/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/28-race_reach_87-lists_racefree.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-30 02:31:01,648 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-30 02:31:01,731 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 02:31:01,750 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-30 02:31:01,750 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-30 02:31:01,751 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-30 02:31:01,751 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-30 02:31:01,751 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-30 02:31:01,752 INFO L153 SettingsManager]: * Use SBE=true [2023-11-30 02:31:01,752 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-30 02:31:01,752 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-30 02:31:01,753 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-30 02:31:01,753 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-30 02:31:01,753 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-30 02:31:01,753 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-30 02:31:01,754 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-30 02:31:01,754 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-30 02:31:01,754 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-30 02:31:01,755 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-30 02:31:01,755 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-30 02:31:01,755 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-30 02:31:01,757 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-30 02:31:01,757 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-30 02:31:01,757 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-30 02:31:01,758 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-30 02:31:01,758 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 02:31:01,758 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-30 02:31:01,758 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-30 02:31:01,758 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-30 02:31:01,759 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-30 02:31:01,759 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-30 02:31:01,759 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-30 02:31:01,759 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-30 02:31:01,759 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2023-11-30 02:31:01,992 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-30 02:31:02,018 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-30 02:31:02,021 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-30 02:31:02,022 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-30 02:31:02,023 INFO L274 PluginConnector]: CDTParser initialized [2023-11-30 02:31:02,024 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_87-lists_racefree.i [2023-11-30 02:31:03,168 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-30 02:31:03,429 INFO L384 CDTParser]: Found 1 translation units. [2023-11-30 02:31:03,429 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_87-lists_racefree.i [2023-11-30 02:31:03,455 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1cec2e71/f89cc964619a4858b03d85b6a6a0e132/FLAGd52b7c160 [2023-11-30 02:31:03,471 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1cec2e71/f89cc964619a4858b03d85b6a6a0e132 [2023-11-30 02:31:03,473 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-30 02:31:03,475 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-30 02:31:03,476 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-30 02:31:03,477 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-30 02:31:03,479 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-30 02:31:03,480 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:31:03" (1/1) ... [2023-11-30 02:31:03,481 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60551913 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:31:03, skipping insertion in model container [2023-11-30 02:31:03,481 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:31:03" (1/1) ... [2023-11-30 02:31:03,519 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-30 02:31:03,933 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 02:31:03,993 INFO L202 MainTranslator]: Completed pre-run [2023-11-30 02:31:04,035 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 02:31:04,096 INFO L206 MainTranslator]: Completed translation [2023-11-30 02:31:04,097 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:31:04 WrapperNode [2023-11-30 02:31:04,097 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-30 02:31:04,098 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-30 02:31:04,098 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-30 02:31:04,099 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-30 02:31:04,105 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:31:04" (1/1) ... [2023-11-30 02:31:04,137 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:31:04" (1/1) ... [2023-11-30 02:31:04,185 INFO L138 Inliner]: procedures = 279, calls = 69, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 374 [2023-11-30 02:31:04,185 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-30 02:31:04,186 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-30 02:31:04,186 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-30 02:31:04,186 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-30 02:31:04,197 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:31:04" (1/1) ... [2023-11-30 02:31:04,197 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:31:04" (1/1) ... [2023-11-30 02:31:04,205 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:31:04" (1/1) ... [2023-11-30 02:31:04,205 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:31:04" (1/1) ... [2023-11-30 02:31:04,229 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:31:04" (1/1) ... [2023-11-30 02:31:04,234 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:31:04" (1/1) ... [2023-11-30 02:31:04,236 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:31:04" (1/1) ... [2023-11-30 02:31:04,238 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:31:04" (1/1) ... [2023-11-30 02:31:04,243 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-30 02:31:04,243 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-30 02:31:04,244 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-30 02:31:04,244 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-30 02:31:04,246 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:31:04" (1/1) ... [2023-11-30 02:31:04,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 02:31:04,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 02:31:04,305 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 02:31:04,312 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 02:31:04,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-30 02:31:04,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-30 02:31:04,342 INFO L130 BoogieDeclarations]: Found specification of procedure t1_fun [2023-11-30 02:31:04,343 INFO L138 BoogieDeclarations]: Found implementation of procedure t1_fun [2023-11-30 02:31:04,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-30 02:31:04,343 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-30 02:31:04,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-30 02:31:04,343 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2023-11-30 02:31:04,343 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2023-11-30 02:31:04,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-30 02:31:04,343 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-30 02:31:04,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-30 02:31:04,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-30 02:31:04,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-30 02:31:04,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-30 02:31:04,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-30 02:31:04,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-30 02:31:04,348 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 02:31:04,509 INFO L241 CfgBuilder]: Building ICFG [2023-11-30 02:31:04,511 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-30 02:31:05,062 INFO L282 CfgBuilder]: Performing block encoding [2023-11-30 02:31:05,087 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-30 02:31:05,087 INFO L309 CfgBuilder]: Removed 16 assume(true) statements. [2023-11-30 02:31:05,089 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:31:05 BoogieIcfgContainer [2023-11-30 02:31:05,089 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-30 02:31:05,091 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-30 02:31:05,091 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-30 02:31:05,093 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-30 02:31:05,093 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 02:31:03" (1/3) ... [2023-11-30 02:31:05,094 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@282cff88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 02:31:05, skipping insertion in model container [2023-11-30 02:31:05,094 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:31:04" (2/3) ... [2023-11-30 02:31:05,095 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@282cff88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 02:31:05, skipping insertion in model container [2023-11-30 02:31:05,095 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:31:05" (3/3) ... [2023-11-30 02:31:05,096 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_87-lists_racefree.i [2023-11-30 02:31:05,112 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-30 02:31:05,112 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 19 error locations. [2023-11-30 02:31:05,113 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-30 02:31:05,281 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-11-30 02:31:05,334 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 378 places, 401 transitions, 822 flow [2023-11-30 02:31:05,578 INFO L124 PetriNetUnfolderBase]: 59/721 cut-off events. [2023-11-30 02:31:05,579 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2023-11-30 02:31:05,601 INFO L83 FinitePrefix]: Finished finitePrefix Result has 738 conditions, 721 events. 59/721 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 3359 event pairs, 0 based on Foata normal form. 0/621 useless extension candidates. Maximal degree in co-relation 366. Up to 8 conditions per place. [2023-11-30 02:31:05,603 INFO L82 GeneralOperation]: Start removeDead. Operand has 378 places, 401 transitions, 822 flow [2023-11-30 02:31:05,615 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 378 places, 401 transitions, 822 flow [2023-11-30 02:31:05,631 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-30 02:31:05,638 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;@2316c263, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-30 02:31:05,639 INFO L363 AbstractCegarLoop]: Starting to check reachability of 35 error locations. [2023-11-30 02:31:05,650 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-30 02:31:05,651 INFO L124 PetriNetUnfolderBase]: 6/91 cut-off events. [2023-11-30 02:31:05,651 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 02:31:05,651 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:31:05,652 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 02:31:05,652 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr7ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2023-11-30 02:31:05,657 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:31:05,658 INFO L85 PathProgramCache]: Analyzing trace with hash 2011303613, now seen corresponding path program 1 times [2023-11-30 02:31:05,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:31:05,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546378299] [2023-11-30 02:31:05,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:31:05,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:31:05,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:31:06,386 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 02:31:06,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:31:06,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546378299] [2023-11-30 02:31:06,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546378299] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:31:06,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:31:06,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 02:31:06,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774615206] [2023-11-30 02:31:06,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:31:06,395 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 02:31:06,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:31:06,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 02:31:06,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 02:31:06,424 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 401 [2023-11-30 02:31:06,430 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 378 places, 401 transitions, 822 flow. Second operand has 6 states, 6 states have (on average 242.5) internal successors, (1455), 6 states have internal predecessors, (1455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:31:06,430 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:31:06,430 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 401 [2023-11-30 02:31:06,431 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:31:22,157 INFO L124 PetriNetUnfolderBase]: 59145/127240 cut-off events. [2023-11-30 02:31:22,158 INFO L125 PetriNetUnfolderBase]: For 641/641 co-relation queries the response was YES. [2023-11-30 02:31:22,414 INFO L83 FinitePrefix]: Finished finitePrefix Result has 217221 conditions, 127240 events. 59145/127240 cut-off events. For 641/641 co-relation queries the response was YES. Maximal size of possible extension queue 1788. Compared 1401688 event pairs, 57634 based on Foata normal form. 14024/125154 useless extension candidates. Maximal degree in co-relation 211199. Up to 89691 conditions per place. [2023-11-30 02:31:23,280 INFO L140 encePairwiseOnDemand]: 375/401 looper letters, 133 selfloop transitions, 5 changer transitions 0/377 dead transitions. [2023-11-30 02:31:23,281 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 379 places, 377 transitions, 1050 flow [2023-11-30 02:31:23,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 02:31:23,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 02:31:23,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1605 transitions. [2023-11-30 02:31:23,298 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6670822942643392 [2023-11-30 02:31:23,299 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1605 transitions. [2023-11-30 02:31:23,299 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1605 transitions. [2023-11-30 02:31:23,303 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:31:23,305 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1605 transitions. [2023-11-30 02:31:23,311 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 267.5) internal successors, (1605), 6 states have internal predecessors, (1605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:31:23,319 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 401.0) internal successors, (2807), 7 states have internal predecessors, (2807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:31:23,321 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 401.0) internal successors, (2807), 7 states have internal predecessors, (2807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:31:23,325 INFO L307 CegarLoopForPetriNet]: 378 programPoint places, 1 predicate places. [2023-11-30 02:31:23,326 INFO L500 AbstractCegarLoop]: Abstraction has has 379 places, 377 transitions, 1050 flow [2023-11-30 02:31:23,327 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 242.5) internal successors, (1455), 6 states have internal predecessors, (1455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:31:23,327 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:31:23,327 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] [2023-11-30 02:31:23,327 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-30 02:31:23,328 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr7ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2023-11-30 02:31:23,328 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:31:23,328 INFO L85 PathProgramCache]: Analyzing trace with hash -348481980, now seen corresponding path program 1 times [2023-11-30 02:31:23,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:31:23,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22402783] [2023-11-30 02:31:23,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:31:23,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:31:23,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:31:23,416 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 02:31:23,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:31:23,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22402783] [2023-11-30 02:31:23,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22402783] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:31:23,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:31:23,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 02:31:23,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093084654] [2023-11-30 02:31:23,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:31:23,420 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 02:31:23,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:31:23,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 02:31:23,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 02:31:23,422 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 346 out of 401 [2023-11-30 02:31:23,423 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 379 places, 377 transitions, 1050 flow. Second operand has 3 states, 3 states have (on average 347.3333333333333) internal successors, (1042), 3 states have internal predecessors, (1042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:31:23,423 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:31:23,423 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 346 of 401 [2023-11-30 02:31:23,423 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:31:40,038 INFO L124 PetriNetUnfolderBase]: 60810/131559 cut-off events. [2023-11-30 02:31:40,038 INFO L125 PetriNetUnfolderBase]: For 8683/11236 co-relation queries the response was YES. [2023-11-30 02:31:40,282 INFO L83 FinitePrefix]: Finished finitePrefix Result has 232647 conditions, 131559 events. 60810/131559 cut-off events. For 8683/11236 co-relation queries the response was YES. Maximal size of possible extension queue 1915. Compared 1466503 event pairs, 59261 based on Foata normal form. 0/114679 useless extension candidates. Maximal degree in co-relation 226148. Up to 92474 conditions per place. [2023-11-30 02:31:40,865 INFO L140 encePairwiseOnDemand]: 398/401 looper letters, 43 selfloop transitions, 2 changer transitions 0/388 dead transitions. [2023-11-30 02:31:40,865 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 381 places, 388 transitions, 1174 flow [2023-11-30 02:31:40,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 02:31:40,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 02:31:40,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1084 transitions. [2023-11-30 02:31:40,868 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9010806317539485 [2023-11-30 02:31:40,868 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1084 transitions. [2023-11-30 02:31:40,868 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1084 transitions. [2023-11-30 02:31:40,868 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:31:40,868 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1084 transitions. [2023-11-30 02:31:40,871 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 361.3333333333333) internal successors, (1084), 3 states have internal predecessors, (1084), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:31:40,873 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 401.0) internal successors, (1604), 4 states have internal predecessors, (1604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:31:40,874 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 401.0) internal successors, (1604), 4 states have internal predecessors, (1604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:31:40,875 INFO L307 CegarLoopForPetriNet]: 378 programPoint places, 3 predicate places. [2023-11-30 02:31:40,875 INFO L500 AbstractCegarLoop]: Abstraction has has 381 places, 388 transitions, 1174 flow [2023-11-30 02:31:40,876 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 347.3333333333333) internal successors, (1042), 3 states have internal predecessors, (1042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:31:40,876 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:31:40,876 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] [2023-11-30 02:31:40,876 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-30 02:31:40,876 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr7ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2023-11-30 02:31:40,877 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:31:40,877 INFO L85 PathProgramCache]: Analyzing trace with hash -216082063, now seen corresponding path program 1 times [2023-11-30 02:31:40,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:31:40,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380801245] [2023-11-30 02:31:40,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:31:40,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:31:40,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:31:41,209 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 02:31:41,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:31:41,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380801245] [2023-11-30 02:31:41,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380801245] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:31:41,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:31:41,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 02:31:41,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115863605] [2023-11-30 02:31:41,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:31:41,214 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 02:31:41,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:31:41,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 02:31:41,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 02:31:41,220 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 401 [2023-11-30 02:31:41,223 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 381 places, 388 transitions, 1174 flow. Second operand has 6 states, 6 states have (on average 243.5) internal successors, (1461), 6 states have internal predecessors, (1461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:31:41,223 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:31:41,224 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 401 [2023-11-30 02:31:41,228 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:31:58,490 INFO L124 PetriNetUnfolderBase]: 60810/131557 cut-off events. [2023-11-30 02:31:58,490 INFO L125 PetriNetUnfolderBase]: For 26077/81960 co-relation queries the response was YES. [2023-11-30 02:31:58,778 INFO L83 FinitePrefix]: Finished finitePrefix Result has 325125 conditions, 131557 events. 60810/131557 cut-off events. For 26077/81960 co-relation queries the response was YES. Maximal size of possible extension queue 1915. Compared 1467372 event pairs, 59261 based on Foata normal form. 0/114679 useless extension candidates. Maximal degree in co-relation 316735. Up to 92472 conditions per place. [2023-11-30 02:31:59,360 INFO L140 encePairwiseOnDemand]: 395/401 looper letters, 138 selfloop transitions, 5 changer transitions 0/387 dead transitions. [2023-11-30 02:31:59,361 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 385 places, 387 transitions, 1456 flow [2023-11-30 02:31:59,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 02:31:59,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 02:31:59,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1584 transitions. [2023-11-30 02:31:59,366 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6583541147132169 [2023-11-30 02:31:59,366 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1584 transitions. [2023-11-30 02:31:59,366 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1584 transitions. [2023-11-30 02:31:59,367 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:31:59,367 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1584 transitions. [2023-11-30 02:31:59,370 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 264.0) internal successors, (1584), 6 states have internal predecessors, (1584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:31:59,374 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 401.0) internal successors, (2807), 7 states have internal predecessors, (2807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:31:59,376 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 401.0) internal successors, (2807), 7 states have internal predecessors, (2807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:31:59,376 INFO L307 CegarLoopForPetriNet]: 378 programPoint places, 7 predicate places. [2023-11-30 02:31:59,377 INFO L500 AbstractCegarLoop]: Abstraction has has 385 places, 387 transitions, 1456 flow [2023-11-30 02:31:59,378 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 243.5) internal successors, (1461), 6 states have internal predecessors, (1461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:31:59,378 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:31:59,378 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 02:31:59,378 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-30 02:31:59,378 INFO L425 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr7ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2023-11-30 02:31:59,379 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:31:59,379 INFO L85 PathProgramCache]: Analyzing trace with hash -1364110039, now seen corresponding path program 1 times [2023-11-30 02:31:59,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:31:59,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800312765] [2023-11-30 02:31:59,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:31:59,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:31:59,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:31:59,772 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 02:31:59,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:31:59,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800312765] [2023-11-30 02:31:59,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800312765] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:31:59,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:31:59,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 02:31:59,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739703673] [2023-11-30 02:31:59,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:31:59,773 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 02:31:59,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:31:59,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 02:31:59,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 02:31:59,776 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 232 out of 401 [2023-11-30 02:31:59,778 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 385 places, 387 transitions, 1456 flow. Second operand has 6 states, 6 states have (on average 235.83333333333334) internal successors, (1415), 6 states have internal predecessors, (1415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:31:59,778 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:31:59,778 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 232 of 401 [2023-11-30 02:31:59,778 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:32:22,235 INFO L124 PetriNetUnfolderBase]: 66648/142012 cut-off events. [2023-11-30 02:32:22,236 INFO L125 PetriNetUnfolderBase]: For 53675/65744 co-relation queries the response was YES. [2023-11-30 02:32:22,660 INFO L83 FinitePrefix]: Finished finitePrefix Result has 447555 conditions, 142012 events. 66648/142012 cut-off events. For 53675/65744 co-relation queries the response was YES. Maximal size of possible extension queue 2401. Compared 1613819 event pairs, 64910 based on Foata normal form. 0/124522 useless extension candidates. Maximal degree in co-relation 436691. Up to 100956 conditions per place. [2023-11-30 02:32:23,481 INFO L140 encePairwiseOnDemand]: 395/401 looper letters, 146 selfloop transitions, 9 changer transitions 0/385 dead transitions. [2023-11-30 02:32:23,481 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 389 places, 385 transitions, 1750 flow [2023-11-30 02:32:23,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 02:32:23,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 02:32:23,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1538 transitions. [2023-11-30 02:32:23,507 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6392352452202826 [2023-11-30 02:32:23,507 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1538 transitions. [2023-11-30 02:32:23,507 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1538 transitions. [2023-11-30 02:32:23,508 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:32:23,508 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1538 transitions. [2023-11-30 02:32:23,511 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 256.3333333333333) internal successors, (1538), 6 states have internal predecessors, (1538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:32:23,529 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 401.0) internal successors, (2807), 7 states have internal predecessors, (2807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:32:23,531 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 401.0) internal successors, (2807), 7 states have internal predecessors, (2807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:32:23,532 INFO L307 CegarLoopForPetriNet]: 378 programPoint places, 11 predicate places. [2023-11-30 02:32:23,533 INFO L500 AbstractCegarLoop]: Abstraction has has 389 places, 385 transitions, 1750 flow [2023-11-30 02:32:23,533 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 235.83333333333334) internal successors, (1415), 6 states have internal predecessors, (1415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:32:23,533 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:32:23,534 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 02:32:23,534 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-30 02:32:23,534 INFO L425 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr7ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2023-11-30 02:32:23,534 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:32:23,534 INFO L85 PathProgramCache]: Analyzing trace with hash -1895567131, now seen corresponding path program 1 times [2023-11-30 02:32:23,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:32:23,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992589098] [2023-11-30 02:32:23,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:32:23,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:32:23,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:32:23,694 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 02:32:23,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:32:23,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992589098] [2023-11-30 02:32:23,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992589098] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-30 02:32:23,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1959101830] [2023-11-30 02:32:23,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:32:23,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-30 02:32:23,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 02:32:23,698 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-30 02:32:23,740 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-30 02:32:23,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:32:23,871 INFO L262 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-30 02:32:23,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-30 02:32:23,906 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-30 02:32:23,907 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-30 02:32:23,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1959101830] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:32:23,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-30 02:32:23,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2023-11-30 02:32:23,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983325116] [2023-11-30 02:32:23,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:32:23,908 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 02:32:23,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:32:23,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 02:32:23,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-30 02:32:23,911 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 353 out of 401 [2023-11-30 02:32:23,912 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 389 places, 385 transitions, 1750 flow. Second operand has 3 states, 3 states have (on average 354.3333333333333) internal successors, (1063), 3 states have internal predecessors, (1063), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:32:23,912 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:32:23,912 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 353 of 401 [2023-11-30 02:32:23,912 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:32:43,445 INFO L124 PetriNetUnfolderBase]: 66595/140058 cut-off events. [2023-11-30 02:32:43,445 INFO L125 PetriNetUnfolderBase]: For 86099/93921 co-relation queries the response was YES. [2023-11-30 02:32:43,774 INFO L83 FinitePrefix]: Finished finitePrefix Result has 454891 conditions, 140058 events. 66595/140058 cut-off events. For 86099/93921 co-relation queries the response was YES. Maximal size of possible extension queue 2364. Compared 1573056 event pairs, 64920 based on Foata normal form. 22/122660 useless extension candidates. Maximal degree in co-relation 445206. Up to 100624 conditions per place. [2023-11-30 02:32:44,406 INFO L140 encePairwiseOnDemand]: 398/401 looper letters, 29 selfloop transitions, 2 changer transitions 0/389 dead transitions. [2023-11-30 02:32:44,406 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 389 transitions, 1836 flow [2023-11-30 02:32:44,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 02:32:44,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 02:32:44,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1091 transitions. [2023-11-30 02:32:44,409 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9068994181213632 [2023-11-30 02:32:44,409 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1091 transitions. [2023-11-30 02:32:44,409 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1091 transitions. [2023-11-30 02:32:44,410 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:32:44,410 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1091 transitions. [2023-11-30 02:32:44,412 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 363.6666666666667) internal successors, (1091), 3 states have internal predecessors, (1091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:32:44,414 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 401.0) internal successors, (1604), 4 states have internal predecessors, (1604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:32:44,414 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 401.0) internal successors, (1604), 4 states have internal predecessors, (1604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:32:44,415 INFO L307 CegarLoopForPetriNet]: 378 programPoint places, 13 predicate places. [2023-11-30 02:32:44,415 INFO L500 AbstractCegarLoop]: Abstraction has has 391 places, 389 transitions, 1836 flow [2023-11-30 02:32:44,416 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 354.3333333333333) internal successors, (1063), 3 states have internal predecessors, (1063), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:32:44,416 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:32:44,416 INFO L232 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:32:44,430 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-30 02:32:44,623 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-30 02:32:44,623 INFO L425 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr7ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2023-11-30 02:32:44,623 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:32:44,623 INFO L85 PathProgramCache]: Analyzing trace with hash -437409957, now seen corresponding path program 1 times [2023-11-30 02:32:44,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:32:44,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593231005] [2023-11-30 02:32:44,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:32:44,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:32:44,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:32:44,744 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-30 02:32:44,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:32:44,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593231005] [2023-11-30 02:32:44,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593231005] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-30 02:32:44,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [616843345] [2023-11-30 02:32:44,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:32:44,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-30 02:32:44,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 02:32:44,746 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-30 02:32:44,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-30 02:32:44,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:32:44,901 INFO L262 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-30 02:32:44,905 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-30 02:32:44,980 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-30 02:32:44,980 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-30 02:32:45,045 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-30 02:32:45,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [616843345] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-30 02:32:45,045 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-30 02:32:45,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2023-11-30 02:32:45,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195225666] [2023-11-30 02:32:45,046 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-30 02:32:45,047 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-30 02:32:45,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:32:45,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-30 02:32:45,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-11-30 02:32:45,050 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 345 out of 401 [2023-11-30 02:32:45,053 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 391 places, 389 transitions, 1836 flow. Second operand has 10 states, 10 states have (on average 349.0) internal successors, (3490), 10 states have internal predecessors, (3490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:32:45,053 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:32:45,053 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 345 of 401 [2023-11-30 02:32:45,053 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:33:11,580 INFO L124 PetriNetUnfolderBase]: 66595/140065 cut-off events. [2023-11-30 02:33:11,581 INFO L125 PetriNetUnfolderBase]: For 130147/138205 co-relation queries the response was YES. [2023-11-30 02:33:12,175 INFO L83 FinitePrefix]: Finished finitePrefix Result has 465245 conditions, 140065 events. 66595/140065 cut-off events. For 130147/138205 co-relation queries the response was YES. Maximal size of possible extension queue 2365. Compared 1573190 event pairs, 63202 based on Foata normal form. 0/122637 useless extension candidates. Maximal degree in co-relation 455041. Up to 100624 conditions per place. [2023-11-30 02:33:12,806 INFO L140 encePairwiseOnDemand]: 395/401 looper letters, 50 selfloop transitions, 9 changer transitions 0/402 dead transitions. [2023-11-30 02:33:12,806 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 399 places, 402 transitions, 2044 flow [2023-11-30 02:33:12,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-30 02:33:12,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-11-30 02:33:12,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 3164 transitions. [2023-11-30 02:33:12,812 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8766971460238293 [2023-11-30 02:33:12,812 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 3164 transitions. [2023-11-30 02:33:12,812 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 3164 transitions. [2023-11-30 02:33:12,814 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:33:12,814 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 3164 transitions. [2023-11-30 02:33:12,819 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 351.55555555555554) internal successors, (3164), 9 states have internal predecessors, (3164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:33:12,823 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 401.0) internal successors, (4010), 10 states have internal predecessors, (4010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:33:12,824 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 401.0) internal successors, (4010), 10 states have internal predecessors, (4010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:33:12,825 INFO L307 CegarLoopForPetriNet]: 378 programPoint places, 21 predicate places. [2023-11-30 02:33:12,825 INFO L500 AbstractCegarLoop]: Abstraction has has 399 places, 402 transitions, 2044 flow [2023-11-30 02:33:12,826 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 349.0) internal successors, (3490), 10 states have internal predecessors, (3490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:33:12,826 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:33:12,827 INFO L232 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:33:12,837 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-30 02:33:13,032 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-30 02:33:13,032 INFO L425 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr7ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2023-11-30 02:33:13,032 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:33:13,033 INFO L85 PathProgramCache]: Analyzing trace with hash -23269381, now seen corresponding path program 2 times [2023-11-30 02:33:13,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:33:13,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139356031] [2023-11-30 02:33:13,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:33:13,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:33:13,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:33:13,306 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-30 02:33:13,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:33:13,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139356031] [2023-11-30 02:33:13,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139356031] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-30 02:33:13,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1357918645] [2023-11-30 02:33:13,307 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-30 02:33:13,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-30 02:33:13,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 02:33:13,308 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-30 02:33:13,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-30 02:33:13,524 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-30 02:33:13,525 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-30 02:33:13,527 INFO L262 TraceCheckSpWp]: Trace formula consists of 599 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-30 02:33:13,538 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-30 02:33:13,672 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-30 02:33:13,672 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-30 02:33:13,857 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-30 02:33:13,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1357918645] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-30 02:33:13,857 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-30 02:33:13,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2023-11-30 02:33:13,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692950921] [2023-11-30 02:33:13,858 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-30 02:33:13,859 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-11-30 02:33:13,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:33:13,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-30 02:33:13,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2023-11-30 02:33:13,864 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 345 out of 401 [2023-11-30 02:33:13,868 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 399 places, 402 transitions, 2044 flow. Second operand has 18 states, 18 states have (on average 349.6666666666667) internal successors, (6294), 18 states have internal predecessors, (6294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:33:13,868 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:33:13,868 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 345 of 401 [2023-11-30 02:33:13,868 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:33:53,925 INFO L124 PetriNetUnfolderBase]: 66595/140213 cut-off events. [2023-11-30 02:33:53,925 INFO L125 PetriNetUnfolderBase]: For 183561/191627 co-relation queries the response was YES. [2023-11-30 02:33:54,579 INFO L83 FinitePrefix]: Finished finitePrefix Result has 476108 conditions, 140213 events. 66595/140213 cut-off events. For 183561/191627 co-relation queries the response was YES. Maximal size of possible extension queue 2365. Compared 1572723 event pairs, 63202 based on Foata normal form. 0/122785 useless extension candidates. Maximal degree in co-relation 464962. Up to 100692 conditions per place. [2023-11-30 02:33:55,580 INFO L140 encePairwiseOnDemand]: 395/401 looper letters, 82 selfloop transitions, 21 changer transitions 0/446 dead transitions. [2023-11-30 02:33:55,580 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 419 places, 446 transitions, 2666 flow [2023-11-30 02:33:55,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-30 02:33:55,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2023-11-30 02:33:55,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 7350 transitions. [2023-11-30 02:33:55,604 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8728179551122195 [2023-11-30 02:33:55,610 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 7350 transitions. [2023-11-30 02:33:55,610 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 7350 transitions. [2023-11-30 02:33:55,614 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:33:55,614 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 7350 transitions. [2023-11-30 02:33:55,655 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 350.0) internal successors, (7350), 21 states have internal predecessors, (7350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:33:55,668 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 401.0) internal successors, (8822), 22 states have internal predecessors, (8822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:33:55,670 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 401.0) internal successors, (8822), 22 states have internal predecessors, (8822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:33:55,672 INFO L307 CegarLoopForPetriNet]: 378 programPoint places, 41 predicate places. [2023-11-30 02:33:55,672 INFO L500 AbstractCegarLoop]: Abstraction has has 419 places, 446 transitions, 2666 flow [2023-11-30 02:33:55,674 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 349.6666666666667) internal successors, (6294), 18 states have internal predecessors, (6294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:33:55,674 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:33:55,674 INFO L232 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:33:55,689 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-30 02:33:55,882 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-30 02:33:55,883 INFO L425 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr7ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2023-11-30 02:33:55,883 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:33:55,883 INFO L85 PathProgramCache]: Analyzing trace with hash -1122522821, now seen corresponding path program 3 times [2023-11-30 02:33:55,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:33:55,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279840963] [2023-11-30 02:33:55,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:33:55,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:33:56,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:33:57,430 INFO L134 CoverageAnalysis]: Checked inductivity of 789 backedges. 0 proven. 784 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-30 02:33:57,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:33:57,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279840963] [2023-11-30 02:33:57,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279840963] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-30 02:33:57,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1276522877] [2023-11-30 02:33:57,431 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-30 02:33:57,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-30 02:33:57,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 02:33:57,456 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-30 02:33:57,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process Received shutdown request... [2023-11-30 02:44:07,556 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-11-30 02:44:07,556 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-11-30 02:44:08,567 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 [2023-11-30 02:44:08,762 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forcibly destroying the process [2023-11-30 02:44:08,780 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-30 02:44:08,781 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-30 02:44:08,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2023-11-30 02:44:08,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332473629] [2023-11-30 02:44:08,781 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-30 02:44:08,781 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-30 02:44:08,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:44:08,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-30 02:44:08,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-11-30 02:44:08,786 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 345 out of 401 [2023-11-30 02:44:08,789 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 137 [2023-11-30 02:44:08,791 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 419 places, 446 transitions, 2666 flow. Second operand has 17 states, 17 states have (on average 349.8235294117647) internal successors, (5947), 17 states have internal predecessors, (5947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:44:08,791 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:44:08,791 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 345 of 401 [2023-11-30 02:44:08,791 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:44:08,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-30 02:44:08,795 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (34 of 35 remaining) [2023-11-30 02:44:08,796 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-30 02:44:08,796 WARN L624 AbstractCegarLoop]: Verification canceled: while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (17states, 345/401 universal loopers) in iteration 8,while PetriNetUnfolder was constructing finite prefix that currently has 12 conditions, 2 events (0/1 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 0/2 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place.). [2023-11-30 02:44:08,797 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location t2_funErr0ASSERT_VIOLATIONDATA_RACE (33 of 35 remaining) [2023-11-30 02:44:08,798 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location t2_funErr1ASSERT_VIOLATIONDATA_RACE (32 of 35 remaining) [2023-11-30 02:44:08,798 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location t2_funErr2ASSERT_VIOLATIONDATA_RACE (31 of 35 remaining) [2023-11-30 02:44:08,798 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location t2_funErr7ASSERT_VIOLATIONDATA_RACE (30 of 35 remaining) [2023-11-30 02:44:08,798 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location t2_funErr3ASSERT_VIOLATIONDATA_RACE (29 of 35 remaining) [2023-11-30 02:44:08,798 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location t2_funErr5ASSERT_VIOLATIONDATA_RACE (28 of 35 remaining) [2023-11-30 02:44:08,798 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location t2_funErr4ASSERT_VIOLATIONDATA_RACE (27 of 35 remaining) [2023-11-30 02:44:08,798 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location t2_funErr6ASSERT_VIOLATIONDATA_RACE (26 of 35 remaining) [2023-11-30 02:44:08,801 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (25 of 35 remaining) [2023-11-30 02:44:08,801 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (24 of 35 remaining) [2023-11-30 02:44:08,801 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (23 of 35 remaining) [2023-11-30 02:44:08,801 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (22 of 35 remaining) [2023-11-30 02:44:08,801 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (21 of 35 remaining) [2023-11-30 02:44:08,801 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (20 of 35 remaining) [2023-11-30 02:44:08,802 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location t1_funErr0ASSERT_VIOLATIONDATA_RACE (19 of 35 remaining) [2023-11-30 02:44:08,802 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location t1_funErr1ASSERT_VIOLATIONDATA_RACE (18 of 35 remaining) [2023-11-30 02:44:08,802 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location t1_funErr2ASSERT_VIOLATIONDATA_RACE (17 of 35 remaining) [2023-11-30 02:44:08,802 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location t1_funErr3ASSERT_VIOLATIONDATA_RACE (16 of 35 remaining) [2023-11-30 02:44:08,802 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location t1_funErr4ASSERT_VIOLATIONDATA_RACE (15 of 35 remaining) [2023-11-30 02:44:08,802 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location t1_funErr5ASSERT_VIOLATIONDATA_RACE (14 of 35 remaining) [2023-11-30 02:44:08,802 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location t2_funErr0ASSERT_VIOLATIONDATA_RACE (13 of 35 remaining) [2023-11-30 02:44:08,802 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location t2_funErr1ASSERT_VIOLATIONDATA_RACE (12 of 35 remaining) [2023-11-30 02:44:08,802 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location t2_funErr2ASSERT_VIOLATIONDATA_RACE (11 of 35 remaining) [2023-11-30 02:44:08,803 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location t2_funErr7ASSERT_VIOLATIONDATA_RACE (10 of 35 remaining) [2023-11-30 02:44:08,803 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location t2_funErr3ASSERT_VIOLATIONDATA_RACE (9 of 35 remaining) [2023-11-30 02:44:08,803 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location t2_funErr5ASSERT_VIOLATIONDATA_RACE (8 of 35 remaining) [2023-11-30 02:44:08,803 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location t2_funErr4ASSERT_VIOLATIONDATA_RACE (7 of 35 remaining) [2023-11-30 02:44:08,803 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location t2_funErr6ASSERT_VIOLATIONDATA_RACE (6 of 35 remaining) [2023-11-30 02:44:08,803 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location t1_funErr0ASSERT_VIOLATIONDATA_RACE (5 of 35 remaining) [2023-11-30 02:44:08,803 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location t1_funErr1ASSERT_VIOLATIONDATA_RACE (4 of 35 remaining) [2023-11-30 02:44:08,803 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location t1_funErr2ASSERT_VIOLATIONDATA_RACE (3 of 35 remaining) [2023-11-30 02:44:08,803 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location t1_funErr3ASSERT_VIOLATIONDATA_RACE (2 of 35 remaining) [2023-11-30 02:44:08,804 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location t1_funErr4ASSERT_VIOLATIONDATA_RACE (1 of 35 remaining) [2023-11-30 02:44:08,804 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location t1_funErr5ASSERT_VIOLATIONDATA_RACE (0 of 35 remaining) [2023-11-30 02:44:08,804 INFO L457 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1] [2023-11-30 02:44:08,808 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-30 02:44:08,808 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-11-30 02:44:08,812 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 02:44:08 BasicIcfg [2023-11-30 02:44:08,812 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-30 02:44:08,812 INFO L158 Benchmark]: Toolchain (without parser) took 785337.35ms. Allocated memory was 346.0MB in the beginning and 16.0GB in the end (delta: 15.6GB). Free memory was 292.2MB in the beginning and 7.9GB in the end (delta: -7.6GB). Peak memory consumption was 8.0GB. Max. memory is 16.0GB. [2023-11-30 02:44:08,813 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 346.0MB. Free memory was 298.8MB in the beginning and 298.7MB in the end (delta: 188.9kB). There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 02:44:08,813 INFO L158 Benchmark]: CACSL2BoogieTranslator took 621.06ms. Allocated memory is still 346.0MB. Free memory was 292.2MB in the beginning and 255.2MB in the end (delta: 37.0MB). Peak memory consumption was 37.7MB. Max. memory is 16.0GB. [2023-11-30 02:44:08,815 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.95ms. Allocated memory is still 346.0MB. Free memory was 255.2MB in the beginning and 250.4MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-11-30 02:44:08,815 INFO L158 Benchmark]: Boogie Preprocessor took 56.95ms. Allocated memory is still 346.0MB. Free memory was 250.4MB in the beginning and 246.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-11-30 02:44:08,815 INFO L158 Benchmark]: RCFGBuilder took 845.44ms. Allocated memory is still 346.0MB. Free memory was 246.2MB in the beginning and 203.5MB in the end (delta: 42.7MB). Peak memory consumption was 44.0MB. Max. memory is 16.0GB. [2023-11-30 02:44:08,815 INFO L158 Benchmark]: TraceAbstraction took 783721.40ms. Allocated memory was 346.0MB in the beginning and 16.0GB in the end (delta: 15.6GB). Free memory was 202.8MB in the beginning and 7.9GB in the end (delta: -7.7GB). Peak memory consumption was 7.9GB. Max. memory is 16.0GB. [2023-11-30 02:44:08,816 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 346.0MB. Free memory was 298.8MB in the beginning and 298.7MB in the end (delta: 188.9kB). There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 621.06ms. Allocated memory is still 346.0MB. Free memory was 292.2MB in the beginning and 255.2MB in the end (delta: 37.0MB). Peak memory consumption was 37.7MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 86.95ms. Allocated memory is still 346.0MB. Free memory was 255.2MB in the beginning and 250.4MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 56.95ms. Allocated memory is still 346.0MB. Free memory was 250.4MB in the beginning and 246.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * RCFGBuilder took 845.44ms. Allocated memory is still 346.0MB. Free memory was 246.2MB in the beginning and 203.5MB in the end (delta: 42.7MB). Peak memory consumption was 44.0MB. Max. memory is 16.0GB. * TraceAbstraction took 783721.40ms. Allocated memory was 346.0MB in the beginning and 16.0GB in the end (delta: 15.6GB). Free memory was 202.8MB in the beginning and 7.9GB in the end (delta: -7.7GB). Peak memory consumption was 7.9GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 1051]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (17states, 345/401 universal loopers) in iteration 8,while PetriNetUnfolder was constructing finite prefix that currently has 12 conditions, 2 events (0/1 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 0/2 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place.). - TimeoutResultAtElement [Line: 1039]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (17states, 345/401 universal loopers) in iteration 8,while PetriNetUnfolder was constructing finite prefix that currently has 12 conditions, 2 events (0/1 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 0/2 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place.). - TimeoutResultAtElement [Line: 1017]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (17states, 345/401 universal loopers) in iteration 8,while PetriNetUnfolder was constructing finite prefix that currently has 12 conditions, 2 events (0/1 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 0/2 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place.). - TimeoutResultAtElement [Line: 1017]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (17states, 345/401 universal loopers) in iteration 8,while PetriNetUnfolder was constructing finite prefix that currently has 12 conditions, 2 events (0/1 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 0/2 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place.). - TimeoutResultAtElement [Line: 1041]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (17states, 345/401 universal loopers) in iteration 8,while PetriNetUnfolder was constructing finite prefix that currently has 12 conditions, 2 events (0/1 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 0/2 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place.). - TimeoutResultAtElement [Line: 1041]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (17states, 345/401 universal loopers) in iteration 8,while PetriNetUnfolder was constructing finite prefix that currently has 12 conditions, 2 events (0/1 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 0/2 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place.). - TimeoutResultAtElement [Line: 1041]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (17states, 345/401 universal loopers) in iteration 8,while PetriNetUnfolder was constructing finite prefix that currently has 12 conditions, 2 events (0/1 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 0/2 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place.). - TimeoutResultAtElement [Line: 1041]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (17states, 345/401 universal loopers) in iteration 8,while PetriNetUnfolder was constructing finite prefix that currently has 12 conditions, 2 events (0/1 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 0/2 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place.). - TimeoutResultAtElement [Line: 1041]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (17states, 345/401 universal loopers) in iteration 8,while PetriNetUnfolder was constructing finite prefix that currently has 12 conditions, 2 events (0/1 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 0/2 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place.). - TimeoutResultAtElement [Line: 1010]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (17states, 345/401 universal loopers) in iteration 8,while PetriNetUnfolder was constructing finite prefix that currently has 12 conditions, 2 events (0/1 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 0/2 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place.). - TimeoutResultAtElement [Line: 1053]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (17states, 345/401 universal loopers) in iteration 8,while PetriNetUnfolder was constructing finite prefix that currently has 12 conditions, 2 events (0/1 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 0/2 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place.). - TimeoutResultAtElement [Line: 1054]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (17states, 345/401 universal loopers) in iteration 8,while PetriNetUnfolder was constructing finite prefix that currently has 12 conditions, 2 events (0/1 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 0/2 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place.). - TimeoutResultAtElement [Line: 1011]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (17states, 345/401 universal loopers) in iteration 8,while PetriNetUnfolder was constructing finite prefix that currently has 12 conditions, 2 events (0/1 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 0/2 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place.). - TimeoutResultAtElement [Line: 1049]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (17states, 345/401 universal loopers) in iteration 8,while PetriNetUnfolder was constructing finite prefix that currently has 12 conditions, 2 events (0/1 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 0/2 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place.). - TimeoutResultAtElement [Line: 1052]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (17states, 345/401 universal loopers) in iteration 8,while PetriNetUnfolder was constructing finite prefix that currently has 12 conditions, 2 events (0/1 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 0/2 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place.). - TimeoutResultAtElement [Line: 1010]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (17states, 345/401 universal loopers) in iteration 8,while PetriNetUnfolder was constructing finite prefix that currently has 12 conditions, 2 events (0/1 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 0/2 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place.). - TimeoutResultAtElement [Line: 1011]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (17states, 345/401 universal loopers) in iteration 8,while PetriNetUnfolder was constructing finite prefix that currently has 12 conditions, 2 events (0/1 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 0/2 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place.). - TimeoutResultAtElement [Line: 1033]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (17states, 345/401 universal loopers) in iteration 8,while PetriNetUnfolder was constructing finite prefix that currently has 12 conditions, 2 events (0/1 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 0/2 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place.). - TimeoutResultAtElement [Line: 1023]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (17states, 345/401 universal loopers) in iteration 8,while PetriNetUnfolder was constructing finite prefix that currently has 12 conditions, 2 events (0/1 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 0/2 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place.). - TimeoutResultAtElement [Line: 1024]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (17states, 345/401 universal loopers) in iteration 8,while PetriNetUnfolder was constructing finite prefix that currently has 12 conditions, 2 events (0/1 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 0/2 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place.). - TimeoutResultAtElement [Line: 1025]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (17states, 345/401 universal loopers) in iteration 8,while PetriNetUnfolder was constructing finite prefix that currently has 12 conditions, 2 events (0/1 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 0/2 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 611 locations, 35 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: 783.5s, OverallIterations: 8, TraceHistogramMax: 7, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 166.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 87 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 87 mSDsluCounter, 399 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 21 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1784 IncrementalHoareTripleChecker+Invalid, 1786 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 378 mSDtfsCounter, 1784 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 640 GetRequests, 568 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2666occurred in iteration=7, InterpolantAutomatonStates: 54, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 1168 NumberOfCodeBlocks, 1168 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1399 ConstructedInterpolants, 0 QuantifiedInterpolants, 3184 SizeOfPredicates, 8 NumberOfNonLiveVariables, 1181 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 13 InterpolantComputations, 5 PerfectInterpolantSequences, 36/1166 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown