/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/weaver/chl-match-trans.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-a20a710-m [2023-12-09 15:10:06,764 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-09 15:10:06,843 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 15:10:06,880 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-09 15:10:06,881 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-09 15:10:06,881 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-09 15:10:06,882 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-09 15:10:06,882 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-09 15:10:06,883 INFO L153 SettingsManager]: * Use SBE=true [2023-12-09 15:10:06,886 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-09 15:10:06,887 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-09 15:10:06,887 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-09 15:10:06,888 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-09 15:10:06,889 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-09 15:10:06,889 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-09 15:10:06,889 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-09 15:10:06,889 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-09 15:10:06,890 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-09 15:10:06,890 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-09 15:10:06,890 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-09 15:10:06,890 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-09 15:10:06,891 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-09 15:10:06,891 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-09 15:10:06,891 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-12-09 15:10:06,892 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-09 15:10:06,892 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-09 15:10:06,892 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-09 15:10:06,892 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-09 15:10:06,893 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-09 15:10:06,893 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-09 15:10:06,894 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-09 15:10:06,894 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-09 15:10:06,894 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-09 15:10:06,894 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true [2023-12-09 15:10:07,155 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-09 15:10:07,179 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-09 15:10:07,181 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-09 15:10:07,182 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-09 15:10:07,183 INFO L274 PluginConnector]: CDTParser initialized [2023-12-09 15:10:07,184 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-match-trans.wvr.c [2023-12-09 15:10:08,336 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-09 15:10:08,496 INFO L384 CDTParser]: Found 1 translation units. [2023-12-09 15:10:08,497 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-match-trans.wvr.c [2023-12-09 15:10:08,503 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0665bbb3a/c0a05eecb9224633b31762cec3b86298/FLAG1f065ad6a [2023-12-09 15:10:08,515 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0665bbb3a/c0a05eecb9224633b31762cec3b86298 [2023-12-09 15:10:08,517 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-09 15:10:08,519 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-09 15:10:08,519 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-09 15:10:08,520 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-09 15:10:08,523 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-09 15:10:08,524 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:10:08" (1/1) ... [2023-12-09 15:10:08,525 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cf897f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:10:08, skipping insertion in model container [2023-12-09 15:10:08,525 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:10:08" (1/1) ... [2023-12-09 15:10:08,544 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-09 15:10:08,679 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-match-trans.wvr.c[2993,3006] [2023-12-09 15:10:08,685 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-09 15:10:08,694 INFO L202 MainTranslator]: Completed pre-run [2023-12-09 15:10:08,715 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-match-trans.wvr.c[2993,3006] [2023-12-09 15:10:08,721 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-09 15:10:08,733 INFO L206 MainTranslator]: Completed translation [2023-12-09 15:10:08,734 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:10:08 WrapperNode [2023-12-09 15:10:08,734 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-09 15:10:08,735 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-09 15:10:08,735 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-09 15:10:08,735 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-09 15:10:08,740 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:10:08" (1/1) ... [2023-12-09 15:10:08,746 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:10:08" (1/1) ... [2023-12-09 15:10:08,771 INFO L138 Inliner]: procedures = 23, calls = 33, calls flagged for inlining = 11, calls inlined = 21, statements flattened = 213 [2023-12-09 15:10:08,772 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-09 15:10:08,773 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-09 15:10:08,773 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-09 15:10:08,773 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-09 15:10:08,781 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:10:08" (1/1) ... [2023-12-09 15:10:08,781 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:10:08" (1/1) ... [2023-12-09 15:10:08,784 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:10:08" (1/1) ... [2023-12-09 15:10:08,784 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:10:08" (1/1) ... [2023-12-09 15:10:08,798 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:10:08" (1/1) ... [2023-12-09 15:10:08,800 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:10:08" (1/1) ... [2023-12-09 15:10:08,801 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:10:08" (1/1) ... [2023-12-09 15:10:08,802 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:10:08" (1/1) ... [2023-12-09 15:10:08,805 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-09 15:10:08,806 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-09 15:10:08,806 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-09 15:10:08,806 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-09 15:10:08,807 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:10:08" (1/1) ... [2023-12-09 15:10:08,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-09 15:10:08,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-09 15:10:08,843 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 15:10:08,872 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 15:10:08,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-09 15:10:08,879 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-09 15:10:08,879 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-09 15:10:08,879 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-09 15:10:08,879 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-09 15:10:08,880 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-12-09 15:10:08,880 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-12-09 15:10:08,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-09 15:10:08,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-09 15:10:08,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-09 15:10:08,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-09 15:10:08,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-09 15:10:08,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-09 15:10:08,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-09 15:10:08,882 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 15:10:09,024 INFO L241 CfgBuilder]: Building ICFG [2023-12-09 15:10:09,027 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-09 15:10:09,392 INFO L282 CfgBuilder]: Performing block encoding [2023-12-09 15:10:09,406 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-09 15:10:09,406 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-09 15:10:09,407 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:10:09 BoogieIcfgContainer [2023-12-09 15:10:09,407 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-09 15:10:09,409 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-09 15:10:09,409 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-09 15:10:09,412 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-09 15:10:09,412 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 03:10:08" (1/3) ... [2023-12-09 15:10:09,413 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d7eb985 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 03:10:09, skipping insertion in model container [2023-12-09 15:10:09,413 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:10:08" (2/3) ... [2023-12-09 15:10:09,413 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d7eb985 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 03:10:09, skipping insertion in model container [2023-12-09 15:10:09,413 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:10:09" (3/3) ... [2023-12-09 15:10:09,414 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-match-trans.wvr.c [2023-12-09 15:10:09,445 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-09 15:10:09,445 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-09 15:10:09,446 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-12-09 15:10:09,581 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-12-09 15:10:09,619 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 286 places, 289 transitions, 599 flow [2023-12-09 15:10:09,759 INFO L124 PetriNetUnfolderBase]: 13/286 cut-off events. [2023-12-09 15:10:09,759 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-12-09 15:10:09,769 INFO L83 FinitePrefix]: Finished finitePrefix Result has 299 conditions, 286 events. 13/286 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 413 event pairs, 0 based on Foata normal form. 0/272 useless extension candidates. Maximal degree in co-relation 199. Up to 2 conditions per place. [2023-12-09 15:10:09,770 INFO L82 GeneralOperation]: Start removeDead. Operand has 286 places, 289 transitions, 599 flow [2023-12-09 15:10:09,782 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 272 places, 275 transitions, 568 flow [2023-12-09 15:10:09,794 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-09 15:10:09,799 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;@68355b4b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-09 15:10:09,799 INFO L363 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-12-09 15:10:09,862 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-12-09 15:10:09,862 INFO L124 PetriNetUnfolderBase]: 13/274 cut-off events. [2023-12-09 15:10:09,862 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-12-09 15:10:09,863 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-09 15:10:09,864 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:10:09,865 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-12-09 15:10:09,871 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-09 15:10:09,871 INFO L85 PathProgramCache]: Analyzing trace with hash -1652960635, now seen corresponding path program 1 times [2023-12-09 15:10:09,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-09 15:10:09,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338013802] [2023-12-09 15:10:09,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-09 15:10:09,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-09 15:10:10,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-09 15:10:14,313 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 15:10:14,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-09 15:10:14,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338013802] [2023-12-09 15:10:14,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338013802] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-09 15:10:14,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-09 15:10:14,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [43] imperfect sequences [] total 43 [2023-12-09 15:10:14,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031863300] [2023-12-09 15:10:14,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-09 15:10:14,325 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2023-12-09 15:10:14,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-09 15:10:14,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2023-12-09 15:10:14,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=1723, Unknown=0, NotChecked=0, Total=1806 [2023-12-09 15:10:14,377 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 289 [2023-12-09 15:10:14,388 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 272 places, 275 transitions, 568 flow. Second operand has 43 states, 43 states have (on average 156.7906976744186) internal successors, (6742), 43 states have internal predecessors, (6742), 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 15:10:14,388 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-09 15:10:14,388 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 289 [2023-12-09 15:10:14,389 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-09 15:10:39,727 INFO L124 PetriNetUnfolderBase]: 55706/112190 cut-off events. [2023-12-09 15:10:39,728 INFO L125 PetriNetUnfolderBase]: For 3913/3913 co-relation queries the response was YES. [2023-12-09 15:10:40,178 INFO L83 FinitePrefix]: Finished finitePrefix Result has 200619 conditions, 112190 events. 55706/112190 cut-off events. For 3913/3913 co-relation queries the response was YES. Maximal size of possible extension queue 1474. Compared 1156588 event pairs, 2639 based on Foata normal form. 11401/119221 useless extension candidates. Maximal degree in co-relation 200082. Up to 8193 conditions per place. [2023-12-09 15:10:40,750 INFO L140 encePairwiseOnDemand]: 210/289 looper letters, 1894 selfloop transitions, 42 changer transitions 57/2134 dead transitions. [2023-12-09 15:10:40,751 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 338 places, 2134 transitions, 8467 flow [2023-12-09 15:10:40,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-12-09 15:10:40,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2023-12-09 15:10:40,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 12575 transitions. [2023-12-09 15:10:40,791 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.6494344884573672 [2023-12-09 15:10:40,792 INFO L72 ComplementDD]: Start complementDD. Operand 67 states and 12575 transitions. [2023-12-09 15:10:40,793 INFO L73 IsDeterministic]: Start isDeterministic. Operand 67 states and 12575 transitions. [2023-12-09 15:10:40,802 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-09 15:10:40,804 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 67 states and 12575 transitions. [2023-12-09 15:10:40,841 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 68 states, 67 states have (on average 187.6865671641791) internal successors, (12575), 67 states have internal predecessors, (12575), 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 15:10:40,882 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 68 states, 68 states have (on average 289.0) internal successors, (19652), 68 states have internal predecessors, (19652), 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 15:10:40,889 INFO L81 ComplementDD]: Finished complementDD. Result has 68 states, 68 states have (on average 289.0) internal successors, (19652), 68 states have internal predecessors, (19652), 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 15:10:40,893 INFO L308 CegarLoopForPetriNet]: 272 programPoint places, 66 predicate places. [2023-12-09 15:10:40,894 INFO L500 AbstractCegarLoop]: Abstraction has has 338 places, 2134 transitions, 8467 flow [2023-12-09 15:10:40,897 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 156.7906976744186) internal successors, (6742), 43 states have internal predecessors, (6742), 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 15:10:40,897 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-09 15:10:40,898 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:10:40,898 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-09 15:10:40,898 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-12-09 15:10:40,899 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-09 15:10:40,899 INFO L85 PathProgramCache]: Analyzing trace with hash -1997695761, now seen corresponding path program 2 times [2023-12-09 15:10:40,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-09 15:10:40,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367776749] [2023-12-09 15:10:40,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-09 15:10:40,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-09 15:10:40,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-09 15:10:43,932 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 15:10:43,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-09 15:10:43,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367776749] [2023-12-09 15:10:43,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367776749] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-09 15:10:43,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-09 15:10:43,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [43] imperfect sequences [] total 43 [2023-12-09 15:10:43,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034636528] [2023-12-09 15:10:43,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-09 15:10:43,935 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2023-12-09 15:10:43,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-09 15:10:43,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2023-12-09 15:10:43,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=1723, Unknown=0, NotChecked=0, Total=1806 [2023-12-09 15:10:43,942 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 289 [2023-12-09 15:10:43,947 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 338 places, 2134 transitions, 8467 flow. Second operand has 43 states, 43 states have (on average 156.7906976744186) internal successors, (6742), 43 states have internal predecessors, (6742), 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 15:10:43,947 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-09 15:10:43,947 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 289 [2023-12-09 15:10:43,947 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-09 15:11:25,937 INFO L124 PetriNetUnfolderBase]: 113027/220092 cut-off events. [2023-12-09 15:11:25,937 INFO L125 PetriNetUnfolderBase]: For 23291/29425 co-relation queries the response was YES. [2023-12-09 15:11:26,442 INFO L83 FinitePrefix]: Finished finitePrefix Result has 575747 conditions, 220092 events. 113027/220092 cut-off events. For 23291/29425 co-relation queries the response was YES. Maximal size of possible extension queue 2835. Compared 2378925 event pairs, 1430 based on Foata normal form. 14/213677 useless extension candidates. Maximal degree in co-relation 573491. Up to 45150 conditions per place. [2023-12-09 15:11:27,520 INFO L140 encePairwiseOnDemand]: 222/289 looper letters, 16339 selfloop transitions, 4396 changer transitions 143/21019 dead transitions. [2023-12-09 15:11:27,521 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 471 places, 21019 transitions, 128085 flow [2023-12-09 15:11:27,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2023-12-09 15:11:27,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2023-12-09 15:11:27,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 24659 transitions. [2023-12-09 15:11:27,555 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.6367556680266487 [2023-12-09 15:11:27,555 INFO L72 ComplementDD]: Start complementDD. Operand 134 states and 24659 transitions. [2023-12-09 15:11:27,555 INFO L73 IsDeterministic]: Start isDeterministic. Operand 134 states and 24659 transitions. [2023-12-09 15:11:27,568 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-09 15:11:27,572 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 134 states and 24659 transitions. [2023-12-09 15:11:27,743 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 135 states, 134 states have (on average 184.02238805970148) internal successors, (24659), 134 states have internal predecessors, (24659), 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 15:11:27,794 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 135 states, 135 states have (on average 289.0) internal successors, (39015), 135 states have internal predecessors, (39015), 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 15:11:27,810 INFO L81 ComplementDD]: Finished complementDD. Result has 135 states, 135 states have (on average 289.0) internal successors, (39015), 135 states have internal predecessors, (39015), 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 15:11:27,810 INFO L308 CegarLoopForPetriNet]: 272 programPoint places, 199 predicate places. [2023-12-09 15:11:27,811 INFO L500 AbstractCegarLoop]: Abstraction has has 471 places, 21019 transitions, 128085 flow [2023-12-09 15:11:27,813 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 156.7906976744186) internal successors, (6742), 43 states have internal predecessors, (6742), 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 15:11:27,813 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-09 15:11:27,813 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:11:27,814 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-09 15:11:27,814 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-12-09 15:11:27,814 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-09 15:11:27,814 INFO L85 PathProgramCache]: Analyzing trace with hash 1047104047, now seen corresponding path program 3 times [2023-12-09 15:11:27,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-09 15:11:27,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998315203] [2023-12-09 15:11:27,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-09 15:11:27,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-09 15:11:27,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-09 15:11:30,447 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 15:11:30,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-09 15:11:30,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998315203] [2023-12-09 15:11:30,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998315203] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-09 15:11:30,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-09 15:11:30,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [43] imperfect sequences [] total 43 [2023-12-09 15:11:30,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132074948] [2023-12-09 15:11:30,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-09 15:11:30,449 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2023-12-09 15:11:30,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-09 15:11:30,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2023-12-09 15:11:30,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=1723, Unknown=0, NotChecked=0, Total=1806 [2023-12-09 15:11:30,456 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 289 [2023-12-09 15:11:30,500 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 471 places, 21019 transitions, 128085 flow. Second operand has 43 states, 43 states have (on average 156.7906976744186) internal successors, (6742), 43 states have internal predecessors, (6742), 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 15:11:30,500 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-09 15:11:30,500 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 289 [2023-12-09 15:11:30,500 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand Received shutdown request... [2023-12-09 15:13:40,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2023-12-09 15:13:40,036 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2023-12-09 15:13:40,036 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-09 15:13:40,037 WARN L624 AbstractCegarLoop]: Verification canceled: while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∧-10-3-2-3-1 term,while PolyPacSimplificationTermWalker was simplifying a ∨-4-2-1 term,while PolyPacSimplificationTermWalker was simplifying 4 xjuncts wrt. a ∧-9-4-2-3-1 context. [2023-12-09 15:13:40,038 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-12-09 15:13:40,038 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-12-09 15:13:40,038 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-12-09 15:13:40,039 INFO L457 BasicCegarLoop]: Path program histogram: [3] [2023-12-09 15:13:40,043 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-12-09 15:13:40,043 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-12-09 15:13:40,047 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-09 15:13:40,055 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 03:13:40 BasicIcfg [2023-12-09 15:13:40,055 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-09 15:13:40,056 INFO L158 Benchmark]: Toolchain (without parser) took 211537.21ms. Allocated memory was 181.4MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 137.3MB in the beginning and 4.4GB in the end (delta: -4.3GB). Peak memory consumption was 3.5GB. Max. memory is 8.0GB. [2023-12-09 15:13:40,056 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 181.4MB. Free memory is still 138.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-09 15:13:40,056 INFO L158 Benchmark]: CACSL2BoogieTranslator took 214.89ms. Allocated memory is still 181.4MB. Free memory was 136.9MB in the beginning and 125.1MB in the end (delta: 11.9MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-12-09 15:13:40,057 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.04ms. Allocated memory is still 181.4MB. Free memory was 125.1MB in the beginning and 122.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-09 15:13:40,057 INFO L158 Benchmark]: Boogie Preprocessor took 32.84ms. Allocated memory is still 181.4MB. Free memory was 122.7MB in the beginning and 120.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-09 15:13:40,058 INFO L158 Benchmark]: RCFGBuilder took 601.43ms. Allocated memory is still 181.4MB. Free memory was 120.9MB in the beginning and 98.5MB in the end (delta: 22.3MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. [2023-12-09 15:13:40,058 INFO L158 Benchmark]: TraceAbstraction took 210645.92ms. Allocated memory was 181.4MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 97.8MB in the beginning and 4.4GB in the end (delta: -4.3GB). Peak memory consumption was 3.5GB. Max. memory is 8.0GB. [2023-12-09 15:13:40,060 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 181.4MB. Free memory is still 138.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 214.89ms. Allocated memory is still 181.4MB. Free memory was 136.9MB in the beginning and 125.1MB in the end (delta: 11.9MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 37.04ms. Allocated memory is still 181.4MB. Free memory was 125.1MB in the beginning and 122.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 32.84ms. Allocated memory is still 181.4MB. Free memory was 122.7MB in the beginning and 120.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 601.43ms. Allocated memory is still 181.4MB. Free memory was 120.9MB in the beginning and 98.5MB in the end (delta: 22.3MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. * TraceAbstraction took 210645.92ms. Allocated memory was 181.4MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 97.8MB in the beginning and 4.4GB in the end (delta: -4.3GB). Peak memory consumption was 3.5GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 88]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∧-10-3-2-3-1 term,while PolyPacSimplificationTermWalker was simplifying a ∨-4-2-1 term,while PolyPacSimplificationTermWalker was simplifying 4 xjuncts wrt. a ∧-9-4-2-3-1 context. - TimeoutResultAtElement [Line: 82]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∧-10-3-2-3-1 term,while PolyPacSimplificationTermWalker was simplifying a ∨-4-2-1 term,while PolyPacSimplificationTermWalker was simplifying 4 xjuncts wrt. a ∧-9-4-2-3-1 context. - TimeoutResultAtElement [Line: 80]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∧-10-3-2-3-1 term,while PolyPacSimplificationTermWalker was simplifying a ∨-4-2-1 term,while PolyPacSimplificationTermWalker was simplifying 4 xjuncts wrt. a ∧-9-4-2-3-1 context. - TimeoutResultAtElement [Line: 81]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∧-10-3-2-3-1 term,while PolyPacSimplificationTermWalker was simplifying a ∨-4-2-1 term,while PolyPacSimplificationTermWalker was simplifying 4 xjuncts wrt. a ∧-9-4-2-3-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 451 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 210.4s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 200.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10524 SdHoareTripleChecker+Valid, 20.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10524 mSDsluCounter, 117497 SdHoareTripleChecker+Invalid, 17.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 114022 mSDsCounter, 47 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 38638 IncrementalHoareTripleChecker+Invalid, 38685 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 47 mSolverCounterUnsat, 3475 mSDtfsCounter, 38638 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 610 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 416 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14396 ImplicationChecksByTransitivity, 23.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=128085occurred in iteration=2, InterpolantAutomatonStates: 201, 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, 0.3s SatisfiabilityAnalysisTime, 9.7s InterpolantComputationTime, 747 NumberOfCodeBlocks, 747 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 744 ConstructedInterpolants, 0 QuantifiedInterpolants, 8721 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown