/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/pthread/queue_longest.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-30 00:06:22,105 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-30 00:06:22,155 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 00:06:22,171 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-30 00:06:22,172 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-30 00:06:22,172 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-30 00:06:22,172 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-30 00:06:22,173 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-30 00:06:22,173 INFO L153 SettingsManager]: * Use SBE=true [2023-11-30 00:06:22,173 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-30 00:06:22,173 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-30 00:06:22,174 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-30 00:06:22,174 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-30 00:06:22,174 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-30 00:06:22,174 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-30 00:06:22,174 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-30 00:06:22,174 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-30 00:06:22,175 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-30 00:06:22,175 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-30 00:06:22,175 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-30 00:06:22,175 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-30 00:06:22,176 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-30 00:06:22,176 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-30 00:06:22,176 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-30 00:06:22,176 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-30 00:06:22,176 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 00:06:22,176 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-30 00:06:22,177 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-30 00:06:22,177 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-30 00:06:22,177 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-30 00:06:22,177 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-30 00:06:22,177 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-30 00:06:22,178 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-30 00:06:22,178 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2023-11-30 00:06:22,373 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-30 00:06:22,393 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-30 00:06:22,397 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-30 00:06:22,398 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-30 00:06:22,399 INFO L274 PluginConnector]: CDTParser initialized [2023-11-30 00:06:22,399 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/queue_longest.i [2023-11-30 00:06:23,388 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-30 00:06:23,609 INFO L384 CDTParser]: Found 1 translation units. [2023-11-30 00:06:23,609 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longest.i [2023-11-30 00:06:23,628 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a79c244e2/7fc25524d6474af69f6f420a0a5156c7/FLAG7de05ebc3 [2023-11-30 00:06:23,640 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a79c244e2/7fc25524d6474af69f6f420a0a5156c7 [2023-11-30 00:06:23,641 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-30 00:06:23,642 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-30 00:06:23,643 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-30 00:06:23,643 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-30 00:06:23,647 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-30 00:06:23,647 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:06:23" (1/1) ... [2023-11-30 00:06:23,648 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b66885e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:23, skipping insertion in model container [2023-11-30 00:06:23,649 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:06:23" (1/1) ... [2023-11-30 00:06:23,687 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-30 00:06:24,039 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 00:06:24,053 INFO L202 MainTranslator]: Completed pre-run [2023-11-30 00:06:24,112 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 00:06:24,153 INFO L206 MainTranslator]: Completed translation [2023-11-30 00:06:24,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:24 WrapperNode [2023-11-30 00:06:24,154 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-30 00:06:24,155 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-30 00:06:24,156 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-30 00:06:24,156 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-30 00:06:24,160 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:24" (1/1) ... [2023-11-30 00:06:24,192 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:24" (1/1) ... [2023-11-30 00:06:24,235 INFO L138 Inliner]: procedures = 275, calls = 66, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 500 [2023-11-30 00:06:24,236 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-30 00:06:24,236 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-30 00:06:24,236 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-30 00:06:24,236 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-30 00:06:24,242 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:24" (1/1) ... [2023-11-30 00:06:24,243 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:24" (1/1) ... [2023-11-30 00:06:24,252 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:24" (1/1) ... [2023-11-30 00:06:24,253 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:24" (1/1) ... [2023-11-30 00:06:24,278 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:24" (1/1) ... [2023-11-30 00:06:24,281 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:24" (1/1) ... [2023-11-30 00:06:24,296 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:24" (1/1) ... [2023-11-30 00:06:24,298 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:24" (1/1) ... [2023-11-30 00:06:24,302 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-30 00:06:24,303 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-30 00:06:24,303 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-30 00:06:24,303 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-30 00:06:24,303 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:24" (1/1) ... [2023-11-30 00:06:24,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 00:06:24,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 00:06:24,350 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 00:06:24,376 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 00:06:24,382 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-30 00:06:24,382 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-30 00:06:24,382 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-30 00:06:24,382 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-30 00:06:24,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-30 00:06:24,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-30 00:06:24,383 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-30 00:06:24,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-30 00:06:24,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-30 00:06:24,387 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-30 00:06:24,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-30 00:06:24,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-30 00:06:24,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-30 00:06:24,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-30 00:06:24,388 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 00:06:24,521 INFO L241 CfgBuilder]: Building ICFG [2023-11-30 00:06:24,522 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-30 00:06:25,178 INFO L282 CfgBuilder]: Performing block encoding [2023-11-30 00:06:25,205 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-30 00:06:25,205 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-30 00:06:25,207 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:06:25 BoogieIcfgContainer [2023-11-30 00:06:25,207 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-30 00:06:25,209 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-30 00:06:25,210 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-30 00:06:25,212 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-30 00:06:25,212 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:06:23" (1/3) ... [2023-11-30 00:06:25,212 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fe12568 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:06:25, skipping insertion in model container [2023-11-30 00:06:25,212 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:24" (2/3) ... [2023-11-30 00:06:25,213 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fe12568 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:06:25, skipping insertion in model container [2023-11-30 00:06:25,213 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:06:25" (3/3) ... [2023-11-30 00:06:25,213 INFO L112 eAbstractionObserver]: Analyzing ICFG queue_longest.i [2023-11-30 00:06:25,224 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-30 00:06:25,225 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 44 error locations. [2023-11-30 00:06:25,225 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-30 00:06:25,353 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-30 00:06:25,393 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 558 places, 569 transitions, 1152 flow [2023-11-30 00:06:25,574 INFO L124 PetriNetUnfolderBase]: 18/567 cut-off events. [2023-11-30 00:06:25,575 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-30 00:06:25,587 INFO L83 FinitePrefix]: Finished finitePrefix Result has 576 conditions, 567 events. 18/567 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 849 event pairs, 0 based on Foata normal form. 0/505 useless extension candidates. Maximal degree in co-relation 436. Up to 2 conditions per place. [2023-11-30 00:06:25,587 INFO L82 GeneralOperation]: Start removeDead. Operand has 558 places, 569 transitions, 1152 flow [2023-11-30 00:06:25,594 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 546 places, 557 transitions, 1123 flow [2023-11-30 00:06:25,600 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-30 00:06:25,604 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;@42ac7958, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-30 00:06:25,604 INFO L363 AbstractCegarLoop]: Starting to check reachability of 81 error locations. [2023-11-30 00:06:25,607 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-30 00:06:25,607 INFO L124 PetriNetUnfolderBase]: 0/28 cut-off events. [2023-11-30 00:06:25,607 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 00:06:25,608 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 00:06:25,608 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] [2023-11-30 00:06:25,608 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2023-11-30 00:06:25,611 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 00:06:25,612 INFO L85 PathProgramCache]: Analyzing trace with hash 91691771, now seen corresponding path program 1 times [2023-11-30 00:06:25,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 00:06:25,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782115785] [2023-11-30 00:06:25,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 00:06:25,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 00:06:25,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 00:06:25,815 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 00:06:25,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 00:06:25,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782115785] [2023-11-30 00:06:25,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782115785] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 00:06:25,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 00:06:25,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 00:06:25,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015545084] [2023-11-30 00:06:25,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 00:06:25,823 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 00:06:25,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 00:06:25,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 00:06:25,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 00:06:25,848 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 531 out of 569 [2023-11-30 00:06:25,854 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 546 places, 557 transitions, 1123 flow. Second operand has 3 states, 3 states have (on average 532.3333333333334) internal successors, (1597), 3 states have internal predecessors, (1597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:06:25,854 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 00:06:25,854 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 531 of 569 [2023-11-30 00:06:25,855 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 00:06:26,223 INFO L124 PetriNetUnfolderBase]: 118/1989 cut-off events. [2023-11-30 00:06:26,223 INFO L125 PetriNetUnfolderBase]: For 36/36 co-relation queries the response was YES. [2023-11-30 00:06:26,233 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2193 conditions, 1989 events. 118/1989 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 9979 event pairs, 65 based on Foata normal form. 52/1810 useless extension candidates. Maximal degree in co-relation 2006. Up to 167 conditions per place. [2023-11-30 00:06:26,240 INFO L140 encePairwiseOnDemand]: 559/569 looper letters, 21 selfloop transitions, 2 changer transitions 0/535 dead transitions. [2023-11-30 00:06:26,241 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 534 places, 535 transitions, 1125 flow [2023-11-30 00:06:26,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 00:06:26,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 00:06:26,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1624 transitions. [2023-11-30 00:06:26,256 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9513766842413591 [2023-11-30 00:06:26,256 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1624 transitions. [2023-11-30 00:06:26,257 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1624 transitions. [2023-11-30 00:06:26,259 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 00:06:26,261 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1624 transitions. [2023-11-30 00:06:26,266 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 541.3333333333334) internal successors, (1624), 3 states have internal predecessors, (1624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:06:26,273 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 569.0) internal successors, (2276), 4 states have internal predecessors, (2276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:06:26,273 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 569.0) internal successors, (2276), 4 states have internal predecessors, (2276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:06:26,281 INFO L307 CegarLoopForPetriNet]: 546 programPoint places, -12 predicate places. [2023-11-30 00:06:26,281 INFO L500 AbstractCegarLoop]: Abstraction has has 534 places, 535 transitions, 1125 flow [2023-11-30 00:06:26,282 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 532.3333333333334) internal successors, (1597), 3 states have internal predecessors, (1597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:06:26,282 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 00:06:26,282 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] [2023-11-30 00:06:26,283 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-30 00:06:26,283 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2023-11-30 00:06:26,283 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 00:06:26,283 INFO L85 PathProgramCache]: Analyzing trace with hash 140601170, now seen corresponding path program 1 times [2023-11-30 00:06:26,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 00:06:26,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234176628] [2023-11-30 00:06:26,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 00:06:26,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 00:06:26,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 00:06:26,362 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 00:06:26,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 00:06:26,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234176628] [2023-11-30 00:06:26,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234176628] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 00:06:26,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 00:06:26,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 00:06:26,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821300164] [2023-11-30 00:06:26,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 00:06:26,363 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 00:06:26,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 00:06:26,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 00:06:26,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 00:06:26,366 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 531 out of 569 [2023-11-30 00:06:26,367 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 534 places, 535 transitions, 1125 flow. Second operand has 3 states, 3 states have (on average 532.3333333333334) internal successors, (1597), 3 states have internal predecessors, (1597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:06:26,367 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 00:06:26,367 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 531 of 569 [2023-11-30 00:06:26,367 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 00:06:26,788 INFO L124 PetriNetUnfolderBase]: 192/2728 cut-off events. [2023-11-30 00:06:26,788 INFO L125 PetriNetUnfolderBase]: For 209/282 co-relation queries the response was YES. [2023-11-30 00:06:26,797 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3221 conditions, 2728 events. 192/2728 cut-off events. For 209/282 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 16706 event pairs, 125 based on Foata normal form. 0/2384 useless extension candidates. Maximal degree in co-relation 2882. Up to 222 conditions per place. [2023-11-30 00:06:26,807 INFO L140 encePairwiseOnDemand]: 566/569 looper letters, 21 selfloop transitions, 2 changer transitions 0/534 dead transitions. [2023-11-30 00:06:26,807 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 535 places, 534 transitions, 1169 flow [2023-11-30 00:06:26,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 00:06:26,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 00:06:26,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1617 transitions. [2023-11-30 00:06:26,810 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9472759226713533 [2023-11-30 00:06:26,810 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1617 transitions. [2023-11-30 00:06:26,810 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1617 transitions. [2023-11-30 00:06:26,811 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 00:06:26,811 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1617 transitions. [2023-11-30 00:06:26,813 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 539.0) internal successors, (1617), 3 states have internal predecessors, (1617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:06:26,815 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 569.0) internal successors, (2276), 4 states have internal predecessors, (2276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:06:26,816 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 569.0) internal successors, (2276), 4 states have internal predecessors, (2276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:06:26,817 INFO L307 CegarLoopForPetriNet]: 546 programPoint places, -11 predicate places. [2023-11-30 00:06:26,817 INFO L500 AbstractCegarLoop]: Abstraction has has 535 places, 534 transitions, 1169 flow [2023-11-30 00:06:26,818 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 532.3333333333334) internal successors, (1597), 3 states have internal predecessors, (1597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:06:26,818 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 00:06:26,818 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] [2023-11-30 00:06:26,818 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-30 00:06:26,818 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2023-11-30 00:06:26,819 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 00:06:26,819 INFO L85 PathProgramCache]: Analyzing trace with hash 776661867, now seen corresponding path program 1 times [2023-11-30 00:06:26,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 00:06:26,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819663556] [2023-11-30 00:06:26,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 00:06:26,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 00:06:26,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 00:06:27,171 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 00:06:27,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 00:06:27,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819663556] [2023-11-30 00:06:27,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819663556] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 00:06:27,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 00:06:27,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 00:06:27,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515724757] [2023-11-30 00:06:27,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 00:06:27,174 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 00:06:27,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 00:06:27,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 00:06:27,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 00:06:27,176 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 323 out of 569 [2023-11-30 00:06:27,178 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 535 places, 534 transitions, 1169 flow. Second operand has 6 states, 6 states have (on average 324.5) internal successors, (1947), 6 states have internal predecessors, (1947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:06:27,179 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 00:06:27,180 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 323 of 569 [2023-11-30 00:06:27,181 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 00:06:55,066 INFO L124 PetriNetUnfolderBase]: 100493/210304 cut-off events. [2023-11-30 00:06:55,066 INFO L125 PetriNetUnfolderBase]: For 24523/28456 co-relation queries the response was YES. [2023-11-30 00:06:55,642 INFO L83 FinitePrefix]: Finished finitePrefix Result has 379501 conditions, 210304 events. 100493/210304 cut-off events. For 24523/28456 co-relation queries the response was YES. Maximal size of possible extension queue 1115. Compared 2159535 event pairs, 96436 based on Foata normal form. 0/180799 useless extension candidates. Maximal degree in co-relation 378118. Up to 151511 conditions per place. [2023-11-30 00:06:56,687 INFO L140 encePairwiseOnDemand]: 563/569 looper letters, 227 selfloop transitions, 5 changer transitions 0/533 dead transitions. [2023-11-30 00:06:56,687 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 539 places, 533 transitions, 1631 flow [2023-11-30 00:06:56,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 00:06:56,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 00:06:56,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2171 transitions. [2023-11-30 00:06:56,691 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6359109548916227 [2023-11-30 00:06:56,691 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2171 transitions. [2023-11-30 00:06:56,691 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2171 transitions. [2023-11-30 00:06:56,692 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 00:06:56,692 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2171 transitions. [2023-11-30 00:06:56,695 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 361.8333333333333) internal successors, (2171), 6 states have internal predecessors, (2171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:06:56,700 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 569.0) internal successors, (3983), 7 states have internal predecessors, (3983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:06:56,702 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 569.0) internal successors, (3983), 7 states have internal predecessors, (3983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:06:56,702 INFO L307 CegarLoopForPetriNet]: 546 programPoint places, -7 predicate places. [2023-11-30 00:06:56,702 INFO L500 AbstractCegarLoop]: Abstraction has has 539 places, 533 transitions, 1631 flow [2023-11-30 00:06:56,703 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 324.5) internal successors, (1947), 6 states have internal predecessors, (1947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:06:56,703 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 00:06:56,703 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] [2023-11-30 00:06:56,704 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-30 00:06:56,704 INFO L425 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2023-11-30 00:06:56,704 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 00:06:56,704 INFO L85 PathProgramCache]: Analyzing trace with hash -2063772648, now seen corresponding path program 1 times [2023-11-30 00:06:56,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 00:06:56,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780159201] [2023-11-30 00:06:56,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 00:06:56,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 00:06:56,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 00:06:56,932 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 00:06:56,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 00:06:56,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780159201] [2023-11-30 00:06:56,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780159201] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 00:06:56,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 00:06:56,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 00:06:56,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627894986] [2023-11-30 00:06:56,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 00:06:56,934 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 00:06:56,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 00:06:56,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 00:06:56,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 00:06:56,937 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 323 out of 569 [2023-11-30 00:06:56,938 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 539 places, 533 transitions, 1631 flow. Second operand has 6 states, 6 states have (on average 325.5) internal successors, (1953), 6 states have internal predecessors, (1953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:06:56,939 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 00:06:56,939 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 323 of 569 [2023-11-30 00:06:56,939 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 00:07:29,120 INFO L124 PetriNetUnfolderBase]: 100493/210303 cut-off events. [2023-11-30 00:07:29,120 INFO L125 PetriNetUnfolderBase]: For 38136/47511 co-relation queries the response was YES. [2023-11-30 00:07:30,043 INFO L83 FinitePrefix]: Finished finitePrefix Result has 531014 conditions, 210303 events. 100493/210303 cut-off events. For 38136/47511 co-relation queries the response was YES. Maximal size of possible extension queue 1115. Compared 2157591 event pairs, 96436 based on Foata normal form. 0/180799 useless extension candidates. Maximal degree in co-relation 529337. Up to 151510 conditions per place. [2023-11-30 00:07:31,235 INFO L140 encePairwiseOnDemand]: 563/569 looper letters, 226 selfloop transitions, 5 changer transitions 0/532 dead transitions. [2023-11-30 00:07:31,235 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 543 places, 532 transitions, 2089 flow [2023-11-30 00:07:31,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 00:07:31,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 00:07:31,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2170 transitions. [2023-11-30 00:07:31,239 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.635618043350908 [2023-11-30 00:07:31,239 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2170 transitions. [2023-11-30 00:07:31,239 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2170 transitions. [2023-11-30 00:07:31,240 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 00:07:31,240 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2170 transitions. [2023-11-30 00:07:31,244 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 361.6666666666667) internal successors, (2170), 6 states have internal predecessors, (2170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:07:31,249 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 569.0) internal successors, (3983), 7 states have internal predecessors, (3983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:07:31,250 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 569.0) internal successors, (3983), 7 states have internal predecessors, (3983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:07:31,252 INFO L307 CegarLoopForPetriNet]: 546 programPoint places, -3 predicate places. [2023-11-30 00:07:31,252 INFO L500 AbstractCegarLoop]: Abstraction has has 543 places, 532 transitions, 2089 flow [2023-11-30 00:07:31,253 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 325.5) internal successors, (1953), 6 states have internal predecessors, (1953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:07:31,253 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 00:07:31,253 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] [2023-11-30 00:07:31,253 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-30 00:07:31,253 INFO L425 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2023-11-30 00:07:31,254 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 00:07:31,254 INFO L85 PathProgramCache]: Analyzing trace with hash -988713233, now seen corresponding path program 1 times [2023-11-30 00:07:31,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 00:07:31,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444043781] [2023-11-30 00:07:31,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 00:07:31,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 00:07:31,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 00:07:31,514 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 00:07:31,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 00:07:31,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444043781] [2023-11-30 00:07:31,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444043781] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 00:07:31,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 00:07:31,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 00:07:31,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297581058] [2023-11-30 00:07:31,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 00:07:31,516 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 00:07:31,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 00:07:31,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 00:07:31,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 00:07:31,518 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 323 out of 569 [2023-11-30 00:07:31,520 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 543 places, 532 transitions, 2089 flow. Second operand has 6 states, 6 states have (on average 326.5) internal successors, (1959), 6 states have internal predecessors, (1959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:07:31,520 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 00:07:31,520 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 323 of 569 [2023-11-30 00:07:31,520 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 00:08:08,399 INFO L124 PetriNetUnfolderBase]: 100493/210302 cut-off events. [2023-11-30 00:08:08,399 INFO L125 PetriNetUnfolderBase]: For 61867/76684 co-relation queries the response was YES. [2023-11-30 00:08:09,120 INFO L83 FinitePrefix]: Finished finitePrefix Result has 682525 conditions, 210302 events. 100493/210302 cut-off events. For 61867/76684 co-relation queries the response was YES. Maximal size of possible extension queue 1115. Compared 2158559 event pairs, 96436 based on Foata normal form. 0/180799 useless extension candidates. Maximal degree in co-relation 680556. Up to 151509 conditions per place. [2023-11-30 00:08:10,464 INFO L140 encePairwiseOnDemand]: 563/569 looper letters, 225 selfloop transitions, 5 changer transitions 0/531 dead transitions. [2023-11-30 00:08:10,464 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 547 places, 531 transitions, 2543 flow [2023-11-30 00:08:10,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 00:08:10,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 00:08:10,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2169 transitions. [2023-11-30 00:08:10,486 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6353251318101933 [2023-11-30 00:08:10,486 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2169 transitions. [2023-11-30 00:08:10,486 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2169 transitions. [2023-11-30 00:08:10,487 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 00:08:10,487 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2169 transitions. [2023-11-30 00:08:10,490 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 361.5) internal successors, (2169), 6 states have internal predecessors, (2169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:08:10,493 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 569.0) internal successors, (3983), 7 states have internal predecessors, (3983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:08:10,494 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 569.0) internal successors, (3983), 7 states have internal predecessors, (3983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:08:10,495 INFO L307 CegarLoopForPetriNet]: 546 programPoint places, 1 predicate places. [2023-11-30 00:08:10,495 INFO L500 AbstractCegarLoop]: Abstraction has has 547 places, 531 transitions, 2543 flow [2023-11-30 00:08:10,495 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 326.5) internal successors, (1959), 6 states have internal predecessors, (1959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:08:10,495 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 00:08:10,496 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] [2023-11-30 00:08:10,496 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-30 00:08:10,496 INFO L425 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2023-11-30 00:08:10,496 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 00:08:10,496 INFO L85 PathProgramCache]: Analyzing trace with hash 832886265, now seen corresponding path program 1 times [2023-11-30 00:08:10,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 00:08:10,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12034888] [2023-11-30 00:08:10,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 00:08:10,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 00:08:10,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 00:08:10,762 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 00:08:10,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 00:08:10,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12034888] [2023-11-30 00:08:10,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12034888] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 00:08:10,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 00:08:10,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 00:08:10,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433223782] [2023-11-30 00:08:10,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 00:08:10,764 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 00:08:10,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 00:08:10,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 00:08:10,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 00:08:10,765 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 326 out of 569 [2023-11-30 00:08:10,766 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 547 places, 531 transitions, 2543 flow. Second operand has 6 states, 6 states have (on average 329.8333333333333) internal successors, (1979), 6 states have internal predecessors, (1979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:08:10,767 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 00:08:10,767 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 326 of 569 [2023-11-30 00:08:10,767 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand