/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/09-regions_04-list2_nr.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-30 01:46:47,050 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-30 01:46:47,099 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 01:46:47,120 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-30 01:46:47,129 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-30 01:46:47,129 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-30 01:46:47,130 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-30 01:46:47,130 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-30 01:46:47,130 INFO L153 SettingsManager]: * Use SBE=true [2023-11-30 01:46:47,131 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-30 01:46:47,131 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-30 01:46:47,131 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-30 01:46:47,131 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-30 01:46:47,132 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-30 01:46:47,132 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-30 01:46:47,132 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-30 01:46:47,133 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-30 01:46:47,133 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-30 01:46:47,133 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-30 01:46:47,133 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-30 01:46:47,134 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-30 01:46:47,136 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-30 01:46:47,136 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-30 01:46:47,136 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-30 01:46:47,137 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-30 01:46:47,137 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 01:46:47,137 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-30 01:46:47,138 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-30 01:46:47,138 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-30 01:46:47,138 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-30 01:46:47,138 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-30 01:46:47,139 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-30 01:46:47,139 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-30 01:46:47,139 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2023-11-30 01:46:47,386 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-30 01:46:47,413 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-30 01:46:47,415 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-30 01:46:47,417 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-30 01:46:47,417 INFO L274 PluginConnector]: CDTParser initialized [2023-11-30 01:46:47,418 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/09-regions_04-list2_nr.i [2023-11-30 01:46:49,050 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-30 01:46:49,340 INFO L384 CDTParser]: Found 1 translation units. [2023-11-30 01:46:49,341 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/09-regions_04-list2_nr.i [2023-11-30 01:46:49,357 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50368811d/afa1def887c54ff7a03471097857c451/FLAG9795a971e [2023-11-30 01:46:49,370 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50368811d/afa1def887c54ff7a03471097857c451 [2023-11-30 01:46:49,372 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-30 01:46:49,375 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-30 01:46:49,377 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-30 01:46:49,377 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-30 01:46:49,381 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-30 01:46:49,381 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:46:49" (1/1) ... [2023-11-30 01:46:49,382 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10fb8f60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:46:49, skipping insertion in model container [2023-11-30 01:46:49,383 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:46:49" (1/1) ... [2023-11-30 01:46:49,430 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-30 01:46:49,866 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 01:46:49,878 INFO L202 MainTranslator]: Completed pre-run [2023-11-30 01:46:49,939 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 01:46:50,027 INFO L206 MainTranslator]: Completed translation [2023-11-30 01:46:50,028 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:46:50 WrapperNode [2023-11-30 01:46:50,028 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-30 01:46:50,029 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-30 01:46:50,029 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-30 01:46:50,029 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-30 01:46:50,034 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:46:50" (1/1) ... [2023-11-30 01:46:50,052 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:46:50" (1/1) ... [2023-11-30 01:46:50,080 INFO L138 Inliner]: procedures = 369, calls = 49, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 201 [2023-11-30 01:46:50,080 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-30 01:46:50,081 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-30 01:46:50,081 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-30 01:46:50,081 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-30 01:46:50,093 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:46:50" (1/1) ... [2023-11-30 01:46:50,093 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:46:50" (1/1) ... [2023-11-30 01:46:50,099 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:46:50" (1/1) ... [2023-11-30 01:46:50,099 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:46:50" (1/1) ... [2023-11-30 01:46:50,115 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:46:50" (1/1) ... [2023-11-30 01:46:50,117 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:46:50" (1/1) ... [2023-11-30 01:46:50,119 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:46:50" (1/1) ... [2023-11-30 01:46:50,121 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:46:50" (1/1) ... [2023-11-30 01:46:50,125 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-30 01:46:50,125 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-30 01:46:50,125 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-30 01:46:50,126 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-30 01:46:50,126 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:46:50" (1/1) ... [2023-11-30 01:46:50,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 01:46:50,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 01:46:50,151 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 01:46:50,164 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 01:46:50,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-30 01:46:50,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-30 01:46:50,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-30 01:46:50,195 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-30 01:46:50,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-30 01:46:50,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-30 01:46:50,195 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-30 01:46:50,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-30 01:46:50,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-30 01:46:50,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-30 01:46:50,195 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-30 01:46:50,196 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-30 01:46:50,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-30 01:46:50,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-30 01:46:50,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-30 01:46:50,197 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 01:46:50,345 INFO L241 CfgBuilder]: Building ICFG [2023-11-30 01:46:50,347 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-30 01:46:50,786 INFO L282 CfgBuilder]: Performing block encoding [2023-11-30 01:46:50,814 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-30 01:46:50,815 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-30 01:46:50,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:46:50 BoogieIcfgContainer [2023-11-30 01:46:50,816 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-30 01:46:50,818 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-30 01:46:50,818 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-30 01:46:50,823 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-30 01:46:50,823 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 01:46:49" (1/3) ... [2023-11-30 01:46:50,824 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bc90ae9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:46:50, skipping insertion in model container [2023-11-30 01:46:50,824 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:46:50" (2/3) ... [2023-11-30 01:46:50,824 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bc90ae9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:46:50, skipping insertion in model container [2023-11-30 01:46:50,824 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:46:50" (3/3) ... [2023-11-30 01:46:50,825 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_04-list2_nr.i [2023-11-30 01:46:50,841 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-30 01:46:50,842 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2023-11-30 01:46:50,842 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-30 01:46:50,942 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-30 01:46:50,998 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 307 places, 303 transitions, 610 flow [2023-11-30 01:46:51,138 INFO L124 PetriNetUnfolderBase]: 0/302 cut-off events. [2023-11-30 01:46:51,139 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 01:46:51,143 INFO L83 FinitePrefix]: Finished finitePrefix Result has 306 conditions, 302 events. 0/302 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 161 event pairs, 0 based on Foata normal form. 0/272 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-11-30 01:46:51,144 INFO L82 GeneralOperation]: Start removeDead. Operand has 307 places, 303 transitions, 610 flow [2023-11-30 01:46:51,159 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 306 places, 302 transitions, 607 flow [2023-11-30 01:46:51,177 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-30 01:46:51,184 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;@1de240b8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-30 01:46:51,184 INFO L363 AbstractCegarLoop]: Starting to check reachability of 39 error locations. [2023-11-30 01:46:51,194 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-30 01:46:51,194 INFO L124 PetriNetUnfolderBase]: 0/34 cut-off events. [2023-11-30 01:46:51,194 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 01:46:51,194 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:46:51,195 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] [2023-11-30 01:46:51,197 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-11-30 01:46:51,202 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:46:51,202 INFO L85 PathProgramCache]: Analyzing trace with hash -1580613652, now seen corresponding path program 1 times [2023-11-30 01:46:51,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:46:51,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012117816] [2023-11-30 01:46:51,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:46:51,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:46:51,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:46:51,894 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 01:46:51,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:46:51,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012117816] [2023-11-30 01:46:51,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012117816] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:46:51,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:46:51,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 01:46:51,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612871831] [2023-11-30 01:46:51,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:46:51,904 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 01:46:51,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:46:51,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 01:46:51,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 01:46:51,934 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 303 [2023-11-30 01:46:51,940 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 306 places, 302 transitions, 607 flow. Second operand has 6 states, 6 states have (on average 147.5) internal successors, (885), 6 states have internal predecessors, (885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:46:51,940 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:46:51,941 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 303 [2023-11-30 01:46:51,942 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:46:53,043 INFO L124 PetriNetUnfolderBase]: 1120/3481 cut-off events. [2023-11-30 01:46:53,043 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-30 01:46:53,052 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5879 conditions, 3481 events. 1120/3481 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 22401 event pairs, 1120 based on Foata normal form. 0/3064 useless extension candidates. Maximal degree in co-relation 5620. Up to 2374 conditions per place. [2023-11-30 01:46:53,068 INFO L140 encePairwiseOnDemand]: 279/303 looper letters, 133 selfloop transitions, 20 changer transitions 0/298 dead transitions. [2023-11-30 01:46:53,069 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 298 transitions, 905 flow [2023-11-30 01:46:53,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 01:46:53,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 01:46:53,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1033 transitions. [2023-11-30 01:46:53,083 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5682068206820682 [2023-11-30 01:46:53,084 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1033 transitions. [2023-11-30 01:46:53,084 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1033 transitions. [2023-11-30 01:46:53,086 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:46:53,088 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1033 transitions. [2023-11-30 01:46:53,093 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 172.16666666666666) internal successors, (1033), 6 states have internal predecessors, (1033), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:46:53,099 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 303.0) internal successors, (2121), 7 states have internal predecessors, (2121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:46:53,100 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 303.0) internal successors, (2121), 7 states have internal predecessors, (2121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:46:53,103 INFO L307 CegarLoopForPetriNet]: 306 programPoint places, 1 predicate places. [2023-11-30 01:46:53,103 INFO L500 AbstractCegarLoop]: Abstraction has has 307 places, 298 transitions, 905 flow [2023-11-30 01:46:53,104 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 147.5) internal successors, (885), 6 states have internal predecessors, (885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:46:53,104 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:46:53,104 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] [2023-11-30 01:46:53,104 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-30 01:46:53,104 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-11-30 01:46:53,105 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:46:53,105 INFO L85 PathProgramCache]: Analyzing trace with hash 155667242, now seen corresponding path program 1 times [2023-11-30 01:46:53,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:46:53,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821395115] [2023-11-30 01:46:53,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:46:53,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:46:53,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:46:53,498 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 01:46:53,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:46:53,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821395115] [2023-11-30 01:46:53,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821395115] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:46:53,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:46:53,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 01:46:53,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212994690] [2023-11-30 01:46:53,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:46:53,500 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 01:46:53,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:46:53,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 01:46:53,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 01:46:53,504 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 303 [2023-11-30 01:46:53,505 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 307 places, 298 transitions, 905 flow. Second operand has 6 states, 6 states have (on average 148.5) internal successors, (891), 6 states have internal predecessors, (891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:46:53,505 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:46:53,505 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 303 [2023-11-30 01:46:53,505 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:46:54,337 INFO L124 PetriNetUnfolderBase]: 1120/3477 cut-off events. [2023-11-30 01:46:54,338 INFO L125 PetriNetUnfolderBase]: For 303/431 co-relation queries the response was YES. [2023-11-30 01:46:54,342 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8261 conditions, 3477 events. 1120/3477 cut-off events. For 303/431 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 22431 event pairs, 1120 based on Foata normal form. 0/3064 useless extension candidates. Maximal degree in co-relation 7928. Up to 2370 conditions per place. [2023-11-30 01:46:54,356 INFO L140 encePairwiseOnDemand]: 279/303 looper letters, 129 selfloop transitions, 20 changer transitions 0/294 dead transitions. [2023-11-30 01:46:54,356 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 308 places, 294 transitions, 1187 flow [2023-11-30 01:46:54,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 01:46:54,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 01:46:54,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1029 transitions. [2023-11-30 01:46:54,359 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.566006600660066 [2023-11-30 01:46:54,359 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1029 transitions. [2023-11-30 01:46:54,359 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1029 transitions. [2023-11-30 01:46:54,360 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:46:54,360 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1029 transitions. [2023-11-30 01:46:54,362 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 171.5) internal successors, (1029), 6 states have internal predecessors, (1029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:46:54,365 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 303.0) internal successors, (2121), 7 states have internal predecessors, (2121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:46:54,366 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 303.0) internal successors, (2121), 7 states have internal predecessors, (2121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:46:54,367 INFO L307 CegarLoopForPetriNet]: 306 programPoint places, 2 predicate places. [2023-11-30 01:46:54,367 INFO L500 AbstractCegarLoop]: Abstraction has has 308 places, 294 transitions, 1187 flow [2023-11-30 01:46:54,368 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 148.5) internal successors, (891), 6 states have internal predecessors, (891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:46:54,368 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:46:54,368 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] [2023-11-30 01:46:54,368 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-30 01:46:54,369 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-11-30 01:46:54,369 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:46:54,370 INFO L85 PathProgramCache]: Analyzing trace with hash -1678364422, now seen corresponding path program 1 times [2023-11-30 01:46:54,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:46:54,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416976493] [2023-11-30 01:46:54,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:46:54,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:46:54,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:46:54,504 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 01:46:54,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:46:54,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416976493] [2023-11-30 01:46:54,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416976493] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:46:54,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:46:54,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 01:46:54,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818153297] [2023-11-30 01:46:54,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:46:54,507 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 01:46:54,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:46:54,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 01:46:54,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 01:46:54,510 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 275 out of 303 [2023-11-30 01:46:54,512 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 308 places, 294 transitions, 1187 flow. Second operand has 3 states, 3 states have (on average 276.3333333333333) internal successors, (829), 3 states have internal predecessors, (829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:46:54,513 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:46:54,514 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 275 of 303 [2023-11-30 01:46:54,515 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:46:55,179 INFO L124 PetriNetUnfolderBase]: 1160/3637 cut-off events. [2023-11-30 01:46:55,183 INFO L125 PetriNetUnfolderBase]: For 811/929 co-relation queries the response was YES. [2023-11-30 01:46:55,189 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9098 conditions, 3637 events. 1160/3637 cut-off events. For 811/929 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 23718 event pairs, 1160 based on Foata normal form. 0/3194 useless extension candidates. Maximal degree in co-relation 8753. Up to 2506 conditions per place. [2023-11-30 01:46:55,206 INFO L140 encePairwiseOnDemand]: 300/303 looper letters, 25 selfloop transitions, 2 changer transitions 0/293 dead transitions. [2023-11-30 01:46:55,206 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 309 places, 293 transitions, 1239 flow [2023-11-30 01:46:55,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 01:46:55,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 01:46:55,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 853 transitions. [2023-11-30 01:46:55,209 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9383938393839384 [2023-11-30 01:46:55,209 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 853 transitions. [2023-11-30 01:46:55,209 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 853 transitions. [2023-11-30 01:46:55,209 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:46:55,210 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 853 transitions. [2023-11-30 01:46:55,212 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 284.3333333333333) internal successors, (853), 3 states have internal predecessors, (853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:46:55,214 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 303.0) internal successors, (1212), 4 states have internal predecessors, (1212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:46:55,214 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 303.0) internal successors, (1212), 4 states have internal predecessors, (1212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:46:55,215 INFO L307 CegarLoopForPetriNet]: 306 programPoint places, 3 predicate places. [2023-11-30 01:46:55,216 INFO L500 AbstractCegarLoop]: Abstraction has has 309 places, 293 transitions, 1239 flow [2023-11-30 01:46:55,216 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 276.3333333333333) internal successors, (829), 3 states have internal predecessors, (829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:46:55,216 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:46:55,216 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] [2023-11-30 01:46:55,217 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-30 01:46:55,217 INFO L425 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-11-30 01:46:55,217 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:46:55,217 INFO L85 PathProgramCache]: Analyzing trace with hash 1681307049, now seen corresponding path program 1 times [2023-11-30 01:46:55,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:46:55,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540963759] [2023-11-30 01:46:55,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:46:55,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:46:55,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:46:55,346 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 01:46:55,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:46:55,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540963759] [2023-11-30 01:46:55,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540963759] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:46:55,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:46:55,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 01:46:55,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774066616] [2023-11-30 01:46:55,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:46:55,347 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 01:46:55,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:46:55,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 01:46:55,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 01:46:55,349 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 279 out of 303 [2023-11-30 01:46:55,350 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 309 places, 293 transitions, 1239 flow. Second operand has 3 states, 3 states have (on average 280.3333333333333) internal successors, (841), 3 states have internal predecessors, (841), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:46:55,350 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:46:55,350 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 279 of 303 [2023-11-30 01:46:55,350 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:46:55,957 INFO L124 PetriNetUnfolderBase]: 1146/3558 cut-off events. [2023-11-30 01:46:55,957 INFO L125 PetriNetUnfolderBase]: For 1517/1643 co-relation queries the response was YES. [2023-11-30 01:46:55,961 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9261 conditions, 3558 events. 1146/3558 cut-off events. For 1517/1643 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 23032 event pairs, 1146 based on Foata normal form. 0/3142 useless extension candidates. Maximal degree in co-relation 8912. Up to 2474 conditions per place. [2023-11-30 01:46:55,974 INFO L140 encePairwiseOnDemand]: 298/303 looper letters, 18 selfloop transitions, 1 changer transitions 0/289 dead transitions. [2023-11-30 01:46:55,975 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 289 transitions, 1261 flow [2023-11-30 01:46:55,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 01:46:55,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 01:46:55,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 860 transitions. [2023-11-30 01:46:55,978 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9460946094609461 [2023-11-30 01:46:55,978 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 860 transitions. [2023-11-30 01:46:55,978 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 860 transitions. [2023-11-30 01:46:55,978 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:46:55,978 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 860 transitions. [2023-11-30 01:46:55,980 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 286.6666666666667) internal successors, (860), 3 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:46:55,982 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 303.0) internal successors, (1212), 4 states have internal predecessors, (1212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:46:55,983 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 303.0) internal successors, (1212), 4 states have internal predecessors, (1212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:46:55,983 INFO L307 CegarLoopForPetriNet]: 306 programPoint places, 1 predicate places. [2023-11-30 01:46:55,983 INFO L500 AbstractCegarLoop]: Abstraction has has 307 places, 289 transitions, 1261 flow [2023-11-30 01:46:55,984 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 280.3333333333333) internal successors, (841), 3 states have internal predecessors, (841), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:46:55,984 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:46:55,984 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 01:46:55,984 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-30 01:46:55,985 INFO L425 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-11-30 01:46:55,985 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:46:55,985 INFO L85 PathProgramCache]: Analyzing trace with hash -838934533, now seen corresponding path program 1 times [2023-11-30 01:46:55,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:46:55,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258553337] [2023-11-30 01:46:55,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:46:55,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:46:56,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:46:56,423 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 01:46:56,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:46:56,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258553337] [2023-11-30 01:46:56,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258553337] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:46:56,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:46:56,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 01:46:56,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270223384] [2023-11-30 01:46:56,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:46:56,425 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 01:46:56,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:46:56,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 01:46:56,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 01:46:56,428 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 303 [2023-11-30 01:46:56,430 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 307 places, 289 transitions, 1261 flow. Second operand has 6 states, 6 states have (on average 169.16666666666666) internal successors, (1015), 6 states have internal predecessors, (1015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:46:56,430 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:46:56,430 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 303 [2023-11-30 01:46:56,430 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:46:57,365 INFO L124 PetriNetUnfolderBase]: 1252/3784 cut-off events. [2023-11-30 01:46:57,366 INFO L125 PetriNetUnfolderBase]: For 2615/2857 co-relation queries the response was YES. [2023-11-30 01:46:57,371 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12417 conditions, 3784 events. 1252/3784 cut-off events. For 2615/2857 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 24392 event pairs, 1252 based on Foata normal form. 0/3347 useless extension candidates. Maximal degree in co-relation 12011. Up to 2691 conditions per place. [2023-11-30 01:46:57,389 INFO L140 encePairwiseOnDemand]: 297/303 looper letters, 125 selfloop transitions, 5 changer transitions 0/288 dead transitions. [2023-11-30 01:46:57,389 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 311 places, 288 transitions, 1515 flow [2023-11-30 01:46:57,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 01:46:57,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 01:46:57,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1115 transitions. [2023-11-30 01:46:57,392 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6133113311331133 [2023-11-30 01:46:57,392 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1115 transitions. [2023-11-30 01:46:57,392 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1115 transitions. [2023-11-30 01:46:57,393 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:46:57,393 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1115 transitions. [2023-11-30 01:46:57,395 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 185.83333333333334) internal successors, (1115), 6 states have internal predecessors, (1115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:46:57,398 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 303.0) internal successors, (2121), 7 states have internal predecessors, (2121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:46:57,398 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 303.0) internal successors, (2121), 7 states have internal predecessors, (2121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:46:57,399 INFO L307 CegarLoopForPetriNet]: 306 programPoint places, 5 predicate places. [2023-11-30 01:46:57,399 INFO L500 AbstractCegarLoop]: Abstraction has has 311 places, 288 transitions, 1515 flow [2023-11-30 01:46:57,400 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 169.16666666666666) internal successors, (1015), 6 states have internal predecessors, (1015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:46:57,400 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:46:57,400 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 01:46:57,400 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-30 01:46:57,400 INFO L425 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-11-30 01:46:57,401 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:46:57,401 INFO L85 PathProgramCache]: Analyzing trace with hash 1585958016, now seen corresponding path program 1 times [2023-11-30 01:46:57,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:46:57,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418191818] [2023-11-30 01:46:57,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:46:57,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:46:57,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:46:57,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 01:46:57,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:46:57,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418191818] [2023-11-30 01:46:57,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418191818] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:46:57,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:46:57,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 01:46:57,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11090349] [2023-11-30 01:46:57,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:46:57,468 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 01:46:57,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:46:57,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 01:46:57,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 01:46:57,470 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 275 out of 303 [2023-11-30 01:46:57,471 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 311 places, 288 transitions, 1515 flow. Second operand has 3 states, 3 states have (on average 276.3333333333333) internal successors, (829), 3 states have internal predecessors, (829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:46:57,471 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:46:57,471 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 275 of 303 [2023-11-30 01:46:57,471 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:46:58,215 INFO L124 PetriNetUnfolderBase]: 1288/3879 cut-off events. [2023-11-30 01:46:58,215 INFO L125 PetriNetUnfolderBase]: For 4309/4556 co-relation queries the response was YES. [2023-11-30 01:46:58,222 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13294 conditions, 3879 events. 1288/3879 cut-off events. For 4309/4556 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 25263 event pairs, 1288 based on Foata normal form. 0/3417 useless extension candidates. Maximal degree in co-relation 12876. Up to 2772 conditions per place. [2023-11-30 01:46:58,239 INFO L140 encePairwiseOnDemand]: 300/303 looper letters, 25 selfloop transitions, 2 changer transitions 0/287 dead transitions. [2023-11-30 01:46:58,239 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 312 places, 287 transitions, 1567 flow [2023-11-30 01:46:58,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 01:46:58,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 01:46:58,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 853 transitions. [2023-11-30 01:46:58,241 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9383938393839384 [2023-11-30 01:46:58,241 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 853 transitions. [2023-11-30 01:46:58,242 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 853 transitions. [2023-11-30 01:46:58,242 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:46:58,242 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 853 transitions. [2023-11-30 01:46:58,245 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 284.3333333333333) internal successors, (853), 3 states have internal predecessors, (853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:46:58,247 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 303.0) internal successors, (1212), 4 states have internal predecessors, (1212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:46:58,247 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 303.0) internal successors, (1212), 4 states have internal predecessors, (1212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:46:58,249 INFO L307 CegarLoopForPetriNet]: 306 programPoint places, 6 predicate places. [2023-11-30 01:46:58,250 INFO L500 AbstractCegarLoop]: Abstraction has has 312 places, 287 transitions, 1567 flow [2023-11-30 01:46:58,250 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 276.3333333333333) internal successors, (829), 3 states have internal predecessors, (829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:46:58,250 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:46:58,250 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 01:46:58,250 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-30 01:46:58,250 INFO L425 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-11-30 01:46:58,251 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:46:58,251 INFO L85 PathProgramCache]: Analyzing trace with hash 97049812, now seen corresponding path program 1 times [2023-11-30 01:46:58,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:46:58,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213236443] [2023-11-30 01:46:58,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:46:58,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:46:58,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:46:58,320 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 01:46:58,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:46:58,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213236443] [2023-11-30 01:46:58,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213236443] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:46:58,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:46:58,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 01:46:58,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634842623] [2023-11-30 01:46:58,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:46:58,324 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 01:46:58,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:46:58,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 01:46:58,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 01:46:58,326 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 279 out of 303 [2023-11-30 01:46:58,327 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 312 places, 287 transitions, 1567 flow. Second operand has 3 states, 3 states have (on average 280.3333333333333) internal successors, (841), 3 states have internal predecessors, (841), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:46:58,327 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:46:58,327 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 279 of 303 [2023-11-30 01:46:58,327 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:46:59,034 INFO L124 PetriNetUnfolderBase]: 1274/3803 cut-off events. [2023-11-30 01:46:59,035 INFO L125 PetriNetUnfolderBase]: For 5770/6036 co-relation queries the response was YES. [2023-11-30 01:46:59,042 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13469 conditions, 3803 events. 1274/3803 cut-off events. For 5770/6036 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 24544 event pairs, 1274 based on Foata normal form. 0/3384 useless extension candidates. Maximal degree in co-relation 13047. Up to 2745 conditions per place. [2023-11-30 01:46:59,059 INFO L140 encePairwiseOnDemand]: 298/303 looper letters, 18 selfloop transitions, 1 changer transitions 0/283 dead transitions. [2023-11-30 01:46:59,059 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 310 places, 283 transitions, 1589 flow [2023-11-30 01:46:59,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 01:46:59,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 01:46:59,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 860 transitions. [2023-11-30 01:46:59,062 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9460946094609461 [2023-11-30 01:46:59,062 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 860 transitions. [2023-11-30 01:46:59,062 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 860 transitions. [2023-11-30 01:46:59,063 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:46:59,063 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 860 transitions. [2023-11-30 01:46:59,064 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 286.6666666666667) internal successors, (860), 3 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:46:59,066 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 303.0) internal successors, (1212), 4 states have internal predecessors, (1212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:46:59,066 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 303.0) internal successors, (1212), 4 states have internal predecessors, (1212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:46:59,067 INFO L307 CegarLoopForPetriNet]: 306 programPoint places, 4 predicate places. [2023-11-30 01:46:59,067 INFO L500 AbstractCegarLoop]: Abstraction has has 310 places, 283 transitions, 1589 flow [2023-11-30 01:46:59,067 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 280.3333333333333) internal successors, (841), 3 states have internal predecessors, (841), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:46:59,067 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:46:59,068 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:46:59,068 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-30 01:46:59,068 INFO L425 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-11-30 01:46:59,068 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:46:59,068 INFO L85 PathProgramCache]: Analyzing trace with hash 1750619469, now seen corresponding path program 1 times [2023-11-30 01:46:59,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:46:59,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819296396] [2023-11-30 01:46:59,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:46:59,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:46:59,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:46:59,885 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 01:46:59,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:46:59,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819296396] [2023-11-30 01:46:59,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819296396] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:46:59,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:46:59,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 01:46:59,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404334343] [2023-11-30 01:46:59,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:46:59,886 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 01:46:59,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:46:59,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 01:46:59,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 01:46:59,888 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 303 [2023-11-30 01:46:59,889 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 310 places, 283 transitions, 1589 flow. Second operand has 6 states, 6 states have (on average 173.33333333333334) internal successors, (1040), 6 states have internal predecessors, (1040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:46:59,889 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:46:59,889 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 303 [2023-11-30 01:46:59,890 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:47:00,749 INFO L124 PetriNetUnfolderBase]: 1344/3934 cut-off events. [2023-11-30 01:47:00,749 INFO L125 PetriNetUnfolderBase]: For 7712/7952 co-relation queries the response was YES. [2023-11-30 01:47:00,755 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16657 conditions, 3934 events. 1344/3934 cut-off events. For 7712/7952 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 25268 event pairs, 1344 based on Foata normal form. 0/3508 useless extension candidates. Maximal degree in co-relation 16180. Up to 2816 conditions per place. [2023-11-30 01:47:00,771 INFO L140 encePairwiseOnDemand]: 297/303 looper letters, 124 selfloop transitions, 5 changer transitions 0/282 dead transitions. [2023-11-30 01:47:00,771 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 314 places, 282 transitions, 1839 flow [2023-11-30 01:47:00,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 01:47:00,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 01:47:00,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1114 transitions. [2023-11-30 01:47:00,774 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6127612761276128 [2023-11-30 01:47:00,775 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1114 transitions. [2023-11-30 01:47:00,775 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1114 transitions. [2023-11-30 01:47:00,775 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:47:00,775 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1114 transitions. [2023-11-30 01:47:00,777 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 185.66666666666666) internal successors, (1114), 6 states have internal predecessors, (1114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:47:00,780 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 303.0) internal successors, (2121), 7 states have internal predecessors, (2121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:47:00,780 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 303.0) internal successors, (2121), 7 states have internal predecessors, (2121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:47:00,783 INFO L307 CegarLoopForPetriNet]: 306 programPoint places, 8 predicate places. [2023-11-30 01:47:00,783 INFO L500 AbstractCegarLoop]: Abstraction has has 314 places, 282 transitions, 1839 flow [2023-11-30 01:47:00,783 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 173.33333333333334) internal successors, (1040), 6 states have internal predecessors, (1040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:47:00,784 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:47:00,784 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:47:00,784 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-30 01:47:00,784 INFO L425 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-11-30 01:47:00,784 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:47:00,784 INFO L85 PathProgramCache]: Analyzing trace with hash -1016776602, now seen corresponding path program 1 times [2023-11-30 01:47:00,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:47:00,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135693867] [2023-11-30 01:47:00,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:47:00,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:47:00,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:47:01,548 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 01:47:01,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:47:01,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135693867] [2023-11-30 01:47:01,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135693867] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:47:01,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:47:01,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 01:47:01,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150582776] [2023-11-30 01:47:01,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:47:01,550 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 01:47:01,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:47:01,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 01:47:01,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 01:47:01,552 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 303 [2023-11-30 01:47:01,553 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 314 places, 282 transitions, 1839 flow. Second operand has 6 states, 6 states have (on average 178.33333333333334) internal successors, (1070), 6 states have internal predecessors, (1070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:47:01,553 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:47:01,553 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 303 [2023-11-30 01:47:01,553 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:47:03,064 INFO L124 PetriNetUnfolderBase]: 2056/6033 cut-off events. [2023-11-30 01:47:03,065 INFO L125 PetriNetUnfolderBase]: For 16092/16719 co-relation queries the response was YES. [2023-11-30 01:47:03,075 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29406 conditions, 6033 events. 2056/6033 cut-off events. For 16092/16719 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 45371 event pairs, 387 based on Foata normal form. 0/5452 useless extension candidates. Maximal degree in co-relation 28873. Up to 4263 conditions per place. [2023-11-30 01:47:03,103 INFO L140 encePairwiseOnDemand]: 284/303 looper letters, 251 selfloop transitions, 38 changer transitions 0/446 dead transitions. [2023-11-30 01:47:03,104 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 318 places, 446 transitions, 4193 flow [2023-11-30 01:47:03,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 01:47:03,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 01:47:03,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1299 transitions. [2023-11-30 01:47:03,107 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7145214521452146 [2023-11-30 01:47:03,107 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1299 transitions. [2023-11-30 01:47:03,107 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1299 transitions. [2023-11-30 01:47:03,108 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:47:03,108 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1299 transitions. [2023-11-30 01:47:03,110 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 216.5) internal successors, (1299), 6 states have internal predecessors, (1299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:47:03,112 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 303.0) internal successors, (2121), 7 states have internal predecessors, (2121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:47:03,113 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 303.0) internal successors, (2121), 7 states have internal predecessors, (2121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:47:03,113 INFO L307 CegarLoopForPetriNet]: 306 programPoint places, 12 predicate places. [2023-11-30 01:47:03,114 INFO L500 AbstractCegarLoop]: Abstraction has has 318 places, 446 transitions, 4193 flow [2023-11-30 01:47:03,114 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 178.33333333333334) internal successors, (1070), 6 states have internal predecessors, (1070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:47:03,114 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:47:03,114 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:47:03,114 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-30 01:47:03,114 INFO L425 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-11-30 01:47:03,115 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:47:03,115 INFO L85 PathProgramCache]: Analyzing trace with hash 205793482, now seen corresponding path program 1 times [2023-11-30 01:47:03,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:47:03,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840652900] [2023-11-30 01:47:03,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:47:03,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:47:03,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:47:03,727 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 01:47:03,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:47:03,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840652900] [2023-11-30 01:47:03,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840652900] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:47:03,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:47:03,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 01:47:03,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485168154] [2023-11-30 01:47:03,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:47:03,733 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 01:47:03,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:47:03,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 01:47:03,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 01:47:03,735 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 303 [2023-11-30 01:47:03,736 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 318 places, 446 transitions, 4193 flow. Second operand has 6 states, 6 states have (on average 180.66666666666666) internal successors, (1084), 6 states have internal predecessors, (1084), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:47:03,736 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:47:03,736 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 303 [2023-11-30 01:47:03,737 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:47:05,214 INFO L124 PetriNetUnfolderBase]: 2133/6159 cut-off events. [2023-11-30 01:47:05,214 INFO L125 PetriNetUnfolderBase]: For 22031/22979 co-relation queries the response was YES. [2023-11-30 01:47:05,226 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34040 conditions, 6159 events. 2133/6159 cut-off events. For 22031/22979 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 46212 event pairs, 298 based on Foata normal form. 0/5587 useless extension candidates. Maximal degree in co-relation 33455. Up to 4312 conditions per place. [2023-11-30 01:47:05,261 INFO L140 encePairwiseOnDemand]: 297/303 looper letters, 385 selfloop transitions, 5 changer transitions 0/553 dead transitions. [2023-11-30 01:47:05,261 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 322 places, 553 transitions, 6385 flow [2023-11-30 01:47:05,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 01:47:05,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 01:47:05,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1250 transitions. [2023-11-30 01:47:05,264 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6875687568756875 [2023-11-30 01:47:05,264 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1250 transitions. [2023-11-30 01:47:05,264 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1250 transitions. [2023-11-30 01:47:05,265 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:47:05,265 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1250 transitions. [2023-11-30 01:47:05,267 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 208.33333333333334) internal successors, (1250), 6 states have internal predecessors, (1250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:47:05,269 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 303.0) internal successors, (2121), 7 states have internal predecessors, (2121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:47:05,270 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 303.0) internal successors, (2121), 7 states have internal predecessors, (2121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:47:05,270 INFO L307 CegarLoopForPetriNet]: 306 programPoint places, 16 predicate places. [2023-11-30 01:47:05,270 INFO L500 AbstractCegarLoop]: Abstraction has has 322 places, 553 transitions, 6385 flow [2023-11-30 01:47:05,271 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 180.66666666666666) internal successors, (1084), 6 states have internal predecessors, (1084), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:47:05,271 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:47:05,271 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:47:05,271 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-30 01:47:05,271 INFO L425 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-11-30 01:47:05,271 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:47:05,272 INFO L85 PathProgramCache]: Analyzing trace with hash -1569864510, now seen corresponding path program 1 times [2023-11-30 01:47:05,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:47:05,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399401414] [2023-11-30 01:47:05,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:47:05,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:47:05,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:47:05,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 01:47:05,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:47:05,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399401414] [2023-11-30 01:47:05,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399401414] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:47:05,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:47:05,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 01:47:05,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171613418] [2023-11-30 01:47:05,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:47:05,925 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 01:47:05,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:47:05,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 01:47:05,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 01:47:05,927 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 303 [2023-11-30 01:47:05,928 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 322 places, 553 transitions, 6385 flow. Second operand has 6 states, 6 states have (on average 173.83333333333334) internal successors, (1043), 6 states have internal predecessors, (1043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:47:05,928 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:47:05,928 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 303 [2023-11-30 01:47:05,928 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:47:07,886 INFO L124 PetriNetUnfolderBase]: 2884/7942 cut-off events. [2023-11-30 01:47:07,886 INFO L125 PetriNetUnfolderBase]: For 38754/40090 co-relation queries the response was YES. [2023-11-30 01:47:07,899 INFO L83 FinitePrefix]: Finished finitePrefix Result has 49224 conditions, 7942 events. 2884/7942 cut-off events. For 38754/40090 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 61775 event pairs, 442 based on Foata normal form. 8/7318 useless extension candidates. Maximal degree in co-relation 48580. Up to 5511 conditions per place. [2023-11-30 01:47:07,942 INFO L140 encePairwiseOnDemand]: 281/303 looper letters, 547 selfloop transitions, 112 changer transitions 0/818 dead transitions. [2023-11-30 01:47:07,942 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 327 places, 818 transitions, 11645 flow [2023-11-30 01:47:07,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 01:47:07,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 01:47:07,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1274 transitions. [2023-11-30 01:47:07,945 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7007700770077008 [2023-11-30 01:47:07,945 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1274 transitions. [2023-11-30 01:47:07,945 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1274 transitions. [2023-11-30 01:47:07,946 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:47:07,946 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1274 transitions. [2023-11-30 01:47:07,948 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 212.33333333333334) internal successors, (1274), 6 states have internal predecessors, (1274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:47:07,950 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 303.0) internal successors, (2121), 7 states have internal predecessors, (2121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:47:07,962 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 303.0) internal successors, (2121), 7 states have internal predecessors, (2121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:47:07,962 INFO L307 CegarLoopForPetriNet]: 306 programPoint places, 21 predicate places. [2023-11-30 01:47:07,962 INFO L500 AbstractCegarLoop]: Abstraction has has 327 places, 818 transitions, 11645 flow [2023-11-30 01:47:07,963 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 173.83333333333334) internal successors, (1043), 6 states have internal predecessors, (1043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:47:07,963 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:47:07,963 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:47:07,963 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-30 01:47:07,963 INFO L425 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-11-30 01:47:07,964 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:47:07,964 INFO L85 PathProgramCache]: Analyzing trace with hash -11308849, now seen corresponding path program 1 times [2023-11-30 01:47:07,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:47:07,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344973795] [2023-11-30 01:47:07,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:47:07,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:47:08,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:47:08,636 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 01:47:08,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:47:08,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344973795] [2023-11-30 01:47:08,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344973795] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:47:08,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:47:08,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 01:47:08,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217274300] [2023-11-30 01:47:08,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:47:08,637 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 01:47:08,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:47:08,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 01:47:08,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 01:47:08,639 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 303 [2023-11-30 01:47:08,640 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 327 places, 818 transitions, 11645 flow. Second operand has 6 states, 6 states have (on average 179.83333333333334) internal successors, (1079), 6 states have internal predecessors, (1079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:47:08,640 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:47:08,640 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 303 [2023-11-30 01:47:08,640 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:47:10,680 INFO L124 PetriNetUnfolderBase]: 3195/8633 cut-off events. [2023-11-30 01:47:10,680 INFO L125 PetriNetUnfolderBase]: For 48880/50296 co-relation queries the response was YES. [2023-11-30 01:47:10,694 INFO L83 FinitePrefix]: Finished finitePrefix Result has 59179 conditions, 8633 events. 3195/8633 cut-off events. For 48880/50296 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 67478 event pairs, 471 based on Foata normal form. 11/7984 useless extension candidates. Maximal degree in co-relation 58483. Up to 5953 conditions per place. [2023-11-30 01:47:10,740 INFO L140 encePairwiseOnDemand]: 280/303 looper letters, 712 selfloop transitions, 123 changer transitions 0/998 dead transitions. [2023-11-30 01:47:10,740 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 332 places, 998 transitions, 16431 flow [2023-11-30 01:47:10,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 01:47:10,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 01:47:10,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1249 transitions. [2023-11-30 01:47:10,747 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.687018701870187 [2023-11-30 01:47:10,747 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1249 transitions. [2023-11-30 01:47:10,747 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1249 transitions. [2023-11-30 01:47:10,747 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:47:10,747 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1249 transitions. [2023-11-30 01:47:10,749 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 208.16666666666666) internal successors, (1249), 6 states have internal predecessors, (1249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:47:10,752 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 303.0) internal successors, (2121), 7 states have internal predecessors, (2121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:47:10,752 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 303.0) internal successors, (2121), 7 states have internal predecessors, (2121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:47:10,752 INFO L307 CegarLoopForPetriNet]: 306 programPoint places, 26 predicate places. [2023-11-30 01:47:10,752 INFO L500 AbstractCegarLoop]: Abstraction has has 332 places, 998 transitions, 16431 flow [2023-11-30 01:47:10,753 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 179.83333333333334) internal successors, (1079), 6 states have internal predecessors, (1079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:47:10,753 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:47:10,753 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:47:10,753 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-30 01:47:10,753 INFO L425 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-11-30 01:47:10,754 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:47:10,754 INFO L85 PathProgramCache]: Analyzing trace with hash 1914077475, now seen corresponding path program 1 times [2023-11-30 01:47:10,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:47:10,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490398010] [2023-11-30 01:47:10,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:47:10,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:47:10,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:47:11,054 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 01:47:11,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:47:11,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490398010] [2023-11-30 01:47:11,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490398010] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:47:11,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:47:11,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 01:47:11,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116358854] [2023-11-30 01:47:11,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:47:11,056 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 01:47:11,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:47:11,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 01:47:11,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 01:47:11,058 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 288 out of 303 [2023-11-30 01:47:11,058 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 332 places, 998 transitions, 16431 flow. Second operand has 3 states, 3 states have (on average 291.0) internal successors, (873), 3 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 01:47:11,059 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:47:11,059 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 288 of 303 [2023-11-30 01:47:11,059 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:47:12,529 INFO L124 PetriNetUnfolderBase]: 1940/5668 cut-off events. [2023-11-30 01:47:12,530 INFO L125 PetriNetUnfolderBase]: For 37650/38790 co-relation queries the response was YES. [2023-11-30 01:47:12,537 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38258 conditions, 5668 events. 1940/5668 cut-off events. For 37650/38790 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 43456 event pairs, 332 based on Foata normal form. 45/5293 useless extension candidates. Maximal degree in co-relation 37554. Up to 3822 conditions per place. [2023-11-30 01:47:12,556 INFO L140 encePairwiseOnDemand]: 297/303 looper letters, 50 selfloop transitions, 43 changer transitions 7/791 dead transitions. [2023-11-30 01:47:12,557 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 334 places, 791 transitions, 12849 flow [2023-11-30 01:47:12,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 01:47:12,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 01:47:12,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 887 transitions. [2023-11-30 01:47:12,559 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9757975797579758 [2023-11-30 01:47:12,559 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 887 transitions. [2023-11-30 01:47:12,559 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 887 transitions. [2023-11-30 01:47:12,559 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:47:12,559 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 887 transitions. [2023-11-30 01:47:12,561 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 295.6666666666667) internal successors, (887), 3 states have internal predecessors, (887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:47:12,564 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 303.0) internal successors, (1212), 4 states have internal predecessors, (1212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:47:12,564 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 303.0) internal successors, (1212), 4 states have internal predecessors, (1212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:47:12,565 INFO L307 CegarLoopForPetriNet]: 306 programPoint places, 28 predicate places. [2023-11-30 01:47:12,565 INFO L500 AbstractCegarLoop]: Abstraction has has 334 places, 791 transitions, 12849 flow [2023-11-30 01:47:12,565 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 291.0) internal successors, (873), 3 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 01:47:12,565 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:47:12,565 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:47:12,565 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-30 01:47:12,566 INFO L425 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-11-30 01:47:12,566 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:47:12,567 INFO L85 PathProgramCache]: Analyzing trace with hash 49879246, now seen corresponding path program 1 times [2023-11-30 01:47:12,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:47:12,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341110438] [2023-11-30 01:47:12,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:47:12,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:47:12,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:47:13,235 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 01:47:13,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:47:13,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341110438] [2023-11-30 01:47:13,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341110438] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:47:13,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:47:13,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 01:47:13,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494257868] [2023-11-30 01:47:13,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:47:13,236 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 01:47:13,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:47:13,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 01:47:13,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 01:47:13,238 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 303 [2023-11-30 01:47:13,239 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 334 places, 791 transitions, 12849 flow. Second operand has 6 states, 6 states have (on average 180.33333333333334) internal successors, (1082), 6 states have internal predecessors, (1082), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:47:13,239 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:47:13,239 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 303 [2023-11-30 01:47:13,239 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:47:15,260 INFO L124 PetriNetUnfolderBase]: 2103/6184 cut-off events. [2023-11-30 01:47:15,261 INFO L125 PetriNetUnfolderBase]: For 45760/47483 co-relation queries the response was YES. [2023-11-30 01:47:15,271 INFO L83 FinitePrefix]: Finished finitePrefix Result has 45563 conditions, 6184 events. 2103/6184 cut-off events. For 45760/47483 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 48577 event pairs, 279 based on Foata normal form. 2/5839 useless extension candidates. Maximal degree in co-relation 44803. Up to 4150 conditions per place. [2023-11-30 01:47:15,298 INFO L140 encePairwiseOnDemand]: 284/303 looper letters, 783 selfloop transitions, 200 changer transitions 70/1214 dead transitions. [2023-11-30 01:47:15,298 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 338 places, 1214 transitions, 23127 flow [2023-11-30 01:47:15,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 01:47:15,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 01:47:15,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1353 transitions. [2023-11-30 01:47:15,301 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7442244224422442 [2023-11-30 01:47:15,301 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1353 transitions. [2023-11-30 01:47:15,302 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1353 transitions. [2023-11-30 01:47:15,302 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:47:15,302 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1353 transitions. [2023-11-30 01:47:15,305 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 225.5) internal successors, (1353), 6 states have internal predecessors, (1353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:47:15,307 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 303.0) internal successors, (2121), 7 states have internal predecessors, (2121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:47:15,307 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 303.0) internal successors, (2121), 7 states have internal predecessors, (2121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:47:15,307 INFO L307 CegarLoopForPetriNet]: 306 programPoint places, 32 predicate places. [2023-11-30 01:47:15,308 INFO L500 AbstractCegarLoop]: Abstraction has has 338 places, 1214 transitions, 23127 flow [2023-11-30 01:47:15,308 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 180.33333333333334) internal successors, (1082), 6 states have internal predecessors, (1082), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:47:15,308 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:47:15,308 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:47:15,308 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-30 01:47:15,308 INFO L425 AbstractCegarLoop]: === Iteration 15 === Targeting t_funErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-11-30 01:47:15,309 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:47:15,309 INFO L85 PathProgramCache]: Analyzing trace with hash 1346393693, now seen corresponding path program 1 times [2023-11-30 01:47:15,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:47:15,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497060478] [2023-11-30 01:47:15,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:47:15,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:47:15,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:47:16,041 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 01:47:16,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:47:16,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497060478] [2023-11-30 01:47:16,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497060478] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:47:16,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:47:16,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 01:47:16,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439155865] [2023-11-30 01:47:16,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:47:16,043 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 01:47:16,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:47:16,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 01:47:16,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 01:47:16,044 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 303 [2023-11-30 01:47:16,045 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 338 places, 1214 transitions, 23127 flow. Second operand has 6 states, 6 states have (on average 183.5) internal successors, (1101), 6 states have internal predecessors, (1101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:47:16,045 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:47:16,045 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 303 [2023-11-30 01:47:16,045 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:47:18,020 INFO L124 PetriNetUnfolderBase]: 2216/6414 cut-off events. [2023-11-30 01:47:18,020 INFO L125 PetriNetUnfolderBase]: For 61688/62681 co-relation queries the response was YES. [2023-11-30 01:47:18,031 INFO L83 FinitePrefix]: Finished finitePrefix Result has 50636 conditions, 6414 events. 2216/6414 cut-off events. For 61688/62681 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 49955 event pairs, 338 based on Foata normal form. 2/6111 useless extension candidates. Maximal degree in co-relation 49824. Up to 4211 conditions per place. [2023-11-30 01:47:18,057 INFO L140 encePairwiseOnDemand]: 297/303 looper letters, 1067 selfloop transitions, 65 changer transitions 70/1369 dead transitions. [2023-11-30 01:47:18,057 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 342 places, 1369 transitions, 28911 flow [2023-11-30 01:47:18,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 01:47:18,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 01:47:18,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1240 transitions. [2023-11-30 01:47:18,060 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.682068206820682 [2023-11-30 01:47:18,060 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1240 transitions. [2023-11-30 01:47:18,060 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1240 transitions. [2023-11-30 01:47:18,061 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:47:18,061 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1240 transitions. [2023-11-30 01:47:18,063 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 206.66666666666666) internal successors, (1240), 6 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:47:18,066 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 303.0) internal successors, (2121), 7 states have internal predecessors, (2121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:47:18,067 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 303.0) internal successors, (2121), 7 states have internal predecessors, (2121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:47:18,067 INFO L307 CegarLoopForPetriNet]: 306 programPoint places, 36 predicate places. [2023-11-30 01:47:18,067 INFO L500 AbstractCegarLoop]: Abstraction has has 342 places, 1369 transitions, 28911 flow [2023-11-30 01:47:18,068 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 183.5) internal successors, (1101), 6 states have internal predecessors, (1101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:47:18,068 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:47:18,068 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:47:18,068 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-30 01:47:18,068 INFO L425 AbstractCegarLoop]: === Iteration 16 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-11-30 01:47:18,068 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:47:18,068 INFO L85 PathProgramCache]: Analyzing trace with hash 475490506, now seen corresponding path program 1 times [2023-11-30 01:47:18,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:47:18,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202431917] [2023-11-30 01:47:18,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:47:18,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:47:18,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:47:20,668 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 01:47:20,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:47:20,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202431917] [2023-11-30 01:47:20,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202431917] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:47:20,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:47:20,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2023-11-30 01:47:20,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657605795] [2023-11-30 01:47:20,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:47:20,672 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2023-11-30 01:47:20,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:47:20,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2023-11-30 01:47:20,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=558, Unknown=0, NotChecked=0, Total=650 [2023-11-30 01:47:20,679 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 303 [2023-11-30 01:47:20,681 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 342 places, 1369 transitions, 28911 flow. Second operand has 26 states, 26 states have (on average 110.42307692307692) internal successors, (2871), 26 states have internal predecessors, (2871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:47:20,681 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:47:20,681 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 303 [2023-11-30 01:47:20,681 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:47:25,502 INFO L124 PetriNetUnfolderBase]: 2651/7261 cut-off events. [2023-11-30 01:47:25,502 INFO L125 PetriNetUnfolderBase]: For 82971/84151 co-relation queries the response was YES. [2023-11-30 01:47:25,514 INFO L83 FinitePrefix]: Finished finitePrefix Result has 61399 conditions, 7261 events. 2651/7261 cut-off events. For 82971/84151 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 56384 event pairs, 336 based on Foata normal form. 4/6965 useless extension candidates. Maximal degree in co-relation 60484. Up to 4617 conditions per place. [2023-11-30 01:47:25,549 INFO L140 encePairwiseOnDemand]: 262/303 looper letters, 1465 selfloop transitions, 160 changer transitions 90/1809 dead transitions. [2023-11-30 01:47:25,549 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 1809 transitions, 41047 flow [2023-11-30 01:47:25,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-11-30 01:47:25,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2023-11-30 01:47:25,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 5406 transitions. [2023-11-30 01:47:25,562 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.3796081735833158 [2023-11-30 01:47:25,562 INFO L72 ComplementDD]: Start complementDD. Operand 47 states and 5406 transitions. [2023-11-30 01:47:25,562 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 5406 transitions. [2023-11-30 01:47:25,565 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:47:25,565 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 47 states and 5406 transitions. [2023-11-30 01:47:25,574 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 48 states, 47 states have (on average 115.02127659574468) internal successors, (5406), 47 states have internal predecessors, (5406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:47:25,590 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 48 states, 48 states have (on average 303.0) internal successors, (14544), 48 states have internal predecessors, (14544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:47:25,592 INFO L81 ComplementDD]: Finished complementDD. Result has 48 states, 48 states have (on average 303.0) internal successors, (14544), 48 states have internal predecessors, (14544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:47:25,592 INFO L307 CegarLoopForPetriNet]: 306 programPoint places, 82 predicate places. [2023-11-30 01:47:25,593 INFO L500 AbstractCegarLoop]: Abstraction has has 388 places, 1809 transitions, 41047 flow [2023-11-30 01:47:25,593 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 110.42307692307692) internal successors, (2871), 26 states have internal predecessors, (2871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:47:25,593 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:47:25,594 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:47:25,594 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-30 01:47:25,594 INFO L425 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-11-30 01:47:25,594 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:47:25,594 INFO L85 PathProgramCache]: Analyzing trace with hash 1175317613, now seen corresponding path program 1 times [2023-11-30 01:47:25,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:47:25,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958823221] [2023-11-30 01:47:25,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:47:25,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:47:25,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:47:27,899 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 01:47:27,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:47:27,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958823221] [2023-11-30 01:47:27,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958823221] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:47:27,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:47:27,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2023-11-30 01:47:27,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410403865] [2023-11-30 01:47:27,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:47:27,901 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2023-11-30 01:47:27,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:47:27,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2023-11-30 01:47:27,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=558, Unknown=0, NotChecked=0, Total=650 [2023-11-30 01:47:27,904 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 303 [2023-11-30 01:47:27,906 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 388 places, 1809 transitions, 41047 flow. Second operand has 26 states, 26 states have (on average 112.38461538461539) internal successors, (2922), 26 states have internal predecessors, (2922), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:47:27,906 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:47:27,906 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 303 [2023-11-30 01:47:27,906 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:47:33,788 INFO L124 PetriNetUnfolderBase]: 2758/7475 cut-off events. [2023-11-30 01:47:33,788 INFO L125 PetriNetUnfolderBase]: For 94200/95823 co-relation queries the response was YES. [2023-11-30 01:47:33,804 INFO L83 FinitePrefix]: Finished finitePrefix Result has 69568 conditions, 7475 events. 2758/7475 cut-off events. For 94200/95823 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 57787 event pairs, 286 based on Foata normal form. 19/7195 useless extension candidates. Maximal degree in co-relation 68550. Up to 4810 conditions per place. [2023-11-30 01:47:33,852 INFO L140 encePairwiseOnDemand]: 261/303 looper letters, 1633 selfloop transitions, 239 changer transitions 98/2070 dead transitions. [2023-11-30 01:47:33,852 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 433 places, 2070 transitions, 50873 flow [2023-11-30 01:47:33,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-11-30 01:47:33,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2023-11-30 01:47:33,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 5463 transitions. [2023-11-30 01:47:33,859 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.3919500645716746 [2023-11-30 01:47:33,860 INFO L72 ComplementDD]: Start complementDD. Operand 46 states and 5463 transitions. [2023-11-30 01:47:33,860 INFO L73 IsDeterministic]: Start isDeterministic. Operand 46 states and 5463 transitions. [2023-11-30 01:47:33,861 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:47:33,862 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 46 states and 5463 transitions. [2023-11-30 01:47:33,869 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 47 states, 46 states have (on average 118.76086956521739) internal successors, (5463), 46 states have internal predecessors, (5463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:47:33,882 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 47 states, 47 states have (on average 303.0) internal successors, (14241), 47 states have internal predecessors, (14241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:47:33,884 INFO L81 ComplementDD]: Finished complementDD. Result has 47 states, 47 states have (on average 303.0) internal successors, (14241), 47 states have internal predecessors, (14241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:47:33,884 INFO L307 CegarLoopForPetriNet]: 306 programPoint places, 127 predicate places. [2023-11-30 01:47:33,884 INFO L500 AbstractCegarLoop]: Abstraction has has 433 places, 2070 transitions, 50873 flow [2023-11-30 01:47:33,885 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 112.38461538461539) internal successors, (2922), 26 states have internal predecessors, (2922), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:47:33,885 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:47:33,885 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:47:33,885 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-30 01:47:33,886 INFO L425 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-11-30 01:47:33,886 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:47:33,886 INFO L85 PathProgramCache]: Analyzing trace with hash 1865079259, now seen corresponding path program 2 times [2023-11-30 01:47:33,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:47:33,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090267894] [2023-11-30 01:47:33,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:47:33,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:47:33,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:47:37,641 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 01:47:37,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:47:37,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090267894] [2023-11-30 01:47:37,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090267894] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:47:37,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:47:37,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2023-11-30 01:47:37,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567712525] [2023-11-30 01:47:37,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:47:37,642 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-11-30 01:47:37,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:47:37,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-11-30 01:47:37,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=655, Unknown=0, NotChecked=0, Total=756 [2023-11-30 01:47:37,645 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 303 [2023-11-30 01:47:37,647 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 433 places, 2070 transitions, 50873 flow. Second operand has 28 states, 28 states have (on average 112.0) internal successors, (3136), 28 states have internal predecessors, (3136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:47:37,647 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:47:37,647 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 303 [2023-11-30 01:47:37,647 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:47:44,139 INFO L124 PetriNetUnfolderBase]: 3653/9730 cut-off events. [2023-11-30 01:47:44,139 INFO L125 PetriNetUnfolderBase]: For 136223/138278 co-relation queries the response was YES. [2023-11-30 01:47:44,158 INFO L83 FinitePrefix]: Finished finitePrefix Result has 97396 conditions, 9730 events. 3653/9730 cut-off events. For 136223/138278 co-relation queries the response was YES. Maximal size of possible extension queue 190. Compared 80828 event pairs, 341 based on Foata normal form. 20/9377 useless extension candidates. Maximal degree in co-relation 96275. Up to 6202 conditions per place. [2023-11-30 01:47:44,216 INFO L140 encePairwiseOnDemand]: 265/303 looper letters, 2436 selfloop transitions, 133 changer transitions 98/2767 dead transitions. [2023-11-30 01:47:44,216 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 470 places, 2767 transitions, 73767 flow [2023-11-30 01:47:44,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-11-30 01:47:44,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2023-11-30 01:47:44,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 4556 transitions. [2023-11-30 01:47:44,221 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.3956922007990273 [2023-11-30 01:47:44,221 INFO L72 ComplementDD]: Start complementDD. Operand 38 states and 4556 transitions. [2023-11-30 01:47:44,222 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 4556 transitions. [2023-11-30 01:47:44,223 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:47:44,223 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 38 states and 4556 transitions. [2023-11-30 01:47:44,228 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 39 states, 38 states have (on average 119.89473684210526) internal successors, (4556), 38 states have internal predecessors, (4556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:47:44,236 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 39 states, 39 states have (on average 303.0) internal successors, (11817), 39 states have internal predecessors, (11817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:47:44,237 INFO L81 ComplementDD]: Finished complementDD. Result has 39 states, 39 states have (on average 303.0) internal successors, (11817), 39 states have internal predecessors, (11817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:47:44,238 INFO L307 CegarLoopForPetriNet]: 306 programPoint places, 164 predicate places. [2023-11-30 01:47:44,238 INFO L500 AbstractCegarLoop]: Abstraction has has 470 places, 2767 transitions, 73767 flow [2023-11-30 01:47:44,239 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 112.0) internal successors, (3136), 28 states have internal predecessors, (3136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:47:44,239 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:47:44,239 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:47:44,239 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-30 01:47:44,239 INFO L425 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-11-30 01:47:44,240 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:47:44,240 INFO L85 PathProgramCache]: Analyzing trace with hash 636504113, now seen corresponding path program 3 times [2023-11-30 01:47:44,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:47:44,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856233028] [2023-11-30 01:47:44,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:47:44,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:47:44,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:47:47,688 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 01:47:47,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:47:47,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856233028] [2023-11-30 01:47:47,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856233028] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:47:47,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:47:47,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2023-11-30 01:47:47,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845005640] [2023-11-30 01:47:47,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:47:47,689 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-11-30 01:47:47,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:47:47,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-11-30 01:47:47,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=660, Unknown=0, NotChecked=0, Total=756 [2023-11-30 01:47:47,692 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 303 [2023-11-30 01:47:47,694 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 470 places, 2767 transitions, 73767 flow. Second operand has 28 states, 28 states have (on average 112.0) internal successors, (3136), 28 states have internal predecessors, (3136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:47:47,694 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:47:47,694 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 303 [2023-11-30 01:47:47,694 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:47:56,775 INFO L124 PetriNetUnfolderBase]: 4594/12131 cut-off events. [2023-11-30 01:47:56,775 INFO L125 PetriNetUnfolderBase]: For 188983/191637 co-relation queries the response was YES. [2023-11-30 01:47:56,797 INFO L83 FinitePrefix]: Finished finitePrefix Result has 129982 conditions, 12131 events. 4594/12131 cut-off events. For 188983/191637 co-relation queries the response was YES. Maximal size of possible extension queue 247. Compared 106295 event pairs, 395 based on Foata normal form. 30/11713 useless extension candidates. Maximal degree in co-relation 128758. Up to 7663 conditions per place. [2023-11-30 01:47:56,874 INFO L140 encePairwiseOnDemand]: 265/303 looper letters, 3114 selfloop transitions, 199 changer transitions 98/3511 dead transitions. [2023-11-30 01:47:56,874 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 511 places, 3511 transitions, 100939 flow [2023-11-30 01:47:56,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-11-30 01:47:56,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2023-11-30 01:47:56,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 5062 transitions. [2023-11-30 01:47:56,879 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.39776834826339774 [2023-11-30 01:47:56,879 INFO L72 ComplementDD]: Start complementDD. Operand 42 states and 5062 transitions. [2023-11-30 01:47:56,879 INFO L73 IsDeterministic]: Start isDeterministic. Operand 42 states and 5062 transitions. [2023-11-30 01:47:56,880 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:47:56,880 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 42 states and 5062 transitions. [2023-11-30 01:47:56,885 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 43 states, 42 states have (on average 120.52380952380952) internal successors, (5062), 42 states have internal predecessors, (5062), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:47:56,893 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 43 states, 43 states have (on average 303.0) internal successors, (13029), 43 states have internal predecessors, (13029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:47:56,894 INFO L81 ComplementDD]: Finished complementDD. Result has 43 states, 43 states have (on average 303.0) internal successors, (13029), 43 states have internal predecessors, (13029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:47:56,894 INFO L307 CegarLoopForPetriNet]: 306 programPoint places, 205 predicate places. [2023-11-30 01:47:56,894 INFO L500 AbstractCegarLoop]: Abstraction has has 511 places, 3511 transitions, 100939 flow [2023-11-30 01:47:56,895 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 112.0) internal successors, (3136), 28 states have internal predecessors, (3136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:47:56,895 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:47:56,895 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:47:56,895 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-30 01:47:56,900 INFO L425 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-11-30 01:47:56,900 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:47:56,900 INFO L85 PathProgramCache]: Analyzing trace with hash -257743963, now seen corresponding path program 4 times [2023-11-30 01:47:56,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:47:56,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462867921] [2023-11-30 01:47:56,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:47:56,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:47:56,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:47:58,745 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 01:47:58,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:47:58,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462867921] [2023-11-30 01:47:58,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462867921] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:47:58,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:47:58,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-11-30 01:47:58,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68088549] [2023-11-30 01:47:58,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:47:58,746 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-11-30 01:47:58,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:47:58,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-11-30 01:47:58,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=524, Unknown=0, NotChecked=0, Total=600 [2023-11-30 01:47:58,748 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 303 [2023-11-30 01:47:58,749 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 511 places, 3511 transitions, 100939 flow. Second operand has 25 states, 25 states have (on average 113.56) internal successors, (2839), 25 states have internal predecessors, (2839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:47:58,749 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:47:58,749 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 303 [2023-11-30 01:47:58,749 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:48:10,253 INFO L124 PetriNetUnfolderBase]: 5308/13948 cut-off events. [2023-11-30 01:48:10,254 INFO L125 PetriNetUnfolderBase]: For 239746/243006 co-relation queries the response was YES. [2023-11-30 01:48:10,277 INFO L83 FinitePrefix]: Finished finitePrefix Result has 159812 conditions, 13948 events. 5308/13948 cut-off events. For 239746/243006 co-relation queries the response was YES. Maximal size of possible extension queue 296. Compared 125819 event pairs, 416 based on Foata normal form. 68/13513 useless extension candidates. Maximal degree in co-relation 158485. Up to 8773 conditions per place. [2023-11-30 01:48:10,363 INFO L140 encePairwiseOnDemand]: 260/303 looper letters, 3579 selfloop transitions, 401 changer transitions 98/4181 dead transitions. [2023-11-30 01:48:10,363 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 547 places, 4181 transitions, 128119 flow [2023-11-30 01:48:10,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-11-30 01:48:10,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2023-11-30 01:48:10,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 4518 transitions. [2023-11-30 01:48:10,368 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.40299705646240297 [2023-11-30 01:48:10,368 INFO L72 ComplementDD]: Start complementDD. Operand 37 states and 4518 transitions. [2023-11-30 01:48:10,368 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 4518 transitions. [2023-11-30 01:48:10,369 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:48:10,369 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 37 states and 4518 transitions. [2023-11-30 01:48:10,374 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 38 states, 37 states have (on average 122.10810810810811) internal successors, (4518), 37 states have internal predecessors, (4518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:48:10,381 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 38 states, 38 states have (on average 303.0) internal successors, (11514), 38 states have internal predecessors, (11514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:48:10,381 INFO L81 ComplementDD]: Finished complementDD. Result has 38 states, 38 states have (on average 303.0) internal successors, (11514), 38 states have internal predecessors, (11514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:48:10,382 INFO L307 CegarLoopForPetriNet]: 306 programPoint places, 241 predicate places. [2023-11-30 01:48:10,382 INFO L500 AbstractCegarLoop]: Abstraction has has 547 places, 4181 transitions, 128119 flow [2023-11-30 01:48:10,382 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 113.56) internal successors, (2839), 25 states have internal predecessors, (2839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:48:10,382 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:48:10,382 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:48:10,383 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-30 01:48:10,383 INFO L425 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-11-30 01:48:10,383 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:48:10,383 INFO L85 PathProgramCache]: Analyzing trace with hash -1704902351, now seen corresponding path program 5 times [2023-11-30 01:48:10,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:48:10,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776287554] [2023-11-30 01:48:10,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:48:10,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:48:10,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:48:11,988 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 01:48:11,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:48:11,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776287554] [2023-11-30 01:48:11,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776287554] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:48:11,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:48:11,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-11-30 01:48:11,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575896632] [2023-11-30 01:48:11,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:48:11,989 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-11-30 01:48:11,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:48:11,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-11-30 01:48:11,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=523, Unknown=0, NotChecked=0, Total=600 [2023-11-30 01:48:11,994 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 303 [2023-11-30 01:48:11,995 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 547 places, 4181 transitions, 128119 flow. Second operand has 25 states, 25 states have (on average 113.56) internal successors, (2839), 25 states have internal predecessors, (2839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:48:11,995 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:48:11,995 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 303 [2023-11-30 01:48:11,995 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:48:28,127 INFO L124 PetriNetUnfolderBase]: 5942/15595 cut-off events. [2023-11-30 01:48:28,128 INFO L125 PetriNetUnfolderBase]: For 297273/301093 co-relation queries the response was YES. [2023-11-30 01:48:28,157 INFO L83 FinitePrefix]: Finished finitePrefix Result has 189899 conditions, 15595 events. 5942/15595 cut-off events. For 297273/301093 co-relation queries the response was YES. Maximal size of possible extension queue 345. Compared 144754 event pairs, 444 based on Foata normal form. 108/15150 useless extension candidates. Maximal degree in co-relation 188469. Up to 9742 conditions per place. [2023-11-30 01:48:28,266 INFO L140 encePairwiseOnDemand]: 260/303 looper letters, 4096 selfloop transitions, 445 changer transitions 98/4742 dead transitions. [2023-11-30 01:48:28,266 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 584 places, 4742 transitions, 154395 flow [2023-11-30 01:48:28,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-11-30 01:48:28,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2023-11-30 01:48:28,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 4634 transitions. [2023-11-30 01:48:28,270 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.40246656244571827 [2023-11-30 01:48:28,270 INFO L72 ComplementDD]: Start complementDD. Operand 38 states and 4634 transitions. [2023-11-30 01:48:28,270 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 4634 transitions. [2023-11-30 01:48:28,271 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:48:28,271 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 38 states and 4634 transitions. [2023-11-30 01:48:28,275 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 39 states, 38 states have (on average 121.94736842105263) internal successors, (4634), 38 states have internal predecessors, (4634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:48:28,282 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 39 states, 39 states have (on average 303.0) internal successors, (11817), 39 states have internal predecessors, (11817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:48:28,283 INFO L81 ComplementDD]: Finished complementDD. Result has 39 states, 39 states have (on average 303.0) internal successors, (11817), 39 states have internal predecessors, (11817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:48:28,284 INFO L307 CegarLoopForPetriNet]: 306 programPoint places, 278 predicate places. [2023-11-30 01:48:28,284 INFO L500 AbstractCegarLoop]: Abstraction has has 584 places, 4742 transitions, 154395 flow [2023-11-30 01:48:28,284 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 113.56) internal successors, (2839), 25 states have internal predecessors, (2839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:48:28,284 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:48:28,284 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:48:28,285 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-30 01:48:28,285 INFO L425 AbstractCegarLoop]: === Iteration 22 === Targeting t_funErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-11-30 01:48:28,285 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:48:28,285 INFO L85 PathProgramCache]: Analyzing trace with hash -1064432542, now seen corresponding path program 1 times [2023-11-30 01:48:28,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:48:28,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754519575] [2023-11-30 01:48:28,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:48:28,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:48:28,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:48:28,906 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 01:48:28,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:48:28,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754519575] [2023-11-30 01:48:28,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754519575] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:48:28,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:48:28,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 01:48:28,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54584735] [2023-11-30 01:48:28,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:48:28,907 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 01:48:28,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:48:28,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 01:48:28,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 01:48:28,908 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 303 [2023-11-30 01:48:28,909 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 584 places, 4742 transitions, 154395 flow. Second operand has 6 states, 6 states have (on average 182.66666666666666) internal successors, (1096), 6 states have internal predecessors, (1096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:48:28,909 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:48:28,909 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 303 [2023-11-30 01:48:28,909 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:48:45,452 INFO L124 PetriNetUnfolderBase]: 6381/16542 cut-off events. [2023-11-30 01:48:45,452 INFO L125 PetriNetUnfolderBase]: For 338916/340747 co-relation queries the response was YES. [2023-11-30 01:48:45,493 INFO L83 FinitePrefix]: Finished finitePrefix Result has 211449 conditions, 16542 events. 6381/16542 cut-off events. For 338916/340747 co-relation queries the response was YES. Maximal size of possible extension queue 357. Compared 153172 event pairs, 481 based on Foata normal form. 36/15994 useless extension candidates. Maximal degree in co-relation 209967. Up to 10333 conditions per place. [2023-11-30 01:48:45,600 INFO L140 encePairwiseOnDemand]: 280/303 looper letters, 3328 selfloop transitions, 139 changer transitions 1094/4985 dead transitions. [2023-11-30 01:48:45,600 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 589 places, 4985 transitions, 171767 flow [2023-11-30 01:48:45,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 01:48:45,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 01:48:45,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1247 transitions. [2023-11-30 01:48:45,601 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6859185918591859 [2023-11-30 01:48:45,602 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1247 transitions. [2023-11-30 01:48:45,602 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1247 transitions. [2023-11-30 01:48:45,602 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:48:45,602 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1247 transitions. [2023-11-30 01:48:45,604 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 207.83333333333334) internal successors, (1247), 6 states have internal predecessors, (1247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:48:45,609 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 303.0) internal successors, (2121), 7 states have internal predecessors, (2121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:48:45,609 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 303.0) internal successors, (2121), 7 states have internal predecessors, (2121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:48:45,610 INFO L307 CegarLoopForPetriNet]: 306 programPoint places, 283 predicate places. [2023-11-30 01:48:45,610 INFO L500 AbstractCegarLoop]: Abstraction has has 589 places, 4985 transitions, 171767 flow [2023-11-30 01:48:45,610 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 182.66666666666666) internal successors, (1096), 6 states have internal predecessors, (1096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:48:45,610 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:48:45,610 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:48:45,610 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-30 01:48:45,610 INFO L425 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-11-30 01:48:45,611 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:48:45,611 INFO L85 PathProgramCache]: Analyzing trace with hash 1871737839, now seen corresponding path program 1 times [2023-11-30 01:48:45,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:48:45,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873256782] [2023-11-30 01:48:45,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:48:45,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:48:45,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:48:47,753 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 01:48:47,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:48:47,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873256782] [2023-11-30 01:48:47,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873256782] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:48:47,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:48:47,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2023-11-30 01:48:47,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489487731] [2023-11-30 01:48:47,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:48:47,757 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2023-11-30 01:48:47,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:48:47,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2023-11-30 01:48:47,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=561, Unknown=0, NotChecked=0, Total=650 [2023-11-30 01:48:47,764 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 303 [2023-11-30 01:48:47,765 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 589 places, 4985 transitions, 171767 flow. Second operand has 26 states, 26 states have (on average 112.57692307692308) internal successors, (2927), 26 states have internal predecessors, (2927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:48:47,765 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:48:47,765 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 303 [2023-11-30 01:48:47,765 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:49:10,842 INFO L124 PetriNetUnfolderBase]: 6414/16614 cut-off events. [2023-11-30 01:49:10,842 INFO L125 PetriNetUnfolderBase]: For 372135/374246 co-relation queries the response was YES. [2023-11-30 01:49:10,874 INFO L83 FinitePrefix]: Finished finitePrefix Result has 225374 conditions, 16614 events. 6414/16614 cut-off events. For 372135/374246 co-relation queries the response was YES. Maximal size of possible extension queue 358. Compared 153922 event pairs, 487 based on Foata normal form. 119/16147 useless extension candidates. Maximal degree in co-relation 223789. Up to 10395 conditions per place. [2023-11-30 01:49:10,974 INFO L140 encePairwiseOnDemand]: 260/303 looper letters, 3404 selfloop transitions, 426 changer transitions 1094/5023 dead transitions. [2023-11-30 01:49:10,974 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 635 places, 5023 transitions, 183003 flow [2023-11-30 01:49:10,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-11-30 01:49:10,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2023-11-30 01:49:10,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 5576 transitions. [2023-11-30 01:49:10,978 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.3915455375324767 [2023-11-30 01:49:10,978 INFO L72 ComplementDD]: Start complementDD. Operand 47 states and 5576 transitions. [2023-11-30 01:49:10,978 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 5576 transitions. [2023-11-30 01:49:10,980 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:49:10,980 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 47 states and 5576 transitions. [2023-11-30 01:49:10,985 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 48 states, 47 states have (on average 118.63829787234043) internal successors, (5576), 47 states have internal predecessors, (5576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:49:10,994 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 48 states, 48 states have (on average 303.0) internal successors, (14544), 48 states have internal predecessors, (14544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:49:10,995 INFO L81 ComplementDD]: Finished complementDD. Result has 48 states, 48 states have (on average 303.0) internal successors, (14544), 48 states have internal predecessors, (14544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:49:10,995 INFO L307 CegarLoopForPetriNet]: 306 programPoint places, 329 predicate places. [2023-11-30 01:49:10,995 INFO L500 AbstractCegarLoop]: Abstraction has has 635 places, 5023 transitions, 183003 flow [2023-11-30 01:49:10,996 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 112.57692307692308) internal successors, (2927), 26 states have internal predecessors, (2927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:49:10,996 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:49:10,996 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:49:10,997 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-30 01:49:10,997 INFO L425 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-11-30 01:49:10,997 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:49:10,997 INFO L85 PathProgramCache]: Analyzing trace with hash 2019372801, now seen corresponding path program 2 times [2023-11-30 01:49:10,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:49:10,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960942572] [2023-11-30 01:49:10,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:49:10,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:49:11,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:49:12,550 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 01:49:12,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:49:12,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960942572] [2023-11-30 01:49:12,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960942572] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:49:12,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:49:12,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2023-11-30 01:49:12,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419699092] [2023-11-30 01:49:12,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:49:12,551 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2023-11-30 01:49:12,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:49:12,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2023-11-30 01:49:12,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=562, Unknown=0, NotChecked=0, Total=650 [2023-11-30 01:49:12,554 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 303 [2023-11-30 01:49:12,555 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 635 places, 5023 transitions, 183003 flow. Second operand has 26 states, 26 states have (on average 112.57692307692308) internal successors, (2927), 26 states have internal predecessors, (2927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:49:12,555 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:49:12,555 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 303 [2023-11-30 01:49:12,555 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:49:34,816 INFO L124 PetriNetUnfolderBase]: 6462/16716 cut-off events. [2023-11-30 01:49:34,817 INFO L125 PetriNetUnfolderBase]: For 408411/410912 co-relation queries the response was YES. [2023-11-30 01:49:34,850 INFO L83 FinitePrefix]: Finished finitePrefix Result has 239995 conditions, 16716 events. 6462/16716 cut-off events. For 408411/410912 co-relation queries the response was YES. Maximal size of possible extension queue 360. Compared 155042 event pairs, 495 based on Foata normal form. 125/16253 useless extension candidates. Maximal degree in co-relation 238307. Up to 10485 conditions per place. [2023-11-30 01:49:34,956 INFO L140 encePairwiseOnDemand]: 259/303 looper letters, 3449 selfloop transitions, 435 changer transitions 1094/5077 dead transitions. [2023-11-30 01:49:34,956 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 682 places, 5077 transitions, 195043 flow [2023-11-30 01:49:34,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-11-30 01:49:34,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2023-11-30 01:49:34,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 5691 transitions. [2023-11-30 01:49:34,962 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.3912953795379538 [2023-11-30 01:49:34,962 INFO L72 ComplementDD]: Start complementDD. Operand 48 states and 5691 transitions. [2023-11-30 01:49:34,962 INFO L73 IsDeterministic]: Start isDeterministic. Operand 48 states and 5691 transitions. [2023-11-30 01:49:34,963 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:49:34,963 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 48 states and 5691 transitions. [2023-11-30 01:49:34,969 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 49 states, 48 states have (on average 118.5625) internal successors, (5691), 48 states have internal predecessors, (5691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:49:34,982 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 49 states, 49 states have (on average 303.0) internal successors, (14847), 49 states have internal predecessors, (14847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:49:34,983 INFO L81 ComplementDD]: Finished complementDD. Result has 49 states, 49 states have (on average 303.0) internal successors, (14847), 49 states have internal predecessors, (14847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:49:34,983 INFO L307 CegarLoopForPetriNet]: 306 programPoint places, 376 predicate places. [2023-11-30 01:49:34,984 INFO L500 AbstractCegarLoop]: Abstraction has has 682 places, 5077 transitions, 195043 flow [2023-11-30 01:49:34,984 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 112.57692307692308) internal successors, (2927), 26 states have internal predecessors, (2927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:49:34,984 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:49:34,984 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:49:34,985 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-30 01:49:34,985 INFO L425 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-11-30 01:49:34,985 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:49:34,985 INFO L85 PathProgramCache]: Analyzing trace with hash 1483734877, now seen corresponding path program 3 times [2023-11-30 01:49:34,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:49:34,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232737005] [2023-11-30 01:49:34,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:49:34,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:49:35,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:49:36,453 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 01:49:36,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:49:36,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232737005] [2023-11-30 01:49:36,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232737005] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:49:36,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:49:36,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2023-11-30 01:49:36,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805475363] [2023-11-30 01:49:36,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:49:36,454 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-11-30 01:49:36,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:49:36,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-11-30 01:49:36,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=478, Unknown=0, NotChecked=0, Total=552 [2023-11-30 01:49:36,457 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 303 [2023-11-30 01:49:36,458 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 682 places, 5077 transitions, 195043 flow. Second operand has 24 states, 24 states have (on average 114.0) internal successors, (2736), 24 states have internal predecessors, (2736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:49:36,458 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:49:36,458 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 303 [2023-11-30 01:49:36,458 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:49:59,252 INFO L124 PetriNetUnfolderBase]: 6454/16691 cut-off events. [2023-11-30 01:49:59,253 INFO L125 PetriNetUnfolderBase]: For 446193/448914 co-relation queries the response was YES. [2023-11-30 01:49:59,287 INFO L83 FinitePrefix]: Finished finitePrefix Result has 252333 conditions, 16691 events. 6454/16691 cut-off events. For 446193/448914 co-relation queries the response was YES. Maximal size of possible extension queue 359. Compared 154744 event pairs, 476 based on Foata normal form. 139/16253 useless extension candidates. Maximal degree in co-relation 250542. Up to 10463 conditions per place. [2023-11-30 01:49:59,401 INFO L140 encePairwiseOnDemand]: 261/303 looper letters, 3431 selfloop transitions, 485 changer transitions 1094/5112 dead transitions. [2023-11-30 01:49:59,401 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 727 places, 5112 transitions, 206251 flow [2023-11-30 01:49:59,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-11-30 01:49:59,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2023-11-30 01:49:59,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 5516 transitions. [2023-11-30 01:49:59,406 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.3957526187401349 [2023-11-30 01:49:59,406 INFO L72 ComplementDD]: Start complementDD. Operand 46 states and 5516 transitions. [2023-11-30 01:49:59,406 INFO L73 IsDeterministic]: Start isDeterministic. Operand 46 states and 5516 transitions. [2023-11-30 01:49:59,407 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:49:59,407 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 46 states and 5516 transitions. [2023-11-30 01:49:59,412 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 47 states, 46 states have (on average 119.91304347826087) internal successors, (5516), 46 states have internal predecessors, (5516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:49:59,421 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 47 states, 47 states have (on average 303.0) internal successors, (14241), 47 states have internal predecessors, (14241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:49:59,422 INFO L81 ComplementDD]: Finished complementDD. Result has 47 states, 47 states have (on average 303.0) internal successors, (14241), 47 states have internal predecessors, (14241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:49:59,422 INFO L307 CegarLoopForPetriNet]: 306 programPoint places, 421 predicate places. [2023-11-30 01:49:59,422 INFO L500 AbstractCegarLoop]: Abstraction has has 727 places, 5112 transitions, 206251 flow [2023-11-30 01:49:59,422 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 114.0) internal successors, (2736), 24 states have internal predecessors, (2736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:49:59,423 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:49:59,423 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:49:59,423 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-30 01:49:59,423 INFO L425 AbstractCegarLoop]: === Iteration 26 === Targeting t_funErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-11-30 01:49:59,423 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:49:59,423 INFO L85 PathProgramCache]: Analyzing trace with hash 856024692, now seen corresponding path program 1 times [2023-11-30 01:49:59,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:49:59,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8127437] [2023-11-30 01:49:59,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:49:59,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:49:59,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:50:01,907 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 01:50:01,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:50:01,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8127437] [2023-11-30 01:50:01,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8127437] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:50:01,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:50:01,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-11-30 01:50:01,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782900338] [2023-11-30 01:50:01,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:50:01,908 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-11-30 01:50:01,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:50:01,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-11-30 01:50:01,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=624, Unknown=0, NotChecked=0, Total=702 [2023-11-30 01:50:01,911 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 303 [2023-11-30 01:50:01,912 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 727 places, 5112 transitions, 206251 flow. Second operand has 27 states, 27 states have (on average 109.4074074074074) internal successors, (2954), 27 states have internal predecessors, (2954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:50:01,912 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:50:01,912 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 303 [2023-11-30 01:50:01,912 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:50:26,475 INFO L124 PetriNetUnfolderBase]: 6569/16682 cut-off events. [2023-11-30 01:50:26,475 INFO L125 PetriNetUnfolderBase]: For 483212/485897 co-relation queries the response was YES. [2023-11-30 01:50:26,509 INFO L83 FinitePrefix]: Finished finitePrefix Result has 265862 conditions, 16682 events. 6569/16682 cut-off events. For 483212/485897 co-relation queries the response was YES. Maximal size of possible extension queue 360. Compared 152471 event pairs, 194 based on Foata normal form. 70/16211 useless extension candidates. Maximal degree in co-relation 263968. Up to 10450 conditions per place. [2023-11-30 01:50:26,628 INFO L140 encePairwiseOnDemand]: 254/303 looper letters, 4007 selfloop transitions, 330 changer transitions 1534/5968 dead transitions. [2023-11-30 01:50:26,628 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 780 places, 5968 transitions, 251041 flow [2023-11-30 01:50:26,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-11-30 01:50:26,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2023-11-30 01:50:26,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 6225 transitions. [2023-11-30 01:50:26,633 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.38045471213788046 [2023-11-30 01:50:26,633 INFO L72 ComplementDD]: Start complementDD. Operand 54 states and 6225 transitions. [2023-11-30 01:50:26,633 INFO L73 IsDeterministic]: Start isDeterministic. Operand 54 states and 6225 transitions. [2023-11-30 01:50:26,634 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:50:26,634 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 54 states and 6225 transitions. [2023-11-30 01:50:26,639 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 55 states, 54 states have (on average 115.27777777777777) internal successors, (6225), 54 states have internal predecessors, (6225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:50:26,649 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 55 states, 55 states have (on average 303.0) internal successors, (16665), 55 states have internal predecessors, (16665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:50:26,650 INFO L81 ComplementDD]: Finished complementDD. Result has 55 states, 55 states have (on average 303.0) internal successors, (16665), 55 states have internal predecessors, (16665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:50:26,651 INFO L307 CegarLoopForPetriNet]: 306 programPoint places, 474 predicate places. [2023-11-30 01:50:26,651 INFO L500 AbstractCegarLoop]: Abstraction has has 780 places, 5968 transitions, 251041 flow [2023-11-30 01:50:26,651 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 109.4074074074074) internal successors, (2954), 27 states have internal predecessors, (2954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:50:26,651 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:50:26,651 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:50:26,651 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-30 01:50:26,652 INFO L425 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-11-30 01:50:26,652 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:50:26,652 INFO L85 PathProgramCache]: Analyzing trace with hash 109705536, now seen corresponding path program 1 times [2023-11-30 01:50:26,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:50:26,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613802599] [2023-11-30 01:50:26,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:50:26,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:50:26,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:50:28,421 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 01:50:28,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:50:28,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613802599] [2023-11-30 01:50:28,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613802599] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:50:28,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:50:28,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2023-11-30 01:50:28,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235673010] [2023-11-30 01:50:28,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:50:28,422 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2023-11-30 01:50:28,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:50:28,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2023-11-30 01:50:28,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=575, Unknown=0, NotChecked=0, Total=650 [2023-11-30 01:50:28,424 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 303 [2023-11-30 01:50:28,425 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 780 places, 5968 transitions, 251041 flow. Second operand has 26 states, 26 states have (on average 111.57692307692308) internal successors, (2901), 26 states have internal predecessors, (2901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:50:28,425 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:50:28,425 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 303 [2023-11-30 01:50:28,425 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:50:56,933 INFO L124 PetriNetUnfolderBase]: 6977/17787 cut-off events. [2023-11-30 01:50:56,933 INFO L125 PetriNetUnfolderBase]: For 553746/556985 co-relation queries the response was YES. [2023-11-30 01:50:56,977 INFO L83 FinitePrefix]: Finished finitePrefix Result has 296433 conditions, 17787 events. 6977/17787 cut-off events. For 553746/556985 co-relation queries the response was YES. Maximal size of possible extension queue 360. Compared 163361 event pairs, 209 based on Foata normal form. 68/17262 useless extension candidates. Maximal degree in co-relation 294436. Up to 11118 conditions per place. [2023-11-30 01:50:57,115 INFO L140 encePairwiseOnDemand]: 263/303 looper letters, 4266 selfloop transitions, 373 changer transitions 1690/6430 dead transitions. [2023-11-30 01:50:57,116 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 833 places, 6430 transitions, 282179 flow [2023-11-30 01:50:57,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-11-30 01:50:57,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2023-11-30 01:50:57,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 6357 transitions. [2023-11-30 01:50:57,120 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.3885221855518885 [2023-11-30 01:50:57,120 INFO L72 ComplementDD]: Start complementDD. Operand 54 states and 6357 transitions. [2023-11-30 01:50:57,120 INFO L73 IsDeterministic]: Start isDeterministic. Operand 54 states and 6357 transitions. [2023-11-30 01:50:57,121 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:50:57,121 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 54 states and 6357 transitions. [2023-11-30 01:50:57,128 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 55 states, 54 states have (on average 117.72222222222223) internal successors, (6357), 54 states have internal predecessors, (6357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:50:57,139 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 55 states, 55 states have (on average 303.0) internal successors, (16665), 55 states have internal predecessors, (16665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:50:57,140 INFO L81 ComplementDD]: Finished complementDD. Result has 55 states, 55 states have (on average 303.0) internal successors, (16665), 55 states have internal predecessors, (16665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:50:57,141 INFO L307 CegarLoopForPetriNet]: 306 programPoint places, 527 predicate places. [2023-11-30 01:50:57,141 INFO L500 AbstractCegarLoop]: Abstraction has has 833 places, 6430 transitions, 282179 flow [2023-11-30 01:50:57,142 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 111.57692307692308) internal successors, (2901), 26 states have internal predecessors, (2901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:50:57,142 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:50:57,142 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:50:57,142 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-11-30 01:50:57,142 INFO L425 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-11-30 01:50:57,142 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:50:57,143 INFO L85 PathProgramCache]: Analyzing trace with hash 1886924836, now seen corresponding path program 2 times [2023-11-30 01:50:57,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:50:57,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616391375] [2023-11-30 01:50:57,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:50:57,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:50:57,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:50:59,116 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 01:50:59,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:50:59,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616391375] [2023-11-30 01:50:59,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616391375] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:50:59,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:50:59,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2023-11-30 01:50:59,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633464906] [2023-11-30 01:50:59,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:50:59,117 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2023-11-30 01:50:59,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:50:59,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2023-11-30 01:50:59,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=724, Unknown=0, NotChecked=0, Total=812 [2023-11-30 01:50:59,120 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 303 [2023-11-30 01:50:59,121 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 833 places, 6430 transitions, 282179 flow. Second operand has 29 states, 29 states have (on average 111.0) internal successors, (3219), 29 states have internal predecessors, (3219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:50:59,121 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:50:59,121 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 303 [2023-11-30 01:50:59,121 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:51:37,826 INFO L124 PetriNetUnfolderBase]: 8262/21054 cut-off events. [2023-11-30 01:51:37,826 INFO L125 PetriNetUnfolderBase]: For 697787/701730 co-relation queries the response was YES. [2023-11-30 01:51:37,872 INFO L83 FinitePrefix]: Finished finitePrefix Result has 367559 conditions, 21054 events. 8262/21054 cut-off events. For 697787/701730 co-relation queries the response was YES. Maximal size of possible extension queue 410. Compared 199339 event pairs, 270 based on Foata normal form. 80/20400 useless extension candidates. Maximal degree in co-relation 365459. Up to 13214 conditions per place. [2023-11-30 01:51:38,037 INFO L140 encePairwiseOnDemand]: 252/303 looper letters, 4974 selfloop transitions, 404 changer transitions 1977/7456 dead transitions. [2023-11-30 01:51:38,037 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 887 places, 7456 transitions, 341721 flow [2023-11-30 01:51:38,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-11-30 01:51:38,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2023-11-30 01:51:38,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 6438 transitions. [2023-11-30 01:51:38,041 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.3863186318631863 [2023-11-30 01:51:38,041 INFO L72 ComplementDD]: Start complementDD. Operand 55 states and 6438 transitions. [2023-11-30 01:51:38,041 INFO L73 IsDeterministic]: Start isDeterministic. Operand 55 states and 6438 transitions. [2023-11-30 01:51:38,042 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:51:38,042 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 55 states and 6438 transitions. [2023-11-30 01:51:38,046 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 56 states, 55 states have (on average 117.05454545454545) internal successors, (6438), 55 states have internal predecessors, (6438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:51:38,055 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 56 states, 56 states have (on average 303.0) internal successors, (16968), 56 states have internal predecessors, (16968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:51:38,056 INFO L81 ComplementDD]: Finished complementDD. Result has 56 states, 56 states have (on average 303.0) internal successors, (16968), 56 states have internal predecessors, (16968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:51:38,057 INFO L307 CegarLoopForPetriNet]: 306 programPoint places, 581 predicate places. [2023-11-30 01:51:38,057 INFO L500 AbstractCegarLoop]: Abstraction has has 887 places, 7456 transitions, 341721 flow [2023-11-30 01:51:38,057 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 111.0) internal successors, (3219), 29 states have internal predecessors, (3219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:51:38,057 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:51:38,058 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:51:38,058 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-11-30 01:51:38,058 INFO L425 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-11-30 01:51:38,058 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:51:38,058 INFO L85 PathProgramCache]: Analyzing trace with hash -1027744062, now seen corresponding path program 3 times [2023-11-30 01:51:38,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:51:38,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130374974] [2023-11-30 01:51:38,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:51:38,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:51:38,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:51:39,939 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 01:51:39,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:51:39,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130374974] [2023-11-30 01:51:39,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130374974] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:51:39,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:51:39,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-11-30 01:51:39,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349859130] [2023-11-30 01:51:39,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:51:39,940 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-11-30 01:51:39,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:51:39,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-11-30 01:51:39,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=626, Unknown=0, NotChecked=0, Total=702 [2023-11-30 01:51:39,942 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 303 [2023-11-30 01:51:39,943 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 887 places, 7456 transitions, 341721 flow. Second operand has 27 states, 27 states have (on average 111.37037037037037) internal successors, (3007), 27 states have internal predecessors, (3007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:51:39,943 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:51:39,943 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 303 [2023-11-30 01:51:39,943 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:52:36,689 INFO L124 PetriNetUnfolderBase]: 9604/24480 cut-off events. [2023-11-30 01:52:36,689 INFO L125 PetriNetUnfolderBase]: For 871606/876580 co-relation queries the response was YES. [2023-11-30 01:52:36,747 INFO L83 FinitePrefix]: Finished finitePrefix Result has 445463 conditions, 24480 events. 9604/24480 cut-off events. For 871606/876580 co-relation queries the response was YES. Maximal size of possible extension queue 461. Compared 238104 event pairs, 323 based on Foata normal form. 118/23724 useless extension candidates. Maximal degree in co-relation 443260. Up to 15356 conditions per place. [2023-11-30 01:52:36,962 INFO L140 encePairwiseOnDemand]: 256/303 looper letters, 5729 selfloop transitions, 426 changer transitions 2271/8527 dead transitions. [2023-11-30 01:52:36,962 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 941 places, 8527 transitions, 407717 flow [2023-11-30 01:52:36,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-11-30 01:52:36,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2023-11-30 01:52:36,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 6458 transitions. [2023-11-30 01:52:36,966 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.38751875187518753 [2023-11-30 01:52:36,966 INFO L72 ComplementDD]: Start complementDD. Operand 55 states and 6458 transitions. [2023-11-30 01:52:36,966 INFO L73 IsDeterministic]: Start isDeterministic. Operand 55 states and 6458 transitions. [2023-11-30 01:52:36,967 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:52:36,967 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 55 states and 6458 transitions. [2023-11-30 01:52:36,970 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 56 states, 55 states have (on average 117.41818181818182) internal successors, (6458), 55 states have internal predecessors, (6458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:52:36,978 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 56 states, 56 states have (on average 303.0) internal successors, (16968), 56 states have internal predecessors, (16968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:52:36,979 INFO L81 ComplementDD]: Finished complementDD. Result has 56 states, 56 states have (on average 303.0) internal successors, (16968), 56 states have internal predecessors, (16968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:52:36,980 INFO L307 CegarLoopForPetriNet]: 306 programPoint places, 635 predicate places. [2023-11-30 01:52:36,980 INFO L500 AbstractCegarLoop]: Abstraction has has 941 places, 8527 transitions, 407717 flow [2023-11-30 01:52:36,980 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 111.37037037037037) internal successors, (3007), 27 states have internal predecessors, (3007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:52:36,980 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:52:36,981 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:52:36,981 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-11-30 01:52:36,981 INFO L425 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-11-30 01:52:36,981 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:52:36,981 INFO L85 PathProgramCache]: Analyzing trace with hash -1301732094, now seen corresponding path program 4 times [2023-11-30 01:52:36,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:52:36,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275310785] [2023-11-30 01:52:36,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:52:36,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:52:37,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:52:38,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 01:52:38,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:52:38,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275310785] [2023-11-30 01:52:38,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275310785] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:52:38,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:52:38,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-11-30 01:52:38,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534238665] [2023-11-30 01:52:38,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:52:38,713 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-11-30 01:52:38,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:52:38,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-11-30 01:52:38,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=627, Unknown=0, NotChecked=0, Total=702 [2023-11-30 01:52:38,715 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 303 [2023-11-30 01:52:38,716 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 941 places, 8527 transitions, 407717 flow. Second operand has 27 states, 27 states have (on average 111.37037037037037) internal successors, (3007), 27 states have internal predecessors, (3007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:52:38,716 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:52:38,716 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 303 [2023-11-30 01:52:38,716 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:53:59,987 INFO L124 PetriNetUnfolderBase]: 10972/27957 cut-off events. [2023-11-30 01:53:59,987 INFO L125 PetriNetUnfolderBase]: For 1067179/1073433 co-relation queries the response was YES. [2023-11-30 01:54:00,067 INFO L83 FinitePrefix]: Finished finitePrefix Result has 529874 conditions, 27957 events. 10972/27957 cut-off events. For 1067179/1073433 co-relation queries the response was YES. Maximal size of possible extension queue 512. Compared 278571 event pairs, 377 based on Foata normal form. 134/27077 useless extension candidates. Maximal degree in co-relation 527568. Up to 17541 conditions per place. [2023-11-30 01:54:00,327 INFO L140 encePairwiseOnDemand]: 257/303 looper letters, 6514 selfloop transitions, 473 changer transitions 2565/9653 dead transitions. [2023-11-30 01:54:00,328 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 994 places, 9653 transitions, 480677 flow [2023-11-30 01:54:00,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-11-30 01:54:00,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2023-11-30 01:54:00,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 6362 transitions. [2023-11-30 01:54:00,331 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.3888277716660555 [2023-11-30 01:54:00,331 INFO L72 ComplementDD]: Start complementDD. Operand 54 states and 6362 transitions. [2023-11-30 01:54:00,331 INFO L73 IsDeterministic]: Start isDeterministic. Operand 54 states and 6362 transitions. [2023-11-30 01:54:00,332 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:54:00,332 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 54 states and 6362 transitions. [2023-11-30 01:54:00,335 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 55 states, 54 states have (on average 117.81481481481481) internal successors, (6362), 54 states have internal predecessors, (6362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:54:00,342 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 55 states, 55 states have (on average 303.0) internal successors, (16665), 55 states have internal predecessors, (16665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:54:00,343 INFO L81 ComplementDD]: Finished complementDD. Result has 55 states, 55 states have (on average 303.0) internal successors, (16665), 55 states have internal predecessors, (16665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:54:00,343 INFO L307 CegarLoopForPetriNet]: 306 programPoint places, 688 predicate places. [2023-11-30 01:54:00,343 INFO L500 AbstractCegarLoop]: Abstraction has has 994 places, 9653 transitions, 480677 flow [2023-11-30 01:54:00,344 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 111.37037037037037) internal successors, (3007), 27 states have internal predecessors, (3007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:54:00,344 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:54:00,344 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:54:00,344 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-11-30 01:54:00,344 INFO L425 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-11-30 01:54:00,344 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:54:00,345 INFO L85 PathProgramCache]: Analyzing trace with hash 1527760308, now seen corresponding path program 5 times [2023-11-30 01:54:00,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:54:00,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526930280] [2023-11-30 01:54:00,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:54:00,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:54:00,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:54:02,188 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 01:54:02,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:54:02,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526930280] [2023-11-30 01:54:02,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526930280] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:54:02,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:54:02,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-11-30 01:54:02,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074448419] [2023-11-30 01:54:02,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:54:02,189 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-11-30 01:54:02,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:54:02,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-11-30 01:54:02,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=626, Unknown=0, NotChecked=0, Total=702 [2023-11-30 01:54:02,191 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 303 [2023-11-30 01:54:02,192 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 994 places, 9653 transitions, 480677 flow. Second operand has 27 states, 27 states have (on average 111.37037037037037) internal successors, (3007), 27 states have internal predecessors, (3007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:54:02,192 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:54:02,192 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 303 [2023-11-30 01:54:02,192 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:55:40,816 INFO L124 PetriNetUnfolderBase]: 12259/31268 cut-off events. [2023-11-30 01:55:40,816 INFO L125 PetriNetUnfolderBase]: For 1280201/1287743 co-relation queries the response was YES. [2023-11-30 01:55:40,901 INFO L83 FinitePrefix]: Finished finitePrefix Result has 615726 conditions, 31268 events. 12259/31268 cut-off events. For 1280201/1287743 co-relation queries the response was YES. Maximal size of possible extension queue 563. Compared 317818 event pairs, 430 based on Foata normal form. 144/30268 useless extension candidates. Maximal degree in co-relation 613317. Up to 19585 conditions per place. [2023-11-30 01:55:41,341 INFO L140 encePairwiseOnDemand]: 258/303 looper letters, 7225 selfloop transitions, 482 changer transitions 2861/10669 dead transitions. [2023-11-30 01:55:41,341 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1046 places, 10669 transitions, 552381 flow [2023-11-30 01:55:41,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-11-30 01:55:41,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2023-11-30 01:55:41,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 6264 transitions. [2023-11-30 01:55:41,345 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.3900616476742014 [2023-11-30 01:55:41,345 INFO L72 ComplementDD]: Start complementDD. Operand 53 states and 6264 transitions. [2023-11-30 01:55:41,345 INFO L73 IsDeterministic]: Start isDeterministic. Operand 53 states and 6264 transitions. [2023-11-30 01:55:41,346 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:55:41,346 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 53 states and 6264 transitions. [2023-11-30 01:55:41,351 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 54 states, 53 states have (on average 118.18867924528301) internal successors, (6264), 53 states have internal predecessors, (6264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:55:41,360 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 54 states, 54 states have (on average 303.0) internal successors, (16362), 54 states have internal predecessors, (16362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:55:41,362 INFO L81 ComplementDD]: Finished complementDD. Result has 54 states, 54 states have (on average 303.0) internal successors, (16362), 54 states have internal predecessors, (16362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:55:41,362 INFO L307 CegarLoopForPetriNet]: 306 programPoint places, 740 predicate places. [2023-11-30 01:55:41,362 INFO L500 AbstractCegarLoop]: Abstraction has has 1046 places, 10669 transitions, 552381 flow [2023-11-30 01:55:41,363 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 111.37037037037037) internal successors, (3007), 27 states have internal predecessors, (3007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:55:41,363 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:55:41,363 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:55:41,363 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-11-30 01:55:41,363 INFO L425 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-11-30 01:55:41,363 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:55:41,363 INFO L85 PathProgramCache]: Analyzing trace with hash 931110383, now seen corresponding path program 1 times [2023-11-30 01:55:41,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:55:41,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818575907] [2023-11-30 01:55:41,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:55:41,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:55:41,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:55:43,140 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 01:55:43,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:55:43,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818575907] [2023-11-30 01:55:43,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818575907] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:55:43,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:55:43,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2023-11-30 01:55:43,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359688297] [2023-11-30 01:55:43,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:55:43,141 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-11-30 01:55:43,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:55:43,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-11-30 01:55:43,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=678, Unknown=0, NotChecked=0, Total=756 [2023-11-30 01:55:43,144 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 303 [2023-11-30 01:55:43,146 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1046 places, 10669 transitions, 552381 flow. Second operand has 28 states, 28 states have (on average 112.25) internal successors, (3143), 28 states have internal predecessors, (3143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:55:43,146 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:55:43,146 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 303 [2023-11-30 01:55:43,146 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:57:44,614 INFO L124 PetriNetUnfolderBase]: 13680/34143 cut-off events. [2023-11-30 01:57:44,615 INFO L125 PetriNetUnfolderBase]: For 1524948/1532133 co-relation queries the response was YES. [2023-11-30 01:57:44,714 INFO L83 FinitePrefix]: Finished finitePrefix Result has 699587 conditions, 34143 events. 13680/34143 cut-off events. For 1524948/1532133 co-relation queries the response was YES. Maximal size of possible extension queue 605. Compared 346460 event pairs, 573 based on Foata normal form. 145/33142 useless extension candidates. Maximal degree in co-relation 697075. Up to 21469 conditions per place. [2023-11-30 01:57:45,051 INFO L140 encePairwiseOnDemand]: 255/303 looper letters, 7838 selfloop transitions, 1163 changer transitions 3401/12554 dead transitions. [2023-11-30 01:57:45,052 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1096 places, 12554 transitions, 671795 flow [2023-11-30 01:57:45,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-11-30 01:57:45,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2023-11-30 01:57:45,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 6096 transitions. [2023-11-30 01:57:45,057 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.3944865074742768 [2023-11-30 01:57:45,057 INFO L72 ComplementDD]: Start complementDD. Operand 51 states and 6096 transitions. [2023-11-30 01:57:45,057 INFO L73 IsDeterministic]: Start isDeterministic. Operand 51 states and 6096 transitions. [2023-11-30 01:57:45,058 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:57:45,058 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 51 states and 6096 transitions. [2023-11-30 01:57:45,062 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 52 states, 51 states have (on average 119.52941176470588) internal successors, (6096), 51 states have internal predecessors, (6096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:57:45,070 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 52 states, 52 states have (on average 303.0) internal successors, (15756), 52 states have internal predecessors, (15756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:57:45,071 INFO L81 ComplementDD]: Finished complementDD. Result has 52 states, 52 states have (on average 303.0) internal successors, (15756), 52 states have internal predecessors, (15756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:57:45,072 INFO L307 CegarLoopForPetriNet]: 306 programPoint places, 790 predicate places. [2023-11-30 01:57:45,072 INFO L500 AbstractCegarLoop]: Abstraction has has 1096 places, 12554 transitions, 671795 flow [2023-11-30 01:57:45,072 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 112.25) internal successors, (3143), 28 states have internal predecessors, (3143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:57:45,072 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:57:45,073 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:57:45,073 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-11-30 01:57:45,073 INFO L425 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-11-30 01:57:45,073 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:57:45,073 INFO L85 PathProgramCache]: Analyzing trace with hash 132105839, now seen corresponding path program 2 times [2023-11-30 01:57:45,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:57:45,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009765755] [2023-11-30 01:57:45,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:57:45,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:57:45,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:57:46,918 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 01:57:46,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:57:46,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009765755] [2023-11-30 01:57:46,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009765755] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:57:46,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:57:46,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2023-11-30 01:57:46,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606687166] [2023-11-30 01:57:46,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:57:46,919 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2023-11-30 01:57:46,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:57:46,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2023-11-30 01:57:46,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=730, Unknown=0, NotChecked=0, Total=812 [2023-11-30 01:57:46,921 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 303 [2023-11-30 01:57:46,922 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1096 places, 12554 transitions, 671795 flow. Second operand has 29 states, 29 states have (on average 112.06896551724138) internal successors, (3250), 29 states have internal predecessors, (3250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:57:46,922 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:57:46,922 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 303 [2023-11-30 01:57:46,922 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand Received shutdown request... [2023-11-30 02:00:20,684 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-11-30 02:00:20,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-11-30 02:00:20,791 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (38 of 39 remaining) [2023-11-30 02:00:20,791 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-11-30 02:00:20,791 WARN L624 AbstractCegarLoop]: Verification canceled: while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (29states, 107/303 universal loopers) in iteration 33,while PetriNetUnfolder was constructing finite prefix that currently has 736572 conditions, 34121 events (13863/34120 cut-off events. For 1624757/1632618 co-relation queries the response was YES. Maximal size of possible extension queue 634. Compared 348414 event pairs, 585 based on Foata normal form. 275/33493 useless extension candidates. Maximal degree in co-relation 733957. Up to 21836 conditions per place.). [2023-11-30 02:00:20,793 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (37 of 39 remaining) [2023-11-30 02:00:20,793 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (36 of 39 remaining) [2023-11-30 02:00:20,793 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (35 of 39 remaining) [2023-11-30 02:00:20,793 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (34 of 39 remaining) [2023-11-30 02:00:20,793 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (33 of 39 remaining) [2023-11-30 02:00:20,793 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (32 of 39 remaining) [2023-11-30 02:00:20,793 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (31 of 39 remaining) [2023-11-30 02:00:20,793 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (30 of 39 remaining) [2023-11-30 02:00:20,793 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (29 of 39 remaining) [2023-11-30 02:00:20,793 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (28 of 39 remaining) [2023-11-30 02:00:20,794 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (27 of 39 remaining) [2023-11-30 02:00:20,794 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (26 of 39 remaining) [2023-11-30 02:00:20,794 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (25 of 39 remaining) [2023-11-30 02:00:20,794 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (24 of 39 remaining) [2023-11-30 02:00:20,794 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (23 of 39 remaining) [2023-11-30 02:00:20,795 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (22 of 39 remaining) [2023-11-30 02:00:20,795 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (21 of 39 remaining) [2023-11-30 02:00:20,795 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (20 of 39 remaining) [2023-11-30 02:00:20,795 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (19 of 39 remaining) [2023-11-30 02:00:20,795 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (18 of 39 remaining) [2023-11-30 02:00:20,795 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (17 of 39 remaining) [2023-11-30 02:00:20,795 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 39 remaining) [2023-11-30 02:00:20,795 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONDATA_RACE (15 of 39 remaining) [2023-11-30 02:00:20,795 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr1ASSERT_VIOLATIONDATA_RACE (14 of 39 remaining) [2023-11-30 02:00:20,795 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr2ASSERT_VIOLATIONDATA_RACE (13 of 39 remaining) [2023-11-30 02:00:20,796 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr3ASSERT_VIOLATIONDATA_RACE (12 of 39 remaining) [2023-11-30 02:00:20,796 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr4ASSERT_VIOLATIONDATA_RACE (11 of 39 remaining) [2023-11-30 02:00:20,796 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr5ASSERT_VIOLATIONDATA_RACE (10 of 39 remaining) [2023-11-30 02:00:20,796 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr6ASSERT_VIOLATIONDATA_RACE (9 of 39 remaining) [2023-11-30 02:00:20,796 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr7ASSERT_VIOLATIONDATA_RACE (8 of 39 remaining) [2023-11-30 02:00:20,796 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 39 remaining) [2023-11-30 02:00:20,796 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 39 remaining) [2023-11-30 02:00:20,796 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr2ASSERT_VIOLATIONDATA_RACE (5 of 39 remaining) [2023-11-30 02:00:20,796 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 39 remaining) [2023-11-30 02:00:20,796 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr4ASSERT_VIOLATIONDATA_RACE (3 of 39 remaining) [2023-11-30 02:00:20,796 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr5ASSERT_VIOLATIONDATA_RACE (2 of 39 remaining) [2023-11-30 02:00:20,796 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr6ASSERT_VIOLATIONDATA_RACE (1 of 39 remaining) [2023-11-30 02:00:20,796 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr7ASSERT_VIOLATIONDATA_RACE (0 of 39 remaining) [2023-11-30 02:00:20,797 INFO L457 BasicCegarLoop]: Path program histogram: [5, 5, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 02:00:20,801 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-30 02:00:20,801 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-11-30 02:00:20,804 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 02:00:20 BasicIcfg [2023-11-30 02:00:20,804 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-30 02:00:20,804 INFO L158 Benchmark]: Toolchain (without parser) took 811429.36ms. Allocated memory was 423.6MB in the beginning and 7.4GB in the end (delta: 7.0GB). Free memory was 365.0MB in the beginning and 4.8GB in the end (delta: -4.4GB). Peak memory consumption was 3.6GB. Max. memory is 16.0GB. [2023-11-30 02:00:20,804 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 314.6MB. Free memory is still 260.5MB. There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 02:00:20,804 INFO L158 Benchmark]: CACSL2BoogieTranslator took 651.36ms. Allocated memory is still 423.6MB. Free memory was 364.8MB in the beginning and 383.1MB in the end (delta: -18.3MB). Peak memory consumption was 48.2MB. Max. memory is 16.0GB. [2023-11-30 02:00:20,805 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.67ms. Allocated memory is still 423.6MB. Free memory was 383.1MB in the beginning and 378.5MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-11-30 02:00:20,805 INFO L158 Benchmark]: Boogie Preprocessor took 43.79ms. Allocated memory is still 423.6MB. Free memory was 378.5MB in the beginning and 375.2MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-11-30 02:00:20,805 INFO L158 Benchmark]: RCFGBuilder took 690.83ms. Allocated memory is still 423.6MB. Free memory was 375.2MB in the beginning and 338.6MB in the end (delta: 36.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.0GB. [2023-11-30 02:00:20,805 INFO L158 Benchmark]: TraceAbstraction took 809986.25ms. Allocated memory was 423.6MB in the beginning and 7.4GB in the end (delta: 7.0GB). Free memory was 338.4MB in the beginning and 4.8GB in the end (delta: -4.5GB). Peak memory consumption was 3.5GB. Max. memory is 16.0GB. [2023-11-30 02:00:20,806 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 314.6MB. Free memory is still 260.5MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 651.36ms. Allocated memory is still 423.6MB. Free memory was 364.8MB in the beginning and 383.1MB in the end (delta: -18.3MB). Peak memory consumption was 48.2MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 51.67ms. Allocated memory is still 423.6MB. Free memory was 383.1MB in the beginning and 378.5MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 43.79ms. Allocated memory is still 423.6MB. Free memory was 378.5MB in the beginning and 375.2MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * RCFGBuilder took 690.83ms. Allocated memory is still 423.6MB. Free memory was 375.2MB in the beginning and 338.6MB in the end (delta: 36.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.0GB. * TraceAbstraction took 809986.25ms. Allocated memory was 423.6MB in the beginning and 7.4GB in the end (delta: 7.0GB). Free memory was 338.4MB in the beginning and 4.8GB in the end (delta: -4.5GB). Peak memory consumption was 3.5GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 1261]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (29states, 107/303 universal loopers) in iteration 33,while PetriNetUnfolder was constructing finite prefix that currently has 736572 conditions, 34121 events (13863/34120 cut-off events. For 1624757/1632618 co-relation queries the response was YES. Maximal size of possible extension queue 634. Compared 348414 event pairs, 585 based on Foata normal form. 275/33493 useless extension candidates. Maximal degree in co-relation 733957. Up to 21836 conditions per place.). - TimeoutResultAtElement [Line: 1228]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (29states, 107/303 universal loopers) in iteration 33,while PetriNetUnfolder was constructing finite prefix that currently has 736572 conditions, 34121 events (13863/34120 cut-off events. For 1624757/1632618 co-relation queries the response was YES. Maximal size of possible extension queue 634. Compared 348414 event pairs, 585 based on Foata normal form. 275/33493 useless extension candidates. Maximal degree in co-relation 733957. Up to 21836 conditions per place.). - TimeoutResultAtElement [Line: 1229]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (29states, 107/303 universal loopers) in iteration 33,while PetriNetUnfolder was constructing finite prefix that currently has 736572 conditions, 34121 events (13863/34120 cut-off events. For 1624757/1632618 co-relation queries the response was YES. Maximal size of possible extension queue 634. Compared 348414 event pairs, 585 based on Foata normal form. 275/33493 useless extension candidates. Maximal degree in co-relation 733957. Up to 21836 conditions per place.). - TimeoutResultAtElement [Line: 1246]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (29states, 107/303 universal loopers) in iteration 33,while PetriNetUnfolder was constructing finite prefix that currently has 736572 conditions, 34121 events (13863/34120 cut-off events. For 1624757/1632618 co-relation queries the response was YES. Maximal size of possible extension queue 634. Compared 348414 event pairs, 585 based on Foata normal form. 275/33493 useless extension candidates. Maximal degree in co-relation 733957. Up to 21836 conditions per place.). - TimeoutResultAtElement [Line: 1247]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (29states, 107/303 universal loopers) in iteration 33,while PetriNetUnfolder was constructing finite prefix that currently has 736572 conditions, 34121 events (13863/34120 cut-off events. For 1624757/1632618 co-relation queries the response was YES. Maximal size of possible extension queue 634. Compared 348414 event pairs, 585 based on Foata normal form. 275/33493 useless extension candidates. Maximal degree in co-relation 733957. Up to 21836 conditions per place.). - TimeoutResultAtElement [Line: 1228]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (29states, 107/303 universal loopers) in iteration 33,while PetriNetUnfolder was constructing finite prefix that currently has 736572 conditions, 34121 events (13863/34120 cut-off events. For 1624757/1632618 co-relation queries the response was YES. Maximal size of possible extension queue 634. Compared 348414 event pairs, 585 based on Foata normal form. 275/33493 useless extension candidates. Maximal degree in co-relation 733957. Up to 21836 conditions per place.). - TimeoutResultAtElement [Line: 1229]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (29states, 107/303 universal loopers) in iteration 33,while PetriNetUnfolder was constructing finite prefix that currently has 736572 conditions, 34121 events (13863/34120 cut-off events. For 1624757/1632618 co-relation queries the response was YES. Maximal size of possible extension queue 634. Compared 348414 event pairs, 585 based on Foata normal form. 275/33493 useless extension candidates. Maximal degree in co-relation 733957. Up to 21836 conditions per place.). - TimeoutResultAtElement [Line: 1248]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (29states, 107/303 universal loopers) in iteration 33,while PetriNetUnfolder was constructing finite prefix that currently has 736572 conditions, 34121 events (13863/34120 cut-off events. For 1624757/1632618 co-relation queries the response was YES. Maximal size of possible extension queue 634. Compared 348414 event pairs, 585 based on Foata normal form. 275/33493 useless extension candidates. Maximal degree in co-relation 733957. Up to 21836 conditions per place.). - TimeoutResultAtElement [Line: 1248]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (29states, 107/303 universal loopers) in iteration 33,while PetriNetUnfolder was constructing finite prefix that currently has 736572 conditions, 34121 events (13863/34120 cut-off events. For 1624757/1632618 co-relation queries the response was YES. Maximal size of possible extension queue 634. Compared 348414 event pairs, 585 based on Foata normal form. 275/33493 useless extension candidates. Maximal degree in co-relation 733957. Up to 21836 conditions per place.). - TimeoutResultAtElement [Line: 1249]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (29states, 107/303 universal loopers) in iteration 33,while PetriNetUnfolder was constructing finite prefix that currently has 736572 conditions, 34121 events (13863/34120 cut-off events. For 1624757/1632618 co-relation queries the response was YES. Maximal size of possible extension queue 634. Compared 348414 event pairs, 585 based on Foata normal form. 275/33493 useless extension candidates. Maximal degree in co-relation 733957. Up to 21836 conditions per place.). - TimeoutResultAtElement [Line: 1250]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (29states, 107/303 universal loopers) in iteration 33,while PetriNetUnfolder was constructing finite prefix that currently has 736572 conditions, 34121 events (13863/34120 cut-off events. For 1624757/1632618 co-relation queries the response was YES. Maximal size of possible extension queue 634. Compared 348414 event pairs, 585 based on Foata normal form. 275/33493 useless extension candidates. Maximal degree in co-relation 733957. Up to 21836 conditions per place.). - TimeoutResultAtElement [Line: 1228]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (29states, 107/303 universal loopers) in iteration 33,while PetriNetUnfolder was constructing finite prefix that currently has 736572 conditions, 34121 events (13863/34120 cut-off events. For 1624757/1632618 co-relation queries the response was YES. Maximal size of possible extension queue 634. Compared 348414 event pairs, 585 based on Foata normal form. 275/33493 useless extension candidates. Maximal degree in co-relation 733957. Up to 21836 conditions per place.). - TimeoutResultAtElement [Line: 1229]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (29states, 107/303 universal loopers) in iteration 33,while PetriNetUnfolder was constructing finite prefix that currently has 736572 conditions, 34121 events (13863/34120 cut-off events. For 1624757/1632618 co-relation queries the response was YES. Maximal size of possible extension queue 634. Compared 348414 event pairs, 585 based on Foata normal form. 275/33493 useless extension candidates. Maximal degree in co-relation 733957. Up to 21836 conditions per place.). - TimeoutResultAtElement [Line: 1228]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (29states, 107/303 universal loopers) in iteration 33,while PetriNetUnfolder was constructing finite prefix that currently has 736572 conditions, 34121 events (13863/34120 cut-off events. For 1624757/1632618 co-relation queries the response was YES. Maximal size of possible extension queue 634. Compared 348414 event pairs, 585 based on Foata normal form. 275/33493 useless extension candidates. Maximal degree in co-relation 733957. Up to 21836 conditions per place.). - TimeoutResultAtElement [Line: 1229]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (29states, 107/303 universal loopers) in iteration 33,while PetriNetUnfolder was constructing finite prefix that currently has 736572 conditions, 34121 events (13863/34120 cut-off events. For 1624757/1632618 co-relation queries the response was YES. Maximal size of possible extension queue 634. Compared 348414 event pairs, 585 based on Foata normal form. 275/33493 useless extension candidates. Maximal degree in co-relation 733957. Up to 21836 conditions per place.). - TimeoutResultAtElement [Line: 1253]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (29states, 107/303 universal loopers) in iteration 33,while PetriNetUnfolder was constructing finite prefix that currently has 736572 conditions, 34121 events (13863/34120 cut-off events. For 1624757/1632618 co-relation queries the response was YES. Maximal size of possible extension queue 634. Compared 348414 event pairs, 585 based on Foata normal form. 275/33493 useless extension candidates. Maximal degree in co-relation 733957. Up to 21836 conditions per place.). - TimeoutResultAtElement [Line: 1253]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (29states, 107/303 universal loopers) in iteration 33,while PetriNetUnfolder was constructing finite prefix that currently has 736572 conditions, 34121 events (13863/34120 cut-off events. For 1624757/1632618 co-relation queries the response was YES. Maximal size of possible extension queue 634. Compared 348414 event pairs, 585 based on Foata normal form. 275/33493 useless extension candidates. Maximal degree in co-relation 733957. Up to 21836 conditions per place.). - TimeoutResultAtElement [Line: 1256]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (29states, 107/303 universal loopers) in iteration 33,while PetriNetUnfolder was constructing finite prefix that currently has 736572 conditions, 34121 events (13863/34120 cut-off events. For 1624757/1632618 co-relation queries the response was YES. Maximal size of possible extension queue 634. Compared 348414 event pairs, 585 based on Foata normal form. 275/33493 useless extension candidates. Maximal degree in co-relation 733957. Up to 21836 conditions per place.). - TimeoutResultAtElement [Line: 1256]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (29states, 107/303 universal loopers) in iteration 33,while PetriNetUnfolder was constructing finite prefix that currently has 736572 conditions, 34121 events (13863/34120 cut-off events. For 1624757/1632618 co-relation queries the response was YES. Maximal size of possible extension queue 634. Compared 348414 event pairs, 585 based on Foata normal form. 275/33493 useless extension candidates. Maximal degree in co-relation 733957. Up to 21836 conditions per place.). - TimeoutResultAtElement [Line: 1257]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (29states, 107/303 universal loopers) in iteration 33,while PetriNetUnfolder was constructing finite prefix that currently has 736572 conditions, 34121 events (13863/34120 cut-off events. For 1624757/1632618 co-relation queries the response was YES. Maximal size of possible extension queue 634. Compared 348414 event pairs, 585 based on Foata normal form. 275/33493 useless extension candidates. Maximal degree in co-relation 733957. Up to 21836 conditions per place.). - TimeoutResultAtElement [Line: 1260]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (29states, 107/303 universal loopers) in iteration 33,while PetriNetUnfolder was constructing finite prefix that currently has 736572 conditions, 34121 events (13863/34120 cut-off events. For 1624757/1632618 co-relation queries the response was YES. Maximal size of possible extension queue 634. Compared 348414 event pairs, 585 based on Foata normal form. 275/33493 useless extension candidates. Maximal degree in co-relation 733957. Up to 21836 conditions per place.). - TimeoutResultAtElement [Line: 1260]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (29states, 107/303 universal loopers) in iteration 33,while PetriNetUnfolder was constructing finite prefix that currently has 736572 conditions, 34121 events (13863/34120 cut-off events. For 1624757/1632618 co-relation queries the response was YES. Maximal size of possible extension queue 634. Compared 348414 event pairs, 585 based on Foata normal form. 275/33493 useless extension candidates. Maximal degree in co-relation 733957. Up to 21836 conditions per place.). - TimeoutResultAtElement [Line: 1254]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (29states, 107/303 universal loopers) in iteration 33,while PetriNetUnfolder was constructing finite prefix that currently has 736572 conditions, 34121 events (13863/34120 cut-off events. For 1624757/1632618 co-relation queries the response was YES. Maximal size of possible extension queue 634. Compared 348414 event pairs, 585 based on Foata normal form. 275/33493 useless extension candidates. Maximal degree in co-relation 733957. Up to 21836 conditions per place.). - TimeoutResultAtElement [Line: 1235]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (29states, 107/303 universal loopers) in iteration 33,while PetriNetUnfolder was constructing finite prefix that currently has 736572 conditions, 34121 events (13863/34120 cut-off events. For 1624757/1632618 co-relation queries the response was YES. Maximal size of possible extension queue 634. Compared 348414 event pairs, 585 based on Foata normal form. 275/33493 useless extension candidates. Maximal degree in co-relation 733957. Up to 21836 conditions per place.). - TimeoutResultAtElement [Line: 1235]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (29states, 107/303 universal loopers) in iteration 33,while PetriNetUnfolder was constructing finite prefix that currently has 736572 conditions, 34121 events (13863/34120 cut-off events. For 1624757/1632618 co-relation queries the response was YES. Maximal size of possible extension queue 634. Compared 348414 event pairs, 585 based on Foata normal form. 275/33493 useless extension candidates. Maximal degree in co-relation 733957. Up to 21836 conditions per place.). - TimeoutResultAtElement [Line: 1235]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (29states, 107/303 universal loopers) in iteration 33,while PetriNetUnfolder was constructing finite prefix that currently has 736572 conditions, 34121 events (13863/34120 cut-off events. For 1624757/1632618 co-relation queries the response was YES. Maximal size of possible extension queue 634. Compared 348414 event pairs, 585 based on Foata normal form. 275/33493 useless extension candidates. Maximal degree in co-relation 733957. Up to 21836 conditions per place.). - TimeoutResultAtElement [Line: 1235]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (29states, 107/303 universal loopers) in iteration 33,while PetriNetUnfolder was constructing finite prefix that currently has 736572 conditions, 34121 events (13863/34120 cut-off events. For 1624757/1632618 co-relation queries the response was YES. Maximal size of possible extension queue 634. Compared 348414 event pairs, 585 based on Foata normal form. 275/33493 useless extension candidates. Maximal degree in co-relation 733957. Up to 21836 conditions per place.). - TimeoutResultAtElement [Line: 1238]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (29states, 107/303 universal loopers) in iteration 33,while PetriNetUnfolder was constructing finite prefix that currently has 736572 conditions, 34121 events (13863/34120 cut-off events. For 1624757/1632618 co-relation queries the response was YES. Maximal size of possible extension queue 634. Compared 348414 event pairs, 585 based on Foata normal form. 275/33493 useless extension candidates. Maximal degree in co-relation 733957. Up to 21836 conditions per place.). - TimeoutResultAtElement [Line: 1238]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (29states, 107/303 universal loopers) in iteration 33,while PetriNetUnfolder was constructing finite prefix that currently has 736572 conditions, 34121 events (13863/34120 cut-off events. For 1624757/1632618 co-relation queries the response was YES. Maximal size of possible extension queue 634. Compared 348414 event pairs, 585 based on Foata normal form. 275/33493 useless extension candidates. Maximal degree in co-relation 733957. Up to 21836 conditions per place.). - TimeoutResultAtElement [Line: 1238]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (29states, 107/303 universal loopers) in iteration 33,while PetriNetUnfolder was constructing finite prefix that currently has 736572 conditions, 34121 events (13863/34120 cut-off events. For 1624757/1632618 co-relation queries the response was YES. Maximal size of possible extension queue 634. Compared 348414 event pairs, 585 based on Foata normal form. 275/33493 useless extension candidates. Maximal degree in co-relation 733957. Up to 21836 conditions per place.). - TimeoutResultAtElement [Line: 1238]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (29states, 107/303 universal loopers) in iteration 33,while PetriNetUnfolder was constructing finite prefix that currently has 736572 conditions, 34121 events (13863/34120 cut-off events. For 1624757/1632618 co-relation queries the response was YES. Maximal size of possible extension queue 634. Compared 348414 event pairs, 585 based on Foata normal form. 275/33493 useless extension candidates. Maximal degree in co-relation 733957. Up to 21836 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 377 locations, 39 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: 809.8s, OverallIterations: 33, TraceHistogramMax: 1, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 765.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17516 SdHoareTripleChecker+Valid, 37.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17516 mSDsluCounter, 19788 SdHoareTripleChecker+Invalid, 31.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16854 mSDsCounter, 4547 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 77552 IncrementalHoareTripleChecker+Invalid, 82099 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4547 mSolverCounterUnsat, 2934 mSDtfsCounter, 77552 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1394 GetRequests, 256 SyntacticMatches, 0 SemanticMatches, 1138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18327 ImplicationChecksByTransitivity, 20.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=671795occurred in iteration=32, InterpolantAutomatonStates: 846, 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: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 41.6s InterpolantComputationTime, 5794 NumberOfCodeBlocks, 5794 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 5761 ConstructedInterpolants, 0 QuantifiedInterpolants, 77776 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 33 InterpolantComputations, 33 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown