/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg true --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.reach_error.function false -i ../../../trunk/examples/svcomp/pthread-lit/qw2004-2b.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-30 01:01:35,464 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-30 01:01:35,535 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2023-11-30 01:01:35,554 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-30 01:01:35,554 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-30 01:01:35,555 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-30 01:01:35,555 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-30 01:01:35,555 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-30 01:01:35,556 INFO L153 SettingsManager]: * Use SBE=true [2023-11-30 01:01:35,556 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-30 01:01:35,556 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-30 01:01:35,556 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-30 01:01:35,556 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-30 01:01:35,557 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-30 01:01:35,557 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-30 01:01:35,557 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-30 01:01:35,557 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-30 01:01:35,557 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-30 01:01:35,558 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-30 01:01:35,558 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-30 01:01:35,558 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-30 01:01:35,558 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-30 01:01:35,559 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-30 01:01:35,559 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-30 01:01:35,559 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-30 01:01:35,559 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 01:01:35,560 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-30 01:01:35,560 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-30 01:01:35,560 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-30 01:01:35,560 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-30 01:01:35,560 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-30 01:01:35,560 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-30 01:01:35,560 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-30 01:01:35,561 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2023-11-30 01:01:35,839 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-30 01:01:35,857 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-30 01:01:35,859 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-30 01:01:35,860 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-30 01:01:35,860 INFO L274 PluginConnector]: CDTParser initialized [2023-11-30 01:01:35,860 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-lit/qw2004-2b.i [2023-11-30 01:01:36,808 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-30 01:01:37,022 INFO L384 CDTParser]: Found 1 translation units. [2023-11-30 01:01:37,022 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/qw2004-2b.i [2023-11-30 01:01:37,032 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73684bd90/4c569f5bb72144c9acb2115e86c3bb1f/FLAGad374bc29 [2023-11-30 01:01:37,046 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73684bd90/4c569f5bb72144c9acb2115e86c3bb1f [2023-11-30 01:01:37,048 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-30 01:01:37,049 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-30 01:01:37,049 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-30 01:01:37,049 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-30 01:01:37,052 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-30 01:01:37,053 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:01:37" (1/1) ... [2023-11-30 01:01:37,053 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d0ee746 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:01:37, skipping insertion in model container [2023-11-30 01:01:37,053 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:01:37" (1/1) ... [2023-11-30 01:01:37,097 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-30 01:01:37,327 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 01:01:37,333 INFO L202 MainTranslator]: Completed pre-run [2023-11-30 01:01:37,367 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 01:01:37,390 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 01:01:37,391 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 01:01:37,395 INFO L206 MainTranslator]: Completed translation [2023-11-30 01:01:37,396 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:01:37 WrapperNode [2023-11-30 01:01:37,397 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-30 01:01:37,398 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-30 01:01:37,398 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-30 01:01:37,398 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-30 01:01:37,402 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:01:37" (1/1) ... [2023-11-30 01:01:37,424 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:01:37" (1/1) ... [2023-11-30 01:01:37,445 INFO L138 Inliner]: procedures = 175, calls = 37, calls flagged for inlining = 10, calls inlined = 11, statements flattened = 181 [2023-11-30 01:01:37,446 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-30 01:01:37,446 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-30 01:01:37,446 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-30 01:01:37,446 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-30 01:01:37,451 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:01:37" (1/1) ... [2023-11-30 01:01:37,451 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:01:37" (1/1) ... [2023-11-30 01:01:37,463 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:01:37" (1/1) ... [2023-11-30 01:01:37,463 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:01:37" (1/1) ... [2023-11-30 01:01:37,466 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:01:37" (1/1) ... [2023-11-30 01:01:37,467 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:01:37" (1/1) ... [2023-11-30 01:01:37,468 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:01:37" (1/1) ... [2023-11-30 01:01:37,469 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:01:37" (1/1) ... [2023-11-30 01:01:37,470 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-30 01:01:37,471 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-30 01:01:37,471 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-30 01:01:37,471 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-30 01:01:37,471 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:01:37" (1/1) ... [2023-11-30 01:01:37,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 01:01:37,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 01:01:37,501 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-30 01:01:37,531 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-30 01:01:37,554 INFO L130 BoogieDeclarations]: Found specification of procedure BCSP_PnpStop [2023-11-30 01:01:37,554 INFO L138 BoogieDeclarations]: Found implementation of procedure BCSP_PnpStop [2023-11-30 01:01:37,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-30 01:01:37,554 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-30 01:01:37,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-30 01:01:37,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-30 01:01:37,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-30 01:01:37,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-30 01:01:37,554 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-30 01:01:37,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-30 01:01:37,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-30 01:01:37,555 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-30 01:01:37,643 INFO L241 CfgBuilder]: Building ICFG [2023-11-30 01:01:37,645 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-30 01:01:37,910 INFO L282 CfgBuilder]: Performing block encoding [2023-11-30 01:01:38,004 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-30 01:01:38,004 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-30 01:01:38,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:01:38 BoogieIcfgContainer [2023-11-30 01:01:38,005 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-30 01:01:38,006 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-30 01:01:38,006 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-30 01:01:38,008 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-30 01:01:38,009 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 01:01:37" (1/3) ... [2023-11-30 01:01:38,009 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8ba080e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:01:38, skipping insertion in model container [2023-11-30 01:01:38,009 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:01:37" (2/3) ... [2023-11-30 01:01:38,009 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8ba080e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:01:38, skipping insertion in model container [2023-11-30 01:01:38,009 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:01:38" (3/3) ... [2023-11-30 01:01:38,010 INFO L112 eAbstractionObserver]: Analyzing ICFG qw2004-2b.i [2023-11-30 01:01:38,043 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-30 01:01:38,043 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 19 error locations. [2023-11-30 01:01:38,043 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-30 01:01:38,122 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-30 01:01:38,152 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 149 places, 152 transitions, 308 flow [2023-11-30 01:01:38,243 INFO L124 PetriNetUnfolderBase]: 7/151 cut-off events. [2023-11-30 01:01:38,243 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 01:01:38,247 INFO L83 FinitePrefix]: Finished finitePrefix Result has 155 conditions, 151 events. 7/151 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 212 event pairs, 0 based on Foata normal form. 0/125 useless extension candidates. Maximal degree in co-relation 110. Up to 2 conditions per place. [2023-11-30 01:01:38,247 INFO L82 GeneralOperation]: Start removeDead. Operand has 149 places, 152 transitions, 308 flow [2023-11-30 01:01:38,251 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 148 places, 151 transitions, 305 flow [2023-11-30 01:01:38,261 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-30 01:01:38,266 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;@70a34f8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-30 01:01:38,266 INFO L363 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2023-11-30 01:01:38,269 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-30 01:01:38,270 INFO L124 PetriNetUnfolderBase]: 0/16 cut-off events. [2023-11-30 01:01:38,270 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 01:01:38,270 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:01:38,270 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 01:01:38,271 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-30 01:01:38,274 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:01:38,274 INFO L85 PathProgramCache]: Analyzing trace with hash -609205998, now seen corresponding path program 1 times [2023-11-30 01:01:38,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:01:38,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123024712] [2023-11-30 01:01:38,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:01:38,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:01:38,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:01:38,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 01:01:38,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:01:38,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123024712] [2023-11-30 01:01:38,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123024712] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:01:38,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:01:38,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 01:01:38,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681390133] [2023-11-30 01:01:38,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:01:38,414 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 01:01:38,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:01:38,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 01:01:38,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 01:01:38,450 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 152 [2023-11-30 01:01:38,452 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 151 transitions, 305 flow. Second operand has 3 states, 3 states have (on average 115.33333333333333) internal successors, (346), 3 states have internal predecessors, (346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:01:38,452 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:01:38,452 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 152 [2023-11-30 01:01:38,453 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:01:38,591 INFO L124 PetriNetUnfolderBase]: 52/397 cut-off events. [2023-11-30 01:01:38,591 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-30 01:01:38,596 INFO L83 FinitePrefix]: Finished finitePrefix Result has 497 conditions, 397 events. 52/397 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1731 event pairs, 27 based on Foata normal form. 15/369 useless extension candidates. Maximal degree in co-relation 446. Up to 94 conditions per place. [2023-11-30 01:01:38,597 INFO L140 encePairwiseOnDemand]: 131/152 looper letters, 3 selfloop transitions, 2 changer transitions 95/129 dead transitions. [2023-11-30 01:01:38,598 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 129 transitions, 297 flow [2023-11-30 01:01:38,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 01:01:38,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 01:01:38,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 379 transitions. [2023-11-30 01:01:38,613 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.831140350877193 [2023-11-30 01:01:38,613 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 379 transitions. [2023-11-30 01:01:38,614 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 379 transitions. [2023-11-30 01:01:38,617 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:01:38,619 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 379 transitions. [2023-11-30 01:01:38,623 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 126.33333333333333) internal successors, (379), 3 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:01:38,626 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 152.0) internal successors, (608), 4 states have internal predecessors, (608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:01:38,626 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 152.0) internal successors, (608), 4 states have internal predecessors, (608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:01:38,630 INFO L307 CegarLoopForPetriNet]: 148 programPoint places, -17 predicate places. [2023-11-30 01:01:38,631 INFO L500 AbstractCegarLoop]: Abstraction has has 131 places, 129 transitions, 297 flow [2023-11-30 01:01:38,631 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 115.33333333333333) internal successors, (346), 3 states have internal predecessors, (346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:01:38,631 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:01:38,631 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] [2023-11-30 01:01:38,631 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-30 01:01:38,632 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-30 01:01:38,633 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:01:38,633 INFO L85 PathProgramCache]: Analyzing trace with hash 318344192, now seen corresponding path program 1 times [2023-11-30 01:01:38,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:01:38,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602751431] [2023-11-30 01:01:38,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:01:38,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:01:38,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:01:38,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 01:01:38,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:01:38,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602751431] [2023-11-30 01:01:38,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602751431] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:01:38,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:01:38,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 01:01:38,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288845070] [2023-11-30 01:01:38,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:01:38,724 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 01:01:38,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:01:38,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 01:01:38,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 01:01:38,725 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 152 [2023-11-30 01:01:38,725 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 129 transitions, 297 flow. Second operand has 3 states, 3 states have (on average 115.33333333333333) internal successors, (346), 3 states have internal predecessors, (346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:01:38,726 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:01:38,726 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 152 [2023-11-30 01:01:38,726 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:01:38,803 INFO L124 PetriNetUnfolderBase]: 52/396 cut-off events. [2023-11-30 01:01:38,803 INFO L125 PetriNetUnfolderBase]: For 66/116 co-relation queries the response was YES. [2023-11-30 01:01:38,804 INFO L83 FinitePrefix]: Finished finitePrefix Result has 592 conditions, 396 events. 52/396 cut-off events. For 66/116 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1741 event pairs, 27 based on Foata normal form. 0/354 useless extension candidates. Maximal degree in co-relation 535. Up to 94 conditions per place. [2023-11-30 01:01:38,804 INFO L140 encePairwiseOnDemand]: 149/152 looper letters, 3 selfloop transitions, 2 changer transitions 95/128 dead transitions. [2023-11-30 01:01:38,805 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 128 transitions, 331 flow [2023-11-30 01:01:38,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 01:01:38,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 01:01:38,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 361 transitions. [2023-11-30 01:01:38,807 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7916666666666666 [2023-11-30 01:01:38,807 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 361 transitions. [2023-11-30 01:01:38,807 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 361 transitions. [2023-11-30 01:01:38,808 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:01:38,808 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 361 transitions. [2023-11-30 01:01:38,809 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 120.33333333333333) internal successors, (361), 3 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:01:38,811 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 152.0) internal successors, (608), 4 states have internal predecessors, (608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:01:38,811 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 152.0) internal successors, (608), 4 states have internal predecessors, (608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:01:38,812 INFO L307 CegarLoopForPetriNet]: 148 programPoint places, -16 predicate places. [2023-11-30 01:01:38,812 INFO L500 AbstractCegarLoop]: Abstraction has has 132 places, 128 transitions, 331 flow [2023-11-30 01:01:38,812 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 115.33333333333333) internal successors, (346), 3 states have internal predecessors, (346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:01:38,812 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:01:38,812 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] [2023-11-30 01:01:38,813 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-30 01:01:38,813 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-30 01:01:38,814 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:01:38,814 INFO L85 PathProgramCache]: Analyzing trace with hash -504409069, now seen corresponding path program 1 times [2023-11-30 01:01:38,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:01:38,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422449928] [2023-11-30 01:01:38,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:01:38,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:01:38,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:01:38,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 01:01:38,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:01:38,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422449928] [2023-11-30 01:01:38,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422449928] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:01:38,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:01:38,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 01:01:38,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323959231] [2023-11-30 01:01:38,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:01:38,872 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 01:01:38,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:01:38,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 01:01:38,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 01:01:38,874 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 152 [2023-11-30 01:01:38,874 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 128 transitions, 331 flow. Second operand has 3 states, 3 states have (on average 115.33333333333333) internal successors, (346), 3 states have internal predecessors, (346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:01:38,874 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:01:38,874 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 152 [2023-11-30 01:01:38,874 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:01:38,925 INFO L124 PetriNetUnfolderBase]: 52/395 cut-off events. [2023-11-30 01:01:38,925 INFO L125 PetriNetUnfolderBase]: For 195/295 co-relation queries the response was YES. [2023-11-30 01:01:38,926 INFO L83 FinitePrefix]: Finished finitePrefix Result has 687 conditions, 395 events. 52/395 cut-off events. For 195/295 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1751 event pairs, 27 based on Foata normal form. 0/354 useless extension candidates. Maximal degree in co-relation 624. Up to 94 conditions per place. [2023-11-30 01:01:38,930 INFO L140 encePairwiseOnDemand]: 149/152 looper letters, 3 selfloop transitions, 2 changer transitions 95/127 dead transitions. [2023-11-30 01:01:38,930 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 127 transitions, 365 flow [2023-11-30 01:01:38,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 01:01:38,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 01:01:38,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 361 transitions. [2023-11-30 01:01:38,931 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7916666666666666 [2023-11-30 01:01:38,931 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 361 transitions. [2023-11-30 01:01:38,931 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 361 transitions. [2023-11-30 01:01:38,932 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:01:38,932 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 361 transitions. [2023-11-30 01:01:38,932 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 120.33333333333333) internal successors, (361), 3 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:01:38,933 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 152.0) internal successors, (608), 4 states have internal predecessors, (608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:01:38,934 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 152.0) internal successors, (608), 4 states have internal predecessors, (608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:01:38,934 INFO L307 CegarLoopForPetriNet]: 148 programPoint places, -15 predicate places. [2023-11-30 01:01:38,935 INFO L500 AbstractCegarLoop]: Abstraction has has 133 places, 127 transitions, 365 flow [2023-11-30 01:01:38,935 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 115.33333333333333) internal successors, (346), 3 states have internal predecessors, (346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:01:38,935 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:01:38,935 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] [2023-11-30 01:01:38,936 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-30 01:01:38,936 INFO L425 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-30 01:01:38,936 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:01:38,936 INFO L85 PathProgramCache]: Analyzing trace with hash -1927122798, now seen corresponding path program 1 times [2023-11-30 01:01:38,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:01:38,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884956183] [2023-11-30 01:01:38,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:01:38,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:01:38,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:01:38,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 01:01:38,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:01:38,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884956183] [2023-11-30 01:01:38,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884956183] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:01:38,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:01:38,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 01:01:38,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053524235] [2023-11-30 01:01:38,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:01:38,988 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 01:01:38,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:01:38,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 01:01:38,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 01:01:38,993 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 152 [2023-11-30 01:01:38,993 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 127 transitions, 365 flow. Second operand has 3 states, 3 states have (on average 115.33333333333333) internal successors, (346), 3 states have internal predecessors, (346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:01:38,993 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:01:38,994 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 152 [2023-11-30 01:01:38,994 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:01:39,046 INFO L124 PetriNetUnfolderBase]: 52/394 cut-off events. [2023-11-30 01:01:39,047 INFO L125 PetriNetUnfolderBase]: For 388/538 co-relation queries the response was YES. [2023-11-30 01:01:39,047 INFO L83 FinitePrefix]: Finished finitePrefix Result has 782 conditions, 394 events. 52/394 cut-off events. For 388/538 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1742 event pairs, 27 based on Foata normal form. 0/354 useless extension candidates. Maximal degree in co-relation 713. Up to 94 conditions per place. [2023-11-30 01:01:39,048 INFO L140 encePairwiseOnDemand]: 149/152 looper letters, 0 selfloop transitions, 0 changer transitions 126/126 dead transitions. [2023-11-30 01:01:39,048 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 126 transitions, 399 flow [2023-11-30 01:01:39,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 01:01:39,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 01:01:39,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 361 transitions. [2023-11-30 01:01:39,049 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7916666666666666 [2023-11-30 01:01:39,049 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 361 transitions. [2023-11-30 01:01:39,049 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 361 transitions. [2023-11-30 01:01:39,050 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:01:39,050 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 361 transitions. [2023-11-30 01:01:39,051 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 120.33333333333333) internal successors, (361), 3 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:01:39,051 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 152.0) internal successors, (608), 4 states have internal predecessors, (608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:01:39,052 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 152.0) internal successors, (608), 4 states have internal predecessors, (608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:01:39,053 INFO L307 CegarLoopForPetriNet]: 148 programPoint places, -14 predicate places. [2023-11-30 01:01:39,053 INFO L500 AbstractCegarLoop]: Abstraction has has 134 places, 126 transitions, 399 flow [2023-11-30 01:01:39,053 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 115.33333333333333) internal successors, (346), 3 states have internal predecessors, (346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:01:39,060 INFO L143 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/qw2004-2b.i_BEv2_AllErrorsAtOnce [2023-11-30 01:01:39,088 INFO L810 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE (26 of 27 remaining) [2023-11-30 01:01:39,088 INFO L810 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE (25 of 27 remaining) [2023-11-30 01:01:39,089 INFO L810 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (24 of 27 remaining) [2023-11-30 01:01:39,089 INFO L810 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr3ASSERT_VIOLATIONDATA_RACE (23 of 27 remaining) [2023-11-30 01:01:39,089 INFO L810 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr4ASSERT_VIOLATIONDATA_RACE (22 of 27 remaining) [2023-11-30 01:01:39,090 INFO L810 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr5ASSERT_VIOLATIONDATA_RACE (21 of 27 remaining) [2023-11-30 01:01:39,090 INFO L810 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr6ASSERT_VIOLATIONDATA_RACE (20 of 27 remaining) [2023-11-30 01:01:39,090 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (19 of 27 remaining) [2023-11-30 01:01:39,090 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (18 of 27 remaining) [2023-11-30 01:01:39,090 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (17 of 27 remaining) [2023-11-30 01:01:39,090 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (16 of 27 remaining) [2023-11-30 01:01:39,090 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (15 of 27 remaining) [2023-11-30 01:01:39,090 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (14 of 27 remaining) [2023-11-30 01:01:39,091 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (13 of 27 remaining) [2023-11-30 01:01:39,091 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (12 of 27 remaining) [2023-11-30 01:01:39,091 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (11 of 27 remaining) [2023-11-30 01:01:39,091 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (10 of 27 remaining) [2023-11-30 01:01:39,092 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (9 of 27 remaining) [2023-11-30 01:01:39,092 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (8 of 27 remaining) [2023-11-30 01:01:39,092 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 27 remaining) [2023-11-30 01:01:39,092 INFO L810 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE (6 of 27 remaining) [2023-11-30 01:01:39,093 INFO L810 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE (5 of 27 remaining) [2023-11-30 01:01:39,093 INFO L810 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (4 of 27 remaining) [2023-11-30 01:01:39,096 INFO L810 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr3ASSERT_VIOLATIONDATA_RACE (3 of 27 remaining) [2023-11-30 01:01:39,096 INFO L810 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr4ASSERT_VIOLATIONDATA_RACE (2 of 27 remaining) [2023-11-30 01:01:39,096 INFO L810 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr5ASSERT_VIOLATIONDATA_RACE (1 of 27 remaining) [2023-11-30 01:01:39,096 INFO L810 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr6ASSERT_VIOLATIONDATA_RACE (0 of 27 remaining) [2023-11-30 01:01:39,096 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-30 01:01:39,097 INFO L457 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-30 01:01:39,100 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-30 01:01:39,100 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-11-30 01:01:39,107 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 01:01:39 BasicIcfg [2023-11-30 01:01:39,107 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-30 01:01:39,108 INFO L158 Benchmark]: Toolchain (without parser) took 2059.23ms. Allocated memory was 360.7MB in the beginning and 486.5MB in the end (delta: 125.8MB). Free memory was 321.0MB in the beginning and 340.6MB in the end (delta: -19.6MB). Peak memory consumption was 108.6MB. Max. memory is 16.0GB. [2023-11-30 01:01:39,108 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 360.7MB. Free memory was 316.2MB in the beginning and 315.9MB in the end (delta: 243.5kB). There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 01:01:39,109 INFO L158 Benchmark]: CACSL2BoogieTranslator took 347.56ms. Allocated memory is still 360.7MB. Free memory was 320.6MB in the beginning and 300.2MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.0GB. [2023-11-30 01:01:39,111 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.90ms. Allocated memory is still 360.7MB. Free memory was 300.2MB in the beginning and 297.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 01:01:39,111 INFO L158 Benchmark]: Boogie Preprocessor took 24.46ms. Allocated memory is still 360.7MB. Free memory was 297.8MB in the beginning and 296.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 01:01:39,111 INFO L158 Benchmark]: RCFGBuilder took 534.29ms. Allocated memory is still 360.7MB. Free memory was 296.4MB in the beginning and 272.2MB in the end (delta: 24.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.0GB. [2023-11-30 01:01:39,111 INFO L158 Benchmark]: TraceAbstraction took 1101.01ms. Allocated memory was 360.7MB in the beginning and 486.5MB in the end (delta: 125.8MB). Free memory was 271.6MB in the beginning and 340.6MB in the end (delta: -68.9MB). Peak memory consumption was 58.3MB. Max. memory is 16.0GB. [2023-11-30 01:01:39,112 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 360.7MB. Free memory was 316.2MB in the beginning and 315.9MB in the end (delta: 243.5kB). There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 347.56ms. Allocated memory is still 360.7MB. Free memory was 320.6MB in the beginning and 300.2MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 47.90ms. Allocated memory is still 360.7MB. Free memory was 300.2MB in the beginning and 297.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 24.46ms. Allocated memory is still 360.7MB. Free memory was 297.8MB in the beginning and 296.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 534.29ms. Allocated memory is still 360.7MB. Free memory was 296.4MB in the beginning and 272.2MB in the end (delta: 24.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.0GB. * TraceAbstraction took 1101.01ms. Allocated memory was 360.7MB in the beginning and 486.5MB in the end (delta: 125.8MB). Free memory was 271.6MB in the beginning and 340.6MB in the end (delta: -68.9MB). Peak memory consumption was 58.3MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 745]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 719]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 719]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 720]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 729]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 749]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 752]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 757]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 758]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 759]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 760]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 703]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 709]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 712]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 737]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 719]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 719]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 720]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 729]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 182 locations, 27 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: 0.9s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 116 IncrementalHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 20 mSDtfsCounter, 116 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=399occurred in iteration=4, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 98 NumberOfCodeBlocks, 98 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 94 ConstructedInterpolants, 0 QuantifiedInterpolants, 102 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 19 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-30 01:01:39,130 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...