/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg true -i ../../../trunk/examples/svcomp/pthread/fib_safe-5.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-29 18:48:06,991 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 18:48:07,053 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2023-11-29 18:48:07,072 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 18:48:07,073 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 18:48:07,073 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 18:48:07,073 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 18:48:07,074 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 18:48:07,074 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 18:48:07,074 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 18:48:07,075 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 18:48:07,075 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 18:48:07,075 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 18:48:07,075 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 18:48:07,076 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 18:48:07,076 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 18:48:07,076 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 18:48:07,077 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 18:48:07,077 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 18:48:07,077 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 18:48:07,078 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 18:48:07,078 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 18:48:07,078 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 18:48:07,079 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-29 18:48:07,079 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 18:48:07,079 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-29 18:48:07,080 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 18:48:07,080 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 18:48:07,080 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 18:48:07,081 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 18:48:07,081 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 18:48:07,081 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 18:48:07,081 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 18:48:07,082 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true [2023-11-29 18:48:07,286 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 18:48:07,310 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 18:48:07,313 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 18:48:07,314 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 18:48:07,315 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 18:48:07,316 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/fib_safe-5.i [2023-11-29 18:48:08,388 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 18:48:08,638 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 18:48:08,639 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_safe-5.i [2023-11-29 18:48:08,654 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8644e48fe/a273b79e65f9403ab16c24a64498376e/FLAG6e538a849 [2023-11-29 18:48:08,669 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8644e48fe/a273b79e65f9403ab16c24a64498376e [2023-11-29 18:48:08,673 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 18:48:08,676 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-29 18:48:08,679 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 18:48:08,679 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 18:48:08,683 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 18:48:08,684 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:48:08" (1/1) ... [2023-11-29 18:48:08,684 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53023c09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:48:08, skipping insertion in model container [2023-11-29 18:48:08,685 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:48:08" (1/1) ... [2023-11-29 18:48:08,731 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 18:48:08,982 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-5.i[30241,30254] [2023-11-29 18:48:09,000 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 18:48:09,009 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 18:48:09,068 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-5.i[30241,30254] [2023-11-29 18:48:09,078 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 18:48:09,104 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 18:48:09,104 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 18:48:09,111 INFO L206 MainTranslator]: Completed translation [2023-11-29 18:48:09,113 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:48:09 WrapperNode [2023-11-29 18:48:09,113 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 18:48:09,114 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 18:48:09,114 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 18:48:09,114 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 18:48:09,120 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:48:09" (1/1) ... [2023-11-29 18:48:09,145 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:48:09" (1/1) ... [2023-11-29 18:48:09,167 INFO L138 Inliner]: procedures = 165, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2023-11-29 18:48:09,168 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 18:48:09,168 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 18:48:09,169 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 18:48:09,169 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 18:48:09,175 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:48:09" (1/1) ... [2023-11-29 18:48:09,175 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:48:09" (1/1) ... [2023-11-29 18:48:09,182 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:48:09" (1/1) ... [2023-11-29 18:48:09,182 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:48:09" (1/1) ... [2023-11-29 18:48:09,194 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:48:09" (1/1) ... [2023-11-29 18:48:09,197 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:48:09" (1/1) ... [2023-11-29 18:48:09,198 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:48:09" (1/1) ... [2023-11-29 18:48:09,199 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:48:09" (1/1) ... [2023-11-29 18:48:09,201 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 18:48:09,201 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 18:48:09,202 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 18:48:09,202 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 18:48:09,202 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:48:09" (1/1) ... [2023-11-29 18:48:09,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-29 18:48:09,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-29 18:48:09,234 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-29 18:48:09,236 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-29 18:48:09,253 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-29 18:48:09,253 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-29 18:48:09,253 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-29 18:48:09,254 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-29 18:48:09,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 18:48:09,255 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-29 18:48:09,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 18:48:09,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 18:48:09,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 18:48:09,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 18:48:09,255 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-29 18:48:09,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 18:48:09,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 18:48:09,257 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-29 18:48:09,364 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 18:48:09,366 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 18:48:09,547 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 18:48:09,555 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 18:48:09,555 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-29 18:48:09,557 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:48:09 BoogieIcfgContainer [2023-11-29 18:48:09,557 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 18:48:09,569 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 18:48:09,569 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 18:48:09,573 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 18:48:09,573 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:48:08" (1/3) ... [2023-11-29 18:48:09,574 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@786a5f2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:48:09, skipping insertion in model container [2023-11-29 18:48:09,574 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:48:09" (2/3) ... [2023-11-29 18:48:09,575 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@786a5f2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:48:09, skipping insertion in model container [2023-11-29 18:48:09,575 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:48:09" (3/3) ... [2023-11-29 18:48:09,576 INFO L112 eAbstractionObserver]: Analyzing ICFG fib_safe-5.i [2023-11-29 18:48:09,591 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 18:48:09,591 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 18:48:09,591 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 18:48:09,643 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-29 18:48:09,671 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 96 places, 96 transitions, 200 flow [2023-11-29 18:48:09,705 INFO L124 PetriNetUnfolderBase]: 7/94 cut-off events. [2023-11-29 18:48:09,705 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 18:48:09,711 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. [2023-11-29 18:48:09,711 INFO L82 GeneralOperation]: Start removeDead. Operand has 96 places, 96 transitions, 200 flow [2023-11-29 18:48:09,714 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 94 places, 94 transitions, 194 flow [2023-11-29 18:48:09,722 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 18:48:09,727 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;@cbdcbf9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 18:48:09,727 INFO L363 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-29 18:48:09,746 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 18:48:09,747 INFO L124 PetriNetUnfolderBase]: 6/80 cut-off events. [2023-11-29 18:48:09,747 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 18:48:09,747 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-29 18:48:09,747 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 18:48:09,748 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-29 18:48:09,752 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 18:48:09,752 INFO L85 PathProgramCache]: Analyzing trace with hash 721324376, now seen corresponding path program 1 times [2023-11-29 18:48:09,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 18:48:09,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974417384] [2023-11-29 18:48:09,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 18:48:09,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 18:48:09,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 18:48:10,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 18:48:10,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 18:48:10,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974417384] [2023-11-29 18:48:10,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974417384] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 18:48:10,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 18:48:10,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 18:48:10,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217295279] [2023-11-29 18:48:10,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 18:48:10,082 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 18:48:10,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 18:48:10,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 18:48:10,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 18:48:10,115 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 96 [2023-11-29 18:48:10,117 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) [2023-11-29 18:48:10,117 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 18:48:10,117 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 96 [2023-11-29 18:48:10,118 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 18:48:10,156 INFO L124 PetriNetUnfolderBase]: 3/95 cut-off events. [2023-11-29 18:48:10,157 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-29 18:48:10,157 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. [2023-11-29 18:48:10,159 INFO L140 encePairwiseOnDemand]: 89/96 looper letters, 9 selfloop transitions, 2 changer transitions 0/92 dead transitions. [2023-11-29 18:48:10,159 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 92 transitions, 212 flow [2023-11-29 18:48:10,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 18:48:10,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 18:48:10,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 268 transitions. [2023-11-29 18:48:10,182 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9305555555555556 [2023-11-29 18:48:10,183 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 268 transitions. [2023-11-29 18:48:10,183 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 268 transitions. [2023-11-29 18:48:10,186 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 18:48:10,189 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 268 transitions. [2023-11-29 18:48:10,194 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) [2023-11-29 18:48:10,197 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) [2023-11-29 18:48:10,197 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) [2023-11-29 18:48:10,201 INFO L307 CegarLoopForPetriNet]: 94 programPoint places, 1 predicate places. [2023-11-29 18:48:10,202 INFO L500 AbstractCegarLoop]: Abstraction has has 95 places, 92 transitions, 212 flow [2023-11-29 18:48:10,202 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) [2023-11-29 18:48:10,202 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-29 18:48:10,202 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 18:48:10,203 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 18:48:10,203 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-29 18:48:10,204 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 18:48:10,204 INFO L85 PathProgramCache]: Analyzing trace with hash -544627393, now seen corresponding path program 1 times [2023-11-29 18:48:10,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 18:48:10,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239551505] [2023-11-29 18:48:10,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 18:48:10,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 18:48:10,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 18:48:10,415 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 18:48:10,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 18:48:10,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239551505] [2023-11-29 18:48:10,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239551505] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 18:48:10,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [729634107] [2023-11-29 18:48:10,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 18:48:10,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 18:48:10,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-29 18:48:10,424 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) [2023-11-29 18:48:10,440 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 18:48:10,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 18:48:10,532 INFO L262 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 18:48:10,543 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 18:48:10,616 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 18:48:10,616 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 18:48:10,675 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 18:48:10,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [729634107] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 18:48:10,676 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 18:48:10,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2023-11-29 18:48:10,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222633167] [2023-11-29 18:48:10,677 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 18:48:10,677 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 18:48:10,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 18:48:10,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 18:48:10,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-11-29 18:48:10,680 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 96 [2023-11-29 18:48:10,682 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) [2023-11-29 18:48:10,682 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 18:48:10,682 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 96 [2023-11-29 18:48:10,682 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 18:48:10,784 INFO L124 PetriNetUnfolderBase]: 3/104 cut-off events. [2023-11-29 18:48:10,785 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2023-11-29 18:48:10,790 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. [2023-11-29 18:48:10,791 INFO L140 encePairwiseOnDemand]: 90/96 looper letters, 11 selfloop transitions, 9 changer transitions 0/98 dead transitions. [2023-11-29 18:48:10,791 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 98 transitions, 272 flow [2023-11-29 18:48:10,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 18:48:10,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-11-29 18:48:10,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 742 transitions. [2023-11-29 18:48:10,795 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8587962962962963 [2023-11-29 18:48:10,795 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 742 transitions. [2023-11-29 18:48:10,795 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 742 transitions. [2023-11-29 18:48:10,796 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 18:48:10,796 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 742 transitions. [2023-11-29 18:48:10,798 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) [2023-11-29 18:48:10,802 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) [2023-11-29 18:48:10,803 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) [2023-11-29 18:48:10,803 INFO L307 CegarLoopForPetriNet]: 94 programPoint places, 9 predicate places. [2023-11-29 18:48:10,804 INFO L500 AbstractCegarLoop]: Abstraction has has 103 places, 98 transitions, 272 flow [2023-11-29 18:48:10,804 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) [2023-11-29 18:48:10,804 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-29 18:48:10,805 INFO L232 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] [2023-11-29 18:48:10,811 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-29 18:48:11,010 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 [2023-11-29 18:48:11,011 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-29 18:48:11,012 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 18:48:11,012 INFO L85 PathProgramCache]: Analyzing trace with hash 587621151, now seen corresponding path program 2 times [2023-11-29 18:48:11,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 18:48:11,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896410229] [2023-11-29 18:48:11,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 18:48:11,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 18:48:11,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 18:48:11,271 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 18:48:11,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 18:48:11,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896410229] [2023-11-29 18:48:11,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896410229] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 18:48:11,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1466297301] [2023-11-29 18:48:11,276 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 18:48:11,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 18:48:11,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-29 18:48:11,278 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) [2023-11-29 18:48:11,296 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 18:48:11,369 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 18:48:11,370 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 18:48:11,371 INFO L262 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 18:48:11,373 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 18:48:11,449 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 18:48:11,449 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 18:48:11,563 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 18:48:11,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1466297301] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 18:48:11,563 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 18:48:11,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2023-11-29 18:48:11,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667277265] [2023-11-29 18:48:11,564 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 18:48:11,566 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-11-29 18:48:11,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 18:48:11,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-29 18:48:11,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2023-11-29 18:48:11,574 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 96 [2023-11-29 18:48:11,576 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) [2023-11-29 18:48:11,576 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 18:48:11,576 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 96 [2023-11-29 18:48:11,576 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 18:48:11,785 INFO L124 PetriNetUnfolderBase]: 3/132 cut-off events. [2023-11-29 18:48:11,785 INFO L125 PetriNetUnfolderBase]: For 38/38 co-relation queries the response was YES. [2023-11-29 18:48:11,786 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. [2023-11-29 18:48:11,787 INFO L140 encePairwiseOnDemand]: 90/96 looper letters, 15 selfloop transitions, 21 changer transitions 0/114 dead transitions. [2023-11-29 18:48:11,787 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 114 transitions, 432 flow [2023-11-29 18:48:11,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-29 18:48:11,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2023-11-29 18:48:11,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1720 transitions. [2023-11-29 18:48:11,792 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8531746031746031 [2023-11-29 18:48:11,792 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 1720 transitions. [2023-11-29 18:48:11,792 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 1720 transitions. [2023-11-29 18:48:11,794 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 18:48:11,794 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 1720 transitions. [2023-11-29 18:48:11,798 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) [2023-11-29 18:48:11,802 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) [2023-11-29 18:48:11,803 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) [2023-11-29 18:48:11,804 INFO L307 CegarLoopForPetriNet]: 94 programPoint places, 29 predicate places. [2023-11-29 18:48:11,804 INFO L500 AbstractCegarLoop]: Abstraction has has 123 places, 114 transitions, 432 flow [2023-11-29 18:48:11,805 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) [2023-11-29 18:48:11,805 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-29 18:48:11,805 INFO L232 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] [2023-11-29 18:48:11,811 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-29 18:48:12,011 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 [2023-11-29 18:48:12,011 INFO L425 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-29 18:48:12,012 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 18:48:12,012 INFO L85 PathProgramCache]: Analyzing trace with hash -838301985, now seen corresponding path program 3 times [2023-11-29 18:48:12,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 18:48:12,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953948810] [2023-11-29 18:48:12,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 18:48:12,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 18:48:12,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 18:48:12,370 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 18:48:12,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 18:48:12,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953948810] [2023-11-29 18:48:12,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953948810] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 18:48:12,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [585058351] [2023-11-29 18:48:12,373 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-29 18:48:12,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 18:48:12,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-29 18:48:12,376 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) [2023-11-29 18:48:12,399 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 18:48:12,470 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2023-11-29 18:48:12,470 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 18:48:12,471 INFO L262 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-29 18:48:12,477 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 18:48:12,571 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 18:48:12,571 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 18:48:12,801 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 18:48:12,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [585058351] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 18:48:12,801 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 18:48:12,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 27 [2023-11-29 18:48:12,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934638153] [2023-11-29 18:48:12,802 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 18:48:12,802 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-11-29 18:48:12,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 18:48:12,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-11-29 18:48:12,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=507, Unknown=0, NotChecked=0, Total=702 [2023-11-29 18:48:12,807 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 96 [2023-11-29 18:48:12,809 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 114 transitions, 432 flow. Second operand has 27 states, 27 states have (on average 82.11111111111111) internal successors, (2217), 27 states have internal predecessors, (2217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 18:48:12,809 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 18:48:12,809 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 96 [2023-11-29 18:48:12,809 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 18:48:13,181 INFO L124 PetriNetUnfolderBase]: 3/167 cut-off events. [2023-11-29 18:48:13,181 INFO L125 PetriNetUnfolderBase]: For 104/104 co-relation queries the response was YES. [2023-11-29 18:48:13,182 INFO L83 FinitePrefix]: Finished finitePrefix Result has 388 conditions, 167 events. 3/167 cut-off events. For 104/104 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 53 event pairs, 0 based on Foata normal form. 0/163 useless extension candidates. Maximal degree in co-relation 345. Up to 37 conditions per place. [2023-11-29 18:48:13,183 INFO L140 encePairwiseOnDemand]: 90/96 looper letters, 20 selfloop transitions, 36 changer transitions 0/134 dead transitions. [2023-11-29 18:48:13,183 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 134 transitions, 694 flow [2023-11-29 18:48:13,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-11-29 18:48:13,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2023-11-29 18:48:13,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 2941 transitions. [2023-11-29 18:48:13,195 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8509837962962963 [2023-11-29 18:48:13,195 INFO L72 ComplementDD]: Start complementDD. Operand 36 states and 2941 transitions. [2023-11-29 18:48:13,195 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 2941 transitions. [2023-11-29 18:48:13,196 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 18:48:13,197 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 36 states and 2941 transitions. [2023-11-29 18:48:13,202 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 37 states, 36 states have (on average 81.69444444444444) internal successors, (2941), 36 states have internal predecessors, (2941), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 18:48:13,209 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 37 states, 37 states have (on average 96.0) internal successors, (3552), 37 states have internal predecessors, (3552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 18:48:13,210 INFO L81 ComplementDD]: Finished complementDD. Result has 37 states, 37 states have (on average 96.0) internal successors, (3552), 37 states have internal predecessors, (3552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 18:48:13,212 INFO L307 CegarLoopForPetriNet]: 94 programPoint places, 64 predicate places. [2023-11-29 18:48:13,212 INFO L500 AbstractCegarLoop]: Abstraction has has 158 places, 134 transitions, 694 flow [2023-11-29 18:48:13,212 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 82.11111111111111) internal successors, (2217), 27 states have internal predecessors, (2217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 18:48:13,213 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-29 18:48:13,213 INFO L232 CegarLoopForPetriNet]: trace histogram [12, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 18:48:13,222 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-29 18:48:13,420 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 [2023-11-29 18:48:13,420 INFO L425 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-29 18:48:13,420 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 18:48:13,421 INFO L85 PathProgramCache]: Analyzing trace with hash 2069165592, now seen corresponding path program 4 times [2023-11-29 18:48:13,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 18:48:13,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998445923] [2023-11-29 18:48:13,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 18:48:13,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 18:48:13,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 18:48:15,667 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 0 proven. 474 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 18:48:15,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 18:48:15,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998445923] [2023-11-29 18:48:15,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998445923] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 18:48:15,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1847172576] [2023-11-29 18:48:15,668 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-29 18:48:15,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 18:48:15,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-29 18:48:15,672 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) [2023-11-29 18:48:15,698 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 18:48:15,773 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-29 18:48:15,774 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 18:48:15,775 INFO L262 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 45 conjunts are in the unsatisfiable core [2023-11-29 18:48:15,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 18:48:18,690 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 335 proven. 139 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 18:48:18,690 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 18:48:21,917 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 0 proven. 474 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 18:48:21,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1847172576] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 18:48:21,917 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 18:48:21,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 45, 45] total 127 [2023-11-29 18:48:21,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407889574] [2023-11-29 18:48:21,918 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 18:48:21,919 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 127 states [2023-11-29 18:48:21,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 18:48:21,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 127 interpolants. [2023-11-29 18:48:21,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=981, Invalid=15021, Unknown=0, NotChecked=0, Total=16002 [2023-11-29 18:48:21,932 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 96 [2023-11-29 18:48:21,938 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 134 transitions, 694 flow. Second operand has 127 states, 127 states have (on average 62.275590551181104) internal successors, (7909), 127 states have internal predecessors, (7909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 18:48:21,938 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 18:48:21,939 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 96 [2023-11-29 18:48:21,939 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 18:50:49,039 INFO L124 PetriNetUnfolderBase]: 26795/87777 cut-off events. [2023-11-29 18:50:49,039 INFO L125 PetriNetUnfolderBase]: For 9762/9762 co-relation queries the response was YES. [2023-11-29 18:50:49,374 INFO L83 FinitePrefix]: Finished finitePrefix Result has 151850 conditions, 87777 events. 26795/87777 cut-off events. For 9762/9762 co-relation queries the response was YES. Maximal size of possible extension queue 1454. Compared 1161539 event pairs, 0 based on Foata normal form. 0/81556 useless extension candidates. Maximal degree in co-relation 151797. Up to 13423 conditions per place. [2023-11-29 18:50:49,716 INFO L140 encePairwiseOnDemand]: 76/96 looper letters, 1113 selfloop transitions, 1743 changer transitions 1484/4436 dead transitions. [2023-11-29 18:50:49,717 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 958 places, 4436 transitions, 18028 flow [2023-11-29 18:50:49,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 801 states. [2023-11-29 18:50:49,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 801 states. [2023-11-29 18:50:49,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 801 states and 53274 transitions. [2023-11-29 18:50:49,780 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6928058676654182 [2023-11-29 18:50:49,780 INFO L72 ComplementDD]: Start complementDD. Operand 801 states and 53274 transitions. [2023-11-29 18:50:49,780 INFO L73 IsDeterministic]: Start isDeterministic. Operand 801 states and 53274 transitions. [2023-11-29 18:50:49,802 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 18:50:49,802 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 801 states and 53274 transitions. [2023-11-29 18:50:49,892 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 802 states, 801 states have (on average 66.50936329588015) internal successors, (53274), 801 states have internal predecessors, (53274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 18:50:50,001 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 802 states, 802 states have (on average 96.0) internal successors, (76992), 802 states have internal predecessors, (76992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 18:50:50,032 INFO L81 ComplementDD]: Finished complementDD. Result has 802 states, 802 states have (on average 96.0) internal successors, (76992), 802 states have internal predecessors, (76992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 18:50:50,035 INFO L307 CegarLoopForPetriNet]: 94 programPoint places, 864 predicate places. [2023-11-29 18:50:50,035 INFO L500 AbstractCegarLoop]: Abstraction has has 958 places, 4436 transitions, 18028 flow [2023-11-29 18:50:50,037 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 127 states, 127 states have (on average 62.275590551181104) internal successors, (7909), 127 states have internal predecessors, (7909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 18:50:50,037 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-29 18:50:50,037 INFO L232 CegarLoopForPetriNet]: trace histogram [12, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 18:50:50,047 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-29 18:50:50,242 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 [2023-11-29 18:50:50,242 INFO L425 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-29 18:50:50,243 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 18:50:50,243 INFO L85 PathProgramCache]: Analyzing trace with hash 1924542, now seen corresponding path program 1 times [2023-11-29 18:50:50,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 18:50:50,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089131308] [2023-11-29 18:50:50,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 18:50:50,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 18:50:50,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 18:50:52,262 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 0 proven. 474 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 18:50:52,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 18:50:52,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089131308] [2023-11-29 18:50:52,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089131308] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 18:50:52,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1194121853] [2023-11-29 18:50:52,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 18:50:52,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 18:50:52,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-29 18:50:52,264 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) [2023-11-29 18:50:52,267 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 18:50:52,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 18:50:52,359 INFO L262 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 50 conjunts are in the unsatisfiable core [2023-11-29 18:50:52,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 18:50:55,327 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 335 proven. 139 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 18:50:55,327 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 18:50:58,479 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 0 proven. 474 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 18:50:58,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1194121853] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 18:50:58,480 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 18:50:58,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47, 47] total 135 [2023-11-29 18:50:58,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609373287] [2023-11-29 18:50:58,480 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 18:50:58,481 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 135 states [2023-11-29 18:50:58,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 18:50:58,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 135 interpolants. [2023-11-29 18:50:58,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=998, Invalid=17092, Unknown=0, NotChecked=0, Total=18090 [2023-11-29 18:50:58,491 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 96 [2023-11-29 18:50:58,495 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 958 places, 4436 transitions, 18028 flow. Second operand has 135 states, 135 states have (on average 62.266666666666666) internal successors, (8406), 135 states have internal predecessors, (8406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 18:50:58,496 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 18:50:58,496 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 96 [2023-11-29 18:50:58,496 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand Received shutdown request... [2023-11-29 19:00:17,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 1705 states. [2023-11-29 19:00:17,620 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-11-29 19:00:17,626 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-29 19:00:17,641 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 [2023-11-29 19:00:17,641 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 [2023-11-29 19:00:17,824 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 [2023-11-29 19:00:17,824 WARN L624 AbstractCegarLoop]: Verification canceled: while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∧-55-1 term,while SimplifyDDA2 was simplifying 45 xjuncts wrt. a ATOM-1 context. [2023-11-29 19:00:17,826 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-11-29 19:00:17,826 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-11-29 19:00:17,827 INFO L457 BasicCegarLoop]: Path program histogram: [4, 1, 1] [2023-11-29 19:00:17,831 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-29 19:00:17,832 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 19:00:17,840 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 07:00:17 BasicIcfg [2023-11-29 19:00:17,841 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 19:00:17,843 INFO L158 Benchmark]: Toolchain (without parser) took 729167.18ms. Allocated memory was 524.3MB in the beginning and 14.9GB in the end (delta: 14.4GB). Free memory was 468.2MB in the beginning and 8.8GB in the end (delta: -8.3GB). Peak memory consumption was 6.1GB. Max. memory is 16.0GB. [2023-11-29 19:00:17,843 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 360.7MB. Free memory is still 309.9MB. There was no memory consumed. Max. memory is 16.0GB. [2023-11-29 19:00:17,844 INFO L158 Benchmark]: CACSL2BoogieTranslator took 434.31ms. Allocated memory is still 524.3MB. Free memory was 468.2MB in the beginning and 448.4MB in the end (delta: 19.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.0GB. [2023-11-29 19:00:17,844 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.24ms. Allocated memory is still 524.3MB. Free memory was 448.4MB in the beginning and 446.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-29 19:00:17,844 INFO L158 Benchmark]: Boogie Preprocessor took 32.37ms. Allocated memory is still 524.3MB. Free memory was 446.4MB in the beginning and 445.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.0GB. [2023-11-29 19:00:17,845 INFO L158 Benchmark]: RCFGBuilder took 355.34ms. Allocated memory is still 524.3MB. Free memory was 444.6MB in the beginning and 430.5MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. [2023-11-29 19:00:17,845 INFO L158 Benchmark]: TraceAbstraction took 728273.84ms. Allocated memory was 524.3MB in the beginning and 14.9GB in the end (delta: 14.4GB). Free memory was 487.9MB in the beginning and 8.8GB in the end (delta: -8.3GB). Peak memory consumption was 6.1GB. Max. memory is 16.0GB. [2023-11-29 19:00:17,846 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 360.7MB. Free memory is still 309.9MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 434.31ms. Allocated memory is still 524.3MB. Free memory was 468.2MB in the beginning and 448.4MB in the end (delta: 19.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 54.24ms. Allocated memory is still 524.3MB. Free memory was 448.4MB in the beginning and 446.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 32.37ms. Allocated memory is still 524.3MB. Free memory was 446.4MB in the beginning and 445.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 355.34ms. Allocated memory is still 524.3MB. Free memory was 444.6MB in the beginning and 430.5MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. * TraceAbstraction took 728273.84ms. Allocated memory was 524.3MB in the beginning and 14.9GB in the end (delta: 14.4GB). Free memory was 487.9MB in the beginning and 8.8GB in the end (delta: -8.3GB). Peak memory consumption was 6.1GB. Max. memory is 16.0GB. * 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 ∧-55-1 term,while SimplifyDDA2 was simplifying 45 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 ∧-55-1 term,while SimplifyDDA2 was simplifying 45 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 ∧-55-1 term,while SimplifyDDA2 was simplifying 45 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: 728.2s, OverallIterations: 6, TraceHistogramMax: 12, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 708.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 19191 SdHoareTripleChecker+Valid, 24.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19191 mSDsluCounter, 15682 SdHoareTripleChecker+Invalid, 20.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 15624 mSDsCounter, 6949 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 47396 IncrementalHoareTripleChecker+Invalid, 54345 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6949 mSolverCounterUnsat, 58 mSDtfsCounter, 47396 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3624 GetRequests, 803 SyntacticMatches, 11 SemanticMatches, 2809 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1934448 ImplicationChecksByTransitivity, 523.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18028occurred in iteration=5, InterpolantAutomatonStates: 870, 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, 18.0s InterpolantComputationTime, 1056 NumberOfCodeBlocks, 1056 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1543 ConstructedInterpolants, 0 QuantifiedInterpolants, 11659 SizeOfPredicates, 106 NumberOfNonLiveVariables, 1108 ConjunctsInSsa, 123 ConjunctsInUnsatCore, 16 InterpolantComputations, 1 PerfectInterpolantSequences, 670/3381 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