/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-POR-NewStatesSleepPersistentFixedOrder-Uncond-NoLbe-Random7777.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/barrier.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2ce48c3f3f8970e6bfb7f04ced506932607c57fe-2ce48c3 [2021-10-25 09:21:42,258 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-25 09:21:42,260 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-25 09:21:42,317 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-10-25 09:21:42,355 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-25 09:21:42,355 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-25 09:21:42,356 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-25 09:21:42,362 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-POR-NewStatesSleepPersistentFixedOrder-Uncond-NoLbe-Random7777.epf [2021-10-25 09:21:42,390 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-25 09:21:42,390 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-25 09:21:42,391 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-25 09:21:42,391 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-25 09:21:42,392 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-25 09:21:42,392 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-25 09:21:42,392 INFO L138 SettingsManager]: * Use SBE=true [2021-10-25 09:21:42,393 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-25 09:21:42,393 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-25 09:21:42,393 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-25 09:21:42,394 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-25 09:21:42,394 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-25 09:21:42,394 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-25 09:21:42,394 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-25 09:21:42,394 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-25 09:21:42,394 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-25 09:21:42,394 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-25 09:21:42,394 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-25 09:21:42,395 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-25 09:21:42,395 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-25 09:21:42,395 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-25 09:21:42,395 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-25 09:21:42,395 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-25 09:21:42,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-25 09:21:42,395 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-25 09:21:42,395 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-25 09:21:42,396 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-25 09:21:42,397 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-25 09:21:42,397 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-10-25 09:21:42,397 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-25 09:21:42,397 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-25 09:21:42,397 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-25 09:21:42,397 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-25 09:21:42,397 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-25 09:21:42,398 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-25 09:21:42,398 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-25 09:21:42,398 INFO L138 SettingsManager]: * Random seed used by POR DFS order=7777 [2021-10-25 09:21:42,398 INFO L138 SettingsManager]: * Use conditional POR in concurrent analysis=false 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-25 09:21:42,602 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-25 09:21:42,620 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-25 09:21:42,622 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-25 09:21:42,623 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-10-25 09:21:42,624 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-10-25 09:21:42,624 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/barrier.wvr.bpl [2021-10-25 09:21:42,625 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/barrier.wvr.bpl' [2021-10-25 09:21:42,648 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-25 09:21:42,649 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-10-25 09:21:42,651 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-25 09:21:42,651 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-25 09:21:42,651 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-25 09:21:42,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 09:21:42" (1/1) ... [2021-10-25 09:21:42,669 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 09:21:42" (1/1) ... [2021-10-25 09:21:42,675 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-25 09:21:42,677 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-25 09:21:42,677 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-25 09:21:42,678 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-25 09:21:42,684 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 09:21:42" (1/1) ... [2021-10-25 09:21:42,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 09:21:42" (1/1) ... [2021-10-25 09:21:42,687 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 09:21:42" (1/1) ... [2021-10-25 09:21:42,689 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 09:21:42" (1/1) ... [2021-10-25 09:21:42,696 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 09:21:42" (1/1) ... [2021-10-25 09:21:42,697 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 09:21:42" (1/1) ... [2021-10-25 09:21:42,698 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 09:21:42" (1/1) ... [2021-10-25 09:21:42,703 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-25 09:21:42,704 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-25 09:21:42,704 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-25 09:21:42,704 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-25 09:21:42,705 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 09:21:42" (1/1) ... [2021-10-25 09:21:42,714 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-25 09:21:42,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 09:21:42,739 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) [2021-10-25 09:21:42,748 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 [2021-10-25 09:21:42,782 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-10-25 09:21:42,783 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-25 09:21:42,783 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-25 09:21:42,783 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-10-25 09:21:42,783 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-25 09:21:42,783 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-25 09:21:42,783 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-10-25 09:21:42,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-25 09:21:42,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-25 09:21:42,783 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-10-25 09:21:42,783 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-25 09:21:42,783 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-25 09:21:42,784 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-10-25 09:21:42,784 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-10-25 09:21:42,784 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-10-25 09:21:42,784 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2021-10-25 09:21:42,784 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-10-25 09:21:42,784 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-10-25 09:21:42,784 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2021-10-25 09:21:42,785 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2021-10-25 09:21:42,785 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2021-10-25 09:21:42,785 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-25 09:21:42,930 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-25 09:21:42,931 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-10-25 09:21:42,932 INFO L202 PluginConnector]: Adding new model barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 09:21:42 BoogieIcfgContainer [2021-10-25 09:21:42,932 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-25 09:21:42,934 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-25 09:21:42,934 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-25 09:21:42,937 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-25 09:21:42,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 09:21:42" (1/2) ... [2021-10-25 09:21:42,938 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c5168f7 and model type barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 09:21:42, skipping insertion in model container [2021-10-25 09:21:42,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 09:21:42" (2/2) ... [2021-10-25 09:21:42,939 INFO L111 eAbstractionObserver]: Analyzing ICFG barrier.wvr.bpl [2021-10-25 09:21:42,943 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-25 09:21:42,943 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-25 09:21:42,944 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-25 09:21:42,944 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-25 09:21:43,077 INFO L148 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2021-10-25 09:21:43,157 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-25 09:21:43,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 09:21:43,159 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) [2021-10-25 09:21:43,184 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 [2021-10-25 09:21:43,210 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread4Thread1of1ForFork4 ======== [2021-10-25 09:21:43,215 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=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, mLoopAccelerationTechnique=FAST_UPR [2021-10-25 09:21:43,216 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-10-25 09:21:43,766 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread4Thread1of1ForFork4Err5INUSE_VIOLATION [2021-10-25 09:21:43,767 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread4Thread1of1ForFork4Err6INUSE_VIOLATION [2021-10-25 09:21:43,775 INFO L308 ceAbstractionStarter]: Result for error location thread4Thread1of1ForFork4 was SAFE,SAFE (1/3) [2021-10-25 09:21:43,787 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-25 09:21:43,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 09:21:43,792 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-10-25 09:21:43,793 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2021-10-25 09:21:43,796 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-25 09:21:43,796 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=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, mLoopAccelerationTechnique=FAST_UPR [2021-10-25 09:21:43,797 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-25 09:21:43,913 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION] === [2021-10-25 09:21:43,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 09:21:43,918 INFO L82 PathProgramCache]: Analyzing trace with hash -220562905, now seen corresponding path program 1 times [2021-10-25 09:21:43,926 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 09:21:43,926 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682371375] [2021-10-25 09:21:43,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 09:21:43,927 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 09:21:44,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 09:21:44,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 09:21:44,127 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 09:21:44,128 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682371375] [2021-10-25 09:21:44,128 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682371375] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-25 09:21:44,128 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-25 09:21:44,128 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-25 09:21:44,130 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883463331] [2021-10-25 09:21:44,138 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-25 09:21:44,139 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 09:21:44,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-25 09:21:44,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-25 09:21:44,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 09:21:44,154 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 09:21:44,155 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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) [2021-10-25 09:21:44,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 09:21:44,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:21:44,173 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-25 09:21:44,174 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION] === [2021-10-25 09:21:44,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 09:21:44,174 INFO L82 PathProgramCache]: Analyzing trace with hash -1547794409, now seen corresponding path program 2 times [2021-10-25 09:21:44,174 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 09:21:44,175 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555695620] [2021-10-25 09:21:44,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 09:21:44,175 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 09:21:44,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 09:21:44,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 09:21:44,228 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 09:21:44,228 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555695620] [2021-10-25 09:21:44,228 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555695620] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-25 09:21:44,228 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-25 09:21:44,229 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-25 09:21:44,229 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009666186] [2021-10-25 09:21:44,231 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-25 09:21:44,231 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 09:21:44,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-25 09:21:44,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-25 09:21:44,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 09:21:44,233 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 09:21:44,234 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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) [2021-10-25 09:21:44,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:21:44,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 09:21:44,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:21:44,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:21:44,255 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-25 09:21:44,255 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION] === [2021-10-25 09:21:44,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 09:21:44,256 INFO L82 PathProgramCache]: Analyzing trace with hash -871018443, now seen corresponding path program 3 times [2021-10-25 09:21:44,256 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 09:21:44,257 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606321153] [2021-10-25 09:21:44,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 09:21:44,257 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 09:21:44,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 09:21:44,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 09:21:44,993 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 09:21:44,993 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606321153] [2021-10-25 09:21:44,994 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606321153] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-25 09:21:44,994 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-25 09:21:44,994 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-10-25 09:21:44,995 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717121568] [2021-10-25 09:21:44,996 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-10-25 09:21:44,996 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 09:21:44,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-10-25 09:21:45,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=306, Unknown=0, NotChecked=0, Total=342 [2021-10-25 09:21:45,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 09:21:45,001 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 09:21:45,002 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.473684210526316) internal successors, (47), 18 states have internal predecessors, (47), 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) [2021-10-25 09:21:45,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:21:45,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:21:45,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 09:21:46,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:21:46,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:21:46,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-10-25 09:21:46,596 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-25 09:21:46,596 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION] === [2021-10-25 09:21:46,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 09:21:46,596 INFO L82 PathProgramCache]: Analyzing trace with hash 192211665, now seen corresponding path program 4 times [2021-10-25 09:21:46,596 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 09:21:46,597 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342488834] [2021-10-25 09:21:46,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 09:21:46,597 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 09:21:46,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 09:21:46,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 09:21:46,619 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 09:21:46,619 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342488834] [2021-10-25 09:21:46,620 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342488834] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-25 09:21:46,620 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-25 09:21:46,620 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-25 09:21:46,620 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105949399] [2021-10-25 09:21:46,620 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-25 09:21:46,620 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 09:21:46,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-25 09:21:46,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-25 09:21:46,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 09:21:46,621 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 09:21:46,621 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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) [2021-10-25 09:21:46,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:21:46,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:21:46,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-10-25 09:21:46,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 09:21:46,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:21:46,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:21:46,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-10-25 09:21:46,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:21:46,842 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-25 09:21:46,842 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION] === [2021-10-25 09:21:46,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 09:21:46,843 INFO L82 PathProgramCache]: Analyzing trace with hash 60006219, now seen corresponding path program 5 times [2021-10-25 09:21:46,843 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 09:21:46,843 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098130681] [2021-10-25 09:21:46,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 09:21:46,843 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 09:21:46,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 09:21:46,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 09:21:46,866 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 09:21:46,866 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098130681] [2021-10-25 09:21:46,866 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098130681] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-25 09:21:46,867 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-25 09:21:46,867 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-25 09:21:46,867 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063658816] [2021-10-25 09:21:46,867 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-25 09:21:46,867 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 09:21:46,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-25 09:21:46,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-25 09:21:46,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 09:21:46,868 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 09:21:46,868 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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) [2021-10-25 09:21:46,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:21:46,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:21:46,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-10-25 09:21:46,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:21:46,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 09:21:46,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:21:46,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:21:46,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-10-25 09:21:46,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:21:46,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:21:46,933 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT [2021-10-25 09:21:46,934 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-25 09:21:46,934 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8INUSE_VIOLATION [2021-10-25 09:21:46,934 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-25 09:21:46,935 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE (2/3) [2021-10-25 09:21:46,936 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-25 09:21:46,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 09:21:46,972 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-10-25 09:21:46,974 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2021-10-25 09:21:46,975 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread1Thread1of1ForFork2 ======== [2021-10-25 09:21:46,976 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=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, mLoopAccelerationTechnique=FAST_UPR [2021-10-25 09:21:46,976 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-10-25 09:21:47,027 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Thread1of1ForFork2Err3INUSE_VIOLATION [2021-10-25 09:21:47,028 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Thread1of1ForFork2Err4INUSE_VIOLATION [2021-10-25 09:21:47,029 INFO L308 ceAbstractionStarter]: Result for error location thread1Thread1of1ForFork2 was SAFE,SAFE (3/3) [2021-10-25 09:21:47,029 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-25 09:21:47,029 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-25 09:21:47,032 INFO L202 PluginConnector]: Adding new model barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 09:21:47 BasicIcfg [2021-10-25 09:21:47,032 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-25 09:21:47,033 INFO L168 Benchmark]: Toolchain (without parser) took 4382.74 ms. Allocated memory was 186.6 MB in the beginning and 255.9 MB in the end (delta: 69.2 MB). Free memory was 145.5 MB in the beginning and 201.7 MB in the end (delta: -56.2 MB). Peak memory consumption was 13.1 MB. Max. memory is 8.0 GB. [2021-10-25 09:21:47,033 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 186.6 MB. Free memory is still 146.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-25 09:21:47,033 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.73 ms. Allocated memory is still 186.6 MB. Free memory was 145.5 MB in the beginning and 143.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-25 09:21:47,034 INFO L168 Benchmark]: Boogie Preprocessor took 25.82 ms. Allocated memory is still 186.6 MB. Free memory was 143.9 MB in the beginning and 143.0 MB in the end (delta: 916.4 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-25 09:21:47,034 INFO L168 Benchmark]: RCFGBuilder took 228.66 ms. Allocated memory is still 186.6 MB. Free memory was 142.9 MB in the beginning and 129.2 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-10-25 09:21:47,034 INFO L168 Benchmark]: TraceAbstraction took 4097.91 ms. Allocated memory was 186.6 MB in the beginning and 255.9 MB in the end (delta: 69.2 MB). Free memory was 128.7 MB in the beginning and 201.7 MB in the end (delta: -73.0 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-10-25 09:21:47,035 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 0.12 ms. Allocated memory is still 186.6 MB. Free memory is still 146.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 24.73 ms. Allocated memory is still 186.6 MB. Free memory was 145.5 MB in the beginning and 143.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 25.82 ms. Allocated memory is still 186.6 MB. Free memory was 143.9 MB in the beginning and 143.0 MB in the end (delta: 916.4 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 228.66 ms. Allocated memory is still 186.6 MB. Free memory was 142.9 MB in the beginning and 129.2 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 4097.91 ms. Allocated memory was 186.6 MB in the beginning and 255.9 MB in the end (delta: 69.2 MB). Free memory was 128.7 MB in the beginning and 201.7 MB in the end (delta: -73.0 MB). There was no memory consumed. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6472, positive: 6305, positive conditional: 4368, positive unconditional: 1937, negative: 167, negative conditional: 137, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6409, positive: 6305, positive conditional: 0, positive unconditional: 6305, negative: 104, negative conditional: 0, negative unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2023, positive: 1993, positive conditional: 0, positive unconditional: 1993, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2023, positive: 1990, positive conditional: 0, positive unconditional: 1990, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 33, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 126, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 122, negative conditional: 0, negative unconditional: 122, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6409, positive: 4312, positive conditional: 0, positive unconditional: 4312, negative: 74, negative conditional: 0, negative unconditional: 74, unknown: 2023, unknown conditional: 0, unknown unconditional: 2023] , Statistics on independence cache: Total cache size (in pairs): 2023, Positive cache size: 1993, Positive conditional cache size: 0, Positive unconditional cache size: 1993, Negative cache size: 30, Negative conditional cache size: 0, Negative unconditional cache size: 30, Independence queries for same thread: 63 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 322, Number of persistent set computation: 645, Number of trivial persistent sets: 539, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6472, positive: 6305, positive conditional: 4368, positive unconditional: 1937, negative: 167, negative conditional: 137, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6409, positive: 6305, positive conditional: 0, positive unconditional: 6305, negative: 104, negative conditional: 0, negative unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2023, positive: 1993, positive conditional: 0, positive unconditional: 1993, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2023, positive: 1990, positive conditional: 0, positive unconditional: 1990, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 33, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 126, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 122, negative conditional: 0, negative unconditional: 122, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6409, positive: 4312, positive conditional: 0, positive unconditional: 4312, negative: 74, negative conditional: 0, negative unconditional: 74, unknown: 2023, unknown conditional: 0, unknown unconditional: 2023] , Statistics on independence cache: Total cache size (in pairs): 2023, Positive cache size: 1993, Positive conditional cache size: 0, Positive unconditional cache size: 1993, Negative cache size: 30, Negative conditional cache size: 0, Negative unconditional cache size: 30, Independence queries for same thread: 63 - 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 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6277, positive: 6149, positive conditional: 3955, positive unconditional: 2194, negative: 128, negative conditional: 93, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6229, positive: 6149, positive conditional: 0, positive unconditional: 6149, negative: 80, negative conditional: 0, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2275, positive: 2240, positive conditional: 0, positive unconditional: 2240, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2275, positive: 2236, positive conditional: 0, positive unconditional: 2236, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 39, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 102, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 92, negative conditional: 0, negative unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6229, positive: 3909, positive conditional: 0, positive unconditional: 3909, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 2275, unknown conditional: 0, unknown unconditional: 2275] , Statistics on independence cache: Total cache size (in pairs): 2275, Positive cache size: 2240, Positive conditional cache size: 0, Positive unconditional cache size: 2240, Negative cache size: 35, Negative conditional cache size: 0, Negative unconditional cache size: 35, Independence queries for same thread: 48 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 162, Number of persistent set computation: 625, Number of trivial persistent sets: 363, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6277, positive: 6149, positive conditional: 3955, positive unconditional: 2194, negative: 128, negative conditional: 93, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6229, positive: 6149, positive conditional: 0, positive unconditional: 6149, negative: 80, negative conditional: 0, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2275, positive: 2240, positive conditional: 0, positive unconditional: 2240, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2275, positive: 2236, positive conditional: 0, positive unconditional: 2236, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 39, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 102, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 92, negative conditional: 0, negative unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6229, positive: 3909, positive conditional: 0, positive unconditional: 3909, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 2275, unknown conditional: 0, unknown unconditional: 2275] , Statistics on independence cache: Total cache size (in pairs): 2275, Positive cache size: 2240, Positive conditional cache size: 0, Positive unconditional cache size: 2240, Negative cache size: 35, Negative conditional cache size: 0, Negative unconditional cache size: 35, Independence queries for same thread: 48 - 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 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1732, positive: 1702, positive conditional: 143, positive unconditional: 1559, negative: 30, negative conditional: 8, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1730, positive: 1702, positive conditional: 0, positive unconditional: 1702, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1591, positive: 1569, positive conditional: 0, positive unconditional: 1569, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1591, positive: 1567, positive conditional: 0, positive unconditional: 1567, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 24, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 37, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1730, positive: 133, positive conditional: 0, positive unconditional: 133, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 1591, unknown conditional: 0, unknown unconditional: 1591] , Statistics on independence cache: Total cache size (in pairs): 1591, Positive cache size: 1569, Positive conditional cache size: 0, Positive unconditional cache size: 1569, Negative cache size: 22, Negative conditional cache size: 0, Negative unconditional cache size: 22, Independence queries for same thread: 2 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 46, Number of persistent set computation: 43, Number of trivial persistent sets: 33, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1732, positive: 1702, positive conditional: 143, positive unconditional: 1559, negative: 30, negative conditional: 8, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1730, positive: 1702, positive conditional: 0, positive unconditional: 1702, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1591, positive: 1569, positive conditional: 0, positive unconditional: 1569, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1591, positive: 1567, positive conditional: 0, positive unconditional: 1567, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 24, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 37, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1730, positive: 133, positive conditional: 0, positive unconditional: 133, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 1591, unknown conditional: 0, unknown unconditional: 1591] , Statistics on independence cache: Total cache size (in pairs): 1591, Positive cache size: 1569, Positive conditional cache size: 0, Positive unconditional cache size: 1569, Negative cache size: 22, Negative conditional cache size: 0, Negative unconditional cache size: 22, Independence queries for same thread: 2 - 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: 95]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread4Thread1of1ForFork4 with 1 thread instances CFG has 13 procedures, 112 locations, 11 error locations. Started 1 CEGAR loops. OverallTime: 621.1ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14.8ms, PartialOrderReductionTime: 532.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 13 procedures, 112 locations, 11 error locations. Started 1 CEGAR loops. OverallTime: 3148.3ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.5ms, PartialOrderReductionTime: 2031.4ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 50, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 14.4ms SsaConstructionTime, 94.3ms SatisfiabilityAnalysisTime, 866.8ms InterpolantComputationTime, 235 NumberOfCodeBlocks, 235 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 230 ConstructedInterpolants, 0 QuantifiedInterpolants, 932 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread1Thread1of1ForFork2 with 1 thread instances CFG has 13 procedures, 112 locations, 11 error locations. Started 1 CEGAR loops. OverallTime: 92.5ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.1ms, PartialOrderReductionTime: 49.6ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: 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! [2021-10-25 09:21:47,067 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Forceful destruction successful, exit code 0 [2021-10-25 09:21:47,275 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2021-10-25 09:21:47,475 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-10-25 09:21:47,675 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...