/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 -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_27-multiple-protecting2_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-29 19:50:04,478 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 19:50:04,530 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 [2023-11-29 19:50:04,559 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 19:50:04,560 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 19:50:04,560 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 19:50:04,561 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 19:50:04,561 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 19:50:04,562 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 19:50:04,564 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 19:50:04,565 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 19:50:04,565 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 19:50:04,565 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 19:50:04,566 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 19:50:04,566 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 19:50:04,566 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 19:50:04,566 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 19:50:04,567 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 19:50:04,567 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 19:50:04,567 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 19:50:04,567 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 19:50:04,568 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 19:50:04,568 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 19:50:04,568 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-29 19:50:04,568 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 19:50:04,568 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-29 19:50:04,568 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 19:50:04,569 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 19:50:04,569 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 19:50:04,569 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 19:50:04,569 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 19:50:04,570 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 19:50:04,570 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 19:50:04,570 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true [2023-11-29 19:50:04,750 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 19:50:04,766 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 19:50:04,768 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 19:50:04,768 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 19:50:04,769 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 19:50:04,769 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_27-multiple-protecting2_true.i [2023-11-29 19:50:05,679 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 19:50:05,853 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 19:50:05,854 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_27-multiple-protecting2_true.i [2023-11-29 19:50:05,864 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa8c17d18/d075663c7e3b4c65a096bbde667ba584/FLAGcc0a119a0 [2023-11-29 19:50:05,875 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa8c17d18/d075663c7e3b4c65a096bbde667ba584 [2023-11-29 19:50:05,877 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 19:50:05,877 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-29 19:50:05,878 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 19:50:05,878 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 19:50:05,881 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 19:50:05,881 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:50:05" (1/1) ... [2023-11-29 19:50:05,882 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4da24e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:50:05, skipping insertion in model container [2023-11-29 19:50:05,882 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:50:05" (1/1) ... [2023-11-29 19:50:05,928 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 19:50:06,018 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_27-multiple-protecting2_true.i[1097,1110] [2023-11-29 19:50:06,151 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 19:50:06,161 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 19:50:06,171 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_27-multiple-protecting2_true.i[1097,1110] [2023-11-29 19:50:06,200 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 19:50:06,231 INFO L206 MainTranslator]: Completed translation [2023-11-29 19:50:06,231 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:50:06 WrapperNode [2023-11-29 19:50:06,231 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 19:50:06,232 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 19:50:06,233 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 19:50:06,233 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 19:50:06,237 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:50:06" (1/1) ... [2023-11-29 19:50:06,258 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:50:06" (1/1) ... [2023-11-29 19:50:06,279 INFO L138 Inliner]: procedures = 164, calls = 64, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 121 [2023-11-29 19:50:06,280 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 19:50:06,280 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 19:50:06,280 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 19:50:06,280 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 19:50:06,286 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:50:06" (1/1) ... [2023-11-29 19:50:06,287 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:50:06" (1/1) ... [2023-11-29 19:50:06,296 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:50:06" (1/1) ... [2023-11-29 19:50:06,297 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:50:06" (1/1) ... [2023-11-29 19:50:06,304 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:50:06" (1/1) ... [2023-11-29 19:50:06,306 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:50:06" (1/1) ... [2023-11-29 19:50:06,307 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:50:06" (1/1) ... [2023-11-29 19:50:06,307 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:50:06" (1/1) ... [2023-11-29 19:50:06,309 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 19:50:06,310 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 19:50:06,310 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 19:50:06,310 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 19:50:06,310 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:50:06" (1/1) ... [2023-11-29 19:50:06,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-29 19:50:06,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-29 19:50:06,339 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) [2023-11-29 19:50:06,360 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 [2023-11-29 19:50:06,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-29 19:50:06,363 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2023-11-29 19:50:06,363 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2023-11-29 19:50:06,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 19:50:06,363 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-29 19:50:06,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 19:50:06,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 19:50:06,363 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-29 19:50:06,363 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-29 19:50:06,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 19:50:06,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 19:50:06,364 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-29 19:50:06,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 19:50:06,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 19:50:06,365 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-29 19:50:06,469 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 19:50:06,470 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 19:50:06,695 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 19:50:06,734 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 19:50:06,735 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 19:50:06,736 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:50:06 BoogieIcfgContainer [2023-11-29 19:50:06,739 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 19:50:06,740 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 19:50:06,740 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 19:50:06,742 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 19:50:06,743 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 07:50:05" (1/3) ... [2023-11-29 19:50:06,743 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44dcfd5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:50:06, skipping insertion in model container [2023-11-29 19:50:06,743 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:50:06" (2/3) ... [2023-11-29 19:50:06,743 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44dcfd5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:50:06, skipping insertion in model container [2023-11-29 19:50:06,744 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:50:06" (3/3) ... [2023-11-29 19:50:06,744 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_27-multiple-protecting2_true.i [2023-11-29 19:50:06,755 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 19:50:06,755 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-29 19:50:06,755 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 19:50:06,804 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-29 19:50:06,842 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 170 places, 167 transitions, 348 flow [2023-11-29 19:50:06,901 INFO L124 PetriNetUnfolderBase]: 4/165 cut-off events. [2023-11-29 19:50:06,901 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-29 19:50:06,906 INFO L83 FinitePrefix]: Finished finitePrefix Result has 174 conditions, 165 events. 4/165 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 154 event pairs, 0 based on Foata normal form. 0/157 useless extension candidates. Maximal degree in co-relation 117. Up to 2 conditions per place. [2023-11-29 19:50:06,906 INFO L82 GeneralOperation]: Start removeDead. Operand has 170 places, 167 transitions, 348 flow [2023-11-29 19:50:06,909 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 146 places, 142 transitions, 290 flow [2023-11-29 19:50:06,919 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 19:50:06,923 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;@5419ecbb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 19:50:06,923 INFO L363 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2023-11-29 19:50:06,947 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 19:50:06,947 INFO L124 PetriNetUnfolderBase]: 0/81 cut-off events. [2023-11-29 19:50:06,948 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 19:50:06,948 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-29 19:50:06,948 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 19:50:06,948 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 19:50:06,953 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 19:50:06,953 INFO L85 PathProgramCache]: Analyzing trace with hash 5728238, now seen corresponding path program 1 times [2023-11-29 19:50:06,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 19:50:06,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002318218] [2023-11-29 19:50:06,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 19:50:06,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 19:50:07,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 19:50:07,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 19:50:07,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 19:50:07,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002318218] [2023-11-29 19:50:07,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002318218] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 19:50:07,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 19:50:07,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 19:50:07,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419593874] [2023-11-29 19:50:07,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 19:50:07,363 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 19:50:07,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 19:50:07,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 19:50:07,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 19:50:07,387 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 167 [2023-11-29 19:50:07,392 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 142 transitions, 290 flow. Second operand has 5 states, 5 states have (on average 99.8) internal successors, (499), 5 states have internal predecessors, (499), 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) [2023-11-29 19:50:07,392 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 19:50:07,392 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 167 [2023-11-29 19:50:07,392 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 19:50:08,678 INFO L124 PetriNetUnfolderBase]: 5717/11335 cut-off events. [2023-11-29 19:50:08,679 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2023-11-29 19:50:08,696 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20417 conditions, 11335 events. 5717/11335 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 295. Compared 95915 event pairs, 1419 based on Foata normal form. 252/11360 useless extension candidates. Maximal degree in co-relation 20372. Up to 4586 conditions per place. [2023-11-29 19:50:08,737 INFO L140 encePairwiseOnDemand]: 145/167 looper letters, 139 selfloop transitions, 27 changer transitions 5/253 dead transitions. [2023-11-29 19:50:08,737 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 253 transitions, 857 flow [2023-11-29 19:50:08,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 19:50:08,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-11-29 19:50:08,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1063 transitions. [2023-11-29 19:50:08,753 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7072521623419827 [2023-11-29 19:50:08,753 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1063 transitions. [2023-11-29 19:50:08,754 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1063 transitions. [2023-11-29 19:50:08,756 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 19:50:08,757 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1063 transitions. [2023-11-29 19:50:08,762 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 118.11111111111111) internal successors, (1063), 9 states have internal predecessors, (1063), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 19:50:08,770 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 167.0) internal successors, (1670), 10 states have internal predecessors, (1670), 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) [2023-11-29 19:50:08,770 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 167.0) internal successors, (1670), 10 states have internal predecessors, (1670), 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) [2023-11-29 19:50:08,774 INFO L307 CegarLoopForPetriNet]: 146 programPoint places, 5 predicate places. [2023-11-29 19:50:08,774 INFO L500 AbstractCegarLoop]: Abstraction has has 151 places, 253 transitions, 857 flow [2023-11-29 19:50:08,775 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 99.8) internal successors, (499), 5 states have internal predecessors, (499), 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) [2023-11-29 19:50:08,775 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-29 19:50:08,775 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 19:50:08,775 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 19:50:08,775 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 19:50:08,776 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 19:50:08,776 INFO L85 PathProgramCache]: Analyzing trace with hash -126945274, now seen corresponding path program 1 times [2023-11-29 19:50:08,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 19:50:08,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162562072] [2023-11-29 19:50:08,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 19:50:08,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 19:50:08,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 19:50:09,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 19:50:09,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 19:50:09,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162562072] [2023-11-29 19:50:09,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162562072] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 19:50:09,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 19:50:09,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 19:50:09,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118276785] [2023-11-29 19:50:09,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 19:50:09,006 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 19:50:09,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 19:50:09,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 19:50:09,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 19:50:09,007 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 167 [2023-11-29 19:50:09,008 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 253 transitions, 857 flow. Second operand has 5 states, 5 states have (on average 122.6) internal successors, (613), 5 states have internal predecessors, (613), 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) [2023-11-29 19:50:09,008 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 19:50:09,008 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 167 [2023-11-29 19:50:09,008 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 19:50:09,426 INFO L124 PetriNetUnfolderBase]: 1715/4166 cut-off events. [2023-11-29 19:50:09,426 INFO L125 PetriNetUnfolderBase]: For 1579/1633 co-relation queries the response was YES. [2023-11-29 19:50:09,432 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9290 conditions, 4166 events. 1715/4166 cut-off events. For 1579/1633 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 32172 event pairs, 281 based on Foata normal form. 251/4353 useless extension candidates. Maximal degree in co-relation 9231. Up to 1663 conditions per place. [2023-11-29 19:50:09,443 INFO L140 encePairwiseOnDemand]: 160/167 looper letters, 112 selfloop transitions, 20 changer transitions 51/324 dead transitions. [2023-11-29 19:50:09,443 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 324 transitions, 1503 flow [2023-11-29 19:50:09,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 19:50:09,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-29 19:50:09,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 654 transitions. [2023-11-29 19:50:09,444 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7832335329341318 [2023-11-29 19:50:09,444 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 654 transitions. [2023-11-29 19:50:09,445 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 654 transitions. [2023-11-29 19:50:09,445 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 19:50:09,445 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 654 transitions. [2023-11-29 19:50:09,446 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 130.8) internal successors, (654), 5 states have internal predecessors, (654), 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) [2023-11-29 19:50:09,447 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 167.0) internal successors, (1002), 6 states have internal predecessors, (1002), 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) [2023-11-29 19:50:09,447 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 167.0) internal successors, (1002), 6 states have internal predecessors, (1002), 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) [2023-11-29 19:50:09,448 INFO L307 CegarLoopForPetriNet]: 146 programPoint places, 9 predicate places. [2023-11-29 19:50:09,448 INFO L500 AbstractCegarLoop]: Abstraction has has 155 places, 324 transitions, 1503 flow [2023-11-29 19:50:09,448 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 122.6) internal successors, (613), 5 states have internal predecessors, (613), 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) [2023-11-29 19:50:09,449 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-29 19:50:09,449 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 19:50:09,449 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 19:50:09,449 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 19:50:09,449 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 19:50:09,449 INFO L85 PathProgramCache]: Analyzing trace with hash 1705208485, now seen corresponding path program 1 times [2023-11-29 19:50:09,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 19:50:09,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896338284] [2023-11-29 19:50:09,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 19:50:09,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 19:50:09,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 19:50:09,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 19:50:09,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 19:50:09,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896338284] [2023-11-29 19:50:09,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896338284] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 19:50:09,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 19:50:09,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 19:50:09,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41488365] [2023-11-29 19:50:09,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 19:50:09,637 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 19:50:09,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 19:50:09,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 19:50:09,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 19:50:09,638 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 167 [2023-11-29 19:50:09,640 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 324 transitions, 1503 flow. Second operand has 8 states, 8 states have (on average 98.625) internal successors, (789), 8 states have internal predecessors, (789), 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) [2023-11-29 19:50:09,640 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 19:50:09,642 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 167 [2023-11-29 19:50:09,642 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 19:50:10,706 INFO L124 PetriNetUnfolderBase]: 2160/4964 cut-off events. [2023-11-29 19:50:10,706 INFO L125 PetriNetUnfolderBase]: For 2960/3130 co-relation queries the response was YES. [2023-11-29 19:50:10,713 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14947 conditions, 4964 events. 2160/4964 cut-off events. For 2960/3130 co-relation queries the response was YES. Maximal size of possible extension queue 158. Compared 39027 event pairs, 42 based on Foata normal form. 39/4949 useless extension candidates. Maximal degree in co-relation 14885. Up to 2091 conditions per place. [2023-11-29 19:50:10,729 INFO L140 encePairwiseOnDemand]: 143/167 looper letters, 351 selfloop transitions, 117 changer transitions 178/726 dead transitions. [2023-11-29 19:50:10,729 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 726 transitions, 4810 flow [2023-11-29 19:50:10,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-29 19:50:10,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2023-11-29 19:50:10,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 2939 transitions. [2023-11-29 19:50:10,734 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6768770152003685 [2023-11-29 19:50:10,734 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 2939 transitions. [2023-11-29 19:50:10,734 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 2939 transitions. [2023-11-29 19:50:10,735 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 19:50:10,735 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 2939 transitions. [2023-11-29 19:50:10,739 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 113.03846153846153) internal successors, (2939), 26 states have internal predecessors, (2939), 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) [2023-11-29 19:50:10,744 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 167.0) internal successors, (4509), 27 states have internal predecessors, (4509), 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) [2023-11-29 19:50:10,745 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 167.0) internal successors, (4509), 27 states have internal predecessors, (4509), 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) [2023-11-29 19:50:10,745 INFO L307 CegarLoopForPetriNet]: 146 programPoint places, 34 predicate places. [2023-11-29 19:50:10,745 INFO L500 AbstractCegarLoop]: Abstraction has has 180 places, 726 transitions, 4810 flow [2023-11-29 19:50:10,746 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 98.625) internal successors, (789), 8 states have internal predecessors, (789), 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) [2023-11-29 19:50:10,746 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-29 19:50:10,746 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 19:50:10,746 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 19:50:10,746 INFO L425 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 19:50:10,746 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 19:50:10,747 INFO L85 PathProgramCache]: Analyzing trace with hash -794771468, now seen corresponding path program 1 times [2023-11-29 19:50:10,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 19:50:10,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003296848] [2023-11-29 19:50:10,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 19:50:10,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 19:50:10,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 19:50:10,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 19:50:10,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 19:50:10,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003296848] [2023-11-29 19:50:10,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003296848] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 19:50:10,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 19:50:10,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 19:50:10,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258159677] [2023-11-29 19:50:10,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 19:50:10,833 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 19:50:10,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 19:50:10,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 19:50:10,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 19:50:10,834 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 167 [2023-11-29 19:50:10,835 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 180 places, 726 transitions, 4810 flow. Second operand has 5 states, 5 states have (on average 103.2) internal successors, (516), 5 states have internal predecessors, (516), 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) [2023-11-29 19:50:10,835 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 19:50:10,835 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 167 [2023-11-29 19:50:10,835 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 19:50:11,804 INFO L124 PetriNetUnfolderBase]: 3216/7214 cut-off events. [2023-11-29 19:50:11,804 INFO L125 PetriNetUnfolderBase]: For 9659/9854 co-relation queries the response was YES. [2023-11-29 19:50:11,815 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25231 conditions, 7214 events. 3216/7214 cut-off events. For 9659/9854 co-relation queries the response was YES. Maximal size of possible extension queue 195. Compared 56373 event pairs, 312 based on Foata normal form. 27/7154 useless extension candidates. Maximal degree in co-relation 25166. Up to 3369 conditions per place. [2023-11-29 19:50:11,838 INFO L140 encePairwiseOnDemand]: 155/167 looper letters, 507 selfloop transitions, 98 changer transitions 255/960 dead transitions. [2023-11-29 19:50:11,839 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 188 places, 960 transitions, 8108 flow [2023-11-29 19:50:11,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 19:50:11,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-11-29 19:50:11,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1029 transitions. [2023-11-29 19:50:11,841 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6846307385229541 [2023-11-29 19:50:11,841 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1029 transitions. [2023-11-29 19:50:11,841 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1029 transitions. [2023-11-29 19:50:11,841 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 19:50:11,841 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1029 transitions. [2023-11-29 19:50:11,843 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 114.33333333333333) internal successors, (1029), 9 states have internal predecessors, (1029), 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) [2023-11-29 19:50:11,844 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 167.0) internal successors, (1670), 10 states have internal predecessors, (1670), 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) [2023-11-29 19:50:11,845 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 167.0) internal successors, (1670), 10 states have internal predecessors, (1670), 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) [2023-11-29 19:50:11,845 INFO L307 CegarLoopForPetriNet]: 146 programPoint places, 42 predicate places. [2023-11-29 19:50:11,845 INFO L500 AbstractCegarLoop]: Abstraction has has 188 places, 960 transitions, 8108 flow [2023-11-29 19:50:11,845 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 103.2) internal successors, (516), 5 states have internal predecessors, (516), 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) [2023-11-29 19:50:11,846 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-29 19:50:11,846 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 19:50:11,846 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 19:50:11,846 INFO L425 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 19:50:11,846 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 19:50:11,846 INFO L85 PathProgramCache]: Analyzing trace with hash -673976931, now seen corresponding path program 1 times [2023-11-29 19:50:11,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 19:50:11,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442286877] [2023-11-29 19:50:11,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 19:50:11,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 19:50:11,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 19:50:11,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 19:50:11,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 19:50:11,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442286877] [2023-11-29 19:50:11,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442286877] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 19:50:11,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 19:50:11,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 19:50:11,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495854029] [2023-11-29 19:50:11,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 19:50:11,950 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 19:50:11,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 19:50:11,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 19:50:11,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 19:50:11,951 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 167 [2023-11-29 19:50:11,952 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 960 transitions, 8108 flow. Second operand has 5 states, 5 states have (on average 123.8) internal successors, (619), 5 states have internal predecessors, (619), 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) [2023-11-29 19:50:11,952 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 19:50:11,952 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 167 [2023-11-29 19:50:11,952 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 19:50:12,555 INFO L124 PetriNetUnfolderBase]: 1641/4650 cut-off events. [2023-11-29 19:50:12,555 INFO L125 PetriNetUnfolderBase]: For 11820/11890 co-relation queries the response was YES. [2023-11-29 19:50:12,561 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17744 conditions, 4650 events. 1641/4650 cut-off events. For 11820/11890 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 36370 event pairs, 113 based on Foata normal form. 592/5194 useless extension candidates. Maximal degree in co-relation 17665. Up to 2486 conditions per place. [2023-11-29 19:50:12,573 INFO L140 encePairwiseOnDemand]: 148/167 looper letters, 147 selfloop transitions, 157 changer transitions 177/833 dead transitions. [2023-11-29 19:50:12,574 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 833 transitions, 7931 flow [2023-11-29 19:50:12,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 19:50:12,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-29 19:50:12,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 654 transitions. [2023-11-29 19:50:12,575 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7832335329341318 [2023-11-29 19:50:12,575 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 654 transitions. [2023-11-29 19:50:12,575 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 654 transitions. [2023-11-29 19:50:12,575 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 19:50:12,575 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 654 transitions. [2023-11-29 19:50:12,576 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 130.8) internal successors, (654), 5 states have internal predecessors, (654), 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) [2023-11-29 19:50:12,577 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 167.0) internal successors, (1002), 6 states have internal predecessors, (1002), 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) [2023-11-29 19:50:12,578 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 167.0) internal successors, (1002), 6 states have internal predecessors, (1002), 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) [2023-11-29 19:50:12,578 INFO L307 CegarLoopForPetriNet]: 146 programPoint places, 44 predicate places. [2023-11-29 19:50:12,578 INFO L500 AbstractCegarLoop]: Abstraction has has 190 places, 833 transitions, 7931 flow [2023-11-29 19:50:12,578 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 123.8) internal successors, (619), 5 states have internal predecessors, (619), 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) [2023-11-29 19:50:12,578 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-29 19:50:12,579 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 19:50:12,579 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 19:50:12,579 INFO L425 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 19:50:12,579 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 19:50:12,579 INFO L85 PathProgramCache]: Analyzing trace with hash -134535745, now seen corresponding path program 2 times [2023-11-29 19:50:12,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 19:50:12,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223079369] [2023-11-29 19:50:12,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 19:50:12,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 19:50:12,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 19:50:12,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 19:50:12,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 19:50:12,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223079369] [2023-11-29 19:50:12,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223079369] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 19:50:12,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 19:50:12,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 19:50:12,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461629180] [2023-11-29 19:50:12,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 19:50:12,751 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 19:50:12,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 19:50:12,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 19:50:12,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-29 19:50:12,752 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 167 [2023-11-29 19:50:12,753 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 190 places, 833 transitions, 7931 flow. Second operand has 7 states, 7 states have (on average 117.28571428571429) internal successors, (821), 7 states have internal predecessors, (821), 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) [2023-11-29 19:50:12,753 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 19:50:12,753 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 167 [2023-11-29 19:50:12,753 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 19:50:12,967 INFO L124 PetriNetUnfolderBase]: 300/1405 cut-off events. [2023-11-29 19:50:12,967 INFO L125 PetriNetUnfolderBase]: For 4915/4956 co-relation queries the response was YES. [2023-11-29 19:50:12,969 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5683 conditions, 1405 events. 300/1405 cut-off events. For 4915/4956 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 8857 event pairs, 46 based on Foata normal form. 144/1539 useless extension candidates. Maximal degree in co-relation 5584. Up to 607 conditions per place. [2023-11-29 19:50:12,973 INFO L140 encePairwiseOnDemand]: 161/167 looper letters, 140 selfloop transitions, 20 changer transitions 109/388 dead transitions. [2023-11-29 19:50:12,973 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 388 transitions, 4065 flow [2023-11-29 19:50:12,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 19:50:12,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 19:50:12,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 729 transitions. [2023-11-29 19:50:12,974 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7275449101796407 [2023-11-29 19:50:12,974 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 729 transitions. [2023-11-29 19:50:12,975 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 729 transitions. [2023-11-29 19:50:12,975 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 19:50:12,975 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 729 transitions. [2023-11-29 19:50:12,976 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 121.5) internal successors, (729), 6 states have internal predecessors, (729), 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) [2023-11-29 19:50:12,977 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 167.0) internal successors, (1169), 7 states have internal predecessors, (1169), 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) [2023-11-29 19:50:12,978 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 167.0) internal successors, (1169), 7 states have internal predecessors, (1169), 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) [2023-11-29 19:50:12,978 INFO L307 CegarLoopForPetriNet]: 146 programPoint places, 26 predicate places. [2023-11-29 19:50:12,978 INFO L500 AbstractCegarLoop]: Abstraction has has 172 places, 388 transitions, 4065 flow [2023-11-29 19:50:12,979 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 117.28571428571429) internal successors, (821), 7 states have internal predecessors, (821), 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) [2023-11-29 19:50:12,979 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-29 19:50:12,979 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 19:50:12,979 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 19:50:12,979 INFO L425 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 19:50:12,979 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 19:50:12,979 INFO L85 PathProgramCache]: Analyzing trace with hash -649658440, now seen corresponding path program 1 times [2023-11-29 19:50:12,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 19:50:12,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542159880] [2023-11-29 19:50:12,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 19:50:12,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 19:50:12,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 19:50:13,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 19:50:13,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 19:50:13,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542159880] [2023-11-29 19:50:13,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542159880] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 19:50:13,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 19:50:13,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 19:50:13,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161080263] [2023-11-29 19:50:13,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 19:50:13,152 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 19:50:13,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 19:50:13,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 19:50:13,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-29 19:50:13,181 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 167 [2023-11-29 19:50:13,182 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 388 transitions, 4065 flow. Second operand has 8 states, 8 states have (on average 116.75) internal successors, (934), 8 states have internal predecessors, (934), 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) [2023-11-29 19:50:13,182 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 19:50:13,182 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 167 [2023-11-29 19:50:13,182 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 19:50:13,362 INFO L124 PetriNetUnfolderBase]: 128/854 cut-off events. [2023-11-29 19:50:13,362 INFO L125 PetriNetUnfolderBase]: For 4073/4113 co-relation queries the response was YES. [2023-11-29 19:50:13,363 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3690 conditions, 854 events. 128/854 cut-off events. For 4073/4113 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 4615 event pairs, 3 based on Foata normal form. 52/902 useless extension candidates. Maximal degree in co-relation 3571. Up to 319 conditions per place. [2023-11-29 19:50:13,366 INFO L140 encePairwiseOnDemand]: 160/167 looper letters, 129 selfloop transitions, 43 changer transitions 97/376 dead transitions. [2023-11-29 19:50:13,366 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 177 places, 376 transitions, 4345 flow [2023-11-29 19:50:13,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 19:50:13,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 19:50:13,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 732 transitions. [2023-11-29 19:50:13,367 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7305389221556886 [2023-11-29 19:50:13,368 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 732 transitions. [2023-11-29 19:50:13,368 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 732 transitions. [2023-11-29 19:50:13,368 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 19:50:13,368 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 732 transitions. [2023-11-29 19:50:13,369 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 122.0) internal successors, (732), 6 states have internal predecessors, (732), 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) [2023-11-29 19:50:13,370 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 167.0) internal successors, (1169), 7 states have internal predecessors, (1169), 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) [2023-11-29 19:50:13,370 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 167.0) internal successors, (1169), 7 states have internal predecessors, (1169), 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) [2023-11-29 19:50:13,371 INFO L307 CegarLoopForPetriNet]: 146 programPoint places, 31 predicate places. [2023-11-29 19:50:13,371 INFO L500 AbstractCegarLoop]: Abstraction has has 177 places, 376 transitions, 4345 flow [2023-11-29 19:50:13,371 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 116.75) internal successors, (934), 8 states have internal predecessors, (934), 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) [2023-11-29 19:50:13,371 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-29 19:50:13,372 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 19:50:13,372 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 19:50:13,372 INFO L425 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 19:50:13,372 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 19:50:13,372 INFO L85 PathProgramCache]: Analyzing trace with hash 1000117979, now seen corresponding path program 1 times [2023-11-29 19:50:13,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 19:50:13,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105538903] [2023-11-29 19:50:13,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 19:50:13,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 19:50:13,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 19:50:13,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 19:50:13,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 19:50:13,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105538903] [2023-11-29 19:50:13,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105538903] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 19:50:13,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 19:50:13,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 19:50:13,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355986242] [2023-11-29 19:50:13,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 19:50:13,515 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 19:50:13,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 19:50:13,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 19:50:13,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 19:50:13,517 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 167 [2023-11-29 19:50:13,517 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 177 places, 376 transitions, 4345 flow. Second operand has 8 states, 8 states have (on average 100.75) internal successors, (806), 8 states have internal predecessors, (806), 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) [2023-11-29 19:50:13,517 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 19:50:13,517 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 167 [2023-11-29 19:50:13,517 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 19:50:13,770 INFO L124 PetriNetUnfolderBase]: 136/851 cut-off events. [2023-11-29 19:50:13,770 INFO L125 PetriNetUnfolderBase]: For 4753/4813 co-relation queries the response was YES. [2023-11-29 19:50:13,771 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4288 conditions, 851 events. 136/851 cut-off events. For 4753/4813 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 4604 event pairs, 2 based on Foata normal form. 0/851 useless extension candidates. Maximal degree in co-relation 4166. Up to 371 conditions per place. [2023-11-29 19:50:13,773 INFO L140 encePairwiseOnDemand]: 151/167 looper letters, 0 selfloop transitions, 0 changer transitions 425/425 dead transitions. [2023-11-29 19:50:13,773 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 425 transitions, 5713 flow [2023-11-29 19:50:13,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 19:50:13,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-11-29 19:50:13,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1238 transitions. [2023-11-29 19:50:13,775 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6177644710578842 [2023-11-29 19:50:13,775 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1238 transitions. [2023-11-29 19:50:13,775 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1238 transitions. [2023-11-29 19:50:13,776 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 19:50:13,776 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1238 transitions. [2023-11-29 19:50:13,778 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 103.16666666666667) internal successors, (1238), 12 states have internal predecessors, (1238), 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) [2023-11-29 19:50:13,779 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 167.0) internal successors, (2171), 13 states have internal predecessors, (2171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 19:50:13,780 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 167.0) internal successors, (2171), 13 states have internal predecessors, (2171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 19:50:13,780 INFO L307 CegarLoopForPetriNet]: 146 programPoint places, 40 predicate places. [2023-11-29 19:50:13,780 INFO L500 AbstractCegarLoop]: Abstraction has has 186 places, 425 transitions, 5713 flow [2023-11-29 19:50:13,781 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 100.75) internal successors, (806), 8 states have internal predecessors, (806), 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) [2023-11-29 19:50:13,785 INFO L143 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/13-privatized_27-multiple-protecting2_true.i_BEv2_AllErrorsAtOnce [2023-11-29 19:50:13,822 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2023-11-29 19:50:13,823 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2023-11-29 19:50:13,823 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (3 of 6 remaining) [2023-11-29 19:50:13,823 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (2 of 6 remaining) [2023-11-29 19:50:13,823 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2023-11-29 19:50:13,824 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 6 remaining) [2023-11-29 19:50:13,824 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 19:50:13,825 INFO L457 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1] [2023-11-29 19:50:13,830 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-29 19:50:13,830 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 19:50:13,837 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 07:50:13 BasicIcfg [2023-11-29 19:50:13,837 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 19:50:13,837 INFO L158 Benchmark]: Toolchain (without parser) took 7960.08ms. Allocated memory was 543.2MB in the beginning and 1.2GB in the end (delta: 681.6MB). Free memory was 496.2MB in the beginning and 794.1MB in the end (delta: -297.9MB). Peak memory consumption was 384.7MB. Max. memory is 16.0GB. [2023-11-29 19:50:13,838 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 362.8MB. Free memory was 311.8MB in the beginning and 311.6MB in the end (delta: 161.3kB). There was no memory consumed. Max. memory is 16.0GB. [2023-11-29 19:50:13,838 INFO L158 Benchmark]: CACSL2BoogieTranslator took 353.49ms. Allocated memory is still 543.2MB. Free memory was 495.9MB in the beginning and 475.4MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.0GB. [2023-11-29 19:50:13,839 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.39ms. Allocated memory is still 543.2MB. Free memory was 475.4MB in the beginning and 473.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-29 19:50:13,839 INFO L158 Benchmark]: Boogie Preprocessor took 28.84ms. Allocated memory is still 543.2MB. Free memory was 473.0MB in the beginning and 471.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-29 19:50:13,839 INFO L158 Benchmark]: RCFGBuilder took 429.29ms. Allocated memory is still 543.2MB. Free memory was 471.4MB in the beginning and 502.1MB in the end (delta: -30.8MB). Peak memory consumption was 24.7MB. Max. memory is 16.0GB. [2023-11-29 19:50:13,839 INFO L158 Benchmark]: TraceAbstraction took 7096.75ms. Allocated memory was 543.2MB in the beginning and 1.2GB in the end (delta: 681.6MB). Free memory was 501.8MB in the beginning and 794.1MB in the end (delta: -292.3MB). Peak memory consumption was 389.3MB. Max. memory is 16.0GB. [2023-11-29 19:50:13,840 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 362.8MB. Free memory was 311.8MB in the beginning and 311.6MB in the end (delta: 161.3kB). There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 353.49ms. Allocated memory is still 543.2MB. Free memory was 495.9MB in the beginning and 475.4MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 47.39ms. Allocated memory is still 543.2MB. Free memory was 475.4MB in the beginning and 473.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 28.84ms. Allocated memory is still 543.2MB. Free memory was 473.0MB in the beginning and 471.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 429.29ms. Allocated memory is still 543.2MB. Free memory was 471.4MB in the beginning and 502.1MB in the end (delta: -30.8MB). Peak memory consumption was 24.7MB. Max. memory is 16.0GB. * TraceAbstraction took 7096.75ms. Allocated memory was 543.2MB in the beginning and 1.2GB in the end (delta: 681.6MB). Free memory was 501.8MB in the beginning and 794.1MB in the end (delta: -292.3MB). Peak memory consumption was 389.3MB. Max. memory is 16.0GB. * 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 - 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 - 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 - 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 5 procedures, 210 locations, 6 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: 7.0s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 5.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 929 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 929 mSDsluCounter, 841 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 616 mSDsCounter, 130 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2333 IncrementalHoareTripleChecker+Invalid, 2463 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 130 mSolverCounterUnsat, 225 mSDtfsCounter, 2333 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 108 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 244 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8108occurred in iteration=4, InterpolantAutomatonStates: 78, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 600 NumberOfCodeBlocks, 600 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 592 ConstructedInterpolants, 0 QuantifiedInterpolants, 2369 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-29 19:50:13,857 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...