. Maximal degree in co-relation 134427. Up to 3708 conditions per place. [2023-11-30 01:43:14,518 INFO L140 encePairwiseOnDemand]: 96/113 looper letters, 748 selfloop transitions, 16 changer transitions 1133/1953 dead transitions. [2023-11-30 01:43:14,518 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 360 places, 1953 transitions, 104735 flow [2023-11-30 01:43:14,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-30 01:43:14,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-30 01:43:14,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 881 transitions. [2023-11-30 01:43:14,520 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7087691069991955 [2023-11-30 01:43:14,520 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 881 transitions. [2023-11-30 01:43:14,520 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 881 transitions. [2023-11-30 01:43:14,520 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:43:14,520 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 881 transitions. [2023-11-30 01:43:14,521 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 80.0909090909091) internal successors, (881), 11 states have internal predecessors, (881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:43:14,523 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:43:14,523 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:43:14,523 INFO L307 CegarLoopForPetriNet]: 116 programPoint places, 244 predicate places. [2023-11-30 01:43:14,523 INFO L500 AbstractCegarLoop]: Abstraction has has 360 places, 1953 transitions, 104735 flow [2023-11-30 01:43:14,524 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:43:14,524 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:43:14,524 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 01:43:14,524 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-11-30 01:43:14,524 INFO L425 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2023-11-30 01:43:14,524 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:43:14,524 INFO L85 PathProgramCache]: Analyzing trace with hash 66086610, now seen corresponding path program 21 times [2023-11-30 01:43:14,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:43:14,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318163192] [2023-11-30 01:43:14,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:43:14,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:43:14,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:43:15,064 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 01:43:15,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:43:15,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318163192] [2023-11-30 01:43:15,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318163192] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:43:15,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:43:15,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-30 01:43:15,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371985691] [2023-11-30 01:43:15,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:43:15,065 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-30 01:43:15,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:43:15,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-30 01:43:15,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-30 01:43:15,066 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 113 [2023-11-30 01:43:15,067 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 360 places, 1953 transitions, 104735 flow. Second operand has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:43:15,067 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:43:15,067 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 113 [2023-11-30 01:43:15,067 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:43:19,993 INFO L124 PetriNetUnfolderBase]: 2955/7989 cut-off events. [2023-11-30 01:43:19,993 INFO L125 PetriNetUnfolderBase]: For 391030/394258 co-relation queries the response was YES. [2023-11-30 01:43:20,011 INFO L83 FinitePrefix]: Finished finitePrefix Result has 172759 conditions, 7989 events. 2955/7989 cut-off events. For 391030/394258 co-relation queries the response was YES. Maximal size of possible extension queue 249. Compared 70339 event pairs, 158 based on Foata normal form. 141/7844 useless extension candidates. Maximal degree in co-relation 172457. Up to 4800 conditions per place. [2023-11-30 01:43:20,069 INFO L140 encePairwiseOnDemand]: 96/113 looper letters, 1001 selfloop transitions, 32 changer transitions 1250/2339 dead transitions. [2023-11-30 01:43:20,069 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 370 places, 2339 transitions, 130921 flow [2023-11-30 01:43:20,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-30 01:43:20,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-30 01:43:20,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 917 transitions. [2023-11-30 01:43:20,071 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7377312952534192 [2023-11-30 01:43:20,071 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 917 transitions. [2023-11-30 01:43:20,071 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 917 transitions. [2023-11-30 01:43:20,071 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:43:20,071 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 917 transitions. [2023-11-30 01:43:20,072 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 83.36363636363636) internal successors, (917), 11 states have internal predecessors, (917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:43:20,073 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:43:20,073 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:43:20,073 INFO L307 CegarLoopForPetriNet]: 116 programPoint places, 254 predicate places. [2023-11-30 01:43:20,074 INFO L500 AbstractCegarLoop]: Abstraction has has 370 places, 2339 transitions, 130921 flow [2023-11-30 01:43:20,074 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:43:20,074 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:43:20,074 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] [2023-11-30 01:43:20,074 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-11-30 01:43:20,074 INFO L425 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2023-11-30 01:43:20,074 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:43:20,075 INFO L85 PathProgramCache]: Analyzing trace with hash -1514110780, now seen corresponding path program 22 times [2023-11-30 01:43:20,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:43:20,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466308713] [2023-11-30 01:43:20,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:43:20,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:43:20,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:43:20,676 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 01:43:20,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:43:20,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466308713] [2023-11-30 01:43:20,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466308713] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:43:20,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:43:20,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-30 01:43:20,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652992241] [2023-11-30 01:43:20,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:43:20,677 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-30 01:43:20,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:43:20,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-30 01:43:20,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-30 01:43:20,679 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 113 [2023-11-30 01:43:20,680 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 370 places, 2339 transitions, 130921 flow. Second operand has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:43:20,680 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:43:20,680 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 113 [2023-11-30 01:43:20,680 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:43:26,576 INFO L124 PetriNetUnfolderBase]: 2955/7994 cut-off events. [2023-11-30 01:43:26,577 INFO L125 PetriNetUnfolderBase]: For 421675/425282 co-relation queries the response was YES. [2023-11-30 01:43:26,594 INFO L83 FinitePrefix]: Finished finitePrefix Result has 179201 conditions, 7994 events. 2955/7994 cut-off events. For 421675/425282 co-relation queries the response was YES. Maximal size of possible extension queue 249. Compared 70473 event pairs, 158 based on Foata normal form. 117/7825 useless extension candidates. Maximal degree in co-relation 178890. Up to 4813 conditions per place. [2023-11-30 01:43:26,656 INFO L140 encePairwiseOnDemand]: 96/113 looper letters, 978 selfloop transitions, 42 changer transitions 1276/2352 dead transitions. [2023-11-30 01:43:26,656 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 380 places, 2352 transitions, 136259 flow [2023-11-30 01:43:26,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-30 01:43:26,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-30 01:43:26,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 911 transitions. [2023-11-30 01:43:26,657 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7329042638777152 [2023-11-30 01:43:26,658 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 911 transitions. [2023-11-30 01:43:26,658 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 911 transitions. [2023-11-30 01:43:26,658 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:43:26,658 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 911 transitions. [2023-11-30 01:43:26,659 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 82.81818181818181) internal successors, (911), 11 states have internal predecessors, (911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:43:26,660 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:43:26,660 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:43:26,660 INFO L307 CegarLoopForPetriNet]: 116 programPoint places, 264 predicate places. [2023-11-30 01:43:26,661 INFO L500 AbstractCegarLoop]: Abstraction has has 380 places, 2352 transitions, 136259 flow [2023-11-30 01:43:26,661 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:43:26,661 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:43:26,661 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 01:43:26,661 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-11-30 01:43:26,661 INFO L425 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2023-11-30 01:43:26,661 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:43:26,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1630192196, now seen corresponding path program 23 times [2023-11-30 01:43:26,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:43:26,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358867126] [2023-11-30 01:43:26,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:43:26,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:43:26,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:43:26,933 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 01:43:26,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:43:26,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358867126] [2023-11-30 01:43:26,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358867126] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:43:26,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:43:26,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-30 01:43:26,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464995689] [2023-11-30 01:43:26,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:43:26,934 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-30 01:43:26,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:43:26,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-30 01:43:26,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-30 01:43:26,935 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 113 [2023-11-30 01:43:26,936 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 2352 transitions, 136259 flow. Second operand has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:43:26,936 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:43:26,936 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 113 [2023-11-30 01:43:26,936 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:43:31,777 INFO L124 PetriNetUnfolderBase]: 2359/6596 cut-off events. [2023-11-30 01:43:31,777 INFO L125 PetriNetUnfolderBase]: For 371278/375094 co-relation queries the response was YES. [2023-11-30 01:43:31,792 INFO L83 FinitePrefix]: Finished finitePrefix Result has 152916 conditions, 6596 events. 2359/6596 cut-off events. For 371278/375094 co-relation queries the response was YES. Maximal size of possible extension queue 183. Compared 56285 event pairs, 107 based on Foata normal form. 112/6510 useless extension candidates. Maximal degree in co-relation 152596. Up to 3805 conditions per place. [2023-11-30 01:43:31,848 INFO L140 encePairwiseOnDemand]: 96/113 looper letters, 708 selfloop transitions, 28 changer transitions 1219/2011 dead transitions. [2023-11-30 01:43:31,849 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 390 places, 2011 transitions, 119665 flow [2023-11-30 01:43:31,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-30 01:43:31,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-30 01:43:31,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 896 transitions. [2023-11-30 01:43:31,850 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7208366854384554 [2023-11-30 01:43:31,850 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 896 transitions. [2023-11-30 01:43:31,850 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 896 transitions. [2023-11-30 01:43:31,850 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:43:31,850 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 896 transitions. [2023-11-30 01:43:31,851 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 81.45454545454545) internal successors, (896), 11 states have internal predecessors, (896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:43:31,852 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:43:31,852 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:43:31,853 INFO L307 CegarLoopForPetriNet]: 116 programPoint places, 274 predicate places. [2023-11-30 01:43:31,853 INFO L500 AbstractCegarLoop]: Abstraction has has 390 places, 2011 transitions, 119665 flow [2023-11-30 01:43:31,853 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:43:31,853 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:43:31,853 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] [2023-11-30 01:43:31,853 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-11-30 01:43:31,853 INFO L425 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2023-11-30 01:43:31,854 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:43:31,854 INFO L85 PathProgramCache]: Analyzing trace with hash -71553536, now seen corresponding path program 24 times [2023-11-30 01:43:31,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:43:31,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442921280] [2023-11-30 01:43:31,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:43:31,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:43:31,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:43:32,287 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 01:43:32,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:43:32,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442921280] [2023-11-30 01:43:32,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442921280] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:43:32,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:43:32,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-30 01:43:32,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998263374] [2023-11-30 01:43:32,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:43:32,288 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-30 01:43:32,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:43:32,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-30 01:43:32,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-30 01:43:32,289 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 113 [2023-11-30 01:43:32,289 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 390 places, 2011 transitions, 119665 flow. Second operand has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:43:32,290 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:43:32,290 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 113 [2023-11-30 01:43:32,290 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:43:35,635 INFO L124 PetriNetUnfolderBase]: 1698/5081 cut-off events. [2023-11-30 01:43:35,635 INFO L125 PetriNetUnfolderBase]: For 309815/313715 co-relation queries the response was YES. [2023-11-30 01:43:35,647 INFO L83 FinitePrefix]: Finished finitePrefix Result has 120903 conditions, 5081 events. 1698/5081 cut-off events. For 309815/313715 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 41933 event pairs, 56 based on Foata normal form. 113/5088 useless extension candidates. Maximal degree in co-relation 120574. Up to 2728 conditions per place. [2023-11-30 01:43:35,691 INFO L140 encePairwiseOnDemand]: 96/113 looper letters, 410 selfloop transitions, 8 changer transitions 1137/1611 dead transitions. [2023-11-30 01:43:35,691 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 400 places, 1611 transitions, 97923 flow [2023-11-30 01:43:35,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-30 01:43:35,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-30 01:43:35,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 903 transitions. [2023-11-30 01:43:35,692 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7264682220434433 [2023-11-30 01:43:35,692 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 903 transitions. [2023-11-30 01:43:35,692 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 903 transitions. [2023-11-30 01:43:35,693 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:43:35,693 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 903 transitions. [2023-11-30 01:43:35,694 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 82.0909090909091) internal successors, (903), 11 states have internal predecessors, (903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:43:35,695 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:43:35,695 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:43:35,695 INFO L307 CegarLoopForPetriNet]: 116 programPoint places, 284 predicate places. [2023-11-30 01:43:35,695 INFO L500 AbstractCegarLoop]: Abstraction has has 400 places, 1611 transitions, 97923 flow [2023-11-30 01:43:35,696 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:43:35,696 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:43:35,696 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] [2023-11-30 01:43:35,696 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-11-30 01:43:35,696 INFO L425 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2023-11-30 01:43:35,696 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:43:35,696 INFO L85 PathProgramCache]: Analyzing trace with hash 1146457012, now seen corresponding path program 25 times [2023-11-30 01:43:35,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:43:35,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356042378] [2023-11-30 01:43:35,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:43:35,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:43:35,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:43:36,290 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 01:43:36,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:43:36,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356042378] [2023-11-30 01:43:36,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356042378] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:43:36,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:43:36,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-30 01:43:36,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700185214] [2023-11-30 01:43:36,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:43:36,291 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-30 01:43:36,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:43:36,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-30 01:43:36,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2023-11-30 01:43:36,292 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 113 [2023-11-30 01:43:36,293 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 400 places, 1611 transitions, 97923 flow. Second operand has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:43:36,293 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:43:36,293 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 113 [2023-11-30 01:43:36,293 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:43:40,076 INFO L124 PetriNetUnfolderBase]: 2437/6839 cut-off events. [2023-11-30 01:43:40,076 INFO L125 PetriNetUnfolderBase]: For 447787/452713 co-relation queries the response was YES. [2023-11-30 01:43:40,092 INFO L83 FinitePrefix]: Finished finitePrefix Result has 169121 conditions, 6839 events. 2437/6839 cut-off events. For 447787/452713 co-relation queries the response was YES. Maximal size of possible extension queue 187. Compared 58823 event pairs, 107 based on Foata normal form. 109/6752 useless extension candidates. Maximal degree in co-relation 168783. Up to 3863 conditions per place. [2023-11-30 01:43:40,147 INFO L140 encePairwiseOnDemand]: 97/113 looper letters, 703 selfloop transitions, 32 changer transitions 1292/2083 dead transitions. [2023-11-30 01:43:40,147 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 410 places, 2083 transitions, 132113 flow [2023-11-30 01:43:40,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-30 01:43:40,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-30 01:43:40,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 879 transitions. [2023-11-30 01:43:40,148 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7071600965406275 [2023-11-30 01:43:40,148 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 879 transitions. [2023-11-30 01:43:40,148 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 879 transitions. [2023-11-30 01:43:40,148 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:43:40,148 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 879 transitions. [2023-11-30 01:43:40,149 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 79.9090909090909) internal successors, (879), 11 states have internal predecessors, (879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:43:40,150 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:43:40,150 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:43:40,150 INFO L307 CegarLoopForPetriNet]: 116 programPoint places, 294 predicate places. [2023-11-30 01:43:40,151 INFO L500 AbstractCegarLoop]: Abstraction has has 410 places, 2083 transitions, 132113 flow [2023-11-30 01:43:40,151 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:43:40,151 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:43:40,151 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] [2023-11-30 01:43:40,151 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2023-11-30 01:43:40,151 INFO L425 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2023-11-30 01:43:40,151 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:43:40,151 INFO L85 PathProgramCache]: Analyzing trace with hash -538570800, now seen corresponding path program 26 times [2023-11-30 01:43:40,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:43:40,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615098060] [2023-11-30 01:43:40,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:43:40,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:43:40,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:43:40,450 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 01:43:40,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:43:40,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615098060] [2023-11-30 01:43:40,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615098060] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:43:40,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:43:40,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-30 01:43:40,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581486503] [2023-11-30 01:43:40,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:43:40,452 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-30 01:43:40,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:43:40,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-30 01:43:40,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2023-11-30 01:43:40,453 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 113 [2023-11-30 01:43:40,453 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 410 places, 2083 transitions, 132113 flow. Second operand has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:43:40,453 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:43:40,453 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 113 [2023-11-30 01:43:40,453 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:43:45,448 INFO L124 PetriNetUnfolderBase]: 2422/6841 cut-off events. [2023-11-30 01:43:45,448 INFO L125 PetriNetUnfolderBase]: For 477729/482629 co-relation queries the response was YES. [2023-11-30 01:43:45,466 INFO L83 FinitePrefix]: Finished finitePrefix Result has 174260 conditions, 6841 events. 2422/6841 cut-off events. For 477729/482629 co-relation queries the response was YES. Maximal size of possible extension queue 187. Compared 59135 event pairs, 107 based on Foata normal form. 149/6794 useless extension candidates. Maximal degree in co-relation 173913. Up to 3861 conditions per place. [2023-11-30 01:43:45,524 INFO L140 encePairwiseOnDemand]: 96/113 looper letters, 679 selfloop transitions, 33 changer transitions 1319/2087 dead transitions. [2023-11-30 01:43:45,524 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 420 places, 2087 transitions, 136395 flow [2023-11-30 01:43:45,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-30 01:43:45,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-30 01:43:45,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 881 transitions. [2023-11-30 01:43:45,525 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7087691069991955 [2023-11-30 01:43:45,525 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 881 transitions. [2023-11-30 01:43:45,525 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 881 transitions. [2023-11-30 01:43:45,525 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:43:45,525 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 881 transitions. [2023-11-30 01:43:45,526 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 80.0909090909091) internal successors, (881), 11 states have internal predecessors, (881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:43:45,527 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:43:45,527 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:43:45,527 INFO L307 CegarLoopForPetriNet]: 116 programPoint places, 304 predicate places. [2023-11-30 01:43:45,527 INFO L500 AbstractCegarLoop]: Abstraction has has 420 places, 2087 transitions, 136395 flow [2023-11-30 01:43:45,528 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:43:45,528 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:43:45,528 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] [2023-11-30 01:43:45,528 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2023-11-30 01:43:45,528 INFO L425 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2023-11-30 01:43:45,528 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:43:45,528 INFO L85 PathProgramCache]: Analyzing trace with hash -1981128044, now seen corresponding path program 27 times [2023-11-30 01:43:45,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:43:45,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777362809] [2023-11-30 01:43:45,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:43:45,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:43:45,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:43:46,098 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 01:43:46,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:43:46,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777362809] [2023-11-30 01:43:46,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777362809] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:43:46,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:43:46,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-30 01:43:46,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163084749] [2023-11-30 01:43:46,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:43:46,099 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-30 01:43:46,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:43:46,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-30 01:43:46,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2023-11-30 01:43:46,100 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 113 [2023-11-30 01:43:46,100 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 420 places, 2087 transitions, 136395 flow. Second operand has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:43:46,101 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:43:46,101 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 113 [2023-11-30 01:43:46,101 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:43:50,018 INFO L124 PetriNetUnfolderBase]: 1801/5399 cut-off events. [2023-11-30 01:43:50,018 INFO L125 PetriNetUnfolderBase]: For 397000/401458 co-relation queries the response was YES. [2023-11-30 01:43:50,029 INFO L83 FinitePrefix]: Finished finitePrefix Result has 141257 conditions, 5399 events. 1801/5399 cut-off events. For 397000/401458 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 45317 event pairs, 56 based on Foata normal form. 128/5421 useless extension candidates. Maximal degree in co-relation 140901. Up to 2853 conditions per place. [2023-11-30 01:43:50,076 INFO L140 encePairwiseOnDemand]: 97/113 looper letters, 401 selfloop transitions, 16 changer transitions 1248/1721 dead transitions. [2023-11-30 01:43:50,076 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 430 places, 1721 transitions, 114807 flow [2023-11-30 01:43:50,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-30 01:43:50,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-30 01:43:50,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 855 transitions. [2023-11-30 01:43:50,077 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6878519710378117 [2023-11-30 01:43:50,077 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 855 transitions. [2023-11-30 01:43:50,077 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 855 transitions. [2023-11-30 01:43:50,078 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:43:50,078 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 855 transitions. [2023-11-30 01:43:50,078 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 77.72727272727273) internal successors, (855), 11 states have internal predecessors, (855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:43:50,079 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:43:50,079 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:43:50,080 INFO L307 CegarLoopForPetriNet]: 116 programPoint places, 314 predicate places. [2023-11-30 01:43:50,080 INFO L500 AbstractCegarLoop]: Abstraction has has 430 places, 1721 transitions, 114807 flow [2023-11-30 01:43:50,080 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:43:50,080 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:43:50,080 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] [2023-11-30 01:43:50,080 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2023-11-30 01:43:50,080 INFO L425 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2023-11-30 01:43:50,080 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:43:50,080 INFO L85 PathProgramCache]: Analyzing trace with hash -731009128, now seen corresponding path program 28 times [2023-11-30 01:43:50,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:43:50,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773600540] [2023-11-30 01:43:50,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:43:50,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:43:50,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:43:50,631 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 01:43:50,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:43:50,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773600540] [2023-11-30 01:43:50,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773600540] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:43:50,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:43:50,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-30 01:43:50,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250828693] [2023-11-30 01:43:50,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:43:50,632 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-30 01:43:50,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:43:50,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-30 01:43:50,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2023-11-30 01:43:50,633 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 113 [2023-11-30 01:43:50,634 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 430 places, 1721 transitions, 114807 flow. Second operand has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:43:50,634 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:43:50,634 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 113 [2023-11-30 01:43:50,634 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:43:54,923 INFO L124 PetriNetUnfolderBase]: 2559/7206 cut-off events. [2023-11-30 01:43:54,923 INFO L125 PetriNetUnfolderBase]: For 566870/572453 co-relation queries the response was YES. [2023-11-30 01:43:54,941 INFO L83 FinitePrefix]: Finished finitePrefix Result has 195089 conditions, 7206 events. 2559/7206 cut-off events. For 566870/572453 co-relation queries the response was YES. Maximal size of possible extension queue 191. Compared 62747 event pairs, 107 based on Foata normal form. 76/7086 useless extension candidates. Maximal degree in co-relation 194724. Up to 4018 conditions per place. [2023-11-30 01:43:55,013 INFO L140 encePairwiseOnDemand]: 97/113 looper letters, 722 selfloop transitions, 31 changer transitions 1407/2216 dead transitions. [2023-11-30 01:43:55,013 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 440 places, 2216 transitions, 153639 flow [2023-11-30 01:43:55,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-30 01:43:55,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-30 01:43:55,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 894 transitions. [2023-11-30 01:43:55,015 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7192276749798874 [2023-11-30 01:43:55,015 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 894 transitions. [2023-11-30 01:43:55,015 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 894 transitions. [2023-11-30 01:43:55,015 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:43:55,015 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 894 transitions. [2023-11-30 01:43:55,016 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 81.27272727272727) internal successors, (894), 11 states have internal predecessors, (894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:43:55,017 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:43:55,017 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:43:55,017 INFO L307 CegarLoopForPetriNet]: 116 programPoint places, 324 predicate places. [2023-11-30 01:43:55,017 INFO L500 AbstractCegarLoop]: Abstraction has has 440 places, 2216 transitions, 153639 flow [2023-11-30 01:43:55,018 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:43:55,018 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:43:55,018 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] [2023-11-30 01:43:55,018 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2023-11-30 01:43:55,018 INFO L425 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2023-11-30 01:43:55,018 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:43:55,018 INFO L85 PathProgramCache]: Analyzing trace with hash -184589598, now seen corresponding path program 29 times [2023-11-30 01:43:55,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:43:55,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478522606] [2023-11-30 01:43:55,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:43:55,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:43:55,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:43:55,436 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 01:43:55,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:43:55,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478522606] [2023-11-30 01:43:55,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478522606] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:43:55,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:43:55,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-30 01:43:55,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234107017] [2023-11-30 01:43:55,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:43:55,437 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-30 01:43:55,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:43:55,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-30 01:43:55,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2023-11-30 01:43:55,439 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 113 [2023-11-30 01:43:55,439 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 440 places, 2216 transitions, 153639 flow. Second operand has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:43:55,439 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:43:55,439 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 113 [2023-11-30 01:43:55,439 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:44:02,521 INFO L124 PetriNetUnfolderBase]: 3200/8767 cut-off events. [2023-11-30 01:44:02,522 INFO L125 PetriNetUnfolderBase]: For 739887/745846 co-relation queries the response was YES. [2023-11-30 01:44:02,546 INFO L83 FinitePrefix]: Finished finitePrefix Result has 243874 conditions, 8767 events. 3200/8767 cut-off events. For 739887/745846 co-relation queries the response was YES. Maximal size of possible extension queue 259. Compared 78878 event pairs, 158 based on Foata normal form. 107/8590 useless extension candidates. Maximal degree in co-relation 243500. Up to 5125 conditions per place. [2023-11-30 01:44:02,638 INFO L140 encePairwiseOnDemand]: 96/113 looper letters, 1003 selfloop transitions, 33 changer transitions 1527/2619 dead transitions. [2023-11-30 01:44:02,638 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 450 places, 2619 transitions, 187763 flow [2023-11-30 01:44:02,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-30 01:44:02,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-30 01:44:02,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 914 transitions. [2023-11-30 01:44:02,640 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7353177795655672 [2023-11-30 01:44:02,640 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 914 transitions. [2023-11-30 01:44:02,640 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 914 transitions. [2023-11-30 01:44:02,640 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:44:02,640 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 914 transitions. [2023-11-30 01:44:02,641 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 83.0909090909091) internal successors, (914), 11 states have internal predecessors, (914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:44:02,642 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:44:02,642 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:44:02,642 INFO L307 CegarLoopForPetriNet]: 116 programPoint places, 334 predicate places. [2023-11-30 01:44:02,642 INFO L500 AbstractCegarLoop]: Abstraction has has 450 places, 2619 transitions, 187763 flow [2023-11-30 01:44:02,642 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:44:02,642 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:44:02,642 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] [2023-11-30 01:44:02,642 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2023-11-30 01:44:02,642 INFO L425 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2023-11-30 01:44:02,643 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:44:02,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1317865870, now seen corresponding path program 30 times [2023-11-30 01:44:02,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:44:02,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204164125] [2023-11-30 01:44:02,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:44:02,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:44:02,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:44:02,936 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 01:44:02,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:44:02,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204164125] [2023-11-30 01:44:02,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204164125] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:44:02,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:44:02,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-30 01:44:02,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029204944] [2023-11-30 01:44:02,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:44:02,937 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-30 01:44:02,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:44:02,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-30 01:44:02,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2023-11-30 01:44:02,938 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 113 [2023-11-30 01:44:02,939 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 450 places, 2619 transitions, 187763 flow. Second operand has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:44:02,939 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:44:02,939 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 113 [2023-11-30 01:44:02,939 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:44:10,650 INFO L124 PetriNetUnfolderBase]: 2604/7369 cut-off events. [2023-11-30 01:44:10,650 INFO L125 PetriNetUnfolderBase]: For 654207/660614 co-relation queries the response was YES. [2023-11-30 01:44:10,667 INFO L83 FinitePrefix]: Finished finitePrefix Result has 210944 conditions, 7369 events. 2604/7369 cut-off events. For 654207/660614 co-relation queries the response was YES. Maximal size of possible extension queue 193. Compared 64624 event pairs, 107 based on Foata normal form. 103/7276 useless extension candidates. Maximal degree in co-relation 210561. Up to 4117 conditions per place. [2023-11-30 01:44:10,730 INFO L140 encePairwiseOnDemand]: 97/113 looper letters, 733 selfloop transitions, 17 changer transitions 1472/2278 dead transitions. [2023-11-30 01:44:10,730 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 460 places, 2278 transitions, 166929 flow [2023-11-30 01:44:10,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-30 01:44:10,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-30 01:44:10,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 890 transitions. [2023-11-30 01:44:10,732 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7160096540627514 [2023-11-30 01:44:10,732 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 890 transitions. [2023-11-30 01:44:10,732 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 890 transitions. [2023-11-30 01:44:10,732 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:44:10,732 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 890 transitions. [2023-11-30 01:44:10,733 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 80.9090909090909) internal successors, (890), 11 states have internal predecessors, (890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:44:10,734 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:44:10,734 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:44:10,735 INFO L307 CegarLoopForPetriNet]: 116 programPoint places, 344 predicate places. [2023-11-30 01:44:10,735 INFO L500 AbstractCegarLoop]: Abstraction has has 460 places, 2278 transitions, 166929 flow [2023-11-30 01:44:10,735 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:44:10,735 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:44:10,735 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] [2023-11-30 01:44:10,735 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2023-11-30 01:44:10,735 INFO L425 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2023-11-30 01:44:10,736 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:44:10,736 INFO L85 PathProgramCache]: Analyzing trace with hash 945282700, now seen corresponding path program 31 times [2023-11-30 01:44:10,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:44:10,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601960470] [2023-11-30 01:44:10,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:44:10,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:44:10,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:44:11,004 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 01:44:11,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:44:11,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601960470] [2023-11-30 01:44:11,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601960470] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:44:11,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:44:11,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-30 01:44:11,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906109422] [2023-11-30 01:44:11,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:44:11,005 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-30 01:44:11,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:44:11,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-30 01:44:11,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2023-11-30 01:44:11,006 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 113 [2023-11-30 01:44:11,006 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 460 places, 2278 transitions, 166929 flow. Second operand has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:44:11,006 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:44:11,006 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 113 [2023-11-30 01:44:11,006 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:44:18,554 INFO L124 PetriNetUnfolderBase]: 3230/8889 cut-off events. [2023-11-30 01:44:18,554 INFO L125 PetriNetUnfolderBase]: For 845089/852266 co-relation queries the response was YES. [2023-11-30 01:44:18,577 INFO L83 FinitePrefix]: Finished finitePrefix Result has 261057 conditions, 8889 events. 3230/8889 cut-off events. For 845089/852266 co-relation queries the response was YES. Maximal size of possible extension queue 261. Compared 80449 event pairs, 158 based on Foata normal form. 146/8751 useless extension candidates. Maximal degree in co-relation 260665. Up to 5209 conditions per place. [2023-11-30 01:44:18,746 INFO L140 encePairwiseOnDemand]: 96/113 looper letters, 986 selfloop transitions, 33 changer transitions 1589/2664 dead transitions. [2023-11-30 01:44:18,746 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 470 places, 2664 transitions, 201485 flow [2023-11-30 01:44:18,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-30 01:44:18,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-30 01:44:18,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 898 transitions. [2023-11-30 01:44:18,748 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7224456958970233 [2023-11-30 01:44:18,748 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 898 transitions. [2023-11-30 01:44:18,748 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 898 transitions. [2023-11-30 01:44:18,748 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:44:18,748 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 898 transitions. [2023-11-30 01:44:18,749 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 81.63636363636364) internal successors, (898), 11 states have internal predecessors, (898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:44:18,750 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:44:18,750 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:44:18,750 INFO L307 CegarLoopForPetriNet]: 116 programPoint places, 354 predicate places. [2023-11-30 01:44:18,750 INFO L500 AbstractCegarLoop]: Abstraction has has 470 places, 2664 transitions, 201485 flow [2023-11-30 01:44:18,750 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:44:18,750 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:44:18,751 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] [2023-11-30 01:44:18,751 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2023-11-30 01:44:18,751 INFO L425 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2023-11-30 01:44:18,751 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:44:18,751 INFO L85 PathProgramCache]: Analyzing trace with hash -31340028, now seen corresponding path program 32 times [2023-11-30 01:44:18,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:44:18,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992644429] [2023-11-30 01:44:18,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:44:18,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:44:18,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:44:19,226 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 01:44:19,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:44:19,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992644429] [2023-11-30 01:44:19,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992644429] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:44:19,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:44:19,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-30 01:44:19,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118340484] [2023-11-30 01:44:19,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:44:19,227 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-30 01:44:19,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:44:19,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-30 01:44:19,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2023-11-30 01:44:19,227 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 113 [2023-11-30 01:44:19,228 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 470 places, 2664 transitions, 201485 flow. Second operand has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:44:19,228 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:44:19,228 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 113 [2023-11-30 01:44:19,228 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:44:27,075 INFO L124 PetriNetUnfolderBase]: 2634/7497 cut-off events. [2023-11-30 01:44:27,075 INFO L125 PetriNetUnfolderBase]: For 745452/752341 co-relation queries the response was YES. [2023-11-30 01:44:27,092 INFO L83 FinitePrefix]: Finished finitePrefix Result has 226162 conditions, 7497 events. 2634/7497 cut-off events. For 745452/752341 co-relation queries the response was YES. Maximal size of possible extension queue 195. Compared 66218 event pairs, 107 based on Foata normal form. 120/7421 useless extension candidates. Maximal degree in co-relation 225761. Up to 4201 conditions per place. [2023-11-30 01:44:27,164 INFO L140 encePairwiseOnDemand]: 96/113 looper letters, 705 selfloop transitions, 30 changer transitions 1532/2323 dead transitions. [2023-11-30 01:44:27,164 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 480 places, 2323 transitions, 179377 flow [2023-11-30 01:44:27,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-30 01:44:27,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-30 01:44:27,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 877 transitions. [2023-11-30 01:44:27,166 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7055510860820595 [2023-11-30 01:44:27,166 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 877 transitions. [2023-11-30 01:44:27,166 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 877 transitions. [2023-11-30 01:44:27,167 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:44:27,167 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 877 transitions. [2023-11-30 01:44:27,168 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 79.72727272727273) internal successors, (877), 11 states have internal predecessors, (877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:44:27,169 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:44:27,169 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:44:27,170 INFO L307 CegarLoopForPetriNet]: 116 programPoint places, 364 predicate places. [2023-11-30 01:44:27,170 INFO L500 AbstractCegarLoop]: Abstraction has has 480 places, 2323 transitions, 179377 flow [2023-11-30 01:44:27,170 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:44:27,170 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:44:27,170 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] [2023-11-30 01:44:27,170 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2023-11-30 01:44:27,170 INFO L425 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2023-11-30 01:44:27,170 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:44:27,170 INFO L85 PathProgramCache]: Analyzing trace with hash -1733085760, now seen corresponding path program 33 times [2023-11-30 01:44:27,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:44:27,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406330836] [2023-11-30 01:44:27,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:44:27,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:44:27,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:44:27,590 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 01:44:27,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:44:27,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406330836] [2023-11-30 01:44:27,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406330836] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:44:27,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:44:27,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-30 01:44:27,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000483818] [2023-11-30 01:44:27,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:44:27,591 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-30 01:44:27,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:44:27,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-30 01:44:27,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2023-11-30 01:44:27,592 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 113 [2023-11-30 01:44:27,592 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 480 places, 2323 transitions, 179377 flow. Second operand has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:44:27,592 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:44:27,592 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 113 [2023-11-30 01:44:27,592 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:44:34,579 INFO L124 PetriNetUnfolderBase]: 2619/7497 cut-off events. [2023-11-30 01:44:34,580 INFO L125 PetriNetUnfolderBase]: For 788708/795982 co-relation queries the response was YES. [2023-11-30 01:44:34,598 INFO L83 FinitePrefix]: Finished finitePrefix Result has 231809 conditions, 7497 events. 2619/7497 cut-off events. For 788708/795982 co-relation queries the response was YES. Maximal size of possible extension queue 195. Compared 66422 event pairs, 107 based on Foata normal form. 140/7441 useless extension candidates. Maximal degree in co-relation 231399. Up to 4199 conditions per place. [2023-11-30 01:44:34,672 INFO L140 encePairwiseOnDemand]: 96/113 looper letters, 683 selfloop transitions, 29 changer transitions 1559/2327 dead transitions. [2023-11-30 01:44:34,672 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 490 places, 2327 transitions, 184195 flow [2023-11-30 01:44:34,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-30 01:44:34,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-30 01:44:34,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 909 transitions. [2023-11-30 01:44:34,673 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7312952534191473 [2023-11-30 01:44:34,673 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 909 transitions. [2023-11-30 01:44:34,673 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 909 transitions. [2023-11-30 01:44:34,673 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:44:34,673 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 909 transitions. [2023-11-30 01:44:34,674 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 82.63636363636364) internal successors, (909), 11 states have internal predecessors, (909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:44:34,676 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:44:34,676 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:44:34,676 INFO L307 CegarLoopForPetriNet]: 116 programPoint places, 374 predicate places. [2023-11-30 01:44:34,676 INFO L500 AbstractCegarLoop]: Abstraction has has 490 places, 2327 transitions, 184195 flow [2023-11-30 01:44:34,676 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:44:34,676 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:44:34,676 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] [2023-11-30 01:44:34,677 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2023-11-30 01:44:34,677 INFO L425 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2023-11-30 01:44:34,677 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:44:34,677 INFO L85 PathProgramCache]: Analyzing trace with hash 1119324292, now seen corresponding path program 34 times [2023-11-30 01:44:34,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:44:34,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200419779] [2023-11-30 01:44:34,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:44:34,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:44:34,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:44:34,872 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 01:44:34,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:44:34,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200419779] [2023-11-30 01:44:34,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200419779] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:44:34,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:44:34,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-30 01:44:34,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157370423] [2023-11-30 01:44:34,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:44:34,873 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-30 01:44:34,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:44:34,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-30 01:44:34,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2023-11-30 01:44:34,874 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 113 [2023-11-30 01:44:34,874 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 490 places, 2327 transitions, 184195 flow. Second operand has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:44:34,874 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:44:34,874 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 113 [2023-11-30 01:44:34,874 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:44:40,780 INFO L124 PetriNetUnfolderBase]: 1998/6049 cut-off events. [2023-11-30 01:44:40,781 INFO L125 PetriNetUnfolderBase]: For 672089/679636 co-relation queries the response was YES. [2023-11-30 01:44:40,796 INFO L83 FinitePrefix]: Finished finitePrefix Result has 191683 conditions, 6049 events. 1998/6049 cut-off events. For 672089/679636 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 52305 event pairs, 56 based on Foata normal form. 95/6038 useless extension candidates. Maximal degree in co-relation 191264. Up to 3191 conditions per place. [2023-11-30 01:44:40,855 INFO L140 encePairwiseOnDemand]: 97/113 looper letters, 405 selfloop transitions, 11 changer transitions 1489/1961 dead transitions. [2023-11-30 01:44:40,855 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 500 places, 1961 transitions, 157963 flow [2023-11-30 01:44:40,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-30 01:44:40,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-30 01:44:40,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 855 transitions. [2023-11-30 01:44:40,857 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6878519710378117 [2023-11-30 01:44:40,857 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 855 transitions. [2023-11-30 01:44:40,857 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 855 transitions. [2023-11-30 01:44:40,857 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:44:40,857 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 855 transitions. [2023-11-30 01:44:40,858 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 77.72727272727273) internal successors, (855), 11 states have internal predecessors, (855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:44:40,859 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:44:40,859 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:44:40,859 INFO L307 CegarLoopForPetriNet]: 116 programPoint places, 384 predicate places. [2023-11-30 01:44:40,860 INFO L500 AbstractCegarLoop]: Abstraction has has 500 places, 1961 transitions, 157963 flow [2023-11-30 01:44:40,860 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:44:40,860 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:44:40,860 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] [2023-11-30 01:44:40,860 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2023-11-30 01:44:40,860 INFO L425 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2023-11-30 01:44:40,860 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:44:40,860 INFO L85 PathProgramCache]: Analyzing trace with hash 1894477044, now seen corresponding path program 35 times [2023-11-30 01:44:40,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:44:40,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313442568] [2023-11-30 01:44:40,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:44:40,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:44:40,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:44:41,071 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 01:44:41,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:44:41,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313442568] [2023-11-30 01:44:41,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313442568] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:44:41,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:44:41,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-30 01:44:41,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645001733] [2023-11-30 01:44:41,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:44:41,072 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-30 01:44:41,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:44:41,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-30 01:44:41,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-30 01:44:41,074 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 113 [2023-11-30 01:44:41,074 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 500 places, 1961 transitions, 157963 flow. Second operand has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:44:41,074 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:44:41,074 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 113 [2023-11-30 01:44:41,074 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:44:46,701 INFO L124 PetriNetUnfolderBase]: 2011/6075 cut-off events. [2023-11-30 01:44:46,702 INFO L125 PetriNetUnfolderBase]: For 715647/724644 co-relation queries the response was YES. [2023-11-30 01:44:46,717 INFO L83 FinitePrefix]: Finished finitePrefix Result has 197960 conditions, 6075 events. 2011/6075 cut-off events. For 715647/724644 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 52635 event pairs, 67 based on Foata normal form. 51/6022 useless extension candidates. Maximal degree in co-relation 197532. Up to 3217 conditions per place. [2023-11-30 01:44:46,786 INFO L140 encePairwiseOnDemand]: 97/113 looper letters, 373 selfloop transitions, 29 changer transitions 1530/1988 dead transitions. [2023-11-30 01:44:46,786 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 510 places, 1988 transitions, 164073 flow [2023-11-30 01:44:46,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-30 01:44:46,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-30 01:44:46,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 895 transitions. [2023-11-30 01:44:46,787 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7200321802091714 [2023-11-30 01:44:46,787 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 895 transitions. [2023-11-30 01:44:46,787 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 895 transitions. [2023-11-30 01:44:46,788 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:44:46,788 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 895 transitions. [2023-11-30 01:44:46,788 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 81.36363636363636) internal successors, (895), 11 states have internal predecessors, (895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:44:46,789 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:44:46,789 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:44:46,790 INFO L307 CegarLoopForPetriNet]: 116 programPoint places, 394 predicate places. [2023-11-30 01:44:46,790 INFO L500 AbstractCegarLoop]: Abstraction has has 510 places, 1988 transitions, 164073 flow [2023-11-30 01:44:46,790 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:44:46,790 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:44:46,790 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] [2023-11-30 01:44:46,790 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2023-11-30 01:44:46,790 INFO L425 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2023-11-30 01:44:46,790 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:44:46,790 INFO L85 PathProgramCache]: Analyzing trace with hash 521130970, now seen corresponding path program 36 times [2023-11-30 01:44:46,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:44:46,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992366201] [2023-11-30 01:44:46,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:44:46,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:44:46,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:44:47,287 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 01:44:47,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:44:47,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992366201] [2023-11-30 01:44:47,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992366201] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:44:47,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:44:47,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-30 01:44:47,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095443138] [2023-11-30 01:44:47,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:44:47,290 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-30 01:44:47,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:44:47,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-30 01:44:47,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-30 01:44:47,291 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 113 [2023-11-30 01:44:47,291 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 510 places, 1988 transitions, 164073 flow. Second operand has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:44:47,291 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:44:47,291 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 113 [2023-11-30 01:44:47,291 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:44:53,536 INFO L124 PetriNetUnfolderBase]: 2667/7674 cut-off events. [2023-11-30 01:44:53,536 INFO L125 PetriNetUnfolderBase]: For 946953/955248 co-relation queries the response was YES. [2023-11-30 01:44:53,745 INFO L83 FinitePrefix]: Finished finitePrefix Result has 254805 conditions, 7674 events. 2667/7674 cut-off events. For 946953/955248 co-relation queries the response was YES. Maximal size of possible extension queue 195. Compared 68443 event pairs, 118 based on Foata normal form. 49/7531 useless extension candidates. Maximal degree in co-relation 254368. Up to 4339 conditions per place. [2023-11-30 01:44:53,817 INFO L140 encePairwiseOnDemand]: 96/113 looper letters, 664 selfloop transitions, 31 changer transitions 1649/2400 dead transitions. [2023-11-30 01:44:53,817 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 520 places, 2400 transitions, 204211 flow [2023-11-30 01:44:53,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-30 01:44:53,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-30 01:44:53,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 913 transitions. [2023-11-30 01:44:53,818 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7345132743362832 [2023-11-30 01:44:53,818 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 913 transitions. [2023-11-30 01:44:53,819 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 913 transitions. [2023-11-30 01:44:53,819 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:44:53,819 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 913 transitions. [2023-11-30 01:44:53,820 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 83.0) internal successors, (913), 11 states have internal predecessors, (913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:44:53,820 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:44:53,820 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:44:53,821 INFO L307 CegarLoopForPetriNet]: 116 programPoint places, 404 predicate places. [2023-11-30 01:44:53,821 INFO L500 AbstractCegarLoop]: Abstraction has has 520 places, 2400 transitions, 204211 flow [2023-11-30 01:44:53,821 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:44:53,821 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:44:53,821 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] [2023-11-30 01:44:53,821 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2023-11-30 01:44:53,821 INFO L425 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2023-11-30 01:44:53,822 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:44:53,822 INFO L85 PathProgramCache]: Analyzing trace with hash -1854070722, now seen corresponding path program 37 times [2023-11-30 01:44:53,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:44:53,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316388367] [2023-11-30 01:44:53,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:44:53,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:44:53,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:44:54,010 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 01:44:54,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:44:54,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316388367] [2023-11-30 01:44:54,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316388367] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:44:54,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:44:54,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-30 01:44:54,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027994068] [2023-11-30 01:44:54,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:44:54,011 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-30 01:44:54,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:44:54,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-30 01:44:54,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-30 01:44:54,012 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 113 [2023-11-30 01:44:54,012 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 520 places, 2400 transitions, 204211 flow. Second operand has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:44:54,012 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:44:54,012 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 113 [2023-11-30 01:44:54,012 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:45:00,307 INFO L124 PetriNetUnfolderBase]: 2056/6256 cut-off events. [2023-11-30 01:45:00,307 INFO L125 PetriNetUnfolderBase]: For 811669/820745 co-relation queries the response was YES. [2023-11-30 01:45:00,321 INFO L83 FinitePrefix]: Finished finitePrefix Result has 213094 conditions, 6256 events. 2056/6256 cut-off events. For 811669/820745 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 54648 event pairs, 67 based on Foata normal form. 74/6226 useless extension candidates. Maximal degree in co-relation 212648. Up to 3316 conditions per place. [2023-11-30 01:45:00,385 INFO L140 encePairwiseOnDemand]: 96/113 looper letters, 384 selfloop transitions, 15 changer transitions 1595/2050 dead transitions. [2023-11-30 01:45:00,385 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 530 places, 2050 transitions, 177319 flow [2023-11-30 01:45:00,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-30 01:45:00,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-30 01:45:00,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 894 transitions. [2023-11-30 01:45:00,386 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7192276749798874 [2023-11-30 01:45:00,386 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 894 transitions. [2023-11-30 01:45:00,386 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 894 transitions. [2023-11-30 01:45:00,386 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:45:00,386 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 894 transitions. [2023-11-30 01:45:00,387 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 81.27272727272727) internal successors, (894), 11 states have internal predecessors, (894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:45:00,388 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:45:00,388 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:45:00,388 INFO L307 CegarLoopForPetriNet]: 116 programPoint places, 414 predicate places. [2023-11-30 01:45:00,388 INFO L500 AbstractCegarLoop]: Abstraction has has 530 places, 2050 transitions, 177319 flow [2023-11-30 01:45:00,388 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:45:00,388 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:45:00,389 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] [2023-11-30 01:45:00,389 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2023-11-30 01:45:00,389 INFO L425 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2023-11-30 01:45:00,389 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:45:00,389 INFO L85 PathProgramCache]: Analyzing trace with hash 1204082150, now seen corresponding path program 38 times [2023-11-30 01:45:00,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:45:00,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353344988] [2023-11-30 01:45:00,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:45:00,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:45:00,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:45:00,878 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 01:45:00,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:45:00,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353344988] [2023-11-30 01:45:00,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353344988] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:45:00,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:45:00,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-30 01:45:00,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030878300] [2023-11-30 01:45:00,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:45:00,878 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-30 01:45:00,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:45:00,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-30 01:45:00,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-30 01:45:00,879 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 113 [2023-11-30 01:45:00,880 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 530 places, 2050 transitions, 177319 flow. Second operand has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:45:00,880 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:45:00,880 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 113 [2023-11-30 01:45:00,880 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:45:07,583 INFO L124 PetriNetUnfolderBase]: 2728/7866 cut-off events. [2023-11-30 01:45:07,583 INFO L125 PetriNetUnfolderBase]: For 1073091/1083020 co-relation queries the response was YES. [2023-11-30 01:45:07,603 INFO L83 FinitePrefix]: Finished finitePrefix Result has 273813 conditions, 7866 events. 2728/7866 cut-off events. For 1073091/1083020 co-relation queries the response was YES. Maximal size of possible extension queue 197. Compared 70611 event pairs, 107 based on Foata normal form. 64/7736 useless extension candidates. Maximal degree in co-relation 273358. Up to 4468 conditions per place. [2023-11-30 01:45:07,691 INFO L140 encePairwiseOnDemand]: 96/113 looper letters, 678 selfloop transitions, 30 changer transitions 1717/2481 dead transitions. [2023-11-30 01:45:07,691 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 540 places, 2481 transitions, 220943 flow [2023-11-30 01:45:07,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-30 01:45:07,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-30 01:45:07,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 926 transitions. [2023-11-30 01:45:07,692 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7449718423169751 [2023-11-30 01:45:07,692 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 926 transitions. [2023-11-30 01:45:07,692 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 926 transitions. [2023-11-30 01:45:07,692 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:45:07,692 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 926 transitions. [2023-11-30 01:45:07,693 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 84.18181818181819) internal successors, (926), 11 states have internal predecessors, (926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:45:07,694 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:45:07,694 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:45:07,694 INFO L307 CegarLoopForPetriNet]: 116 programPoint places, 424 predicate places. [2023-11-30 01:45:07,695 INFO L500 AbstractCegarLoop]: Abstraction has has 540 places, 2481 transitions, 220943 flow [2023-11-30 01:45:07,695 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:45:07,695 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:45:07,695 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] [2023-11-30 01:45:07,695 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2023-11-30 01:45:07,695 INFO L425 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2023-11-30 01:45:07,695 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:45:07,695 INFO L85 PathProgramCache]: Analyzing trace with hash -1957608874, now seen corresponding path program 39 times [2023-11-30 01:45:07,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:45:07,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434721764] [2023-11-30 01:45:07,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:45:07,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:45:07,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:45:08,058 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 01:45:08,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:45:08,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434721764] [2023-11-30 01:45:08,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434721764] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:45:08,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:45:08,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-30 01:45:08,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219024017] [2023-11-30 01:45:08,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:45:08,059 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-30 01:45:08,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:45:08,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-30 01:45:08,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-30 01:45:08,060 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 113 [2023-11-30 01:45:08,061 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 540 places, 2481 transitions, 220943 flow. Second operand has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:45:08,061 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:45:08,061 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 113 [2023-11-30 01:45:08,061 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:45:17,028 INFO L124 PetriNetUnfolderBase]: 2758/7956 cut-off events. [2023-11-30 01:45:17,028 INFO L125 PetriNetUnfolderBase]: For 1147203/1158727 co-relation queries the response was YES. [2023-11-30 01:45:17,048 INFO L83 FinitePrefix]: Finished finitePrefix Result has 283806 conditions, 7956 events. 2758/7956 cut-off events. For 1147203/1158727 co-relation queries the response was YES. Maximal size of possible extension queue 199. Compared 71681 event pairs, 107 based on Foata normal form. 90/7852 useless extension candidates. Maximal degree in co-relation 283342. Up to 4539 conditions per place. [2023-11-30 01:45:17,132 INFO L140 encePairwiseOnDemand]: 96/113 looper letters, 689 selfloop transitions, 17 changer transitions 1751/2513 dead transitions. [2023-11-30 01:45:17,132 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 550 places, 2513 transitions, 228769 flow [2023-11-30 01:45:17,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-30 01:45:17,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-30 01:45:17,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 926 transitions. [2023-11-30 01:45:17,133 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7449718423169751 [2023-11-30 01:45:17,133 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 926 transitions. [2023-11-30 01:45:17,133 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 926 transitions. [2023-11-30 01:45:17,134 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:45:17,134 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 926 transitions. [2023-11-30 01:45:17,134 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 84.18181818181819) internal successors, (926), 11 states have internal predecessors, (926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:45:17,135 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:45:17,135 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:45:17,136 INFO L307 CegarLoopForPetriNet]: 116 programPoint places, 434 predicate places. [2023-11-30 01:45:17,136 INFO L500 AbstractCegarLoop]: Abstraction has has 550 places, 2513 transitions, 228769 flow [2023-11-30 01:45:17,136 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:45:17,136 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:45:17,136 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] [2023-11-30 01:45:17,136 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2023-11-30 01:45:17,136 INFO L425 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2023-11-30 01:45:17,137 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:45:17,137 INFO L85 PathProgramCache]: Analyzing trace with hash 53417830, now seen corresponding path program 40 times [2023-11-30 01:45:17,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:45:17,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111186489] [2023-11-30 01:45:17,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:45:17,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:45:17,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:45:17,468 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 01:45:17,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:45:17,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111186489] [2023-11-30 01:45:17,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111186489] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:45:17,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:45:17,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-30 01:45:17,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023231103] [2023-11-30 01:45:17,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:45:17,469 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-30 01:45:17,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:45:17,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-30 01:45:17,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-30 01:45:17,469 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 113 [2023-11-30 01:45:17,470 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 550 places, 2513 transitions, 228769 flow. Second operand has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:45:17,470 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:45:17,470 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 113 [2023-11-30 01:45:17,470 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:45:26,842 INFO L124 PetriNetUnfolderBase]: 2758/7986 cut-off events. [2023-11-30 01:45:26,842 INFO L125 PetriNetUnfolderBase]: For 1203522/1215153 co-relation queries the response was YES. [2023-11-30 01:45:27,033 INFO L83 FinitePrefix]: Finished finitePrefix Result has 290583 conditions, 7986 events. 2758/7986 cut-off events. For 1203522/1215153 co-relation queries the response was YES. Maximal size of possible extension queue 199. Compared 72139 event pairs, 107 based on Foata normal form. 91/7883 useless extension candidates. Maximal degree in co-relation 290110. Up to 4552 conditions per place. [2023-11-30 01:45:27,117 INFO L140 encePairwiseOnDemand]: 96/113 looper letters, 665 selfloop transitions, 28 changer transitions 1777/2526 dead transitions. [2023-11-30 01:45:27,117 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 560 places, 2526 transitions, 234923 flow [2023-11-30 01:45:27,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-30 01:45:27,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-30 01:45:27,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 911 transitions. [2023-11-30 01:45:27,118 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7329042638777152 [2023-11-30 01:45:27,118 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 911 transitions. [2023-11-30 01:45:27,118 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 911 transitions. [2023-11-30 01:45:27,119 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:45:27,119 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 911 transitions. [2023-11-30 01:45:27,119 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 82.81818181818181) internal successors, (911), 11 states have internal predecessors, (911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:45:27,120 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:45:27,120 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:45:27,121 INFO L307 CegarLoopForPetriNet]: 116 programPoint places, 444 predicate places. [2023-11-30 01:45:27,121 INFO L500 AbstractCegarLoop]: Abstraction has has 560 places, 2526 transitions, 234923 flow [2023-11-30 01:45:27,121 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:45:27,121 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:45:27,121 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] [2023-11-30 01:45:27,121 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2023-11-30 01:45:27,121 INFO L425 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2023-11-30 01:45:27,122 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:45:27,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1030040558, now seen corresponding path program 41 times [2023-11-30 01:45:27,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:45:27,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535953858] [2023-11-30 01:45:27,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:45:27,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:45:27,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:45:27,313 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 01:45:27,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:45:27,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535953858] [2023-11-30 01:45:27,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535953858] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:45:27,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:45:27,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-30 01:45:27,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460271022] [2023-11-30 01:45:27,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:45:27,314 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-30 01:45:27,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:45:27,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-30 01:45:27,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-30 01:45:27,315 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 113 [2023-11-30 01:45:27,315 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 560 places, 2526 transitions, 234923 flow. Second operand has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:45:27,315 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:45:27,315 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 113 [2023-11-30 01:45:27,315 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:45:35,389 INFO L124 PetriNetUnfolderBase]: 2147/6595 cut-off events. [2023-11-30 01:45:35,389 INFO L125 PetriNetUnfolderBase]: For 1030969/1041679 co-relation queries the response was YES. [2023-11-30 01:45:35,406 INFO L83 FinitePrefix]: Finished finitePrefix Result has 244966 conditions, 6595 events. 2147/6595 cut-off events. For 1030969/1041679 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 58379 event pairs, 56 based on Foata normal form. 102/6591 useless extension candidates. Maximal degree in co-relation 244484. Up to 3529 conditions per place. [2023-11-30 01:45:35,483 INFO L140 encePairwiseOnDemand]: 96/113 looper letters, 385 selfloop transitions, 11 changer transitions 1724/2176 dead transitions. [2023-11-30 01:45:35,483 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 570 places, 2176 transitions, 205483 flow [2023-11-30 01:45:35,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-30 01:45:35,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-30 01:45:35,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 907 transitions. [2023-11-30 01:45:35,484 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7296862429605793 [2023-11-30 01:45:35,484 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 907 transitions. [2023-11-30 01:45:35,484 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 907 transitions. [2023-11-30 01:45:35,484 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:45:35,484 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 907 transitions. [2023-11-30 01:45:35,485 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 82.45454545454545) internal successors, (907), 11 states have internal predecessors, (907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:45:35,486 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:45:35,486 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:45:35,486 INFO L307 CegarLoopForPetriNet]: 116 programPoint places, 454 predicate places. [2023-11-30 01:45:35,486 INFO L500 AbstractCegarLoop]: Abstraction has has 570 places, 2176 transitions, 205483 flow [2023-11-30 01:45:35,486 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:45:35,487 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:45:35,487 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] [2023-11-30 01:45:35,487 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2023-11-30 01:45:35,487 INFO L425 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2023-11-30 01:45:35,487 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:45:35,487 INFO L85 PathProgramCache]: Analyzing trace with hash 1227892566, now seen corresponding path program 42 times [2023-11-30 01:45:35,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:45:35,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368309460] [2023-11-30 01:45:35,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:45:35,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:45:35,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:45:35,885 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 01:45:35,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:45:35,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368309460] [2023-11-30 01:45:35,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368309460] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:45:35,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:45:35,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-30 01:45:35,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122072285] [2023-11-30 01:45:35,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:45:35,886 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-30 01:45:35,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:45:35,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-30 01:45:35,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-30 01:45:35,887 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 113 [2023-11-30 01:45:35,887 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 570 places, 2176 transitions, 205483 flow. Second operand has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:45:35,887 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:45:35,887 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 113 [2023-11-30 01:45:35,887 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:45:42,202 INFO L124 PetriNetUnfolderBase]: 2160/6622 cut-off events. [2023-11-30 01:45:42,202 INFO L125 PetriNetUnfolderBase]: For 1080237/1092355 co-relation queries the response was YES. [2023-11-30 01:45:42,218 INFO L83 FinitePrefix]: Finished finitePrefix Result has 251946 conditions, 6622 events. 2160/6622 cut-off events. For 1080237/1092355 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 58696 event pairs, 67 based on Foata normal form. 123/6641 useless extension candidates. Maximal degree in co-relation 251455. Up to 3568 conditions per place. [2023-11-30 01:45:42,290 INFO L140 encePairwiseOnDemand]: 97/113 looper letters, 356 selfloop transitions, 26 changer transitions 1765/2203 dead transitions. [2023-11-30 01:45:42,291 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 580 places, 2203 transitions, 212401 flow [2023-11-30 01:45:42,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-30 01:45:42,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-30 01:45:42,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 879 transitions. [2023-11-30 01:45:42,292 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7071600965406275 [2023-11-30 01:45:42,292 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 879 transitions. [2023-11-30 01:45:42,292 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 879 transitions. [2023-11-30 01:45:42,292 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:45:42,292 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 879 transitions. [2023-11-30 01:45:42,293 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 79.9090909090909) internal successors, (879), 11 states have internal predecessors, (879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:45:42,294 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:45:42,294 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:45:42,295 INFO L307 CegarLoopForPetriNet]: 116 programPoint places, 464 predicate places. [2023-11-30 01:45:42,295 INFO L500 AbstractCegarLoop]: Abstraction has has 580 places, 2203 transitions, 212401 flow [2023-11-30 01:45:42,295 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:45:42,295 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:45:42,295 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] [2023-11-30 01:45:42,295 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2023-11-30 01:45:42,295 INFO L425 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2023-11-30 01:45:42,296 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:45:42,296 INFO L85 PathProgramCache]: Analyzing trace with hash 538676686, now seen corresponding path program 43 times [2023-11-30 01:45:42,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:45:42,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79786933] [2023-11-30 01:45:42,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:45:42,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:45:42,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:45:42,621 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 01:45:42,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:45:42,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79786933] [2023-11-30 01:45:42,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79786933] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:45:42,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:45:42,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-30 01:45:42,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609812153] [2023-11-30 01:45:42,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:45:42,622 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-30 01:45:42,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:45:42,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-30 01:45:42,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-30 01:45:42,623 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 113 [2023-11-30 01:45:42,624 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 580 places, 2203 transitions, 212401 flow. Second operand has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:45:42,624 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:45:42,624 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 113 [2023-11-30 01:45:42,624 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:45:51,277 INFO L124 PetriNetUnfolderBase]: 2816/8215 cut-off events. [2023-11-30 01:45:51,277 INFO L125 PetriNetUnfolderBase]: For 1398338/1409894 co-relation queries the response was YES. [2023-11-30 01:45:51,299 INFO L83 FinitePrefix]: Finished finitePrefix Result has 317474 conditions, 8215 events. 2816/8215 cut-off events. For 1398338/1409894 co-relation queries the response was YES. Maximal size of possible extension queue 201. Compared 74947 event pairs, 118 based on Foata normal form. 123/8146 useless extension candidates. Maximal degree in co-relation 316974. Up to 4704 conditions per place. [2023-11-30 01:45:51,409 INFO L140 encePairwiseOnDemand]: 96/113 looper letters, 647 selfloop transitions, 28 changer transitions 1884/2615 dead transitions. [2023-11-30 01:45:51,409 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 590 places, 2615 transitions, 258737 flow [2023-11-30 01:45:51,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-30 01:45:51,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-30 01:45:51,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 897 transitions. [2023-11-30 01:45:51,411 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7216411906677394 [2023-11-30 01:45:51,411 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 897 transitions. [2023-11-30 01:45:51,411 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 897 transitions. [2023-11-30 01:45:51,411 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:45:51,411 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 897 transitions. [2023-11-30 01:45:51,412 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 81.54545454545455) internal successors, (897), 11 states have internal predecessors, (897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:45:51,413 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:45:51,413 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:45:51,414 INFO L307 CegarLoopForPetriNet]: 116 programPoint places, 474 predicate places. [2023-11-30 01:45:51,414 INFO L500 AbstractCegarLoop]: Abstraction has has 590 places, 2615 transitions, 258737 flow [2023-11-30 01:45:51,414 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:45:51,414 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:45:51,414 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] [2023-11-30 01:45:51,414 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2023-11-30 01:45:51,414 INFO L425 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2023-11-30 01:45:51,415 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:45:51,415 INFO L85 PathProgramCache]: Analyzing trace with hash 1992507774, now seen corresponding path program 44 times [2023-11-30 01:45:51,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:45:51,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178569953] [2023-11-30 01:45:51,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:45:51,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:45:51,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:45:51,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 01:45:51,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:45:51,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178569953] [2023-11-30 01:45:51,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178569953] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:45:51,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:45:51,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-30 01:45:51,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434498074] [2023-11-30 01:45:51,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:45:51,794 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-30 01:45:51,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:45:51,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-30 01:45:51,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-30 01:45:51,795 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 113 [2023-11-30 01:45:51,795 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 590 places, 2615 transitions, 258737 flow. Second operand has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:45:51,795 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:45:51,795 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 113 [2023-11-30 01:45:51,795 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:46:02,592 INFO L124 PetriNetUnfolderBase]: 2205/6800 cut-off events. [2023-11-30 01:46:02,592 INFO L125 PetriNetUnfolderBase]: For 1208456/1220392 co-relation queries the response was YES. [2023-11-30 01:46:02,610 INFO L83 FinitePrefix]: Finished finitePrefix Result has 268833 conditions, 6800 events. 2205/6800 cut-off events. For 1208456/1220392 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 60747 event pairs, 67 based on Foata normal form. 158/6854 useless extension candidates. Maximal degree in co-relation 268324. Up to 3681 conditions per place. [2023-11-30 01:46:02,688 INFO L140 encePairwiseOnDemand]: 96/113 looper letters, 367 selfloop transitions, 12 changer transitions 1830/2265 dead transitions. [2023-11-30 01:46:02,688 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 600 places, 2265 transitions, 227375 flow [2023-11-30 01:46:02,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-30 01:46:02,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-30 01:46:02,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 878 transitions. [2023-11-30 01:46:02,689 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7063555913113435 [2023-11-30 01:46:02,689 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 878 transitions. [2023-11-30 01:46:02,689 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 878 transitions. [2023-11-30 01:46:02,690 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:46:02,690 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 878 transitions. [2023-11-30 01:46:02,690 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 79.81818181818181) internal successors, (878), 11 states have internal predecessors, (878), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:46:02,691 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:46:02,691 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:46:02,691 INFO L307 CegarLoopForPetriNet]: 116 programPoint places, 484 predicate places. [2023-11-30 01:46:02,691 INFO L500 AbstractCegarLoop]: Abstraction has has 600 places, 2265 transitions, 227375 flow [2023-11-30 01:46:02,692 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:46:02,692 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:46:02,692 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] [2023-11-30 01:46:02,692 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2023-11-30 01:46:02,692 INFO L425 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2023-11-30 01:46:02,692 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:46:02,692 INFO L85 PathProgramCache]: Analyzing trace with hash 1005400530, now seen corresponding path program 45 times [2023-11-30 01:46:02,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:46:02,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61633431] [2023-11-30 01:46:02,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:46:02,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:46:02,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:46:02,987 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 01:46:02,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:46:02,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61633431] [2023-11-30 01:46:02,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61633431] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:46:02,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:46:02,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-30 01:46:02,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355875037] [2023-11-30 01:46:02,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:46:02,988 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-30 01:46:02,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:46:02,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-30 01:46:02,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-30 01:46:02,989 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 113 [2023-11-30 01:46:02,989 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 600 places, 2265 transitions, 227375 flow. Second operand has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:46:02,989 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:46:02,989 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 113 [2023-11-30 01:46:02,989 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:46:12,600 INFO L124 PetriNetUnfolderBase]: 2831/8308 cut-off events. [2023-11-30 01:46:12,600 INFO L125 PetriNetUnfolderBase]: For 1549870/1563624 co-relation queries the response was YES. [2023-11-30 01:46:12,622 INFO L83 FinitePrefix]: Finished finitePrefix Result has 334432 conditions, 8308 events. 2831/8308 cut-off events. For 1549870/1563624 co-relation queries the response was YES. Maximal size of possible extension queue 203. Compared 76289 event pairs, 118 based on Foata normal form. 133/8249 useless extension candidates. Maximal degree in co-relation 333914. Up to 4773 conditions per place. [2023-11-30 01:46:12,722 INFO L140 encePairwiseOnDemand]: 96/113 looper letters, 620 selfloop transitions, 28 changer transitions 1947/2651 dead transitions. [2023-11-30 01:46:12,722 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 610 places, 2651 transitions, 272713 flow [2023-11-30 01:46:12,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-30 01:46:12,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-30 01:46:12,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 914 transitions. [2023-11-30 01:46:12,724 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7353177795655672 [2023-11-30 01:46:12,724 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 914 transitions. [2023-11-30 01:46:12,724 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 914 transitions. [2023-11-30 01:46:12,724 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:46:12,724 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 914 transitions. [2023-11-30 01:46:12,725 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 83.0909090909091) internal successors, (914), 11 states have internal predecessors, (914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:46:12,726 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:46:12,726 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:46:12,726 INFO L307 CegarLoopForPetriNet]: 116 programPoint places, 494 predicate places. [2023-11-30 01:46:12,727 INFO L500 AbstractCegarLoop]: Abstraction has has 610 places, 2651 transitions, 272713 flow [2023-11-30 01:46:12,727 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:46:12,727 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:46:12,727 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] [2023-11-30 01:46:12,727 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2023-11-30 01:46:12,727 INFO L425 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2023-11-30 01:46:12,727 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:46:12,727 INFO L85 PathProgramCache]: Analyzing trace with hash 475698920, now seen corresponding path program 46 times [2023-11-30 01:46:12,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:46:12,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374530993] [2023-11-30 01:46:12,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:46:12,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:46:12,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:46:12,991 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 01:46:12,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:46:12,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374530993] [2023-11-30 01:46:12,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374530993] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:46:12,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:46:12,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-30 01:46:12,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349484068] [2023-11-30 01:46:12,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:46:12,992 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-30 01:46:12,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:46:12,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-30 01:46:12,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-30 01:46:12,993 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 113 [2023-11-30 01:46:12,993 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 610 places, 2651 transitions, 272713 flow. Second operand has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:46:12,993 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:46:12,993 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 113 [2023-11-30 01:46:12,994 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:46:24,941 INFO L124 PetriNetUnfolderBase]: 2831/8337 cut-off events. [2023-11-30 01:46:24,941 INFO L125 PetriNetUnfolderBase]: For 1615890/1629354 co-relation queries the response was YES. [2023-11-30 01:46:24,965 INFO L83 FinitePrefix]: Finished finitePrefix Result has 341552 conditions, 8337 events. 2831/8337 cut-off events. For 1615890/1629354 co-relation queries the response was YES. Maximal size of possible extension queue 203. Compared 76698 event pairs, 118 based on Foata normal form. 87/8232 useless extension candidates. Maximal degree in co-relation 341025. Up to 4786 conditions per place. [2023-11-30 01:46:25,246 INFO L140 encePairwiseOnDemand]: 96/113 looper letters, 597 selfloop transitions, 38 changer transitions 1973/2664 dead transitions. [2023-11-30 01:46:25,246 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 620 places, 2664 transitions, 279299 flow [2023-11-30 01:46:25,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-30 01:46:25,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-30 01:46:25,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 908 transitions. [2023-11-30 01:46:25,247 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7304907481898633 [2023-11-30 01:46:25,247 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 908 transitions. [2023-11-30 01:46:25,247 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 908 transitions. [2023-11-30 01:46:25,247 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:46:25,247 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 908 transitions. [2023-11-30 01:46:25,248 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 82.54545454545455) internal successors, (908), 11 states have internal predecessors, (908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:46:25,249 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:46:25,249 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:46:25,249 INFO L307 CegarLoopForPetriNet]: 116 programPoint places, 504 predicate places. [2023-11-30 01:46:25,249 INFO L500 AbstractCegarLoop]: Abstraction has has 620 places, 2664 transitions, 279299 flow [2023-11-30 01:46:25,249 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:46:25,249 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:46:25,249 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] [2023-11-30 01:46:25,250 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2023-11-30 01:46:25,250 INFO L425 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2023-11-30 01:46:25,250 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:46:25,250 INFO L85 PathProgramCache]: Analyzing trace with hash 1626363240, now seen corresponding path program 47 times [2023-11-30 01:46:25,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:46:25,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100976213] [2023-11-30 01:46:25,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:46:25,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:46:25,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:46:25,479 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 01:46:25,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:46:25,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100976213] [2023-11-30 01:46:25,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100976213] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:46:25,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:46:25,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-30 01:46:25,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011400126] [2023-11-30 01:46:25,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:46:25,480 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-30 01:46:25,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:46:25,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-30 01:46:25,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-30 01:46:25,481 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 113 [2023-11-30 01:46:25,481 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 620 places, 2664 transitions, 279299 flow. Second operand has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:46:25,481 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:46:25,481 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 113 [2023-11-30 01:46:25,481 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:46:35,389 INFO L124 PetriNetUnfolderBase]: 2235/6918 cut-off events. [2023-11-30 01:46:35,389 INFO L125 PetriNetUnfolderBase]: For 1403671/1418830 co-relation queries the response was YES. [2023-11-30 01:46:35,407 INFO L83 FinitePrefix]: Finished finitePrefix Result has 290677 conditions, 6918 events. 2235/6918 cut-off events. For 1403671/1418830 co-relation queries the response was YES. Maximal size of possible extension queue 139. Compared 62329 event pairs, 67 based on Foata normal form. 109/6923 useless extension candidates. Maximal degree in co-relation 290141. Up to 3778 conditions per place. [2023-11-30 01:46:35,485 INFO L140 encePairwiseOnDemand]: 96/113 looper letters, 327 selfloop transitions, 24 changer transitions 1916/2323 dead transitions. [2023-11-30 01:46:35,485 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 630 places, 2323 transitions, 246961 flow [2023-11-30 01:46:35,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-30 01:46:35,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-30 01:46:35,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 893 transitions. [2023-11-30 01:46:35,486 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7184231697506034 [2023-11-30 01:46:35,486 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 893 transitions. [2023-11-30 01:46:35,486 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 893 transitions. [2023-11-30 01:46:35,487 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:46:35,487 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 893 transitions. [2023-11-30 01:46:35,487 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 81.18181818181819) internal successors, (893), 11 states have internal predecessors, (893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:46:35,488 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:46:35,488 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:46:35,491 INFO L307 CegarLoopForPetriNet]: 116 programPoint places, 514 predicate places. [2023-11-30 01:46:35,491 INFO L500 AbstractCegarLoop]: Abstraction has has 630 places, 2323 transitions, 246961 flow [2023-11-30 01:46:35,491 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:46:35,491 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:46:35,491 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] [2023-11-30 01:46:35,491 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2023-11-30 01:46:35,491 INFO L425 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2023-11-30 01:46:35,491 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:46:35,491 INFO L85 PathProgramCache]: Analyzing trace with hash 1143040676, now seen corresponding path program 48 times [2023-11-30 01:46:35,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:46:35,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986646949] [2023-11-30 01:46:35,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:46:35,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:46:35,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:46:35,696 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 01:46:35,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:46:35,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986646949] [2023-11-30 01:46:35,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986646949] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:46:35,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:46:35,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-30 01:46:35,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829572820] [2023-11-30 01:46:35,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:46:35,696 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-30 01:46:35,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:46:35,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-30 01:46:35,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-30 01:46:35,697 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 113 [2023-11-30 01:46:35,698 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 630 places, 2323 transitions, 246961 flow. Second operand has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:46:35,698 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:46:35,698 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 113 [2023-11-30 01:46:35,698 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:46:42,513 INFO L124 PetriNetUnfolderBase]: 1557/5120 cut-off events. [2023-11-30 01:46:42,513 INFO L125 PetriNetUnfolderBase]: For 1123849/1137762 co-relation queries the response was YES. [2023-11-30 01:46:42,523 INFO L83 FinitePrefix]: Finished finitePrefix Result has 225300 conditions, 5120 events. 1557/5120 cut-off events. For 1123849/1137762 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 44744 event pairs, 16 based on Foata normal form. 106/5220 useless extension candidates. Maximal degree in co-relation 224755. Up to 2622 conditions per place. [2023-11-30 01:46:42,572 INFO L140 encePairwiseOnDemand]: 96/113 looper letters, 0 selfloop transitions, 0 changer transitions 1871/1871 dead transitions. [2023-11-30 01:46:42,572 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 636 places, 1871 transitions, 201063 flow [2023-11-30 01:46:42,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-30 01:46:42,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-30 01:46:42,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 896 transitions. [2023-11-30 01:46:42,573 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7208366854384554 [2023-11-30 01:46:42,573 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 896 transitions. [2023-11-30 01:46:42,573 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 896 transitions. [2023-11-30 01:46:42,574 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:46:42,574 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 896 transitions. [2023-11-30 01:46:42,574 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 81.45454545454545) internal successors, (896), 11 states have internal predecessors, (896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:46:42,575 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:46:42,575 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:46:42,575 INFO L307 CegarLoopForPetriNet]: 116 programPoint places, 520 predicate places. [2023-11-30 01:46:42,576 INFO L500 AbstractCegarLoop]: Abstraction has has 636 places, 1871 transitions, 201063 flow [2023-11-30 01:46:42,576 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:46:42,581 INFO L143 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/06-symbeq_15-list_entry_nr.i_BEv2_AllErrorsAtOnce [2023-11-30 01:46:42,734 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (12 of 13 remaining) [2023-11-30 01:46:42,734 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (11 of 13 remaining) [2023-11-30 01:46:42,734 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (10 of 13 remaining) [2023-11-30 01:46:42,734 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (9 of 13 remaining) [2023-11-30 01:46:42,735 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (8 of 13 remaining) [2023-11-30 01:46:42,735 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (7 of 13 remaining) [2023-11-30 01:46:42,735 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 13 remaining) [2023-11-30 01:46:42,735 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (5 of 13 remaining) [2023-11-30 01:46:42,735 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (4 of 13 remaining) [2023-11-30 01:46:42,735 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (3 of 13 remaining) [2023-11-30 01:46:42,735 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 13 remaining) [2023-11-30 01:46:42,735 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 13 remaining) [2023-11-30 01:46:42,735 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (0 of 13 remaining) [2023-11-30 01:46:42,736 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2023-11-30 01:46:42,736 INFO L457 BasicCegarLoop]: Path program histogram: [48, 2, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 01:46:42,741 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-30 01:46:42,741 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-11-30 01:46:42,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 01:46:42 BasicIcfg [2023-11-30 01:46:42,757 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-30 01:46:42,758 INFO L158 Benchmark]: Toolchain (without parser) took 284758.33ms. Allocated memory was 369.1MB in the beginning and 7.1GB in the end (delta: 6.7GB). Free memory was 319.5MB in the beginning and 5.6GB in the end (delta: -5.3GB). Peak memory consumption was 3.9GB. Max. memory is 16.0GB. [2023-11-30 01:46:42,758 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 369.1MB. Free memory is still 325.4MB. There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 01:46:42,758 INFO L158 Benchmark]: CACSL2BoogieTranslator took 587.71ms. Allocated memory is still 369.1MB. Free memory was 319.1MB in the beginning and 281.4MB in the end (delta: 37.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.0GB. [2023-11-30 01:46:42,758 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.51ms. Allocated memory was 369.1MB in the beginning and 453.0MB in the end (delta: 83.9MB). Free memory was 281.4MB in the beginning and 423.4MB in the end (delta: -142.0MB). Peak memory consumption was 11.2MB. Max. memory is 16.0GB. [2023-11-30 01:46:42,758 INFO L158 Benchmark]: Boogie Preprocessor took 29.44ms. Allocated memory is still 453.0MB. Free memory was 423.4MB in the beginning and 421.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 01:46:42,759 INFO L158 Benchmark]: RCFGBuilder took 450.28ms. Allocated memory is still 453.0MB. Free memory was 421.3MB in the beginning and 403.4MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. [2023-11-30 01:46:42,759 INFO L158 Benchmark]: TraceAbstraction took 283624.03ms. Allocated memory was 453.0MB in the beginning and 7.1GB in the end (delta: 6.6GB). Free memory was 402.4MB in the beginning and 5.6GB in the end (delta: -5.2GB). Peak memory consumption was 3.9GB. Max. memory is 16.0GB. [2023-11-30 01:46:42,761 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 369.1MB. Free memory is still 325.4MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 587.71ms. Allocated memory is still 369.1MB. Free memory was 319.1MB in the beginning and 281.4MB in the end (delta: 37.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 59.51ms. Allocated memory was 369.1MB in the beginning and 453.0MB in the end (delta: 83.9MB). Free memory was 281.4MB in the beginning and 423.4MB in the end (delta: -142.0MB). Peak memory consumption was 11.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 29.44ms. Allocated memory is still 453.0MB. Free memory was 423.4MB in the beginning and 421.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 450.28ms. Allocated memory is still 453.0MB. Free memory was 421.3MB in the beginning and 403.4MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. * TraceAbstraction took 283624.03ms. Allocated memory was 453.0MB in the beginning and 7.1GB in the end (delta: 6.6GB). Free memory was 402.4MB in the beginning and 5.6GB in the end (delta: -5.2GB). Peak memory consumption was 3.9GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1244]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1245]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1229]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1247]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1235]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1235]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1239]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1235]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1235]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 151 locations, 13 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 283.5s, OverallIterations: 57, TraceHistogramMax: 1, PathProgramHistogramMax: 48, EmptinessCheckTime: 0.0s, AutomataDifference: 259.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15172 SdHoareTripleChecker+Valid, 17.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15172 mSDsluCounter, 28642 SdHoareTripleChecker+Invalid, 14.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 22384 mSDsCounter, 157 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 30950 IncrementalHoareTripleChecker+Invalid, 31107 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 157 mSolverCounterUnsat, 6258 mSDtfsCounter, 30950 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1010 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 822 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 948 ImplicationChecksByTransitivity, 9.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=279299occurred in iteration=55, InterpolantAutomatonStates: 586, 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, 22.1s InterpolantComputationTime, 3716 NumberOfCodeBlocks, 3716 NumberOfCodeBlocksAsserted, 57 NumberOfCheckSat, 3659 ConstructedInterpolants, 0 QuantifiedInterpolants, 14604 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 57 InterpolantComputations, 57 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 9 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-30 01:46:42,781 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...