/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps '"3,2 1,1 2,2"' --traceabstraction.defines.what.statements.are.considered.a.step.in.por GLOBAL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/buffer-series.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-03 18:32:43,095 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2023-05-03 18:32:43,151 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-03 18:32:43,152 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-03 18:32:43,154 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-03 18:32:43,155 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-03 18:32:43,155 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-03 18:32:43,156 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-03 18:32:43,158 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-03 18:32:43,164 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-03 18:32:43,165 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-03 18:32:43,166 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-03 18:32:43,168 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-03 18:32:43,169 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-03 18:32:43,176 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-05-03 18:32:43,186 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-03 18:32:43,217 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-03 18:32:43,217 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-03 18:32:43,218 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-03 18:32:43,218 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-03 18:32:43,218 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-03 18:32:43,218 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-03 18:32:43,219 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-03 18:32:43,219 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-03 18:32:43,219 INFO L138 SettingsManager]: * Use SBE=true [2023-05-03 18:32:43,219 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-03 18:32:43,219 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-03 18:32:43,219 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-03 18:32:43,220 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-03 18:32:43,220 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-03 18:32:43,220 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-03 18:32:43,220 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-03 18:32:43,220 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-03 18:32:43,220 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-03 18:32:43,220 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-03 18:32:43,220 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-03 18:32:43,222 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-03 18:32:43,222 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-03 18:32:43,222 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-03 18:32:43,223 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-03 18:32:43,224 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-03 18:32:43,224 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-03 18:32:43,224 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-03 18:32:43,224 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-03 18:32:43,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-03 18:32:43,225 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-03 18:32:43,225 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-03 18:32:43,225 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-03 18:32:43,225 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-03 18:32:43,225 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-03 18:32:43,225 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-03 18:32:43,226 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-03 18:32:43,226 INFO L138 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> GLOBAL_READ_WRITE [2023-05-03 18:32:43,487 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-03 18:32:43,508 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-03 18:32:43,510 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-03 18:32:43,510 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-05-03 18:32:43,512 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2023-05-03 18:32:43,513 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/buffer-series.wvr.bpl [2023-05-03 18:32:43,513 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/buffer-series.wvr.bpl' [2023-05-03 18:32:43,535 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-03 18:32:43,536 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-05-03 18:32:43,541 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-03 18:32:43,541 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-03 18:32:43,541 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-03 18:32:43,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:32:43" (1/1) ... [2023-05-03 18:32:43,561 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:32:43" (1/1) ... [2023-05-03 18:32:43,566 INFO L138 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-05-03 18:32:43,567 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-03 18:32:43,568 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-03 18:32:43,569 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-03 18:32:43,569 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-03 18:32:43,576 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:32:43" (1/1) ... [2023-05-03 18:32:43,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:32:43" (1/1) ... [2023-05-03 18:32:43,578 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:32:43" (1/1) ... [2023-05-03 18:32:43,579 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:32:43" (1/1) ... [2023-05-03 18:32:43,585 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:32:43" (1/1) ... [2023-05-03 18:32:43,588 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:32:43" (1/1) ... [2023-05-03 18:32:43,589 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:32:43" (1/1) ... [2023-05-03 18:32:43,589 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:32:43" (1/1) ... [2023-05-03 18:32:43,590 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-03 18:32:43,591 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-03 18:32:43,591 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-03 18:32:43,591 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-03 18:32:43,592 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:32:43" (1/1) ... [2023-05-03 18:32:43,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-03 18:32:43,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 18:32:43,626 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) [2023-05-03 18:32:43,633 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 [2023-05-03 18:32:43,659 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-05-03 18:32:43,660 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-03 18:32:43,660 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-03 18:32:43,660 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-05-03 18:32:43,660 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-03 18:32:43,660 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-03 18:32:43,662 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-05-03 18:32:43,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-03 18:32:43,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-03 18:32:43,663 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2023-05-03 18:32:43,663 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-03 18:32:43,664 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-03 18:32:43,664 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2023-05-03 18:32:43,665 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-05-03 18:32:43,665 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-05-03 18:32:43,666 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-03 18:32:43,711 INFO L235 CfgBuilder]: Building ICFG [2023-05-03 18:32:43,712 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-03 18:32:43,809 INFO L276 CfgBuilder]: Performing block encoding [2023-05-03 18:32:43,829 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-03 18:32:43,829 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-03 18:32:43,831 INFO L202 PluginConnector]: Adding new model buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 06:32:43 BoogieIcfgContainer [2023-05-03 18:32:43,831 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-03 18:32:43,834 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-03 18:32:43,834 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-03 18:32:43,837 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-03 18:32:43,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:32:43" (1/2) ... [2023-05-03 18:32:43,838 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1de43ec2 and model type buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 06:32:43, skipping insertion in model container [2023-05-03 18:32:43,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 06:32:43" (2/2) ... [2023-05-03 18:32:43,840 INFO L112 eAbstractionObserver]: Analyzing ICFG buffer-series.wvr.bpl [2023-05-03 18:32:43,847 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-03 18:32:43,855 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-03 18:32:43,855 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-03 18:32:43,855 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-03 18:32:43,910 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-05-03 18:32:43,951 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-03 18:32:43,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-03 18:32:43,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 18:32:43,957 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-03 18:32:43,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-05-03 18:32:44,023 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-03 18:32:44,064 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-03 18:32:44,071 INFO L357 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=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@f758ee7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-03 18:32:44,071 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2023-05-03 18:32:44,352 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-03 18:32:44,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 18:32:44,363 INFO L85 PathProgramCache]: Analyzing trace with hash 1478560973, now seen corresponding path program 1 times [2023-05-03 18:32:44,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 18:32:44,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163502619] [2023-05-03 18:32:44,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 18:32:44,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 18:32:44,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 18:32:44,612 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-03 18:32:44,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 18:32:44,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163502619] [2023-05-03 18:32:44,614 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163502619] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-03 18:32:44,614 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-03 18:32:44,614 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-03 18:32:44,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465063477] [2023-05-03 18:32:44,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-03 18:32:44,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-03 18:32:44,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 18:32:44,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-03 18:32:44,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-03 18:32:44,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:32:44,641 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 18:32:44,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2023-05-03 18:32:44,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:32:44,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:32:44,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-03 18:32:44,761 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-03 18:32:44,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 18:32:44,761 INFO L85 PathProgramCache]: Analyzing trace with hash -1823332353, now seen corresponding path program 1 times [2023-05-03 18:32:44,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 18:32:44,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725074808] [2023-05-03 18:32:44,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 18:32:44,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 18:32:44,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 18:32:44,872 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-05-03 18:32:44,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 18:32:44,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725074808] [2023-05-03 18:32:44,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725074808] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-03 18:32:44,873 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-03 18:32:44,873 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-03 18:32:44,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723405876] [2023-05-03 18:32:44,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-03 18:32:44,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-03 18:32:44,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 18:32:44,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-03 18:32:44,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-05-03 18:32:44,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:32:44,876 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 18:32:44,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 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) [2023-05-03 18:32:44,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:32:44,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:32:44,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:32:44,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:32:44,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-03 18:32:44,945 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-03 18:32:44,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 18:32:44,946 INFO L85 PathProgramCache]: Analyzing trace with hash 1735640829, now seen corresponding path program 1 times [2023-05-03 18:32:44,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 18:32:44,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132569567] [2023-05-03 18:32:44,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 18:32:44,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 18:32:44,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 18:32:45,034 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-03 18:32:45,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 18:32:45,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132569567] [2023-05-03 18:32:45,035 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132569567] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-03 18:32:45,035 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-03 18:32:45,035 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-03 18:32:45,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598405689] [2023-05-03 18:32:45,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-03 18:32:45,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-03 18:32:45,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 18:32:45,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-03 18:32:45,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-05-03 18:32:45,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:32:45,037 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 18:32:45,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 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) [2023-05-03 18:32:45,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:32:45,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:32:45,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:32:45,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:32:45,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:32:45,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:32:45,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-03 18:32:45,090 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-03 18:32:45,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 18:32:45,090 INFO L85 PathProgramCache]: Analyzing trace with hash -1504124583, now seen corresponding path program 1 times [2023-05-03 18:32:45,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 18:32:45,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050915384] [2023-05-03 18:32:45,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 18:32:45,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 18:32:45,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 18:32:45,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 18:32:45,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 18:32:45,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050915384] [2023-05-03 18:32:45,138 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050915384] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-03 18:32:45,138 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-03 18:32:45,138 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-03 18:32:45,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657305342] [2023-05-03 18:32:45,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-03 18:32:45,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-03 18:32:45,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 18:32:45,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-03 18:32:45,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-03 18:32:45,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:32:45,140 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 18:32:45,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 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) [2023-05-03 18:32:45,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:32:45,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:32:45,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:32:45,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:32:45,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:32:45,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:32:45,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:32:45,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:32:45,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-05-03 18:32:45,180 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-03 18:32:45,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 18:32:45,181 INFO L85 PathProgramCache]: Analyzing trace with hash -2101605417, now seen corresponding path program 1 times [2023-05-03 18:32:45,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 18:32:45,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296013835] [2023-05-03 18:32:45,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 18:32:45,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 18:32:45,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 18:32:45,254 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 18:32:45,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 18:32:45,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296013835] [2023-05-03 18:32:45,255 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296013835] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-03 18:32:45,255 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-03 18:32:45,255 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-03 18:32:45,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530803051] [2023-05-03 18:32:45,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-03 18:32:45,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-03 18:32:45,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 18:32:45,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-03 18:32:45,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-05-03 18:32:45,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:32:45,258 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 18:32:45,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 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) [2023-05-03 18:32:45,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:32:45,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:32:45,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:32:45,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:32:45,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:32:45,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:32:45,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:32:45,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:32:45,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:32:45,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:32:45,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-05-03 18:32:45,567 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-03 18:32:45,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 18:32:45,568 INFO L85 PathProgramCache]: Analyzing trace with hash 1752967755, now seen corresponding path program 1 times [2023-05-03 18:32:45,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 18:32:45,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10929029] [2023-05-03 18:32:45,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 18:32:45,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 18:32:45,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 18:32:45,679 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 24 proven. 3 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-05-03 18:32:45,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 18:32:45,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10929029] [2023-05-03 18:32:45,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10929029] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 18:32:45,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1629283154] [2023-05-03 18:32:45,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 18:32:45,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:32:45,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 18:32:45,689 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) [2023-05-03 18:32:45,710 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-03 18:32:45,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 18:32:45,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 4 conjunts are in the unsatisfiable core [2023-05-03 18:32:45,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 18:32:45,847 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-05-03 18:32:45,848 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 18:32:45,924 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-05-03 18:32:45,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1629283154] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 18:32:45,924 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 18:32:45,924 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 6 [2023-05-03 18:32:45,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251658834] [2023-05-03 18:32:45,925 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 18:32:45,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-03 18:32:45,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 18:32:45,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-03 18:32:45,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-05-03 18:32:45,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:32:45,928 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 18:32:45,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 6 states have internal predecessors, (56), 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) [2023-05-03 18:32:45,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:32:45,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:32:45,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:32:45,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:32:45,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:32:45,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:32:46,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:32:46,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:32:46,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:32:46,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:32:46,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:32:46,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-03 18:32:46,175 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-03 18:32:46,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-05-03 18:32:46,372 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-03 18:32:46,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 18:32:46,372 INFO L85 PathProgramCache]: Analyzing trace with hash 608925295, now seen corresponding path program 2 times [2023-05-03 18:32:46,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 18:32:46,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828298033] [2023-05-03 18:32:46,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 18:32:46,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 18:32:46,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 18:32:46,443 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-05-03 18:32:46,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 18:32:46,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828298033] [2023-05-03 18:32:46,444 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828298033] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-03 18:32:46,444 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-03 18:32:46,444 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-03 18:32:46,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140480162] [2023-05-03 18:32:46,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-03 18:32:46,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-03 18:32:46,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 18:32:46,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-03 18:32:46,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-03 18:32:46,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:32:46,446 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 18:32:46,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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) [2023-05-03 18:32:46,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:32:46,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:32:46,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:32:46,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:32:46,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:32:46,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-03 18:32:46,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:32:46,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:32:46,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:32:46,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:32:46,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:32:46,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:32:46,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-03 18:32:46,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:32:46,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-05-03 18:32:46,526 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-03 18:32:46,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 18:32:46,526 INFO L85 PathProgramCache]: Analyzing trace with hash -1368157409, now seen corresponding path program 3 times [2023-05-03 18:32:46,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 18:32:46,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055614840] [2023-05-03 18:32:46,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 18:32:46,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 18:32:46,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 18:32:46,833 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 84 proven. 19 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-05-03 18:32:46,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 18:32:46,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055614840] [2023-05-03 18:32:46,834 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055614840] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 18:32:46,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1382764748] [2023-05-03 18:32:46,835 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-03 18:32:46,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:32:46,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 18:32:46,836 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) [2023-05-03 18:32:46,862 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-03 18:32:46,893 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-05-03 18:32:46,893 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 18:32:46,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 8 conjunts are in the unsatisfiable core [2023-05-03 18:32:46,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 18:32:46,952 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2023-05-03 18:32:46,953 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-03 18:32:46,953 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1382764748] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-03 18:32:46,953 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-03 18:32:46,953 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 7 [2023-05-03 18:32:46,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926906848] [2023-05-03 18:32:46,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-03 18:32:46,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-03 18:32:46,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 18:32:46,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-03 18:32:46,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-05-03 18:32:46,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:32:46,955 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 18:32:46,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 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) [2023-05-03 18:32:46,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:32:46,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:32:46,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:32:46,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:32:46,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:32:46,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-03 18:32:46,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:32:46,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:32:47,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:32:47,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:32:47,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:32:47,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:32:47,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:32:47,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-03 18:32:47,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:32:47,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:32:47,144 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-03 18:32:47,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:32:47,333 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-03 18:32:47,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 18:32:47,334 INFO L85 PathProgramCache]: Analyzing trace with hash 1061591593, now seen corresponding path program 4 times [2023-05-03 18:32:47,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 18:32:47,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992604233] [2023-05-03 18:32:47,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 18:32:47,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 18:32:47,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 18:32:47,505 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 52 proven. 86 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-03 18:32:47,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 18:32:47,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992604233] [2023-05-03 18:32:47,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992604233] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 18:32:47,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1209898562] [2023-05-03 18:32:47,510 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-03 18:32:47,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:32:47,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 18:32:47,512 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) [2023-05-03 18:32:47,536 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-03 18:32:47,571 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-03 18:32:47,571 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 18:32:47,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 14 conjunts are in the unsatisfiable core [2023-05-03 18:32:47,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 18:32:47,964 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 14 proven. 132 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-03 18:32:47,965 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 18:32:48,103 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 52 proven. 86 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-03 18:32:48,104 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1209898562] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 18:32:48,104 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 18:32:48,104 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 13, 9] total 21 [2023-05-03 18:32:48,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662669561] [2023-05-03 18:32:48,105 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 18:32:48,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-05-03 18:32:48,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 18:32:48,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-05-03 18:32:48,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=366, Unknown=0, NotChecked=0, Total=462 [2023-05-03 18:32:48,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:32:48,106 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 18:32:48,107 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 5.863636363636363) internal successors, (129), 21 states have internal predecessors, (129), 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) [2023-05-03 18:32:48,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:32:48,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:32:48,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:32:48,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:32:48,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:32:48,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-03 18:32:48,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:32:48,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:32:48,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:32:49,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:32:49,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:32:49,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:32:49,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:32:49,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:32:49,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-03 18:32:49,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:32:49,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:32:49,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-05-03 18:32:49,244 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-03 18:32:49,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:32:49,437 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-03 18:32:49,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 18:32:49,438 INFO L85 PathProgramCache]: Analyzing trace with hash -85101883, now seen corresponding path program 5 times [2023-05-03 18:32:49,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 18:32:49,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534312036] [2023-05-03 18:32:49,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 18:32:49,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 18:32:49,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 18:32:51,593 INFO L134 CoverageAnalysis]: Checked inductivity of 1390 backedges. 607 proven. 758 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-05-03 18:32:51,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 18:32:51,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534312036] [2023-05-03 18:32:51,594 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534312036] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 18:32:51,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [551323367] [2023-05-03 18:32:51,594 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-03 18:32:51,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:32:51,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 18:32:51,596 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) [2023-05-03 18:32:51,609 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-03 18:32:51,737 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2023-05-03 18:32:51,737 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 18:32:51,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 38 conjunts are in the unsatisfiable core [2023-05-03 18:32:51,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 18:32:52,087 INFO L134 CoverageAnalysis]: Checked inductivity of 1390 backedges. 1217 proven. 16 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2023-05-03 18:32:52,088 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 18:32:52,816 INFO L134 CoverageAnalysis]: Checked inductivity of 1390 backedges. 1217 proven. 16 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2023-05-03 18:32:52,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [551323367] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 18:32:52,817 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 18:32:52,817 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 8, 8] total 40 [2023-05-03 18:32:52,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621229516] [2023-05-03 18:32:52,817 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 18:32:52,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2023-05-03 18:32:52,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 18:32:52,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2023-05-03 18:32:52,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=239, Invalid=1321, Unknown=0, NotChecked=0, Total=1560 [2023-05-03 18:32:52,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:32:52,819 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 18:32:52,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 6.35) internal successors, (254), 40 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) [2023-05-03 18:32:52,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:32:52,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:32:52,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:32:52,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:32:52,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:32:52,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-03 18:32:52,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:32:52,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:32:52,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-05-03 18:32:52,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:33:00,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:33:00,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:33:00,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:33:00,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:33:00,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:33:00,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-03 18:33:00,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:33:00,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:33:00,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-05-03 18:33:00,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 247 states. [2023-05-03 18:33:00,778 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-03 18:33:00,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-05-03 18:33:00,975 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-03 18:33:00,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 18:33:00,975 INFO L85 PathProgramCache]: Analyzing trace with hash 869799587, now seen corresponding path program 6 times [2023-05-03 18:33:00,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 18:33:00,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778616437] [2023-05-03 18:33:00,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 18:33:00,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 18:33:01,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 18:33:04,338 INFO L134 CoverageAnalysis]: Checked inductivity of 3098 backedges. 1813 proven. 1252 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-05-03 18:33:04,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 18:33:04,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778616437] [2023-05-03 18:33:04,338 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778616437] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 18:33:04,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [76972753] [2023-05-03 18:33:04,338 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-03 18:33:04,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:33:04,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 18:33:04,342 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 18:33:04,363 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-03 18:33:04,617 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 27 check-sat command(s) [2023-05-03 18:33:04,617 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 18:33:04,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 54 conjunts are in the unsatisfiable core [2023-05-03 18:33:04,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 18:33:06,898 INFO L134 CoverageAnalysis]: Checked inductivity of 3098 backedges. 53 proven. 3042 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-03 18:33:06,898 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 18:33:08,094 INFO L134 CoverageAnalysis]: Checked inductivity of 3098 backedges. 1837 proven. 1206 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-05-03 18:33:08,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [76972753] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 18:33:08,095 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 18:33:08,095 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 53, 27] total 114 [2023-05-03 18:33:08,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911110284] [2023-05-03 18:33:08,095 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 18:33:08,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 115 states [2023-05-03 18:33:08,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 18:33:08,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 115 interpolants. [2023-05-03 18:33:08,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1373, Invalid=11737, Unknown=0, NotChecked=0, Total=13110 [2023-05-03 18:33:08,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:33:08,103 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 18:33:08,103 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 115 states, 115 states have (on average 5.973913043478261) internal successors, (687), 114 states have internal predecessors, (687), 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) [2023-05-03 18:33:08,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:33:08,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:33:08,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:33:08,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:33:08,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:33:08,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-03 18:33:08,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:33:08,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:33:08,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-05-03 18:33:08,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 247 states. [2023-05-03 18:33:08,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:33:28,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:33:28,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:33:28,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:33:28,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:33:28,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:33:28,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-03 18:33:28,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:33:28,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:33:28,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-05-03 18:33:28,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 267 states. [2023-05-03 18:33:28,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 439 states. [2023-05-03 18:33:28,715 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-03 18:33:28,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:33:28,900 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-03 18:33:28,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 18:33:28,900 INFO L85 PathProgramCache]: Analyzing trace with hash 984142883, now seen corresponding path program 7 times [2023-05-03 18:33:28,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 18:33:28,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344600528] [2023-05-03 18:33:28,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 18:33:28,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 18:33:29,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 18:33:39,217 INFO L134 CoverageAnalysis]: Checked inductivity of 10259 backedges. 6833 proven. 3299 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2023-05-03 18:33:39,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 18:33:39,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344600528] [2023-05-03 18:33:39,217 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344600528] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 18:33:39,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [667031565] [2023-05-03 18:33:39,218 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-03 18:33:39,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:33:39,218 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 18:33:39,221 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 18:33:39,222 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-03 18:33:39,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 18:33:39,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 1188 conjuncts, 108 conjunts are in the unsatisfiable core [2023-05-03 18:33:39,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 18:33:40,387 INFO L134 CoverageAnalysis]: Checked inductivity of 10259 backedges. 9603 proven. 138 refuted. 0 times theorem prover too weak. 518 trivial. 0 not checked. [2023-05-03 18:33:40,387 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 18:33:42,375 INFO L134 CoverageAnalysis]: Checked inductivity of 10259 backedges. 9603 proven. 138 refuted. 0 times theorem prover too weak. 518 trivial. 0 not checked. [2023-05-03 18:33:42,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [667031565] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 18:33:42,376 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 18:33:42,376 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [61, 17, 17] total 86 [2023-05-03 18:33:42,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159679110] [2023-05-03 18:33:42,376 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 18:33:42,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 87 states [2023-05-03 18:33:42,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 18:33:42,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2023-05-03 18:33:42,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1329, Invalid=6153, Unknown=0, NotChecked=0, Total=7482 [2023-05-03 18:33:42,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:33:42,381 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 18:33:42,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 87 states, 87 states have (on average 7.252873563218391) internal successors, (631), 86 states have internal predecessors, (631), 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) [2023-05-03 18:33:42,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:33:42,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:33:42,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:33:42,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:33:42,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:33:42,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-03 18:33:42,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:33:42,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:33:42,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-05-03 18:33:42,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 267 states. [2023-05-03 18:33:42,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 439 states. [2023-05-03 18:33:42,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:34:02,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:34:02,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:34:02,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:34:02,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:34:02,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:34:02,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-03 18:34:02,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:34:02,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:34:02,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-05-03 18:34:02,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 267 states. [2023-05-03 18:34:02,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 509 states. [2023-05-03 18:34:02,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 392 states. [2023-05-03 18:34:02,103 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-05-03 18:34:02,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:34:02,285 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-03 18:34:02,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 18:34:02,286 INFO L85 PathProgramCache]: Analyzing trace with hash -1903278811, now seen corresponding path program 8 times [2023-05-03 18:34:02,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 18:34:02,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165569467] [2023-05-03 18:34:02,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 18:34:02,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 18:34:02,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 18:34:18,376 INFO L134 CoverageAnalysis]: Checked inductivity of 18337 backedges. 10326 proven. 7933 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-05-03 18:34:18,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 18:34:18,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165569467] [2023-05-03 18:34:18,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165569467] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 18:34:18,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [467547720] [2023-05-03 18:34:18,377 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-03 18:34:18,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:34:18,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 18:34:18,381 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 18:34:18,382 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-05-03 18:34:18,611 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-03 18:34:18,611 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 18:34:18,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 1639 conjuncts, 128 conjunts are in the unsatisfiable core [2023-05-03 18:34:18,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 18:34:19,975 INFO L134 CoverageAnalysis]: Checked inductivity of 18337 backedges. 15429 proven. 1611 refuted. 0 times theorem prover too weak. 1297 trivial. 0 not checked. [2023-05-03 18:34:19,975 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 18:34:25,556 INFO L134 CoverageAnalysis]: Checked inductivity of 18337 backedges. 15429 proven. 1611 refuted. 0 times theorem prover too weak. 1297 trivial. 0 not checked. [2023-05-03 18:34:25,556 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [467547720] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 18:34:25,556 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 18:34:25,557 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [94, 19, 19] total 113 [2023-05-03 18:34:25,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713979960] [2023-05-03 18:34:25,557 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 18:34:25,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 114 states [2023-05-03 18:34:25,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 18:34:25,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 114 interpolants. [2023-05-03 18:34:25,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2028, Invalid=10854, Unknown=0, NotChecked=0, Total=12882 [2023-05-03 18:34:25,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:34:25,564 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 18:34:25,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 114 states, 114 states have (on average 6.56140350877193) internal successors, (748), 113 states have internal predecessors, (748), 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) [2023-05-03 18:34:25,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:34:25,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:34:25,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:34:25,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:34:25,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:34:25,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-03 18:34:25,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:34:25,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:34:25,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-05-03 18:34:25,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 267 states. [2023-05-03 18:34:25,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 509 states. [2023-05-03 18:34:25,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 392 states. [2023-05-03 18:34:25,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:34:47,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:34:47,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:34:47,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:34:47,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:34:47,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:34:47,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-03 18:34:47,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 18:34:47,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 18:34:47,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-05-03 18:34:47,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 276 states. [2023-05-03 18:34:47,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 515 states. [2023-05-03 18:34:47,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 414 states. [2023-05-03 18:34:47,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 361 states. [2023-05-03 18:34:47,427 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-05-03 18:34:47,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-05-03 18:34:47,609 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-03 18:34:47,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 18:34:47,609 INFO L85 PathProgramCache]: Analyzing trace with hash 402720353, now seen corresponding path program 9 times [2023-05-03 18:34:47,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 18:34:47,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189013184] [2023-05-03 18:34:47,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 18:34:47,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 18:35:02,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 18:40:42,141 INFO L134 CoverageAnalysis]: Checked inductivity of 21714 backedges. 3253 proven. 18434 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-05-03 18:40:42,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 18:40:42,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189013184] [2023-05-03 18:40:42,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189013184] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 18:40:42,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [981237119] [2023-05-03 18:40:42,142 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-03 18:40:42,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:40:42,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 18:40:42,149 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 18:40:42,150 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-05-03 18:40:46,250 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 60 check-sat command(s) [2023-05-03 18:40:46,251 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 18:40:46,275 WARN L261 TraceCheckSpWp]: Trace formula consists of 1781 conjuncts, 1289 conjunts are in the unsatisfiable core [2023-05-03 18:40:46,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2023-05-03 18:45:42,737 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-03 18:45:42,737 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 [2023-05-03 18:45:42,737 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-03 18:45:42,746 WARN L249 SmtUtils]: Removed 2 from assertion stack [2023-05-03 18:45:42,748 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (4 of 5 remaining) [2023-05-03 18:45:42,768 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-05-03 18:45:42,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-05-03 18:45:42,949 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 680 with TraceHistMax 66,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 26ms.. [2023-05-03 18:45:42,952 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2023-05-03 18:45:42,952 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2023-05-03 18:45:42,952 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2023-05-03 18:45:42,952 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2023-05-03 18:45:42,959 INFO L444 BasicCegarLoop]: Path program histogram: [9, 1, 1, 1, 1, 1] [2023-05-03 18:45:42,962 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-03 18:45:42,962 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-03 18:45:42,964 INFO L202 PluginConnector]: Adding new model buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.05 06:45:42 BasicIcfg [2023-05-03 18:45:42,964 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-03 18:45:42,965 INFO L158 Benchmark]: Toolchain (without parser) took 779428.48ms. Allocated memory was 127.9MB in the beginning and 2.9GB in the end (delta: 2.7GB). Free memory was 91.4MB in the beginning and 793.8MB in the end (delta: -702.4MB). Peak memory consumption was 2.0GB. Max. memory is 8.0GB. [2023-05-03 18:45:42,965 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.13ms. Allocated memory is still 127.9MB. Free memory was 92.7MB in the beginning and 92.6MB in the end (delta: 134.3kB). There was no memory consumed. Max. memory is 8.0GB. [2023-05-03 18:45:42,965 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.67ms. Allocated memory is still 127.9MB. Free memory was 91.4MB in the beginning and 89.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-03 18:45:42,965 INFO L158 Benchmark]: Boogie Preprocessor took 21.95ms. Allocated memory is still 127.9MB. Free memory was 89.8MB in the beginning and 88.8MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-03 18:45:42,966 INFO L158 Benchmark]: RCFGBuilder took 240.43ms. Allocated memory was 127.9MB in the beginning and 163.6MB in the end (delta: 35.7MB). Free memory was 88.6MB in the beginning and 140.9MB in the end (delta: -52.3MB). Peak memory consumption was 12.7MB. Max. memory is 8.0GB. [2023-05-03 18:45:42,966 INFO L158 Benchmark]: TraceAbstraction took 779130.40ms. Allocated memory was 163.6MB in the beginning and 2.9GB in the end (delta: 2.7GB). Free memory was 139.9MB in the beginning and 793.8MB in the end (delta: -653.9MB). Peak memory consumption was 2.0GB. Max. memory is 8.0GB. [2023-05-03 18:45:42,967 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.13ms. Allocated memory is still 127.9MB. Free memory was 92.7MB in the beginning and 92.6MB in the end (delta: 134.3kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 26.67ms. Allocated memory is still 127.9MB. Free memory was 91.4MB in the beginning and 89.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 21.95ms. Allocated memory is still 127.9MB. Free memory was 89.8MB in the beginning and 88.8MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 240.43ms. Allocated memory was 127.9MB in the beginning and 163.6MB in the end (delta: 35.7MB). Free memory was 88.6MB in the beginning and 140.9MB in the end (delta: -52.3MB). Peak memory consumption was 12.7MB. Max. memory is 8.0GB. * TraceAbstraction took 779130.40ms. Allocated memory was 163.6MB in the beginning and 2.9GB in the end (delta: 2.7GB). Free memory was 139.9MB in the beginning and 793.8MB in the end (delta: -653.9MB). Peak memory consumption was 2.0GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 297977, independent: 252116, independent conditional: 251170, independent unconditional: 946, dependent: 45861, dependent conditional: 45851, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 255634, independent: 252116, independent conditional: 251170, independent unconditional: 946, dependent: 3518, dependent conditional: 3508, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 255634, independent: 252116, independent conditional: 251170, independent unconditional: 946, dependent: 3518, dependent conditional: 3508, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 390643, independent: 252116, independent conditional: 20473, independent unconditional: 231643, dependent: 138527, dependent conditional: 114536, dependent unconditional: 23991, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 390643, independent: 252116, independent conditional: 20473, independent unconditional: 231643, dependent: 138527, dependent conditional: 101392, dependent unconditional: 37135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 390643, independent: 252116, independent conditional: 20473, independent unconditional: 231643, dependent: 138527, dependent conditional: 101392, dependent unconditional: 37135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3217, independent: 1541, independent conditional: 720, independent unconditional: 821, dependent: 1676, dependent conditional: 1666, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3217, independent: 806, independent conditional: 0, independent unconditional: 806, dependent: 2411, dependent conditional: 0, dependent unconditional: 2411, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 2411, independent: 735, independent conditional: 720, independent unconditional: 15, dependent: 1676, dependent conditional: 1666, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2411, independent: 735, independent conditional: 720, independent unconditional: 15, dependent: 1676, dependent conditional: 1666, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3441, independent: 1044, independent conditional: 957, independent unconditional: 87, dependent: 2397, dependent conditional: 2300, dependent unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 390643, independent: 250575, independent conditional: 19753, independent unconditional: 230822, dependent: 136851, dependent conditional: 99726, dependent unconditional: 37125, unknown: 3217, unknown conditional: 2386, unknown unconditional: 831] , Statistics on independence cache: Total cache size (in pairs): 3217, Positive cache size: 1541, Positive conditional cache size: 720, Positive unconditional cache size: 821, Negative cache size: 1676, Negative conditional cache size: 1666, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 13144, Maximal queried relation: 12, Independence queries for same thread: 42343 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.3s, Number of persistent set computation: 436, Number of trivial persistent sets: 150, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 956, independent: 946, independent conditional: 0, independent unconditional: 946, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 297977, independent: 252116, independent conditional: 251170, independent unconditional: 946, dependent: 45861, dependent conditional: 45851, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 255634, independent: 252116, independent conditional: 251170, independent unconditional: 946, dependent: 3518, dependent conditional: 3508, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 255634, independent: 252116, independent conditional: 251170, independent unconditional: 946, dependent: 3518, dependent conditional: 3508, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 390643, independent: 252116, independent conditional: 20473, independent unconditional: 231643, dependent: 138527, dependent conditional: 114536, dependent unconditional: 23991, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 390643, independent: 252116, independent conditional: 20473, independent unconditional: 231643, dependent: 138527, dependent conditional: 101392, dependent unconditional: 37135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 390643, independent: 252116, independent conditional: 20473, independent unconditional: 231643, dependent: 138527, dependent conditional: 101392, dependent unconditional: 37135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3217, independent: 1541, independent conditional: 720, independent unconditional: 821, dependent: 1676, dependent conditional: 1666, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3217, independent: 806, independent conditional: 0, independent unconditional: 806, dependent: 2411, dependent conditional: 0, dependent unconditional: 2411, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 2411, independent: 735, independent conditional: 720, independent unconditional: 15, dependent: 1676, dependent conditional: 1666, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2411, independent: 735, independent conditional: 720, independent unconditional: 15, dependent: 1676, dependent conditional: 1666, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3441, independent: 1044, independent conditional: 957, independent unconditional: 87, dependent: 2397, dependent conditional: 2300, dependent unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 390643, independent: 250575, independent conditional: 19753, independent unconditional: 230822, dependent: 136851, dependent conditional: 99726, dependent unconditional: 37125, unknown: 3217, unknown conditional: 2386, unknown unconditional: 831] , Statistics on independence cache: Total cache size (in pairs): 3217, Positive cache size: 1541, Positive conditional cache size: 720, Positive unconditional cache size: 821, Negative cache size: 1676, Negative conditional cache size: 1666, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 13144, Maximal queried relation: 12, Independence queries for same thread: 42343 - TimeoutResultAtElement [Line: 82]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 680 with TraceHistMax 66,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 26ms.. - TimeoutResultAtElement [Line: 73]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 680 with TraceHistMax 66,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 26ms.. - TimeoutResultAtElement [Line: 73]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 680 with TraceHistMax 66,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 26ms.. - TimeoutResultAtElement [Line: 74]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 680 with TraceHistMax 66,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 26ms.. - TimeoutResultAtElement [Line: 75]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 680 with TraceHistMax 66,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 26ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 54 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 779.0s, OverallIterations: 14, TraceHistogramMax: 0, PathProgramHistogramMax: 9, EmptinessCheckTime: 72.5s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1646, 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: 0.2s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 47.5s InterpolantComputationTime, 3639 NumberOfCodeBlocks, 3598 NumberOfCodeBlocksAsserted, 64 NumberOfCheckSat, 5264 ConstructedInterpolants, 0 QuantifiedInterpolants, 28130 SizeOfPredicates, 8 NumberOfNonLiveVariables, 4431 ConjunctsInSsa, 354 ConjunctsInUnsatCore, 26 InterpolantComputations, 7 PerfectInterpolantSequences, 79000/100348 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