/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -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 -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_36-traces-ex-3_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-a20a710-m [2023-12-09 15:01:38,497 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-09 15:01:38,562 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 [2023-12-09 15:01:38,592 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-09 15:01:38,592 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-09 15:01:38,593 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-09 15:01:38,593 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-09 15:01:38,593 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-09 15:01:38,594 INFO L153 SettingsManager]: * Use SBE=true [2023-12-09 15:01:38,597 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-09 15:01:38,597 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-09 15:01:38,597 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-09 15:01:38,597 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-09 15:01:38,598 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-09 15:01:38,599 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-09 15:01:38,599 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-09 15:01:38,599 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-09 15:01:38,599 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-09 15:01:38,599 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-09 15:01:38,599 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-09 15:01:38,599 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-09 15:01:38,600 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-09 15:01:38,600 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-09 15:01:38,600 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-12-09 15:01:38,601 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-09 15:01:38,601 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-09 15:01:38,601 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-09 15:01:38,601 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-09 15:01:38,601 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-09 15:01:38,601 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-09 15:01:38,602 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-09 15:01:38,602 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-09 15:01:38,602 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-09 15:01:38,602 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true [2023-12-09 15:01:38,792 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-09 15:01:38,818 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-09 15:01:38,820 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-09 15:01:38,821 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-09 15:01:38,821 INFO L274 PluginConnector]: CDTParser initialized [2023-12-09 15:01:38,822 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_36-traces-ex-3_true.i [2023-12-09 15:01:39,887 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-09 15:01:40,054 INFO L384 CDTParser]: Found 1 translation units. [2023-12-09 15:01:40,054 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_36-traces-ex-3_true.i [2023-12-09 15:01:40,070 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6b39bb95/571e2087b0dd4f8a92074ebee79c3582/FLAG6ed4cc7b1 [2023-12-09 15:01:40,084 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6b39bb95/571e2087b0dd4f8a92074ebee79c3582 [2023-12-09 15:01:40,086 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-09 15:01:40,086 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-09 15:01:40,089 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-09 15:01:40,089 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-09 15:01:40,092 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-09 15:01:40,093 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:01:40" (1/1) ... [2023-12-09 15:01:40,094 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@687d2072 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:01:40, skipping insertion in model container [2023-12-09 15:01:40,094 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:01:40" (1/1) ... [2023-12-09 15:01:40,136 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-09 15:01:40,239 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_36-traces-ex-3_true.i[1088,1101] [2023-12-09 15:01:40,372 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-09 15:01:40,386 INFO L202 MainTranslator]: Completed pre-run [2023-12-09 15:01:40,396 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_36-traces-ex-3_true.i[1088,1101] [2023-12-09 15:01:40,423 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-09 15:01:40,450 INFO L206 MainTranslator]: Completed translation [2023-12-09 15:01:40,451 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:01:40 WrapperNode [2023-12-09 15:01:40,451 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-09 15:01:40,452 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-09 15:01:40,452 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-09 15:01:40,452 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-09 15:01:40,457 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:01:40" (1/1) ... [2023-12-09 15:01:40,478 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:01:40" (1/1) ... [2023-12-09 15:01:40,495 INFO L138 Inliner]: procedures = 163, calls = 32, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 54 [2023-12-09 15:01:40,496 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-09 15:01:40,496 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-09 15:01:40,496 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-09 15:01:40,496 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-09 15:01:40,501 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:01:40" (1/1) ... [2023-12-09 15:01:40,502 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:01:40" (1/1) ... [2023-12-09 15:01:40,506 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:01:40" (1/1) ... [2023-12-09 15:01:40,506 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:01:40" (1/1) ... [2023-12-09 15:01:40,518 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:01:40" (1/1) ... [2023-12-09 15:01:40,519 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:01:40" (1/1) ... [2023-12-09 15:01:40,520 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:01:40" (1/1) ... [2023-12-09 15:01:40,521 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:01:40" (1/1) ... [2023-12-09 15:01:40,522 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-09 15:01:40,523 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-09 15:01:40,523 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-09 15:01:40,523 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-09 15:01:40,523 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:01:40" (1/1) ... [2023-12-09 15:01:40,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-09 15:01:40,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-09 15:01:40,554 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) [2023-12-09 15:01:40,582 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 [2023-12-09 15:01:40,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-09 15:01:40,600 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-12-09 15:01:40,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-09 15:01:40,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-09 15:01:40,601 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-12-09 15:01:40,601 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-12-09 15:01:40,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-09 15:01:40,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-09 15:01:40,602 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-12-09 15:01:40,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-09 15:01:40,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-09 15:01:40,603 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-09 15:01:40,685 INFO L241 CfgBuilder]: Building ICFG [2023-12-09 15:01:40,687 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-09 15:01:40,796 INFO L282 CfgBuilder]: Performing block encoding [2023-12-09 15:01:40,820 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-09 15:01:40,820 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-09 15:01:40,822 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:01:40 BoogieIcfgContainer [2023-12-09 15:01:40,822 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-09 15:01:40,823 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-09 15:01:40,823 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-09 15:01:40,825 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-09 15:01:40,826 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 03:01:40" (1/3) ... [2023-12-09 15:01:40,826 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4293c886 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 03:01:40, skipping insertion in model container [2023-12-09 15:01:40,826 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:01:40" (2/3) ... [2023-12-09 15:01:40,826 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4293c886 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 03:01:40, skipping insertion in model container [2023-12-09 15:01:40,826 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:01:40" (3/3) ... [2023-12-09 15:01:40,828 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_36-traces-ex-3_true.i [2023-12-09 15:01:40,839 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-09 15:01:40,839 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-09 15:01:40,839 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-12-09 15:01:40,866 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-12-09 15:01:40,894 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 71 places, 68 transitions, 140 flow [2023-12-09 15:01:40,923 INFO L124 PetriNetUnfolderBase]: 1/67 cut-off events. [2023-12-09 15:01:40,923 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-12-09 15:01:40,926 INFO L83 FinitePrefix]: Finished finitePrefix Result has 71 conditions, 67 events. 1/67 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 39 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 39. Up to 2 conditions per place. [2023-12-09 15:01:40,926 INFO L82 GeneralOperation]: Start removeDead. Operand has 71 places, 68 transitions, 140 flow [2023-12-09 15:01:40,928 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 58 places, 54 transitions, 111 flow [2023-12-09 15:01:40,935 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-09 15:01:40,940 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;@10de89b3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-09 15:01:40,940 INFO L363 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-12-09 15:01:40,955 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-12-09 15:01:40,955 INFO L124 PetriNetUnfolderBase]: 0/52 cut-off events. [2023-12-09 15:01:40,955 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-12-09 15:01:40,955 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-09 15:01:40,956 INFO L233 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] [2023-12-09 15:01:40,956 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-12-09 15:01:40,960 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-09 15:01:40,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1355129037, now seen corresponding path program 1 times [2023-12-09 15:01:40,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-09 15:01:40,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055129533] [2023-12-09 15:01:40,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-09 15:01:40,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-09 15:01:41,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-09 15:01:41,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-09 15:01:41,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-09 15:01:41,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055129533] [2023-12-09 15:01:41,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055129533] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-09 15:01:41,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-09 15:01:41,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-09 15:01:41,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348442888] [2023-12-09 15:01:41,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-09 15:01:41,314 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-09 15:01:41,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-09 15:01:41,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-09 15:01:41,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-09 15:01:41,339 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 68 [2023-12-09 15:01:41,342 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 54 transitions, 111 flow. Second operand has 5 states, 5 states have (on average 48.8) internal successors, (244), 5 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 15:01:41,342 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-09 15:01:41,342 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 68 [2023-12-09 15:01:41,343 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-09 15:01:41,490 INFO L124 PetriNetUnfolderBase]: 47/194 cut-off events. [2023-12-09 15:01:41,490 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-12-09 15:01:41,491 INFO L83 FinitePrefix]: Finished finitePrefix Result has 316 conditions, 194 events. 47/194 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 674 event pairs, 17 based on Foata normal form. 7/201 useless extension candidates. Maximal degree in co-relation 281. Up to 42 conditions per place. [2023-12-09 15:01:41,492 INFO L140 encePairwiseOnDemand]: 62/68 looper letters, 18 selfloop transitions, 3 changer transitions 17/77 dead transitions. [2023-12-09 15:01:41,492 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 77 transitions, 233 flow [2023-12-09 15:01:41,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-09 15:01:41,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-12-09 15:01:41,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 369 transitions. [2023-12-09 15:01:41,509 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.7752100840336135 [2023-12-09 15:01:41,510 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 369 transitions. [2023-12-09 15:01:41,510 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 369 transitions. [2023-12-09 15:01:41,518 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-09 15:01:41,519 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 369 transitions. [2023-12-09 15:01:41,527 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 52.714285714285715) internal successors, (369), 7 states have internal predecessors, (369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 15:01:41,530 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 68.0) internal successors, (544), 8 states have internal predecessors, (544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 15:01:41,531 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 68.0) internal successors, (544), 8 states have internal predecessors, (544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 15:01:41,533 INFO L308 CegarLoopForPetriNet]: 58 programPoint places, 6 predicate places. [2023-12-09 15:01:41,533 INFO L500 AbstractCegarLoop]: Abstraction has has 64 places, 77 transitions, 233 flow [2023-12-09 15:01:41,533 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 48.8) internal successors, (244), 5 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 15:01:41,533 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-09 15:01:41,534 INFO L233 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-09 15:01:41,534 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-09 15:01:41,534 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-12-09 15:01:41,534 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-09 15:01:41,534 INFO L85 PathProgramCache]: Analyzing trace with hash 1832400395, now seen corresponding path program 1 times [2023-12-09 15:01:41,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-09 15:01:41,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099725340] [2023-12-09 15:01:41,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-09 15:01:41,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-09 15:01:41,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-09 15:01:41,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-09 15:01:41,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-09 15:01:41,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099725340] [2023-12-09 15:01:41,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099725340] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-09 15:01:41,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-09 15:01:41,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-09 15:01:41,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353013418] [2023-12-09 15:01:41,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-09 15:01:41,631 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-09 15:01:41,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-09 15:01:41,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-09 15:01:41,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-09 15:01:41,632 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 51 out of 68 [2023-12-09 15:01:41,632 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 77 transitions, 233 flow. Second operand has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 15:01:41,632 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-09 15:01:41,632 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 51 of 68 [2023-12-09 15:01:41,632 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-09 15:01:41,700 INFO L124 PetriNetUnfolderBase]: 52/225 cut-off events. [2023-12-09 15:01:41,700 INFO L125 PetriNetUnfolderBase]: For 40/40 co-relation queries the response was YES. [2023-12-09 15:01:41,701 INFO L83 FinitePrefix]: Finished finitePrefix Result has 447 conditions, 225 events. 52/225 cut-off events. For 40/40 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 864 event pairs, 12 based on Foata normal form. 7/232 useless extension candidates. Maximal degree in co-relation 404. Up to 52 conditions per place. [2023-12-09 15:01:41,702 INFO L140 encePairwiseOnDemand]: 63/68 looper letters, 17 selfloop transitions, 7 changer transitions 17/84 dead transitions. [2023-12-09 15:01:41,703 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 84 transitions, 325 flow [2023-12-09 15:01:41,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-09 15:01:41,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-12-09 15:01:41,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 174 transitions. [2023-12-09 15:01:41,704 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.8529411764705882 [2023-12-09 15:01:41,704 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 174 transitions. [2023-12-09 15:01:41,704 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 174 transitions. [2023-12-09 15:01:41,705 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-09 15:01:41,705 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 174 transitions. [2023-12-09 15:01:41,707 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 15:01:41,708 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 68.0) internal successors, (272), 4 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 15:01:41,708 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 68.0) internal successors, (272), 4 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 15:01:41,709 INFO L308 CegarLoopForPetriNet]: 58 programPoint places, 8 predicate places. [2023-12-09 15:01:41,709 INFO L500 AbstractCegarLoop]: Abstraction has has 66 places, 84 transitions, 325 flow [2023-12-09 15:01:41,709 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 15:01:41,709 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-09 15:01:41,709 INFO L233 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-09 15:01:41,710 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-09 15:01:41,710 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-12-09 15:01:41,711 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-09 15:01:41,711 INFO L85 PathProgramCache]: Analyzing trace with hash -2057353487, now seen corresponding path program 2 times [2023-12-09 15:01:41,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-09 15:01:41,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65394872] [2023-12-09 15:01:41,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-09 15:01:41,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-09 15:01:41,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-09 15:01:41,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-09 15:01:41,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-09 15:01:41,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65394872] [2023-12-09 15:01:41,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65394872] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-09 15:01:41,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-09 15:01:41,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-09 15:01:41,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021875235] [2023-12-09 15:01:41,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-09 15:01:41,900 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-09 15:01:41,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-09 15:01:41,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-09 15:01:41,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-09 15:01:41,901 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 68 [2023-12-09 15:01:41,902 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 84 transitions, 325 flow. Second operand has 6 states, 6 states have (on average 47.833333333333336) internal successors, (287), 6 states have internal predecessors, (287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 15:01:41,902 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-09 15:01:41,902 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 68 [2023-12-09 15:01:41,902 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-09 15:01:41,967 INFO L124 PetriNetUnfolderBase]: 12/98 cut-off events. [2023-12-09 15:01:41,970 INFO L125 PetriNetUnfolderBase]: For 59/59 co-relation queries the response was YES. [2023-12-09 15:01:41,971 INFO L83 FinitePrefix]: Finished finitePrefix Result has 230 conditions, 98 events. 12/98 cut-off events. For 59/59 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 208 event pairs, 2 based on Foata normal form. 5/103 useless extension candidates. Maximal degree in co-relation 173. Up to 27 conditions per place. [2023-12-09 15:01:41,975 INFO L140 encePairwiseOnDemand]: 63/68 looper letters, 0 selfloop transitions, 0 changer transitions 62/62 dead transitions. [2023-12-09 15:01:41,975 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 62 transitions, 283 flow [2023-12-09 15:01:41,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-09 15:01:41,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-12-09 15:01:41,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 248 transitions. [2023-12-09 15:01:41,976 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.7294117647058823 [2023-12-09 15:01:41,976 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 248 transitions. [2023-12-09 15:01:41,977 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 248 transitions. [2023-12-09 15:01:41,977 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-09 15:01:41,977 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 248 transitions. [2023-12-09 15:01:41,978 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 49.6) internal successors, (248), 5 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 15:01:41,979 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 68.0) internal successors, (408), 6 states have internal predecessors, (408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 15:01:41,979 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 68.0) internal successors, (408), 6 states have internal predecessors, (408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 15:01:41,980 INFO L308 CegarLoopForPetriNet]: 58 programPoint places, 8 predicate places. [2023-12-09 15:01:41,981 INFO L500 AbstractCegarLoop]: Abstraction has has 66 places, 62 transitions, 283 flow [2023-12-09 15:01:41,981 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 47.833333333333336) internal successors, (287), 6 states have internal predecessors, (287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 15:01:41,986 INFO L161 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/13-privatized_36-traces-ex-3_true.i_BEv2_AllErrorsAtOnce [2023-12-09 15:01:42,004 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2023-12-09 15:01:42,005 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2023-12-09 15:01:42,005 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-09 15:01:42,006 INFO L457 BasicCegarLoop]: Path program histogram: [2, 1] [2023-12-09 15:01:42,008 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-12-09 15:01:42,008 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-12-09 15:01:42,013 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 03:01:42 BasicIcfg [2023-12-09 15:01:42,013 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-09 15:01:42,013 INFO L158 Benchmark]: Toolchain (without parser) took 1926.91ms. Allocated memory was 181.4MB in the beginning and 220.2MB in the end (delta: 38.8MB). Free memory was 136.3MB in the beginning and 180.4MB in the end (delta: -44.0MB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-09 15:01:42,014 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 181.4MB. Free memory is still 139.7MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-09 15:01:42,014 INFO L158 Benchmark]: CACSL2BoogieTranslator took 362.18ms. Allocated memory is still 181.4MB. Free memory was 136.3MB in the beginning and 116.9MB in the end (delta: 19.5MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2023-12-09 15:01:42,014 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.69ms. Allocated memory is still 181.4MB. Free memory was 116.4MB in the beginning and 114.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-09 15:01:42,014 INFO L158 Benchmark]: Boogie Preprocessor took 26.25ms. Allocated memory is still 181.4MB. Free memory was 114.8MB in the beginning and 113.3MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-12-09 15:01:42,015 INFO L158 Benchmark]: RCFGBuilder took 299.07ms. Allocated memory is still 181.4MB. Free memory was 113.3MB in the beginning and 98.4MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2023-12-09 15:01:42,015 INFO L158 Benchmark]: TraceAbstraction took 1189.62ms. Allocated memory was 181.4MB in the beginning and 220.2MB in the end (delta: 38.8MB). Free memory was 97.5MB in the beginning and 180.4MB in the end (delta: -82.8MB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-09 15:01:42,017 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 181.4MB. Free memory is still 139.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 362.18ms. Allocated memory is still 181.4MB. Free memory was 136.3MB in the beginning and 116.9MB in the end (delta: 19.5MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 43.69ms. Allocated memory is still 181.4MB. Free memory was 116.4MB in the beginning and 114.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.25ms. Allocated memory is still 181.4MB. Free memory was 114.8MB in the beginning and 113.3MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 299.07ms. Allocated memory is still 181.4MB. Free memory was 113.3MB in the beginning and 98.4MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 1189.62ms. Allocated memory was 181.4MB in the beginning and 220.2MB in the end (delta: 38.8MB). Free memory was 97.5MB in the beginning and 180.4MB in the end (delta: -82.8MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 83 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 41 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 41 mSDsluCounter, 35 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 17 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 127 IncrementalHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 18 mSDtfsCounter, 127 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=325occurred in iteration=2, InterpolantAutomatonStates: 15, 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, 0.5s InterpolantComputationTime, 131 NumberOfCodeBlocks, 131 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 128 ConstructedInterpolants, 0 QuantifiedInterpolants, 294 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-12-09 15:01:42,036 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...