/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/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/bluetooth.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-87fd7473a0bda1db0ad7f77f2116346063730f21-87fd747 [2021-08-21 12:29:31,261 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-21 12:29:31,264 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-21 12:29:31,294 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-21 12:29:31,378 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2021-08-21 12:29:31,406 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-21 12:29:31,406 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-21 12:29:31,407 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-21 12:29:31,407 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-21 12:29:31,409 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-21 12:29:31,409 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-21 12:29:31,410 INFO L138 SettingsManager]: * Use SBE=true [2021-08-21 12:29:31,410 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-21 12:29:31,410 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-21 12:29:31,410 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-21 12:29:31,411 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-21 12:29:31,411 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-21 12:29:31,411 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-21 12:29:31,411 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-21 12:29:31,411 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-21 12:29:31,411 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-21 12:29:31,411 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-21 12:29:31,412 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-21 12:29:31,412 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-21 12:29:31,412 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-21 12:29:31,412 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-21 12:29:31,412 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-21 12:29:31,412 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-21 12:29:31,412 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-21 12:29:31,412 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-21 12:29:31,412 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-21 12:29:31,413 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-21 12:29:31,413 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-21 12:29:31,413 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-21 12:29:31,413 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-21 12:29:31,413 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-21 12:29:31,413 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-21 12:29:31,661 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-21 12:29:31,674 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-21 12:29:31,676 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-21 12:29:31,676 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-21 12:29:31,677 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-21 12:29:31,678 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/bluetooth.wvr.bpl [2021-08-21 12:29:31,678 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/bluetooth.wvr.bpl' [2021-08-21 12:29:31,705 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-21 12:29:31,706 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-21 12:29:31,707 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-21 12:29:31,708 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-21 12:29:31,708 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-21 12:29:31,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.08 12:29:31" (1/1) ... [2021-08-21 12:29:31,721 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.08 12:29:31" (1/1) ... [2021-08-21 12:29:31,727 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-21 12:29:31,728 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-21 12:29:31,728 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-21 12:29:31,729 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-21 12:29:31,734 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.08 12:29:31" (1/1) ... [2021-08-21 12:29:31,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.08 12:29:31" (1/1) ... [2021-08-21 12:29:31,734 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.08 12:29:31" (1/1) ... [2021-08-21 12:29:31,735 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.08 12:29:31" (1/1) ... [2021-08-21 12:29:31,737 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.08 12:29:31" (1/1) ... [2021-08-21 12:29:31,739 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.08 12:29:31" (1/1) ... [2021-08-21 12:29:31,739 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.08 12:29:31" (1/1) ... [2021-08-21 12:29:31,740 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-21 12:29:31,740 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-21 12:29:31,740 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-21 12:29:31,740 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-21 12:29:31,742 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.08 12:29:31" (1/1) ... [2021-08-21 12:29:31,748 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-21 12:29:31,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 12:29:31,766 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) [2021-08-21 12:29:31,769 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 [2021-08-21 12:29:31,793 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-08-21 12:29:31,793 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-08-21 12:29:31,793 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-08-21 12:29:31,793 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-08-21 12:29:31,793 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-08-21 12:29:31,793 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-08-21 12:29:31,793 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-21 12:29:31,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-21 12:29:31,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-21 12:29:31,794 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-21 12:29:31,916 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-21 12:29:31,917 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-08-21 12:29:31,918 INFO L202 PluginConnector]: Adding new model bluetooth.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 12:29:31 BoogieIcfgContainer [2021-08-21 12:29:31,918 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-21 12:29:31,919 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-21 12:29:31,920 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-21 12:29:31,921 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-21 12:29:31,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.08 12:29:31" (1/2) ... [2021-08-21 12:29:31,922 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ebfa825 and model type bluetooth.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 12:29:31, skipping insertion in model container [2021-08-21 12:29:31,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 12:29:31" (2/2) ... [2021-08-21 12:29:31,923 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth.wvr.bpl [2021-08-21 12:29:31,926 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-21 12:29:31,926 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-21 12:29:31,926 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-21 12:29:31,926 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-21 12:29:31,969 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-08-21 12:29:32,014 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-21 12:29:32,018 INFO L339 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, mConcurrency=FINITE_AUTOMATA, 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, mLoopAccelerationTechnique=FAST_UPR [2021-08-21 12:29:32,019 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-21 12:29:32,025 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 35 places, 30 transitions, 76 flow [2021-08-21 12:29:32,042 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 72 states, 71 states have (on average 1.8873239436619718) internal successors, (134), 71 states have internal predecessors, (134), 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) [2021-08-21 12:29:32,043 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 71 states have (on average 1.8873239436619718) internal successors, (134), 71 states have internal predecessors, (134), 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) [2021-08-21 12:29:32,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-08-21 12:29:32,049 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 12:29:32,049 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 12:29:32,050 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-21 12:29:32,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 12:29:32,053 INFO L82 PathProgramCache]: Analyzing trace with hash 353851478, now seen corresponding path program 1 times [2021-08-21 12:29:32,068 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 12:29:32,068 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600510961] [2021-08-21 12:29:32,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 12:29:32,069 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 12:29:32,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 12:29:32,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 12:29:32,219 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 12:29:32,220 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600510961] [2021-08-21 12:29:32,221 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600510961] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 12:29:32,221 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 12:29:32,221 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-21 12:29:32,222 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988842008] [2021-08-21 12:29:32,226 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-21 12:29:32,226 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 12:29:32,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-21 12:29:32,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-21 12:29:32,240 INFO L87 Difference]: Start difference. First operand has 72 states, 71 states have (on average 1.8873239436619718) internal successors, (134), 71 states have internal predecessors, (134), 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) Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2021-08-21 12:29:32,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 12:29:32,271 INFO L93 Difference]: Finished difference Result 93 states and 167 transitions. [2021-08-21 12:29:32,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 12:29:32,273 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) Word has length 22 [2021-08-21 12:29:32,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 12:29:32,281 INFO L225 Difference]: With dead ends: 93 [2021-08-21 12:29:32,281 INFO L226 Difference]: Without dead ends: 90 [2021-08-21 12:29:32,283 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-21 12:29:32,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2021-08-21 12:29:32,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 87. [2021-08-21 12:29:32,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 86 states have (on average 1.813953488372093) internal successors, (156), 86 states have internal predecessors, (156), 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) [2021-08-21 12:29:32,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 156 transitions. [2021-08-21 12:29:32,328 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 156 transitions. Word has length 22 [2021-08-21 12:29:32,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 12:29:32,328 INFO L470 AbstractCegarLoop]: Abstraction has 87 states and 156 transitions. [2021-08-21 12:29:32,329 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2021-08-21 12:29:32,329 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 156 transitions. [2021-08-21 12:29:32,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-08-21 12:29:32,332 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 12:29:32,332 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 12:29:32,332 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-21 12:29:32,333 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-21 12:29:32,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 12:29:32,337 INFO L82 PathProgramCache]: Analyzing trace with hash -1411723811, now seen corresponding path program 1 times [2021-08-21 12:29:32,337 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 12:29:32,337 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689244442] [2021-08-21 12:29:32,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 12:29:32,338 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 12:29:32,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 12:29:32,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 12:29:32,387 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 12:29:32,387 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689244442] [2021-08-21 12:29:32,387 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689244442] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 12:29:32,387 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 12:29:32,387 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-21 12:29:32,388 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375362205] [2021-08-21 12:29:32,389 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-21 12:29:32,389 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 12:29:32,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-21 12:29:32,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-21 12:29:32,391 INFO L87 Difference]: Start difference. First operand 87 states and 156 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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) [2021-08-21 12:29:32,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 12:29:32,420 INFO L93 Difference]: Finished difference Result 100 states and 175 transitions. [2021-08-21 12:29:32,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-21 12:29:32,421 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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) Word has length 23 [2021-08-21 12:29:32,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 12:29:32,422 INFO L225 Difference]: With dead ends: 100 [2021-08-21 12:29:32,422 INFO L226 Difference]: Without dead ends: 31 [2021-08-21 12:29:32,422 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.0ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-21 12:29:32,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-08-21 12:29:32,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2021-08-21 12:29:32,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 30 states have internal predecessors, (38), 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) [2021-08-21 12:29:32,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 38 transitions. [2021-08-21 12:29:32,425 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 38 transitions. Word has length 23 [2021-08-21 12:29:32,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 12:29:32,425 INFO L470 AbstractCegarLoop]: Abstraction has 31 states and 38 transitions. [2021-08-21 12:29:32,425 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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) [2021-08-21 12:29:32,425 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2021-08-21 12:29:32,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-08-21 12:29:32,425 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 12:29:32,426 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 12:29:32,426 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-21 12:29:32,426 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-21 12:29:32,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 12:29:32,426 INFO L82 PathProgramCache]: Analyzing trace with hash -304497587, now seen corresponding path program 1 times [2021-08-21 12:29:32,426 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 12:29:32,426 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330875223] [2021-08-21 12:29:32,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 12:29:32,427 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 12:29:32,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 12:29:32,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 12:29:32,469 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 12:29:32,469 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330875223] [2021-08-21 12:29:32,469 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330875223] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 12:29:32,469 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 12:29:32,470 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-21 12:29:32,470 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861532092] [2021-08-21 12:29:32,470 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-21 12:29:32,470 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 12:29:32,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-21 12:29:32,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-21 12:29:32,471 INFO L87 Difference]: Start difference. First operand 31 states and 38 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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) [2021-08-21 12:29:32,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 12:29:32,479 INFO L93 Difference]: Finished difference Result 29 states and 36 transitions. [2021-08-21 12:29:32,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-21 12:29:32,480 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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) Word has length 23 [2021-08-21 12:29:32,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 12:29:32,480 INFO L225 Difference]: With dead ends: 29 [2021-08-21 12:29:32,480 INFO L226 Difference]: Without dead ends: 0 [2021-08-21 12:29:32,480 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.3ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-21 12:29:32,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-21 12:29:32,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-21 12:29:32,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2021-08-21 12:29:32,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-21 12:29:32,481 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2021-08-21 12:29:32,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 12:29:32,481 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-21 12:29:32,481 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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) [2021-08-21 12:29:32,481 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-21 12:29:32,481 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-21 12:29:32,483 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT [2021-08-21 12:29:32,483 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-21 12:29:32,483 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-21 12:29:32,484 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-21 12:29:32,487 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-21 12:29:32,487 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-21 12:29:32,488 INFO L202 PluginConnector]: Adding new model bluetooth.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 12:29:32 BasicIcfg [2021-08-21 12:29:32,488 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-21 12:29:32,489 INFO L168 Benchmark]: Toolchain (without parser) took 782.71 ms. Allocated memory is still 208.7 MB. Free memory was 188.8 MB in the beginning and 165.2 MB in the end (delta: 23.6 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. [2021-08-21 12:29:32,490 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.09 ms. Allocated memory is still 208.7 MB. Free memory is still 189.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-21 12:29:32,490 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.63 ms. Allocated memory is still 208.7 MB. Free memory was 188.6 MB in the beginning and 187.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-21 12:29:32,490 INFO L168 Benchmark]: Boogie Preprocessor took 11.78 ms. Allocated memory is still 208.7 MB. Free memory was 187.2 MB in the beginning and 186.4 MB in the end (delta: 795.4 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-21 12:29:32,491 INFO L168 Benchmark]: RCFGBuilder took 178.15 ms. Allocated memory is still 208.7 MB. Free memory was 186.2 MB in the beginning and 174.8 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-08-21 12:29:32,491 INFO L168 Benchmark]: TraceAbstraction took 568.71 ms. Allocated memory is still 208.7 MB. Free memory was 174.3 MB in the beginning and 165.2 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-08-21 12:29:32,493 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 0.09 ms. Allocated memory is still 208.7 MB. Free memory is still 189.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 19.63 ms. Allocated memory is still 208.7 MB. Free memory was 188.6 MB in the beginning and 187.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 11.78 ms. Allocated memory is still 208.7 MB. Free memory was 187.2 MB in the beginning and 186.4 MB in the end (delta: 795.4 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 178.15 ms. Allocated memory is still 208.7 MB. Free memory was 186.2 MB in the beginning and 174.8 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 568.71 ms. Allocated memory is still 208.7 MB. Free memory was 174.3 MB in the beginning and 165.2 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 57]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 45 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 473.7ms, OverallIterations: 3, TraceHistogramMax: 1, EmptinessCheckTime: 10.1ms, AutomataDifference: 98.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 23.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 73 SDtfs, 38 SDslu, 59 SDs, 0 SdLazy, 10 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 27.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 24.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=87occurred in iteration=1, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 39.0ms AutomataMinimizationTime, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 18.1ms SsaConstructionTime, 39.5ms SatisfiabilityAnalysisTime, 130.6ms InterpolantComputationTime, 68 NumberOfCodeBlocks, 68 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 65 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-08-21 12:29:32,517 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...