/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/pthread/fib_safe-10.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-a20a710-m [2023-12-09 14:47:06,751 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-09 14:47:06,820 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 14:47:06,846 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-09 14:47:06,847 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-09 14:47:06,847 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-09 14:47:06,848 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-09 14:47:06,848 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-09 14:47:06,848 INFO L153 SettingsManager]: * Use SBE=true [2023-12-09 14:47:06,851 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-09 14:47:06,851 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-09 14:47:06,852 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-09 14:47:06,852 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-09 14:47:06,853 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-09 14:47:06,853 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-09 14:47:06,853 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-09 14:47:06,853 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-09 14:47:06,853 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-09 14:47:06,854 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-09 14:47:06,854 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-09 14:47:06,854 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-09 14:47:06,855 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-09 14:47:06,855 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-09 14:47:06,855 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-12-09 14:47:06,855 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-09 14:47:06,855 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-09 14:47:06,855 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-09 14:47:06,856 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-09 14:47:06,856 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-09 14:47:06,856 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-09 14:47:06,857 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-09 14:47:06,857 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-09 14:47:06,857 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-09 14:47:06,857 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true [2023-12-09 14:47:07,058 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-09 14:47:07,077 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-09 14:47:07,079 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-09 14:47:07,080 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-09 14:47:07,080 INFO L274 PluginConnector]: CDTParser initialized [2023-12-09 14:47:07,081 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/fib_safe-10.i [2023-12-09 14:47:08,195 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-09 14:47:08,382 INFO L384 CDTParser]: Found 1 translation units. [2023-12-09 14:47:08,383 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_safe-10.i [2023-12-09 14:47:08,391 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/093145d26/0bc9a3fbde87492497d32cb6ec41ab13/FLAGf8f334115 [2023-12-09 14:47:08,401 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/093145d26/0bc9a3fbde87492497d32cb6ec41ab13 [2023-12-09 14:47:08,402 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-09 14:47:08,403 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-09 14:47:08,406 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-09 14:47:08,406 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-09 14:47:08,409 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-09 14:47:08,410 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 02:47:08" (1/1) ... [2023-12-09 14:47:08,411 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30cdb535 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:47:08, skipping insertion in model container [2023-12-09 14:47:08,411 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 02:47:08" (1/1) ... [2023-12-09 14:47:08,445 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-09 14:47:08,650 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_safe-10.i[30241,30254] [2023-12-09 14:47:08,667 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-09 14:47:08,675 INFO L202 MainTranslator]: Completed pre-run [2023-12-09 14:47:08,706 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_safe-10.i[30241,30254] [2023-12-09 14:47:08,719 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-09 14:47:08,740 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-09 14:47:08,741 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-09 14:47:08,745 INFO L206 MainTranslator]: Completed translation [2023-12-09 14:47:08,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:47:08 WrapperNode [2023-12-09 14:47:08,746 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-09 14:47:08,747 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-09 14:47:08,747 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-09 14:47:08,747 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-09 14:47:08,752 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:47:08" (1/1) ... [2023-12-09 14:47:08,774 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:47:08" (1/1) ... [2023-12-09 14:47:08,793 INFO L138 Inliner]: procedures = 165, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2023-12-09 14:47:08,794 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-09 14:47:08,794 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-09 14:47:08,794 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-09 14:47:08,794 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-09 14:47:08,800 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:47:08" (1/1) ... [2023-12-09 14:47:08,801 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:47:08" (1/1) ... [2023-12-09 14:47:08,806 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:47:08" (1/1) ... [2023-12-09 14:47:08,806 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:47:08" (1/1) ... [2023-12-09 14:47:08,820 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:47:08" (1/1) ... [2023-12-09 14:47:08,822 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:47:08" (1/1) ... [2023-12-09 14:47:08,823 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:47:08" (1/1) ... [2023-12-09 14:47:08,824 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:47:08" (1/1) ... [2023-12-09 14:47:08,825 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-09 14:47:08,826 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-09 14:47:08,826 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-09 14:47:08,826 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-09 14:47:08,827 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:47:08" (1/1) ... [2023-12-09 14:47:08,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-09 14:47:08,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-09 14:47:08,857 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 14:47:08,878 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 14:47:08,884 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-12-09 14:47:08,884 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-12-09 14:47:08,884 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-12-09 14:47:08,884 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-12-09 14:47:08,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-09 14:47:08,885 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-09 14:47:08,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-09 14:47:08,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-09 14:47:08,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-09 14:47:08,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-09 14:47:08,885 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-09 14:47:08,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-09 14:47:08,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-09 14:47:08,887 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 14:47:09,000 INFO L241 CfgBuilder]: Building ICFG [2023-12-09 14:47:09,001 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-09 14:47:09,146 INFO L282 CfgBuilder]: Performing block encoding [2023-12-09 14:47:09,155 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-09 14:47:09,155 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-12-09 14:47:09,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:47:09 BoogieIcfgContainer [2023-12-09 14:47:09,156 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-09 14:47:09,158 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-09 14:47:09,158 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-09 14:47:09,160 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-09 14:47:09,160 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 02:47:08" (1/3) ... [2023-12-09 14:47:09,161 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@371f2735 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 02:47:09, skipping insertion in model container [2023-12-09 14:47:09,161 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:47:08" (2/3) ... [2023-12-09 14:47:09,161 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@371f2735 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 02:47:09, skipping insertion in model container [2023-12-09 14:47:09,161 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:47:09" (3/3) ... [2023-12-09 14:47:09,162 INFO L112 eAbstractionObserver]: Analyzing ICFG fib_safe-10.i [2023-12-09 14:47:09,173 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-09 14:47:09,173 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-09 14:47:09,173 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-12-09 14:47:09,225 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-12-09 14:47:09,248 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 96 places, 96 transitions, 200 flow [2023-12-09 14:47:09,279 INFO L124 PetriNetUnfolderBase]: 7/94 cut-off events. [2023-12-09 14:47:09,279 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-12-09 14:47:09,284 INFO L83 FinitePrefix]: Finished finitePrefix Result has 101 conditions, 94 events. 7/94 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 74 event pairs, 0 based on Foata normal form. 0/86 useless extension candidates. Maximal degree in co-relation 70. Up to 2 conditions per place. [2023-12-09 14:47:09,285 INFO L82 GeneralOperation]: Start removeDead. Operand has 96 places, 96 transitions, 200 flow [2023-12-09 14:47:09,288 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 94 places, 94 transitions, 194 flow [2023-12-09 14:47:09,295 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-09 14:47:09,299 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;@6f95d736, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-09 14:47:09,300 INFO L363 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-12-09 14:47:09,315 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-12-09 14:47:09,315 INFO L124 PetriNetUnfolderBase]: 6/80 cut-off events. [2023-12-09 14:47:09,315 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-12-09 14:47:09,315 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-09 14:47:09,317 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] [2023-12-09 14:47:09,317 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-12-09 14:47:09,320 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-09 14:47:09,321 INFO L85 PathProgramCache]: Analyzing trace with hash 721324376, now seen corresponding path program 1 times [2023-12-09 14:47:09,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-09 14:47:09,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341204346] [2023-12-09 14:47:09,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-09 14:47:09,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-09 14:47:09,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-09 14:47:09,560 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 14:47:09,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-09 14:47:09,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341204346] [2023-12-09 14:47:09,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341204346] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-09 14:47:09,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-09 14:47:09,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-09 14:47:09,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672610911] [2023-12-09 14:47:09,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-09 14:47:09,567 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-09 14:47:09,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-09 14:47:09,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-09 14:47:09,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-09 14:47:09,593 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 96 [2023-12-09 14:47:09,595 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 94 transitions, 194 flow. Second operand has 3 states, 3 states have (on average 84.66666666666667) internal successors, (254), 3 states have internal predecessors, (254), 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 14:47:09,595 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-09 14:47:09,595 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 96 [2023-12-09 14:47:09,596 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-09 14:47:09,634 INFO L124 PetriNetUnfolderBase]: 3/95 cut-off events. [2023-12-09 14:47:09,634 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-12-09 14:47:09,635 INFO L83 FinitePrefix]: Finished finitePrefix Result has 114 conditions, 95 events. 3/95 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 63 event pairs, 0 based on Foata normal form. 18/109 useless extension candidates. Maximal degree in co-relation 80. Up to 6 conditions per place. [2023-12-09 14:47:09,636 INFO L140 encePairwiseOnDemand]: 89/96 looper letters, 9 selfloop transitions, 2 changer transitions 0/92 dead transitions. [2023-12-09 14:47:09,636 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 92 transitions, 212 flow [2023-12-09 14:47:09,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-09 14:47:09,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-12-09 14:47:09,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 268 transitions. [2023-12-09 14:47:09,645 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.9305555555555556 [2023-12-09 14:47:09,645 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 268 transitions. [2023-12-09 14:47:09,645 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 268 transitions. [2023-12-09 14:47:09,646 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-09 14:47:09,648 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 268 transitions. [2023-12-09 14:47:09,650 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 89.33333333333333) internal successors, (268), 3 states have internal predecessors, (268), 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 14:47:09,653 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 96.0) internal successors, (384), 4 states have internal predecessors, (384), 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 14:47:09,653 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 96.0) internal successors, (384), 4 states have internal predecessors, (384), 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 14:47:09,656 INFO L308 CegarLoopForPetriNet]: 94 programPoint places, 1 predicate places. [2023-12-09 14:47:09,656 INFO L500 AbstractCegarLoop]: Abstraction has has 95 places, 92 transitions, 212 flow [2023-12-09 14:47:09,656 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 84.66666666666667) internal successors, (254), 3 states have internal predecessors, (254), 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 14:47:09,656 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-09 14:47:09,656 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] [2023-12-09 14:47:09,656 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-09 14:47:09,657 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-12-09 14:47:09,657 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-09 14:47:09,657 INFO L85 PathProgramCache]: Analyzing trace with hash -544627393, now seen corresponding path program 1 times [2023-12-09 14:47:09,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-09 14:47:09,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457349741] [2023-12-09 14:47:09,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-09 14:47:09,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-09 14:47:09,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-09 14:47:09,849 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-09 14:47:09,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-09 14:47:09,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457349741] [2023-12-09 14:47:09,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457349741] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-09 14:47:09,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1310272839] [2023-12-09 14:47:09,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-09 14:47:09,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-09 14:47:09,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-09 14:47:09,852 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-09 14:47:09,884 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-09 14:47:09,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-09 14:47:09,962 INFO L262 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-09 14:47:09,966 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-09 14:47:10,010 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-09 14:47:10,010 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-09 14:47:10,044 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-09 14:47:10,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1310272839] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-09 14:47:10,044 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-09 14:47:10,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2023-12-09 14:47:10,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388649823] [2023-12-09 14:47:10,045 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-09 14:47:10,046 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-09 14:47:10,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-09 14:47:10,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-09 14:47:10,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-12-09 14:47:10,050 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 96 [2023-12-09 14:47:10,051 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 92 transitions, 212 flow. Second operand has 10 states, 10 states have (on average 82.1) internal successors, (821), 10 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) [2023-12-09 14:47:10,051 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-09 14:47:10,052 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 96 [2023-12-09 14:47:10,052 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-09 14:47:10,137 INFO L124 PetriNetUnfolderBase]: 3/104 cut-off events. [2023-12-09 14:47:10,137 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2023-12-09 14:47:10,138 INFO L83 FinitePrefix]: Finished finitePrefix Result has 148 conditions, 104 events. 3/104 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 53 event pairs, 0 based on Foata normal form. 0/100 useless extension candidates. Maximal degree in co-relation 111. Up to 10 conditions per place. [2023-12-09 14:47:10,138 INFO L140 encePairwiseOnDemand]: 90/96 looper letters, 11 selfloop transitions, 9 changer transitions 0/98 dead transitions. [2023-12-09 14:47:10,138 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 98 transitions, 272 flow [2023-12-09 14:47:10,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-09 14:47:10,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-12-09 14:47:10,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 742 transitions. [2023-12-09 14:47:10,143 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.8587962962962963 [2023-12-09 14:47:10,143 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 742 transitions. [2023-12-09 14:47:10,143 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 742 transitions. [2023-12-09 14:47:10,144 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-09 14:47:10,144 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 742 transitions. [2023-12-09 14:47:10,148 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 82.44444444444444) internal successors, (742), 9 states have internal predecessors, (742), 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 14:47:10,151 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 96.0) internal successors, (960), 10 states have internal predecessors, (960), 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 14:47:10,152 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 96.0) internal successors, (960), 10 states have internal predecessors, (960), 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 14:47:10,152 INFO L308 CegarLoopForPetriNet]: 94 programPoint places, 9 predicate places. [2023-12-09 14:47:10,153 INFO L500 AbstractCegarLoop]: Abstraction has has 103 places, 98 transitions, 272 flow [2023-12-09 14:47:10,153 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 82.1) internal successors, (821), 10 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) [2023-12-09 14:47:10,153 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-09 14:47:10,153 INFO L233 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:47:10,161 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-12-09 14:47:10,354 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-09 14:47:10,354 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-12-09 14:47:10,355 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-09 14:47:10,355 INFO L85 PathProgramCache]: Analyzing trace with hash 587621151, now seen corresponding path program 2 times [2023-12-09 14:47:10,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-09 14:47:10,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759704787] [2023-12-09 14:47:10,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-09 14:47:10,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-09 14:47:10,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-09 14:47:10,624 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-09 14:47:10,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-09 14:47:10,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759704787] [2023-12-09 14:47:10,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759704787] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-09 14:47:10,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1359117017] [2023-12-09 14:47:10,625 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-09 14:47:10,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-09 14:47:10,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-09 14:47:10,626 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-09 14:47:10,656 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-09 14:47:10,710 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-09 14:47:10,710 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-09 14:47:10,711 INFO L262 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-09 14:47:10,739 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-09 14:47:10,789 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-09 14:47:10,789 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-09 14:47:10,893 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-09 14:47:10,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1359117017] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-09 14:47:10,894 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-09 14:47:10,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2023-12-09 14:47:10,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093012306] [2023-12-09 14:47:10,894 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-09 14:47:10,895 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-12-09 14:47:10,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-09 14:47:10,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-12-09 14:47:10,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2023-12-09 14:47:10,898 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 96 [2023-12-09 14:47:10,900 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 98 transitions, 272 flow. Second operand has 18 states, 18 states have (on average 82.05555555555556) internal successors, (1477), 18 states have internal predecessors, (1477), 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 14:47:10,900 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-09 14:47:10,900 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 96 [2023-12-09 14:47:10,900 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-09 14:47:11,089 INFO L124 PetriNetUnfolderBase]: 3/132 cut-off events. [2023-12-09 14:47:11,090 INFO L125 PetriNetUnfolderBase]: For 38/38 co-relation queries the response was YES. [2023-12-09 14:47:11,091 INFO L83 FinitePrefix]: Finished finitePrefix Result has 241 conditions, 132 events. 3/132 cut-off events. For 38/38 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 54 event pairs, 0 based on Foata normal form. 0/128 useless extension candidates. Maximal degree in co-relation 201. Up to 22 conditions per place. [2023-12-09 14:47:11,092 INFO L140 encePairwiseOnDemand]: 90/96 looper letters, 15 selfloop transitions, 21 changer transitions 0/114 dead transitions. [2023-12-09 14:47:11,092 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 114 transitions, 432 flow [2023-12-09 14:47:11,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-09 14:47:11,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2023-12-09 14:47:11,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1720 transitions. [2023-12-09 14:47:11,100 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.8531746031746031 [2023-12-09 14:47:11,100 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 1720 transitions. [2023-12-09 14:47:11,100 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 1720 transitions. [2023-12-09 14:47:11,103 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-09 14:47:11,103 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 1720 transitions. [2023-12-09 14:47:11,108 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 81.9047619047619) internal successors, (1720), 21 states have internal predecessors, (1720), 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 14:47:11,115 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 96.0) internal successors, (2112), 22 states have internal predecessors, (2112), 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 14:47:11,116 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 96.0) internal successors, (2112), 22 states have internal predecessors, (2112), 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 14:47:11,117 INFO L308 CegarLoopForPetriNet]: 94 programPoint places, 29 predicate places. [2023-12-09 14:47:11,117 INFO L500 AbstractCegarLoop]: Abstraction has has 123 places, 114 transitions, 432 flow [2023-12-09 14:47:11,118 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 82.05555555555556) internal successors, (1477), 18 states have internal predecessors, (1477), 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 14:47:11,118 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-09 14:47:11,118 INFO L233 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:47:11,131 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-09 14:47:11,320 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-12-09 14:47:11,321 INFO L425 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-12-09 14:47:11,321 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-09 14:47:11,321 INFO L85 PathProgramCache]: Analyzing trace with hash -838301985, now seen corresponding path program 3 times [2023-12-09 14:47:11,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-09 14:47:11,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719684649] [2023-12-09 14:47:11,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-09 14:47:11,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-09 14:47:11,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-09 14:47:11,713 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-09 14:47:11,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-09 14:47:11,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719684649] [2023-12-09 14:47:11,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719684649] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-09 14:47:11,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [323448232] [2023-12-09 14:47:11,714 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-09 14:47:11,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-09 14:47:11,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-09 14:47:11,715 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-09 14:47:11,716 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-09 14:47:11,828 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2023-12-09 14:47:11,828 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-09 14:47:11,829 INFO L262 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-09 14:47:11,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-09 14:47:11,950 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-09 14:47:11,950 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-09 14:47:12,172 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-09 14:47:12,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [323448232] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-09 14:47:12,173 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-09 14:47:12,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2023-12-09 14:47:12,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510947387] [2023-12-09 14:47:12,174 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-09 14:47:12,175 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2023-12-09 14:47:12,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-09 14:47:12,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2023-12-09 14:47:12,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2023-12-09 14:47:12,182 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 96 [2023-12-09 14:47:12,185 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 114 transitions, 432 flow. Second operand has 34 states, 34 states have (on average 82.02941176470588) internal successors, (2789), 34 states have internal predecessors, (2789), 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 14:47:12,185 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-09 14:47:12,185 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 96 [2023-12-09 14:47:12,185 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-09 14:47:12,638 INFO L124 PetriNetUnfolderBase]: 3/188 cut-off events. [2023-12-09 14:47:12,638 INFO L125 PetriNetUnfolderBase]: For 122/122 co-relation queries the response was YES. [2023-12-09 14:47:12,642 INFO L83 FinitePrefix]: Finished finitePrefix Result has 454 conditions, 188 events. 3/188 cut-off events. For 122/122 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 53 event pairs, 0 based on Foata normal form. 0/184 useless extension candidates. Maximal degree in co-relation 411. Up to 46 conditions per place. [2023-12-09 14:47:12,645 INFO L140 encePairwiseOnDemand]: 90/96 looper letters, 23 selfloop transitions, 45 changer transitions 0/146 dead transitions. [2023-12-09 14:47:12,645 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 146 transitions, 808 flow [2023-12-09 14:47:12,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-12-09 14:47:12,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2023-12-09 14:47:12,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 3676 transitions. [2023-12-09 14:47:12,656 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.850925925925926 [2023-12-09 14:47:12,656 INFO L72 ComplementDD]: Start complementDD. Operand 45 states and 3676 transitions. [2023-12-09 14:47:12,656 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 3676 transitions. [2023-12-09 14:47:12,658 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-09 14:47:12,658 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 45 states and 3676 transitions. [2023-12-09 14:47:12,664 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 46 states, 45 states have (on average 81.68888888888888) internal successors, (3676), 45 states have internal predecessors, (3676), 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 14:47:12,673 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 46 states, 46 states have (on average 96.0) internal successors, (4416), 46 states have internal predecessors, (4416), 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 14:47:12,674 INFO L81 ComplementDD]: Finished complementDD. Result has 46 states, 46 states have (on average 96.0) internal successors, (4416), 46 states have internal predecessors, (4416), 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 14:47:12,677 INFO L308 CegarLoopForPetriNet]: 94 programPoint places, 73 predicate places. [2023-12-09 14:47:12,677 INFO L500 AbstractCegarLoop]: Abstraction has has 167 places, 146 transitions, 808 flow [2023-12-09 14:47:12,679 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 82.02941176470588) internal successors, (2789), 34 states have internal predecessors, (2789), 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 14:47:12,679 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-09 14:47:12,679 INFO L233 CegarLoopForPetriNet]: trace histogram [15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:47:12,688 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-09 14:47:12,884 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-09 14:47:12,884 INFO L425 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-12-09 14:47:12,885 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-09 14:47:12,885 INFO L85 PathProgramCache]: Analyzing trace with hash -747147681, now seen corresponding path program 4 times [2023-12-09 14:47:12,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-09 14:47:12,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229942692] [2023-12-09 14:47:12,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-09 14:47:12,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-09 14:47:12,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-09 14:47:13,662 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 0 proven. 750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-09 14:47:13,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-09 14:47:13,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229942692] [2023-12-09 14:47:13,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229942692] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-09 14:47:13,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1546035082] [2023-12-09 14:47:13,666 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-12-09 14:47:13,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-09 14:47:13,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-09 14:47:13,674 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-09 14:47:13,698 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-09 14:47:13,776 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-12-09 14:47:13,776 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-09 14:47:13,778 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 32 conjunts are in the unsatisfiable core [2023-12-09 14:47:13,794 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-09 14:47:13,914 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 0 proven. 750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-09 14:47:13,915 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-09 14:47:14,474 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 0 proven. 750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-09 14:47:14,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1546035082] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-09 14:47:14,474 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-09 14:47:14,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 47 [2023-12-09 14:47:14,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838883421] [2023-12-09 14:47:14,475 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-09 14:47:14,475 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2023-12-09 14:47:14,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-09 14:47:14,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2023-12-09 14:47:14,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=575, Invalid=1587, Unknown=0, NotChecked=0, Total=2162 [2023-12-09 14:47:14,479 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 96 [2023-12-09 14:47:14,481 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 146 transitions, 808 flow. Second operand has 47 states, 47 states have (on average 82.06382978723404) internal successors, (3857), 47 states have internal predecessors, (3857), 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 14:47:14,481 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-09 14:47:14,481 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 96 [2023-12-09 14:47:14,481 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-09 14:47:15,375 INFO L124 PetriNetUnfolderBase]: 3/237 cut-off events. [2023-12-09 14:47:15,375 INFO L125 PetriNetUnfolderBase]: For 272/272 co-relation queries the response was YES. [2023-12-09 14:47:15,376 INFO L83 FinitePrefix]: Finished finitePrefix Result has 705 conditions, 237 events. 3/237 cut-off events. For 272/272 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 54 event pairs, 0 based on Foata normal form. 0/233 useless extension candidates. Maximal degree in co-relation 659. Up to 67 conditions per place. [2023-12-09 14:47:15,377 INFO L140 encePairwiseOnDemand]: 90/96 looper letters, 30 selfloop transitions, 66 changer transitions 0/174 dead transitions. [2023-12-09 14:47:15,377 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 232 places, 174 transitions, 1266 flow [2023-12-09 14:47:15,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2023-12-09 14:47:15,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2023-12-09 14:47:15,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 5383 transitions. [2023-12-09 14:47:15,384 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.8495896464646465 [2023-12-09 14:47:15,384 INFO L72 ComplementDD]: Start complementDD. Operand 66 states and 5383 transitions. [2023-12-09 14:47:15,384 INFO L73 IsDeterministic]: Start isDeterministic. Operand 66 states and 5383 transitions. [2023-12-09 14:47:15,386 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-09 14:47:15,386 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 66 states and 5383 transitions. [2023-12-09 14:47:15,392 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 67 states, 66 states have (on average 81.56060606060606) internal successors, (5383), 66 states have internal predecessors, (5383), 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 14:47:15,399 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 67 states, 67 states have (on average 96.0) internal successors, (6432), 67 states have internal predecessors, (6432), 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 14:47:15,401 INFO L81 ComplementDD]: Finished complementDD. Result has 67 states, 67 states have (on average 96.0) internal successors, (6432), 67 states have internal predecessors, (6432), 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 14:47:15,401 INFO L308 CegarLoopForPetriNet]: 94 programPoint places, 138 predicate places. [2023-12-09 14:47:15,401 INFO L500 AbstractCegarLoop]: Abstraction has has 232 places, 174 transitions, 1266 flow [2023-12-09 14:47:15,402 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 82.06382978723404) internal successors, (3857), 47 states have internal predecessors, (3857), 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 14:47:15,402 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-09 14:47:15,403 INFO L233 CegarLoopForPetriNet]: trace histogram [22, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:47:15,409 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-09 14:47:15,607 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-09 14:47:15,607 INFO L425 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-12-09 14:47:15,608 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-09 14:47:15,608 INFO L85 PathProgramCache]: Analyzing trace with hash 1640877240, now seen corresponding path program 5 times [2023-12-09 14:47:15,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-09 14:47:15,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738264541] [2023-12-09 14:47:15,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-09 14:47:15,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-09 14:47:15,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-09 14:47:19,285 INFO L134 CoverageAnalysis]: Checked inductivity of 1639 backedges. 0 proven. 1639 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-09 14:47:19,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-09 14:47:19,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738264541] [2023-12-09 14:47:19,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738264541] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-09 14:47:19,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1461678413] [2023-12-09 14:47:19,286 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-12-09 14:47:19,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-09 14:47:19,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-09 14:47:19,287 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-09 14:47:19,291 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-09 14:47:19,392 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 23 check-sat command(s) [2023-12-09 14:47:19,392 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-09 14:47:19,394 INFO L262 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 75 conjunts are in the unsatisfiable core [2023-12-09 14:47:19,398 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-09 14:47:25,568 INFO L134 CoverageAnalysis]: Checked inductivity of 1639 backedges. 1370 proven. 269 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-09 14:47:25,568 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-09 14:47:33,064 INFO L134 CoverageAnalysis]: Checked inductivity of 1639 backedges. 0 proven. 1639 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-09 14:47:33,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1461678413] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-09 14:47:33,065 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-09 14:47:33,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [75, 75, 75] total 217 [2023-12-09 14:47:33,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837598038] [2023-12-09 14:47:33,065 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-09 14:47:33,066 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 217 states [2023-12-09 14:47:33,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-09 14:47:33,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 217 interpolants. [2023-12-09 14:47:33,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2716, Invalid=44156, Unknown=0, NotChecked=0, Total=46872 [2023-12-09 14:47:33,084 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 96 [2023-12-09 14:47:33,093 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 232 places, 174 transitions, 1266 flow. Second operand has 217 states, 217 states have (on average 62.16129032258065) internal successors, (13489), 217 states have internal predecessors, (13489), 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 14:47:33,093 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-09 14:47:33,093 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 96 [2023-12-09 14:47:33,093 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand Received shutdown request... [2023-12-09 14:51:35,860 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 14:51:35,860 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-09 14:51:36,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 377 states. [2023-12-09 14:51:36,030 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-12-09 14:51:36,046 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-09 14:51:36,234 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-09 14:51:36,234 WARN L624 AbstractCegarLoop]: Verification canceled: while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∧-60-1 term,while SimplifyDDA2 was simplifying 60 xjuncts wrt. a ATOM-1 context. [2023-12-09 14:51:36,236 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-12-09 14:51:36,236 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-12-09 14:51:36,236 INFO L457 BasicCegarLoop]: Path program histogram: [5, 1] [2023-12-09 14:51:36,240 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-12-09 14:51:36,240 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-12-09 14:51:36,243 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 02:51:36 BasicIcfg [2023-12-09 14:51:36,243 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-09 14:51:36,244 INFO L158 Benchmark]: Toolchain (without parser) took 267840.55ms. Allocated memory was 186.6MB in the beginning and 720.4MB in the end (delta: 533.7MB). Free memory was 141.2MB in the beginning and 425.3MB in the end (delta: -284.1MB). Peak memory consumption was 251.2MB. Max. memory is 8.0GB. [2023-12-09 14:51:36,244 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 186.6MB. Free memory is still 143.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-09 14:51:36,244 INFO L158 Benchmark]: CACSL2BoogieTranslator took 339.66ms. Allocated memory is still 186.6MB. Free memory was 140.8MB in the beginning and 121.3MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-12-09 14:51:36,245 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.09ms. Allocated memory is still 186.6MB. Free memory was 121.3MB in the beginning and 119.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-09 14:51:36,245 INFO L158 Benchmark]: Boogie Preprocessor took 31.23ms. Allocated memory is still 186.6MB. Free memory was 119.3MB in the beginning and 117.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-09 14:51:36,245 INFO L158 Benchmark]: RCFGBuilder took 330.43ms. Allocated memory is still 186.6MB. Free memory was 117.7MB in the beginning and 103.6MB in the end (delta: 14.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2023-12-09 14:51:36,245 INFO L158 Benchmark]: TraceAbstraction took 267085.63ms. Allocated memory was 186.6MB in the beginning and 720.4MB in the end (delta: 533.7MB). Free memory was 102.6MB in the beginning and 425.3MB in the end (delta: -322.7MB). Peak memory consumption was 212.4MB. Max. memory is 8.0GB. [2023-12-09 14:51:36,247 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 186.6MB. Free memory is still 143.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 339.66ms. Allocated memory is still 186.6MB. Free memory was 140.8MB in the beginning and 121.3MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 47.09ms. Allocated memory is still 186.6MB. Free memory was 121.3MB in the beginning and 119.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 31.23ms. Allocated memory is still 186.6MB. Free memory was 119.3MB in the beginning and 117.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 330.43ms. Allocated memory is still 186.6MB. Free memory was 117.7MB in the beginning and 103.6MB in the end (delta: 14.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 267085.63ms. Allocated memory was 186.6MB in the beginning and 720.4MB in the end (delta: 533.7MB). Free memory was 102.6MB in the beginning and 425.3MB in the end (delta: -322.7MB). Peak memory consumption was 212.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 681]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∧-60-1 term,while SimplifyDDA2 was simplifying 60 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 721]: 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 ∧-60-1 term,while SimplifyDDA2 was simplifying 60 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 720]: 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 ∧-60-1 term,while SimplifyDDA2 was simplifying 60 xjuncts wrt. a ATOM-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 112 locations, 3 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: 267.0s, OverallIterations: 6, TraceHistogramMax: 22, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 244.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2620 SdHoareTripleChecker+Valid, 6.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2620 mSDsluCounter, 535 SdHoareTripleChecker+Invalid, 5.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 498 mSDsCounter, 6309 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8094 IncrementalHoareTripleChecker+Invalid, 14403 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6309 mSolverCounterUnsat, 37 mSDtfsCounter, 8094 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1762 GetRequests, 965 SyntacticMatches, 22 SemanticMatches, 774 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122732 ImplicationChecksByTransitivity, 250.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1266occurred in iteration=5, InterpolantAutomatonStates: 144, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 20.2s InterpolantComputationTime, 1222 NumberOfCodeBlocks, 1222 NumberOfCodeBlocksAsserted, 42 NumberOfCheckSat, 1792 ConstructedInterpolants, 0 QuantifiedInterpolants, 10561 SizeOfPredicates, 124 NumberOfNonLiveVariables, 1246 ConjunctsInSsa, 135 ConjunctsInUnsatCore, 16 InterpolantComputations, 1 PerfectInterpolantSequences, 1370/7704 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