/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy BADGER --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP -s ../../../trunk/examples/settings/gemcutter/SleepMap-ConcreteSmt-VarAbsGlobalSyntactic.epf --traceabstraction.coinflip.probability.value 15 --traceabstraction.coinflip.random.seed 13 --traceabstraction.coinflip.budget.determination.mode PURE -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2023/map-aggr-update1-3modifiers.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-e57bdd3-m [2022-10-06 06:14:39,139 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2022-10-06 06:14:39,238 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-06 06:14:39,251 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-06 06:14:39,252 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-06 06:14:39,254 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/SleepMap-ConcreteSmt-VarAbsGlobalSyntactic.epf [2022-10-06 06:14:39,292 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-06 06:14:39,293 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-06 06:14:39,293 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-06 06:14:39,294 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-06 06:14:39,295 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-06 06:14:39,295 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-06 06:14:39,297 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-06 06:14:39,298 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-06 06:14:39,298 INFO L138 SettingsManager]: * Use SBE=true [2022-10-06 06:14:39,298 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-06 06:14:39,299 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-06 06:14:39,299 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-06 06:14:39,299 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-06 06:14:39,299 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-06 06:14:39,300 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-06 06:14:39,300 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-06 06:14:39,300 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-06 06:14:39,300 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-06 06:14:39,300 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-06 06:14:39,300 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-06 06:14:39,300 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-06 06:14:39,301 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-06 06:14:39,301 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-06 06:14:39,301 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-06 06:14:39,301 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-06 06:14:39,301 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-06 06:14:39,301 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-06 06:14:39,301 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-06 06:14:39,302 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-06 06:14:39,302 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-06 06:14:39,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-06 06:14:39,302 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-06 06:14:39,302 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-10-06 06:14:39,303 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-06 06:14:39,303 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-06 06:14:39,303 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-10-06 06:14:39,303 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-06 06:14:39,303 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-06 06:14:39,304 INFO L138 SettingsManager]: * Number of independence relations to use for POR=2 [2022-10-06 06:14:39,304 INFO L138 SettingsManager]: * Independence relation used for POR in concurrent analysis=SYNTACTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> BADGER Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Coinflip probability value -> 15 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Coinflip random seed -> 13 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Coinflip budget determination mode -> PURE [2022-10-06 06:14:39,684 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-06 06:14:39,718 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-06 06:14:39,720 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-06 06:14:39,721 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-06 06:14:39,723 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-06 06:14:39,724 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/map-aggr-update1-3modifiers.bpl [2022-10-06 06:14:39,725 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/map-aggr-update1-3modifiers.bpl' [2022-10-06 06:14:39,755 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-06 06:14:39,757 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-10-06 06:14:39,758 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-06 06:14:39,758 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-06 06:14:39,758 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-06 06:14:39,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "map-aggr-update1-3modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:14:39" (1/1) ... [2022-10-06 06:14:39,783 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "map-aggr-update1-3modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:14:39" (1/1) ... [2022-10-06 06:14:39,796 INFO L138 Inliner]: procedures = 4, calls = 5, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-10-06 06:14:39,799 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-06 06:14:39,800 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-06 06:14:39,800 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-06 06:14:39,800 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-06 06:14:39,808 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "map-aggr-update1-3modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:14:39" (1/1) ... [2022-10-06 06:14:39,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "map-aggr-update1-3modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:14:39" (1/1) ... [2022-10-06 06:14:39,811 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "map-aggr-update1-3modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:14:39" (1/1) ... [2022-10-06 06:14:39,813 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "map-aggr-update1-3modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:14:39" (1/1) ... [2022-10-06 06:14:39,818 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "map-aggr-update1-3modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:14:39" (1/1) ... [2022-10-06 06:14:39,825 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "map-aggr-update1-3modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:14:39" (1/1) ... [2022-10-06 06:14:39,826 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "map-aggr-update1-3modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:14:39" (1/1) ... [2022-10-06 06:14:39,832 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-06 06:14:39,833 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-06 06:14:39,833 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-06 06:14:39,833 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-06 06:14:39,835 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "map-aggr-update1-3modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:14:39" (1/1) ... [2022-10-06 06:14:39,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-06 06:14:39,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-06 06:14:39,867 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) [2022-10-06 06:14:39,870 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 [2022-10-06 06:14:39,902 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-10-06 06:14:39,903 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-10-06 06:14:39,903 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-10-06 06:14:39,904 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-10-06 06:14:39,905 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-10-06 06:14:39,905 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-10-06 06:14:39,905 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-10-06 06:14:39,905 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-10-06 06:14:39,905 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-10-06 06:14:39,905 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-10-06 06:14:39,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-06 06:14:39,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-06 06:14:39,906 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-06 06:14:39,963 INFO L234 CfgBuilder]: Building ICFG [2022-10-06 06:14:39,966 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-06 06:14:40,149 INFO L275 CfgBuilder]: Performing block encoding [2022-10-06 06:14:40,156 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-06 06:14:40,157 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-06 06:14:40,163 INFO L202 PluginConnector]: Adding new model map-aggr-update1-3modifiers.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 06:14:40 BoogieIcfgContainer [2022-10-06 06:14:40,163 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-06 06:14:40,175 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-06 06:14:40,176 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-06 06:14:40,182 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-06 06:14:40,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "map-aggr-update1-3modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:14:39" (1/2) ... [2022-10-06 06:14:40,183 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@695a4e52 and model type map-aggr-update1-3modifiers.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 06:14:40, skipping insertion in model container [2022-10-06 06:14:40,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "map-aggr-update1-3modifiers.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 06:14:40" (2/2) ... [2022-10-06 06:14:40,188 INFO L112 eAbstractionObserver]: Analyzing ICFG map-aggr-update1-3modifiers.bpl [2022-10-06 06:14:40,197 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-06 06:14:40,217 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-06 06:14:40,218 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-06 06:14:40,218 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-06 06:14:40,342 INFO L144 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2022-10-06 06:14:40,398 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-06 06:14:40,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-06 06:14:40,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-06 06:14:40,407 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) [2022-10-06 06:14:40,409 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 [2022-10-06 06:14:40,441 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-06 06:14:40,477 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2022-10-06 06:14:40,478 WARN L162 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2022-10-06 06:14:40,478 WARN L163 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2022-10-06 06:14:40,497 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ======== [2022-10-06 06:14:40,509 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;@52303aae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-06 06:14:40,510 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-06 06:14:46,781 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 06:14:46,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 06:14:46,789 INFO L85 PathProgramCache]: Analyzing trace with hash -359259069, now seen corresponding path program 1 times [2022-10-06 06:14:46,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 06:14:46,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902843158] [2022-10-06 06:14:46,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 06:14:46,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 06:14:47,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 06:14:49,741 INFO L134 CoverageAnalysis]: Checked inductivity of 962 backedges. 143 proven. 813 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-06 06:14:49,742 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 06:14:49,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902843158] [2022-10-06 06:14:49,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902843158] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 06:14:49,743 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 06:14:49,744 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [75] total 75 [2022-10-06 06:14:49,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506176794] [2022-10-06 06:14:49,746 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 06:14:49,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 76 states [2022-10-06 06:14:49,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 06:14:49,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2022-10-06 06:14:49,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=571, Invalid=5129, Unknown=0, NotChecked=0, Total=5700 [2022-10-06 06:14:49,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 06:14:49,802 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 06:14:49,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 76 states, 75 states have (on average 2.6533333333333333) internal successors, (199), 76 states have internal predecessors, (199), 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) [2022-10-06 06:14:49,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 06:15:56,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2022-10-06 06:15:56,910 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-06 06:15:56,910 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 06:15:56,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 06:15:56,911 INFO L85 PathProgramCache]: Analyzing trace with hash 1681763557, now seen corresponding path program 1 times [2022-10-06 06:15:56,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 06:15:56,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438837465] [2022-10-06 06:15:56,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 06:15:56,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 06:15:57,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 06:15:57,352 INFO L134 CoverageAnalysis]: Checked inductivity of 1979 backedges. 101 proven. 1288 refuted. 0 times theorem prover too weak. 590 trivial. 0 not checked. [2022-10-06 06:15:57,353 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 06:15:57,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438837465] [2022-10-06 06:15:57,353 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438837465] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 06:15:57,353 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 06:15:57,353 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2022-10-06 06:15:57,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720851057] [2022-10-06 06:15:57,354 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 06:15:57,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-06 06:15:57,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 06:15:57,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-06 06:15:57,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2022-10-06 06:15:57,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 06:15:57,361 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 06:15:57,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 10.461538461538462) internal successors, (136), 13 states have internal predecessors, (136), 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) [2022-10-06 06:15:57,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2022-10-06 06:15:57,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2022-10-06 06:20:26,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-06 06:20:26,253 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2022-10-06 06:20:26,256 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-10-06 06:20:26,269 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 [2022-10-06 06:20:26,269 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 [2022-10-06 06:20:26,276 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-10-06 06:20:26,279 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT was TIMEOUT (1/6) [2022-10-06 06:20:26,283 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-10-06 06:20:26,284 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-06 06:20:26,291 INFO L202 PluginConnector]: Adding new model map-aggr-update1-3modifiers.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 06:20:26 BasicIcfg [2022-10-06 06:20:26,291 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-06 06:20:26,295 INFO L158 Benchmark]: Toolchain (without parser) took 346535.71ms. Allocated memory was 178.3MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 157.1MB in the beginning and 5.1GB in the end (delta: -5.0GB). Peak memory consumption was 3.2GB. Max. memory is 8.0GB. [2022-10-06 06:20:26,295 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.19ms. Allocated memory is still 178.3MB. Free memory is still 158.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-06 06:20:26,296 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.40ms. Allocated memory is still 178.3MB. Free memory was 157.0MB in the beginning and 155.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-10-06 06:20:26,296 INFO L158 Benchmark]: Boogie Preprocessor took 32.33ms. Allocated memory is still 178.3MB. Free memory was 155.4MB in the beginning and 154.4MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-10-06 06:20:26,297 INFO L158 Benchmark]: RCFGBuilder took 330.33ms. Allocated memory is still 178.3MB. Free memory was 154.4MB in the beginning and 144.9MB in the end (delta: 9.5MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-10-06 06:20:26,300 INFO L158 Benchmark]: TraceAbstraction took 346116.43ms. Allocated memory was 178.3MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 144.2MB in the beginning and 5.1GB in the end (delta: -5.0GB). Peak memory consumption was 3.2GB. Max. memory is 8.0GB. [2022-10-06 06:20:26,305 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 0.19ms. Allocated memory is still 178.3MB. Free memory is still 158.2MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 41.40ms. Allocated memory is still 178.3MB. Free memory was 157.0MB in the beginning and 155.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 32.33ms. Allocated memory is still 178.3MB. Free memory was 155.4MB in the beginning and 154.4MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 330.33ms. Allocated memory is still 178.3MB. Free memory was 154.4MB in the beginning and 144.9MB in the end (delta: 9.5MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 346116.43ms. Allocated memory was 178.3MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 144.2MB in the beginning and 5.1GB in the end (delta: -5.0GB). Peak memory consumption was 3.2GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 554895, positive: 513470, positive conditional: 513470, positive unconditional: 0, negative: 41425, negative conditional: 41425, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 26381457, positive: 24492839, positive conditional: 24492839, positive unconditional: 0, negative: 1888618, negative conditional: 1888618, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 24743198, positive: 24492839, positive conditional: 0, positive unconditional: 24492839, negative: 250359, negative conditional: 0, negative unconditional: 250359, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 887, positive: 871, positive conditional: 0, positive unconditional: 871, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 24743198, positive: 24491968, positive conditional: 0, positive unconditional: 24491968, negative: 250343, negative conditional: 0, negative unconditional: 250343, unknown: 887, unknown conditional: 0, unknown unconditional: 887] , Statistics on independence cache: Total cache size (in pairs): 455, Positive cache size: 447, Positive conditional cache size: 0, Positive unconditional cache size: 447, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Independence queries for same thread: 35266, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 5555182, positive: 5174157, positive conditional: 5174157, positive unconditional: 0, negative: 381025, negative conditional: 381025, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 26381457, positive: 24492839, positive conditional: 24492839, positive unconditional: 0, negative: 1888618, negative conditional: 1888618, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 24743198, positive: 24492839, positive conditional: 0, positive unconditional: 24492839, negative: 250359, negative conditional: 0, negative unconditional: 250359, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 887, positive: 871, positive conditional: 0, positive unconditional: 871, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 24743198, positive: 24491968, positive conditional: 0, positive unconditional: 24491968, negative: 250343, negative conditional: 0, negative unconditional: 250343, unknown: 887, unknown conditional: 0, unknown unconditional: 887] , Statistics on independence cache: Total cache size (in pairs): 873, Positive cache size: 857, Positive conditional cache size: 0, Positive unconditional cache size: 857, Negative cache size: 16, Negative conditional cache size: 0, Negative unconditional cache size: 16, Independence queries for same thread: 379706, Statistics for Abstraction: - StatisticsResult: Independence relation #3 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 20271380, positive: 18805212, positive conditional: 18805212, positive unconditional: 0, negative: 1466168, negative conditional: 1466168, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 26381457, positive: 24492839, positive conditional: 24492839, positive unconditional: 0, negative: 1888618, negative conditional: 1888618, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 24743198, positive: 24492839, positive conditional: 0, positive unconditional: 24492839, negative: 250359, negative conditional: 0, negative unconditional: 250359, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 887, positive: 871, positive conditional: 0, positive unconditional: 871, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 24743198, positive: 24491968, positive conditional: 0, positive unconditional: 24491968, negative: 250343, negative conditional: 0, negative unconditional: 250343, unknown: 887, unknown conditional: 0, unknown unconditional: 887] , Statistics on independence cache: Total cache size (in pairs): 887, Positive cache size: 871, Positive conditional cache size: 0, Positive unconditional cache size: 871, Negative cache size: 16, Negative conditional cache size: 0, Negative unconditional cache size: 16, Independence queries for same thread: 1638259, Statistics for Abstraction: - StatisticsResult: Independence relation #4 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 420160, positive: 105548, positive conditional: 105548, positive unconditional: 0, negative: 314612, negative conditional: 314612, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 143101, positive: 105548, positive conditional: 105548, positive unconditional: 0, negative: 37553, negative conditional: 37553, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 143101, positive: 105548, positive conditional: 105548, positive unconditional: 0, negative: 37553, negative conditional: 37553, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 210955, positive: 105548, positive conditional: 0, positive unconditional: 105548, negative: 105407, negative conditional: 67854, negative unconditional: 37553, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 210955, positive: 105548, positive conditional: 0, positive unconditional: 105548, negative: 105407, negative conditional: 46264, negative unconditional: 59143, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 210955, positive: 105548, positive conditional: 0, positive unconditional: 105548, negative: 105407, negative conditional: 46264, negative unconditional: 59143, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1330, positive: 748, positive conditional: 0, positive unconditional: 748, negative: 582, negative conditional: 570, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1330, positive: 738, positive conditional: 0, positive unconditional: 738, negative: 592, negative conditional: 0, negative unconditional: 592, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 592, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 582, negative conditional: 570, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1624, positive: 46, positive conditional: 0, positive unconditional: 46, negative: 1578, negative conditional: 1535, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 210955, positive: 104800, positive conditional: 0, positive unconditional: 104800, negative: 104825, negative conditional: 45694, negative unconditional: 59131, unknown: 1330, unknown conditional: 570, unknown unconditional: 760] , Statistics on independence cache: Total cache size (in pairs): 1330, Positive cache size: 748, Positive conditional cache size: 0, Positive unconditional cache size: 748, Negative cache size: 582, Negative conditional cache size: 570, Negative unconditional cache size: 12, Eliminated conditions: 21590, Maximal queried relation: 2, Independence queries for same thread: 277059 - TimeoutResultAtElement [Line: 45]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONASSERT with 1 thread instances CFG has 9 procedures, 76 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 345.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 342.3s, 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: 93, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 502 NumberOfCodeBlocks, 502 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 500 ConstructedInterpolants, 0 QuantifiedInterpolants, 3449 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 0 PerfectInterpolantSequences, 840/2941 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