/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/13-privatized_69-refine-protected-loop-interval_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-30 02:09:11,212 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-30 02:09:11,272 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 02:09:11,295 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-30 02:09:11,296 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-30 02:09:11,296 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-30 02:09:11,297 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-30 02:09:11,297 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-30 02:09:11,297 INFO L153 SettingsManager]: * Use SBE=true [2023-11-30 02:09:11,300 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-30 02:09:11,300 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-30 02:09:11,301 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-30 02:09:11,301 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-30 02:09:11,302 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-30 02:09:11,302 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-30 02:09:11,302 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-30 02:09:11,302 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-30 02:09:11,302 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-30 02:09:11,302 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-30 02:09:11,303 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-30 02:09:11,303 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-30 02:09:11,303 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-30 02:09:11,303 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-30 02:09:11,304 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-30 02:09:11,304 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-30 02:09:11,305 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 02:09:11,305 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-30 02:09:11,305 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-30 02:09:11,305 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-30 02:09:11,305 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-30 02:09:11,306 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-30 02:09:11,306 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-30 02:09:11,306 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-30 02:09:11,306 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2023-11-30 02:09:11,471 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-30 02:09:11,491 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-30 02:09:11,492 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-30 02:09:11,493 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-30 02:09:11,494 INFO L274 PluginConnector]: CDTParser initialized [2023-11-30 02:09:11,494 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_69-refine-protected-loop-interval_true.i [2023-11-30 02:09:12,490 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-30 02:09:12,676 INFO L384 CDTParser]: Found 1 translation units. [2023-11-30 02:09:12,676 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_69-refine-protected-loop-interval_true.i [2023-11-30 02:09:12,684 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5a67030f/4dfd69883ac4496c8fd10b93031af0b2/FLAG14b99792a [2023-11-30 02:09:12,693 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5a67030f/4dfd69883ac4496c8fd10b93031af0b2 [2023-11-30 02:09:12,694 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-30 02:09:12,695 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-30 02:09:12,696 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-30 02:09:12,696 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-30 02:09:12,699 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-30 02:09:12,699 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:09:12" (1/1) ... [2023-11-30 02:09:12,700 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2226843f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:09:12, skipping insertion in model container [2023-11-30 02:09:12,700 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:09:12" (1/1) ... [2023-11-30 02:09:12,723 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-30 02:09:12,944 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 02:09:12,955 INFO L202 MainTranslator]: Completed pre-run [2023-11-30 02:09:12,995 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 02:09:13,026 INFO L206 MainTranslator]: Completed translation [2023-11-30 02:09:13,027 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:09:13 WrapperNode [2023-11-30 02:09:13,027 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-30 02:09:13,027 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-30 02:09:13,027 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-30 02:09:13,028 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-30 02:09:13,031 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:09:13" (1/1) ... [2023-11-30 02:09:13,053 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:09:13" (1/1) ... [2023-11-30 02:09:13,072 INFO L138 Inliner]: procedures = 166, calls = 28, calls flagged for inlining = 8, calls inlined = 9, statements flattened = 136 [2023-11-30 02:09:13,073 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-30 02:09:13,073 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-30 02:09:13,073 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-30 02:09:13,073 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-30 02:09:13,079 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:09:13" (1/1) ... [2023-11-30 02:09:13,079 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:09:13" (1/1) ... [2023-11-30 02:09:13,088 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:09:13" (1/1) ... [2023-11-30 02:09:13,088 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:09:13" (1/1) ... [2023-11-30 02:09:13,094 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:09:13" (1/1) ... [2023-11-30 02:09:13,095 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:09:13" (1/1) ... [2023-11-30 02:09:13,096 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:09:13" (1/1) ... [2023-11-30 02:09:13,097 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:09:13" (1/1) ... [2023-11-30 02:09:13,099 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-30 02:09:13,099 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-30 02:09:13,099 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-30 02:09:13,099 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-30 02:09:13,100 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:09:13" (1/1) ... [2023-11-30 02:09:13,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 02:09:13,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 02:09:13,125 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 02:09:13,132 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 02:09:13,163 INFO L130 BoogieDeclarations]: Found specification of procedure worker [2023-11-30 02:09:13,163 INFO L138 BoogieDeclarations]: Found implementation of procedure worker [2023-11-30 02:09:13,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-30 02:09:13,163 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-30 02:09:13,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-30 02:09:13,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-30 02:09:13,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-30 02:09:13,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-30 02:09:13,164 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-30 02:09:13,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-30 02:09:13,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-30 02:09:13,165 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 02:09:13,291 INFO L241 CfgBuilder]: Building ICFG [2023-11-30 02:09:13,293 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-30 02:09:13,458 INFO L282 CfgBuilder]: Performing block encoding [2023-11-30 02:09:13,475 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-30 02:09:13,475 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-30 02:09:13,485 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:09:13 BoogieIcfgContainer [2023-11-30 02:09:13,486 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-30 02:09:13,487 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-30 02:09:13,487 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-30 02:09:13,489 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-30 02:09:13,489 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 02:09:12" (1/3) ... [2023-11-30 02:09:13,490 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20c38b37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 02:09:13, skipping insertion in model container [2023-11-30 02:09:13,490 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:09:13" (2/3) ... [2023-11-30 02:09:13,490 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20c38b37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 02:09:13, skipping insertion in model container [2023-11-30 02:09:13,490 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:09:13" (3/3) ... [2023-11-30 02:09:13,491 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_69-refine-protected-loop-interval_true.i [2023-11-30 02:09:13,504 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-30 02:09:13,504 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2023-11-30 02:09:13,504 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-30 02:09:13,558 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-30 02:09:13,585 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 151 places, 159 transitions, 322 flow [2023-11-30 02:09:13,625 INFO L124 PetriNetUnfolderBase]: 12/158 cut-off events. [2023-11-30 02:09:13,625 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 02:09:13,630 INFO L83 FinitePrefix]: Finished finitePrefix Result has 162 conditions, 158 events. 12/158 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 345 event pairs, 0 based on Foata normal form. 0/136 useless extension candidates. Maximal degree in co-relation 121. Up to 2 conditions per place. [2023-11-30 02:09:13,630 INFO L82 GeneralOperation]: Start removeDead. Operand has 151 places, 159 transitions, 322 flow [2023-11-30 02:09:13,634 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 150 places, 158 transitions, 319 flow [2023-11-30 02:09:13,640 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-30 02:09:13,645 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;@8191c74, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-30 02:09:13,645 INFO L363 AbstractCegarLoop]: Starting to check reachability of 17 error locations. [2023-11-30 02:09:13,649 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-30 02:09:13,650 INFO L124 PetriNetUnfolderBase]: 0/24 cut-off events. [2023-11-30 02:09:13,650 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 02:09:13,650 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:09:13,650 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] [2023-11-30 02:09:13,651 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2023-11-30 02:09:13,654 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:09:13,654 INFO L85 PathProgramCache]: Analyzing trace with hash -1310726491, now seen corresponding path program 1 times [2023-11-30 02:09:13,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:09:13,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236917887] [2023-11-30 02:09:13,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:09:13,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:09:13,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:09:13,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 02:09:13,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:09:13,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236917887] [2023-11-30 02:09:13,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236917887] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:09:13,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:09:13,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 02:09:13,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068073733] [2023-11-30 02:09:13,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:09:13,800 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 02:09:13,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:09:13,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 02:09:13,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 02:09:13,823 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 159 [2023-11-30 02:09:13,825 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 158 transitions, 319 flow. Second operand has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:09:13,826 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:09:13,826 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 159 [2023-11-30 02:09:13,826 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:09:14,043 INFO L124 PetriNetUnfolderBase]: 311/1175 cut-off events. [2023-11-30 02:09:14,043 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-30 02:09:14,048 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1737 conditions, 1175 events. 311/1175 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 7916 event pairs, 231 based on Foata normal form. 97/1071 useless extension candidates. Maximal degree in co-relation 1689. Up to 556 conditions per place. [2023-11-30 02:09:14,055 INFO L140 encePairwiseOnDemand]: 148/159 looper letters, 37 selfloop transitions, 2 changer transitions 0/141 dead transitions. [2023-11-30 02:09:14,055 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 141 transitions, 363 flow [2023-11-30 02:09:14,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 02:09:14,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 02:09:14,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 375 transitions. [2023-11-30 02:09:14,070 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7861635220125787 [2023-11-30 02:09:14,071 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 375 transitions. [2023-11-30 02:09:14,071 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 375 transitions. [2023-11-30 02:09:14,072 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:09:14,074 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 375 transitions. [2023-11-30 02:09:14,076 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 125.0) internal successors, (375), 3 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:09:14,079 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 159.0) internal successors, (636), 4 states have internal predecessors, (636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:09:14,079 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 159.0) internal successors, (636), 4 states have internal predecessors, (636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:09:14,082 INFO L307 CegarLoopForPetriNet]: 150 programPoint places, -8 predicate places. [2023-11-30 02:09:14,082 INFO L500 AbstractCegarLoop]: Abstraction has has 142 places, 141 transitions, 363 flow [2023-11-30 02:09:14,082 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:09:14,082 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:09:14,082 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 02:09:14,083 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-30 02:09:14,083 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2023-11-30 02:09:14,083 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:09:14,083 INFO L85 PathProgramCache]: Analyzing trace with hash 83021093, now seen corresponding path program 1 times [2023-11-30 02:09:14,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:09:14,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855325470] [2023-11-30 02:09:14,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:09:14,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:09:14,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:09:14,150 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 02:09:14,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:09:14,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855325470] [2023-11-30 02:09:14,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855325470] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:09:14,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:09:14,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 02:09:14,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156082449] [2023-11-30 02:09:14,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:09:14,152 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 02:09:14,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:09:14,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 02:09:14,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 02:09:14,153 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 159 [2023-11-30 02:09:14,154 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 141 transitions, 363 flow. Second operand has 3 states, 3 states have (on average 115.0) internal successors, (345), 3 states have internal predecessors, (345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:09:14,154 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:09:14,154 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 159 [2023-11-30 02:09:14,154 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:09:14,363 INFO L124 PetriNetUnfolderBase]: 358/1994 cut-off events. [2023-11-30 02:09:14,363 INFO L125 PetriNetUnfolderBase]: For 275/487 co-relation queries the response was YES. [2023-11-30 02:09:14,366 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3408 conditions, 1994 events. 358/1994 cut-off events. For 275/487 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 15106 event pairs, 99 based on Foata normal form. 0/1783 useless extension candidates. Maximal degree in co-relation 3356. Up to 705 conditions per place. [2023-11-30 02:09:14,371 INFO L140 encePairwiseOnDemand]: 136/159 looper letters, 44 selfloop transitions, 16 changer transitions 0/166 dead transitions. [2023-11-30 02:09:14,371 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 166 transitions, 583 flow [2023-11-30 02:09:14,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 02:09:14,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 02:09:14,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 406 transitions. [2023-11-30 02:09:14,374 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8511530398322851 [2023-11-30 02:09:14,374 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 406 transitions. [2023-11-30 02:09:14,374 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 406 transitions. [2023-11-30 02:09:14,375 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:09:14,375 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 406 transitions. [2023-11-30 02:09:14,376 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 135.33333333333334) internal successors, (406), 3 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:09:14,378 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 159.0) internal successors, (636), 4 states have internal predecessors, (636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:09:14,379 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 159.0) internal successors, (636), 4 states have internal predecessors, (636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:09:14,379 INFO L307 CegarLoopForPetriNet]: 150 programPoint places, -6 predicate places. [2023-11-30 02:09:14,379 INFO L500 AbstractCegarLoop]: Abstraction has has 144 places, 166 transitions, 583 flow [2023-11-30 02:09:14,380 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 115.0) internal successors, (345), 3 states have internal predecessors, (345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:09:14,380 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:09:14,380 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 02:09:14,380 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-30 02:09:14,380 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2023-11-30 02:09:14,387 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:09:14,387 INFO L85 PathProgramCache]: Analyzing trace with hash 185834801, now seen corresponding path program 1 times [2023-11-30 02:09:14,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:09:14,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665291853] [2023-11-30 02:09:14,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:09:14,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:09:14,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:09:14,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 02:09:14,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:09:14,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665291853] [2023-11-30 02:09:14,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665291853] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:09:14,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:09:14,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 02:09:14,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903106815] [2023-11-30 02:09:14,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:09:14,467 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 02:09:14,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:09:14,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 02:09:14,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 02:09:14,469 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 159 [2023-11-30 02:09:14,470 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 166 transitions, 583 flow. Second operand has 3 states, 3 states have (on average 113.0) internal successors, (339), 3 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:09:14,470 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:09:14,470 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 159 [2023-11-30 02:09:14,471 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:09:14,756 INFO L124 PetriNetUnfolderBase]: 509/2465 cut-off events. [2023-11-30 02:09:14,759 INFO L125 PetriNetUnfolderBase]: For 1024/1332 co-relation queries the response was YES. [2023-11-30 02:09:14,762 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5128 conditions, 2465 events. 509/2465 cut-off events. For 1024/1332 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 19442 event pairs, 130 based on Foata normal form. 7/2249 useless extension candidates. Maximal degree in co-relation 5072. Up to 891 conditions per place. [2023-11-30 02:09:14,771 INFO L140 encePairwiseOnDemand]: 149/159 looper letters, 84 selfloop transitions, 17 changer transitions 0/203 dead transitions. [2023-11-30 02:09:14,771 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 203 transitions, 1003 flow [2023-11-30 02:09:14,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 02:09:14,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 02:09:14,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 390 transitions. [2023-11-30 02:09:14,775 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8176100628930818 [2023-11-30 02:09:14,775 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 390 transitions. [2023-11-30 02:09:14,776 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 390 transitions. [2023-11-30 02:09:14,776 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:09:14,776 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 390 transitions. [2023-11-30 02:09:14,777 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 130.0) internal successors, (390), 3 states have internal predecessors, (390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:09:14,777 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 159.0) internal successors, (636), 4 states have internal predecessors, (636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:09:14,778 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 159.0) internal successors, (636), 4 states have internal predecessors, (636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:09:14,779 INFO L307 CegarLoopForPetriNet]: 150 programPoint places, -4 predicate places. [2023-11-30 02:09:14,779 INFO L500 AbstractCegarLoop]: Abstraction has has 146 places, 203 transitions, 1003 flow [2023-11-30 02:09:14,780 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 113.0) internal successors, (339), 3 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:09:14,780 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:09:14,780 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] [2023-11-30 02:09:14,780 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-30 02:09:14,780 INFO L425 AbstractCegarLoop]: === Iteration 4 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2023-11-30 02:09:14,780 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:09:14,781 INFO L85 PathProgramCache]: Analyzing trace with hash -1718552356, now seen corresponding path program 1 times [2023-11-30 02:09:14,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:09:14,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364184814] [2023-11-30 02:09:14,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:09:14,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:09:14,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:09:14,962 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 02:09:14,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:09:14,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364184814] [2023-11-30 02:09:14,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364184814] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:09:14,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:09:14,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 02:09:14,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450512876] [2023-11-30 02:09:14,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:09:14,964 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 02:09:14,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:09:14,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 02:09:14,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 02:09:14,965 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 159 [2023-11-30 02:09:14,965 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 203 transitions, 1003 flow. Second operand has 3 states, 3 states have (on average 139.33333333333334) internal successors, (418), 3 states have internal predecessors, (418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:09:14,965 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:09:14,965 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 159 [2023-11-30 02:09:14,965 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:09:15,022 INFO L124 PetriNetUnfolderBase]: 77/516 cut-off events. [2023-11-30 02:09:15,022 INFO L125 PetriNetUnfolderBase]: For 528/738 co-relation queries the response was YES. [2023-11-30 02:09:15,023 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1000 conditions, 516 events. 77/516 cut-off events. For 528/738 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2426 event pairs, 33 based on Foata normal form. 38/524 useless extension candidates. Maximal degree in co-relation 935. Up to 179 conditions per place. [2023-11-30 02:09:15,025 INFO L140 encePairwiseOnDemand]: 154/159 looper letters, 8 selfloop transitions, 8 changer transitions 0/138 dead transitions. [2023-11-30 02:09:15,025 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 138 transitions, 519 flow [2023-11-30 02:09:15,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 02:09:15,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 02:09:15,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 423 transitions. [2023-11-30 02:09:15,026 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8867924528301887 [2023-11-30 02:09:15,026 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 423 transitions. [2023-11-30 02:09:15,026 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 423 transitions. [2023-11-30 02:09:15,027 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:09:15,027 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 423 transitions. [2023-11-30 02:09:15,028 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 141.0) internal successors, (423), 3 states have internal predecessors, (423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:09:15,028 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 159.0) internal successors, (636), 4 states have internal predecessors, (636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:09:15,029 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 159.0) internal successors, (636), 4 states have internal predecessors, (636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:09:15,030 INFO L307 CegarLoopForPetriNet]: 150 programPoint places, -10 predicate places. [2023-11-30 02:09:15,030 INFO L500 AbstractCegarLoop]: Abstraction has has 140 places, 138 transitions, 519 flow [2023-11-30 02:09:15,030 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 139.33333333333334) internal successors, (418), 3 states have internal predecessors, (418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:09:15,030 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:09:15,030 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 02:09:15,031 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-30 02:09:15,031 INFO L425 AbstractCegarLoop]: === Iteration 5 === Targeting workerErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2023-11-30 02:09:15,033 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:09:15,033 INFO L85 PathProgramCache]: Analyzing trace with hash -324955340, now seen corresponding path program 1 times [2023-11-30 02:09:15,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:09:15,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106151862] [2023-11-30 02:09:15,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:09:15,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:09:15,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:09:15,131 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 02:09:15,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:09:15,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106151862] [2023-11-30 02:09:15,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106151862] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:09:15,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:09:15,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 02:09:15,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757008964] [2023-11-30 02:09:15,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:09:15,132 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 02:09:15,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:09:15,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 02:09:15,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 02:09:15,134 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 159 [2023-11-30 02:09:15,134 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 138 transitions, 519 flow. Second operand has 3 states, 3 states have (on average 132.0) internal successors, (396), 3 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:09:15,134 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:09:15,134 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 159 [2023-11-30 02:09:15,134 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:09:15,198 INFO L124 PetriNetUnfolderBase]: 65/497 cut-off events. [2023-11-30 02:09:15,198 INFO L125 PetriNetUnfolderBase]: For 426/518 co-relation queries the response was YES. [2023-11-30 02:09:15,199 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1053 conditions, 497 events. 65/497 cut-off events. For 426/518 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 2038 event pairs, 39 based on Foata normal form. 0/470 useless extension candidates. Maximal degree in co-relation 984. Up to 168 conditions per place. [2023-11-30 02:09:15,201 INFO L140 encePairwiseOnDemand]: 155/159 looper letters, 25 selfloop transitions, 2 changer transitions 3/145 dead transitions. [2023-11-30 02:09:15,201 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 145 transitions, 609 flow [2023-11-30 02:09:15,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 02:09:15,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 02:09:15,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 416 transitions. [2023-11-30 02:09:15,202 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8721174004192872 [2023-11-30 02:09:15,202 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 416 transitions. [2023-11-30 02:09:15,202 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 416 transitions. [2023-11-30 02:09:15,203 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:09:15,203 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 416 transitions. [2023-11-30 02:09:15,203 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 138.66666666666666) internal successors, (416), 3 states have internal predecessors, (416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:09:15,204 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 159.0) internal successors, (636), 4 states have internal predecessors, (636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:09:15,205 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 159.0) internal successors, (636), 4 states have internal predecessors, (636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:09:15,207 INFO L307 CegarLoopForPetriNet]: 150 programPoint places, -8 predicate places. [2023-11-30 02:09:15,207 INFO L500 AbstractCegarLoop]: Abstraction has has 142 places, 145 transitions, 609 flow [2023-11-30 02:09:15,207 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 132.0) internal successors, (396), 3 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:09:15,207 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:09:15,207 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] [2023-11-30 02:09:15,208 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-30 02:09:15,208 INFO L425 AbstractCegarLoop]: === Iteration 6 === Targeting workerErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2023-11-30 02:09:15,208 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:09:15,208 INFO L85 PathProgramCache]: Analyzing trace with hash 2092720406, now seen corresponding path program 1 times [2023-11-30 02:09:15,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:09:15,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461711684] [2023-11-30 02:09:15,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:09:15,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:09:15,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:09:15,244 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 02:09:15,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:09:15,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461711684] [2023-11-30 02:09:15,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461711684] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:09:15,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:09:15,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 02:09:15,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944493309] [2023-11-30 02:09:15,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:09:15,245 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 02:09:15,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:09:15,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 02:09:15,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 02:09:15,246 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 159 [2023-11-30 02:09:15,246 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 145 transitions, 609 flow. Second operand has 3 states, 3 states have (on average 117.0) internal successors, (351), 3 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:09:15,246 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:09:15,247 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 159 [2023-11-30 02:09:15,247 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:09:15,308 INFO L124 PetriNetUnfolderBase]: 103/607 cut-off events. [2023-11-30 02:09:15,308 INFO L125 PetriNetUnfolderBase]: For 703/704 co-relation queries the response was YES. [2023-11-30 02:09:15,309 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1402 conditions, 607 events. 103/607 cut-off events. For 703/704 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2745 event pairs, 60 based on Foata normal form. 0/567 useless extension candidates. Maximal degree in co-relation 1329. Up to 186 conditions per place. [2023-11-30 02:09:15,310 INFO L140 encePairwiseOnDemand]: 156/159 looper letters, 0 selfloop transitions, 0 changer transitions 144/144 dead transitions. [2023-11-30 02:09:15,310 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 144 transitions, 675 flow [2023-11-30 02:09:15,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 02:09:15,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 02:09:15,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 358 transitions. [2023-11-30 02:09:15,311 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.750524109014675 [2023-11-30 02:09:15,311 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 358 transitions. [2023-11-30 02:09:15,311 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 358 transitions. [2023-11-30 02:09:15,311 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:09:15,311 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 358 transitions. [2023-11-30 02:09:15,312 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 119.33333333333333) internal successors, (358), 3 states have internal predecessors, (358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:09:15,313 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 159.0) internal successors, (636), 4 states have internal predecessors, (636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:09:15,313 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 159.0) internal successors, (636), 4 states have internal predecessors, (636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:09:15,314 INFO L307 CegarLoopForPetriNet]: 150 programPoint places, -7 predicate places. [2023-11-30 02:09:15,314 INFO L500 AbstractCegarLoop]: Abstraction has has 143 places, 144 transitions, 675 flow [2023-11-30 02:09:15,314 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 117.0) internal successors, (351), 3 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:09:15,318 INFO L143 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/13-privatized_69-refine-protected-loop-interval_true.i_BEv2_AllErrorsAtOnce [2023-11-30 02:09:15,332 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (16 of 17 remaining) [2023-11-30 02:09:15,333 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (15 of 17 remaining) [2023-11-30 02:09:15,333 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (14 of 17 remaining) [2023-11-30 02:09:15,333 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (13 of 17 remaining) [2023-11-30 02:09:15,333 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 17 remaining) [2023-11-30 02:09:15,333 INFO L810 garLoopResultBuilder]: Registering result SAFE for location workerErr0ASSERT_VIOLATIONDATA_RACE (11 of 17 remaining) [2023-11-30 02:09:15,333 INFO L810 garLoopResultBuilder]: Registering result SAFE for location workerErr2ASSERT_VIOLATIONDATA_RACE (10 of 17 remaining) [2023-11-30 02:09:15,333 INFO L810 garLoopResultBuilder]: Registering result SAFE for location workerErr1ASSERT_VIOLATIONDATA_RACE (9 of 17 remaining) [2023-11-30 02:09:15,333 INFO L810 garLoopResultBuilder]: Registering result SAFE for location workerErr3ASSERT_VIOLATIONDATA_RACE (8 of 17 remaining) [2023-11-30 02:09:15,333 INFO L810 garLoopResultBuilder]: Registering result SAFE for location workerErr4ASSERT_VIOLATIONDATA_RACE (7 of 17 remaining) [2023-11-30 02:09:15,333 INFO L810 garLoopResultBuilder]: Registering result SAFE for location workerErr5ASSERT_VIOLATIONDATA_RACE (6 of 17 remaining) [2023-11-30 02:09:15,334 INFO L810 garLoopResultBuilder]: Registering result SAFE for location workerErr0ASSERT_VIOLATIONDATA_RACE (5 of 17 remaining) [2023-11-30 02:09:15,334 INFO L810 garLoopResultBuilder]: Registering result SAFE for location workerErr2ASSERT_VIOLATIONDATA_RACE (4 of 17 remaining) [2023-11-30 02:09:15,334 INFO L810 garLoopResultBuilder]: Registering result SAFE for location workerErr1ASSERT_VIOLATIONDATA_RACE (3 of 17 remaining) [2023-11-30 02:09:15,334 INFO L810 garLoopResultBuilder]: Registering result SAFE for location workerErr3ASSERT_VIOLATIONDATA_RACE (2 of 17 remaining) [2023-11-30 02:09:15,334 INFO L810 garLoopResultBuilder]: Registering result SAFE for location workerErr4ASSERT_VIOLATIONDATA_RACE (1 of 17 remaining) [2023-11-30 02:09:15,334 INFO L810 garLoopResultBuilder]: Registering result SAFE for location workerErr5ASSERT_VIOLATIONDATA_RACE (0 of 17 remaining) [2023-11-30 02:09:15,334 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-30 02:09:15,334 INFO L457 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-11-30 02:09:15,337 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-30 02:09:15,337 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-11-30 02:09:15,341 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 02:09:15 BasicIcfg [2023-11-30 02:09:15,341 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-30 02:09:15,342 INFO L158 Benchmark]: Toolchain (without parser) took 2646.68ms. Allocated memory is still 520.1MB. Free memory was 462.4MB in the beginning and 291.6MB in the end (delta: 170.9MB). Peak memory consumption was 170.9MB. Max. memory is 16.0GB. [2023-11-30 02:09:15,342 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 350.2MB. Free memory is still 302.5MB. There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 02:09:15,342 INFO L158 Benchmark]: CACSL2BoogieTranslator took 330.98ms. Allocated memory is still 520.1MB. Free memory was 462.4MB in the beginning and 442.5MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. [2023-11-30 02:09:15,343 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.48ms. Allocated memory is still 520.1MB. Free memory was 442.5MB in the beginning and 440.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 02:09:15,343 INFO L158 Benchmark]: Boogie Preprocessor took 25.54ms. Allocated memory is still 520.1MB. Free memory was 440.4MB in the beginning and 438.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 02:09:15,343 INFO L158 Benchmark]: RCFGBuilder took 386.47ms. Allocated memory is still 520.1MB. Free memory was 438.3MB in the beginning and 417.4MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.0GB. [2023-11-30 02:09:15,343 INFO L158 Benchmark]: TraceAbstraction took 1854.49ms. Allocated memory is still 520.1MB. Free memory was 417.4MB in the beginning and 291.6MB in the end (delta: 125.8MB). Peak memory consumption was 126.8MB. Max. memory is 16.0GB. [2023-11-30 02:09:15,345 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 350.2MB. Free memory is still 302.5MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 330.98ms. Allocated memory is still 520.1MB. Free memory was 462.4MB in the beginning and 442.5MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 45.48ms. Allocated memory is still 520.1MB. Free memory was 442.5MB in the beginning and 440.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 25.54ms. Allocated memory is still 520.1MB. Free memory was 440.4MB in the beginning and 438.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 386.47ms. Allocated memory is still 520.1MB. Free memory was 438.3MB in the beginning and 417.4MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.0GB. * TraceAbstraction took 1854.49ms. Allocated memory is still 520.1MB. Free memory was 417.4MB in the beginning and 291.6MB in the end (delta: 125.8MB). Peak memory consumption was 126.8MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 703]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 710]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 711]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 711]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 719]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 722]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 720]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 723]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 724]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 724]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 218 locations, 17 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: 1.8s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 39 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 39 mSDsluCounter, 129 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 29 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 229 IncrementalHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 29 mSolverCounterUnsat, 129 mSDtfsCounter, 229 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1003occurred in iteration=3, InterpolantAutomatonStates: 18, 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 335 NumberOfCodeBlocks, 335 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 329 ConstructedInterpolants, 0 QuantifiedInterpolants, 397 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-30 02:09:15,376 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...