/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-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/barrier-loop.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2ce48c3f3f8970e6bfb7f04ced506932607c57fe-2ce48c3 [2021-10-22 13:23:49,341 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-22 13:23:49,350 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-22 13:23:49,393 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-10-22 13:23:49,406 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-22 13:23:49,407 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-22 13:23:49,408 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-22 13:23:49,411 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-22 13:23:49,412 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-22 13:23:49,413 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-22 13:23:49,414 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-22 13:23:49,415 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-22 13:23:49,416 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-22 13:23:49,417 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-22 13:23:49,418 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-22 13:23:49,418 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-22 13:23:49,420 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-10-22 13:23:49,426 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-22 13:23:49,427 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-22 13:23:49,427 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-22 13:23:49,435 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-Lockstep.epf [2021-10-22 13:23:49,465 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-22 13:23:49,466 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-22 13:23:49,466 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-22 13:23:49,466 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-22 13:23:49,467 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-22 13:23:49,467 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-22 13:23:49,467 INFO L138 SettingsManager]: * Use SBE=true [2021-10-22 13:23:49,468 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-22 13:23:49,468 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-22 13:23:49,468 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-22 13:23:49,469 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-22 13:23:49,469 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-22 13:23:49,469 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-22 13:23:49,469 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-22 13:23:49,469 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-22 13:23:49,469 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-22 13:23:49,469 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-22 13:23:49,470 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-22 13:23:49,470 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-22 13:23:49,470 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-22 13:23:49,470 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-22 13:23:49,470 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-22 13:23:49,470 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-22 13:23:49,470 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-22 13:23:49,470 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-22 13:23:49,471 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-22 13:23:49,471 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-22 13:23:49,471 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-22 13:23:49,471 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-10-22 13:23:49,471 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-22 13:23:49,471 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-22 13:23:49,471 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-22 13:23:49,472 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-22 13:23:49,472 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-22 13:23:49,472 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-22 13:23:49,472 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-22 13:23:49,472 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-22 13:23:49,698 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-22 13:23:49,727 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-22 13:23:49,729 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-22 13:23:49,730 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-10-22 13:23:49,732 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-10-22 13:23:49,733 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/barrier-loop.wvr.bpl [2021-10-22 13:23:49,733 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/barrier-loop.wvr.bpl' [2021-10-22 13:23:49,762 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-22 13:23:49,763 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-10-22 13:23:49,764 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-22 13:23:49,764 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-22 13:23:49,764 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-22 13:23:49,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 01:23:49" (1/1) ... [2021-10-22 13:23:49,780 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 01:23:49" (1/1) ... [2021-10-22 13:23:49,787 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-22 13:23:49,788 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-22 13:23:49,788 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-22 13:23:49,788 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-22 13:23:49,793 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 01:23:49" (1/1) ... [2021-10-22 13:23:49,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 01:23:49" (1/1) ... [2021-10-22 13:23:49,794 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 01:23:49" (1/1) ... [2021-10-22 13:23:49,794 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 01:23:49" (1/1) ... [2021-10-22 13:23:49,797 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 01:23:49" (1/1) ... [2021-10-22 13:23:49,799 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 01:23:49" (1/1) ... [2021-10-22 13:23:49,799 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 01:23:49" (1/1) ... [2021-10-22 13:23:49,800 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-22 13:23:49,801 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-22 13:23:49,801 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-22 13:23:49,801 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-22 13:23:49,808 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 01:23:49" (1/1) ... [2021-10-22 13:23:49,814 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-22 13:23:49,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 13:23:49,836 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) [2021-10-22 13:23:49,840 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 [2021-10-22 13:23:49,867 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-10-22 13:23:49,868 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-22 13:23:49,868 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-22 13:23:49,868 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-10-22 13:23:49,868 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-22 13:23:49,868 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-22 13:23:49,868 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-10-22 13:23:49,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-22 13:23:49,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-22 13:23:49,869 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-10-22 13:23:49,869 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-22 13:23:49,870 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-22 13:23:49,870 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-10-22 13:23:49,871 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-10-22 13:23:49,871 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-10-22 13:23:49,871 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2021-10-22 13:23:49,874 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-10-22 13:23:49,874 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-10-22 13:23:49,875 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2021-10-22 13:23:49,875 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2021-10-22 13:23:49,875 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2021-10-22 13:23:49,876 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-22 13:23:50,083 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-22 13:23:50,083 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-22 13:23:50,085 INFO L202 PluginConnector]: Adding new model barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 01:23:50 BoogieIcfgContainer [2021-10-22 13:23:50,085 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-22 13:23:50,086 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-22 13:23:50,086 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-22 13:23:50,101 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-22 13:23:50,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 01:23:49" (1/2) ... [2021-10-22 13:23:50,102 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ca2792 and model type barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 01:23:50, skipping insertion in model container [2021-10-22 13:23:50,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 01:23:50" (2/2) ... [2021-10-22 13:23:50,103 INFO L111 eAbstractionObserver]: Analyzing ICFG barrier-loop.wvr.bpl [2021-10-22 13:23:50,107 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-22 13:23:50,107 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-22 13:23:50,107 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-22 13:23:50,107 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-22 13:23:50,250 INFO L148 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2021-10-22 13:23:50,287 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-22 13:23:50,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 13:23:50,289 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) [2021-10-22 13:23:50,296 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 [2021-10-22 13:23:50,321 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread4Thread1of1ForFork3 ======== [2021-10-22 13:23:50,326 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 [2021-10-22 13:23:50,326 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-10-22 13:23:50,691 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread4Thread1of1ForFork3Err4INUSE_VIOLATION [2021-10-22 13:23:50,692 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread4Thread1of1ForFork3Err6INUSE_VIOLATION [2021-10-22 13:23:50,701 INFO L308 ceAbstractionStarter]: Result for error location thread4Thread1of1ForFork3 was SAFE,SAFE (1/3) [2021-10-22 13:23:50,714 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-22 13:23:50,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 13:23:50,716 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) [2021-10-22 13:23:50,717 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 [2021-10-22 13:23:50,722 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-22 13:23:50,723 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 [2021-10-22 13:23:50,723 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-22 13:23:51,229 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION] === [2021-10-22 13:23:51,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 13:23:51,235 INFO L82 PathProgramCache]: Analyzing trace with hash -434325162, now seen corresponding path program 1 times [2021-10-22 13:23:51,243 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 13:23:51,243 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833189830] [2021-10-22 13:23:51,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 13:23:51,244 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 13:23:51,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 13:23:51,843 INFO L134 CoverageAnalysis]: Checked inductivity of 15429 backedges. 289 proven. 0 refuted. 0 times theorem prover too weak. 15140 trivial. 0 not checked. [2021-10-22 13:23:51,844 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 13:23:51,844 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833189830] [2021-10-22 13:23:51,845 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833189830] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 13:23:51,845 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 13:23:51,845 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-22 13:23:51,846 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392467951] [2021-10-22 13:23:51,855 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-22 13:23:51,855 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 13:23:51,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-22 13:23:51,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-22 13:23:51,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 13:23:51,867 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 13:23:51,868 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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) [2021-10-22 13:23:51,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 13:23:51,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 13:23:51,910 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-22 13:23:51,910 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION] === [2021-10-22 13:23:51,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 13:23:51,911 INFO L82 PathProgramCache]: Analyzing trace with hash 681401813, now seen corresponding path program 2 times [2021-10-22 13:23:51,911 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 13:23:51,911 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920174207] [2021-10-22 13:23:51,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 13:23:51,912 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 13:23:51,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 13:23:51,972 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 303 trivial. 0 not checked. [2021-10-22 13:23:51,972 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 13:23:51,972 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920174207] [2021-10-22 13:23:51,973 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920174207] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 13:23:51,973 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 13:23:51,973 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-22 13:23:51,973 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413273937] [2021-10-22 13:23:51,974 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-22 13:23:51,975 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 13:23:51,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-22 13:23:51,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-22 13:23:51,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 13:23:51,976 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 13:23:51,977 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 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) [2021-10-22 13:23:51,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 13:23:51,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 13:23:52,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 13:23:52,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 13:23:52,068 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-22 13:23:52,068 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION] === [2021-10-22 13:23:52,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 13:23:52,069 INFO L82 PathProgramCache]: Analyzing trace with hash 1304868754, now seen corresponding path program 3 times [2021-10-22 13:23:52,069 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 13:23:52,070 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446270413] [2021-10-22 13:23:52,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 13:23:52,070 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 13:23:52,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 13:23:52,143 INFO L134 CoverageAnalysis]: Checked inductivity of 1309 backedges. 229 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2021-10-22 13:23:52,143 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 13:23:52,144 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446270413] [2021-10-22 13:23:52,144 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446270413] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 13:23:52,144 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 13:23:52,144 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-22 13:23:52,144 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514537094] [2021-10-22 13:23:52,145 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-22 13:23:52,145 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 13:23:52,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-22 13:23:52,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-22 13:23:52,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 13:23:52,149 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 13:23:52,149 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 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) [2021-10-22 13:23:52,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 13:23:52,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 13:23:52,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 13:23:52,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 13:23:52,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 13:23:52,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 13:23:52,187 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-22 13:23:52,187 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION] === [2021-10-22 13:23:52,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 13:23:52,189 INFO L82 PathProgramCache]: Analyzing trace with hash -1239392864, now seen corresponding path program 4 times [2021-10-22 13:23:52,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 13:23:52,189 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205051683] [2021-10-22 13:23:52,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 13:23:52,190 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 13:23:52,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 13:23:52,278 INFO L134 CoverageAnalysis]: Checked inductivity of 1309 backedges. 449 proven. 0 refuted. 0 times theorem prover too weak. 860 trivial. 0 not checked. [2021-10-22 13:23:52,279 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 13:23:52,279 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205051683] [2021-10-22 13:23:52,279 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205051683] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 13:23:52,280 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 13:23:52,280 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-22 13:23:52,280 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98212951] [2021-10-22 13:23:52,281 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-22 13:23:52,281 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 13:23:52,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-22 13:23:52,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-22 13:23:52,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 13:23:52,282 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 13:23:52,282 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 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) [2021-10-22 13:23:52,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 13:23:52,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 13:23:52,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 13:23:52,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 13:23:52,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 13:23:52,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 13:23:52,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 13:23:52,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 13:23:52,320 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-22 13:23:52,320 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION] === [2021-10-22 13:23:52,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 13:23:52,321 INFO L82 PathProgramCache]: Analyzing trace with hash -721963009, now seen corresponding path program 5 times [2021-10-22 13:23:52,321 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 13:23:52,321 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055130231] [2021-10-22 13:23:52,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 13:23:52,321 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 13:23:52,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 13:23:52,371 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 201 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2021-10-22 13:23:52,372 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 13:23:52,372 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055130231] [2021-10-22 13:23:52,372 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055130231] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 13:23:52,372 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 13:23:52,372 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-22 13:23:52,372 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262672082] [2021-10-22 13:23:52,373 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-22 13:23:52,373 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 13:23:52,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-22 13:23:52,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-22 13:23:52,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 13:23:52,373 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 13:23:52,374 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 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) [2021-10-22 13:23:52,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 13:23:52,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 13:23:52,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 13:23:52,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 13:23:52,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 13:23:52,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 13:23:52,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 13:23:52,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 13:23:52,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 13:23:52,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 13:23:52,653 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-22 13:23:52,654 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION] === [2021-10-22 13:23:52,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 13:23:52,654 INFO L82 PathProgramCache]: Analyzing trace with hash 150852521, now seen corresponding path program 6 times [2021-10-22 13:23:52,654 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 13:23:52,654 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186862703] [2021-10-22 13:23:52,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 13:23:52,655 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 13:23:52,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 13:23:52,683 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2021-10-22 13:23:52,683 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 13:23:52,683 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186862703] [2021-10-22 13:23:52,683 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186862703] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 13:23:52,683 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 13:23:52,683 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-22 13:23:52,684 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383982555] [2021-10-22 13:23:52,684 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-22 13:23:52,684 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 13:23:52,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-22 13:23:52,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-22 13:23:52,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 13:23:52,688 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 13:23:52,688 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 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) [2021-10-22 13:23:52,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 13:23:52,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 13:23:52,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 13:23:52,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 13:23:52,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 13:23:52,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 13:23:52,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 13:23:52,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 13:23:52,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 13:23:52,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 13:23:52,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 13:23:52,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 13:23:52,946 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-22 13:23:52,946 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION] === [2021-10-22 13:23:52,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 13:23:52,947 INFO L82 PathProgramCache]: Analyzing trace with hash 1066520673, now seen corresponding path program 7 times [2021-10-22 13:23:52,948 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 13:23:52,949 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809057945] [2021-10-22 13:23:52,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 13:23:52,949 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 13:23:52,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 13:23:52,984 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2021-10-22 13:23:52,985 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 13:23:52,985 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809057945] [2021-10-22 13:23:52,985 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809057945] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 13:23:52,985 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 13:23:52,985 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-22 13:23:52,986 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309990179] [2021-10-22 13:23:52,987 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-22 13:23:52,987 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 13:23:52,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-22 13:23:52,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-22 13:23:52,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 13:23:52,988 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 13:23:52,988 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 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) [2021-10-22 13:23:52,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 13:23:52,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 13:23:52,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 13:23:52,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 13:23:52,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 13:23:52,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 13:23:52,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 13:23:53,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 13:23:53,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 13:23:53,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 13:23:53,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 13:23:53,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 13:23:53,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 13:23:53,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 13:23:53,052 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-22 13:23:53,057 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION] === [2021-10-22 13:23:53,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 13:23:53,057 INFO L82 PathProgramCache]: Analyzing trace with hash -283878989, now seen corresponding path program 8 times [2021-10-22 13:23:53,058 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 13:23:53,058 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218888095] [2021-10-22 13:23:53,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 13:23:53,058 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 13:23:53,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-22 13:23:53,078 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-22 13:23:53,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-22 13:23:53,126 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-22 13:23:53,126 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-22 13:23:53,127 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT [2021-10-22 13:23:53,127 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8INUSE_VIOLATION [2021-10-22 13:23:53,127 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9INUSE_VIOLATION [2021-10-22 13:23:53,127 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-22 13:23:53,128 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN (2/3) [2021-10-22 13:23:53,131 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-22 13:23:53,132 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-22 13:23:53,184 INFO L202 PluginConnector]: Adding new model barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 01:23:53 BasicIcfg [2021-10-22 13:23:53,185 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-22 13:23:53,186 INFO L168 Benchmark]: Toolchain (without parser) took 3422.13 ms. Allocated memory was 182.5 MB in the beginning and 403.7 MB in the end (delta: 221.2 MB). Free memory was 138.3 MB in the beginning and 265.8 MB in the end (delta: -127.5 MB). Peak memory consumption was 94.4 MB. Max. memory is 8.0 GB. [2021-10-22 13:23:53,187 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 182.5 MB. Free memory is still 139.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-22 13:23:53,187 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.66 ms. Allocated memory is still 182.5 MB. Free memory was 138.2 MB in the beginning and 136.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-22 13:23:53,188 INFO L168 Benchmark]: Boogie Preprocessor took 12.94 ms. Allocated memory is still 182.5 MB. Free memory was 136.6 MB in the beginning and 135.7 MB in the end (delta: 955.5 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-22 13:23:53,188 INFO L168 Benchmark]: RCFGBuilder took 284.08 ms. Allocated memory was 182.5 MB in the beginning and 298.8 MB in the end (delta: 116.4 MB). Free memory was 135.6 MB in the beginning and 272.1 MB in the end (delta: -136.6 MB). Peak memory consumption was 20.9 MB. Max. memory is 8.0 GB. [2021-10-22 13:23:53,190 INFO L168 Benchmark]: TraceAbstraction took 3098.43 ms. Allocated memory was 298.8 MB in the beginning and 403.7 MB in the end (delta: 104.9 MB). Free memory was 271.7 MB in the beginning and 265.8 MB in the end (delta: 5.9 MB). Peak memory consumption was 111.3 MB. Max. memory is 8.0 GB. [2021-10-22 13:23:53,191 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 0.11 ms. Allocated memory is still 182.5 MB. Free memory is still 139.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 22.66 ms. Allocated memory is still 182.5 MB. Free memory was 138.2 MB in the beginning and 136.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 12.94 ms. Allocated memory is still 182.5 MB. Free memory was 136.6 MB in the beginning and 135.7 MB in the end (delta: 955.5 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 284.08 ms. Allocated memory was 182.5 MB in the beginning and 298.8 MB in the end (delta: 116.4 MB). Free memory was 135.6 MB in the beginning and 272.1 MB in the end (delta: -136.6 MB). Peak memory consumption was 20.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 3098.43 ms. Allocated memory was 298.8 MB in the beginning and 403.7 MB in the end (delta: 104.9 MB). Free memory was 271.7 MB in the beginning and 265.8 MB in the end (delta: 5.9 MB). Peak memory consumption was 111.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5715, positive: 5525, positive conditional: 2450, positive unconditional: 3075, negative: 190, negative conditional: 159, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5616, positive: 5525, positive conditional: 0, positive unconditional: 5525, negative: 91, negative conditional: 0, negative unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2455, positive: 2424, positive conditional: 0, positive unconditional: 2424, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2455, positive: 2419, positive conditional: 0, positive unconditional: 2419, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 77, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 73, negative conditional: 0, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5616, positive: 3101, positive conditional: 0, positive unconditional: 3101, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 2455, unknown conditional: 0, unknown unconditional: 2455] , Statistics on independence cache: Total cache size (in pairs): 2455, Positive cache size: 2424, Positive conditional cache size: 0, Positive unconditional cache size: 2424, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Independence queries for same thread: 99 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 214, Number of persistent set computation: 268, Number of trivial persistent sets: 169, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5715, positive: 5525, positive conditional: 2450, positive unconditional: 3075, negative: 190, negative conditional: 159, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5616, positive: 5525, positive conditional: 0, positive unconditional: 5525, negative: 91, negative conditional: 0, negative unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2455, positive: 2424, positive conditional: 0, positive unconditional: 2424, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2455, positive: 2419, positive conditional: 0, positive unconditional: 2419, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 77, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 73, negative conditional: 0, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5616, positive: 3101, positive conditional: 0, positive unconditional: 3101, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 2455, unknown conditional: 0, unknown unconditional: 2455] , Statistics on independence cache: Total cache size (in pairs): 2455, Positive cache size: 2424, Positive conditional cache size: 0, Positive unconditional cache size: 2424, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Independence queries for same thread: 99 - 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: 51709, positive: 48362, positive conditional: 43856, positive unconditional: 4506, negative: 3347, negative conditional: 3295, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 49857, positive: 48362, positive conditional: 0, positive unconditional: 48362, negative: 1495, negative conditional: 0, negative unconditional: 1495, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3410, positive: 3358, positive conditional: 0, positive unconditional: 3358, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3410, positive: 3342, positive conditional: 0, positive unconditional: 3342, negative: 68, negative conditional: 0, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 68, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 140, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 127, negative conditional: 0, negative unconditional: 127, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 49857, positive: 45004, positive conditional: 0, positive unconditional: 45004, negative: 1443, negative conditional: 0, negative unconditional: 1443, unknown: 3410, unknown conditional: 0, unknown unconditional: 3410] , Statistics on independence cache: Total cache size (in pairs): 3410, Positive cache size: 3358, Positive conditional cache size: 0, Positive unconditional cache size: 3358, Negative cache size: 52, Negative conditional cache size: 0, Negative unconditional cache size: 52, Independence queries for same thread: 1852 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 463, Number of persistent set computation: 3176, Number of trivial persistent sets: 1821, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 51709, positive: 48362, positive conditional: 43856, positive unconditional: 4506, negative: 3347, negative conditional: 3295, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 49857, positive: 48362, positive conditional: 0, positive unconditional: 48362, negative: 1495, negative conditional: 0, negative unconditional: 1495, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3410, positive: 3358, positive conditional: 0, positive unconditional: 3358, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3410, positive: 3342, positive conditional: 0, positive unconditional: 3342, negative: 68, negative conditional: 0, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 68, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 140, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 127, negative conditional: 0, negative unconditional: 127, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 49857, positive: 45004, positive conditional: 0, positive unconditional: 45004, negative: 1443, negative conditional: 0, negative unconditional: 1443, unknown: 3410, unknown conditional: 0, unknown unconditional: 3410] , Statistics on independence cache: Total cache size (in pairs): 3410, Positive cache size: 3358, Positive conditional cache size: 0, Positive unconditional cache size: 3358, Negative cache size: 52, Negative conditional cache size: 0, Negative unconditional cache size: 52, Independence queries for same thread: 1852 - 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 - CounterExampleResult [Line: 121]: assertion can be violated assertion can be violated We found a FailurePath: [L115] 0 assume x_0 == x_8 && y_1 == y_9; VAL [x_0=-3, x_8=-3, y_1=-3, y_9=-3] [L116] FORK 0 fork 1 thread1(); VAL [x_0=-3, x_8=-3, y_1=-3, y_9=-3] [L60] 1 f1_2 := false; [L61] 1 f2_3 := false; VAL [f1_2=false, f2_3=false, x_0=-3, x_8=-3, y_1=-3, y_9=-3] [L117] FORK 0 fork 4, 4, 4, 4 thread4(); VAL [f1_2=false, f2_3=false, x_0=-3, x_8=-3, y_1=-3, y_9=-3] [L63] FORK 1 fork 2, 2 thread2(); VAL [f1_2=false, f2_3=false, x_0=-3, x_8=-3, y_1=-3, y_9=-3] [L30] 3 temp_4 := x_0; VAL [f1_2=false, f2_3=false, temp_4=-3, x_0=-3, x_8=-3, y_1=-3, y_9=-3] [L103] 2 f1_10 := false; [L104] 2 f2_11 := false; VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_4=-3, x_0=-3, x_8=-3, y_1=-3, y_9=-3] [L64] FORK 1 fork 3, 3, 3 thread3(); VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_4=-3, x_0=-3, x_8=-3, y_1=-3, y_9=-3] [L31] 3 x_0 := temp_4 + 1; VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_4=-3, x_0=-2, x_8=-3, y_1=-3, y_9=-3] [L45] 4 temp_6 := y_1; VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_4=-3, temp_6=-3, x_0=-2, x_8=-3, y_1=-3, y_9=-3] [L106] FORK 2 fork 5, 5, 5, 5, 5 thread5(); VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_4=-3, temp_6=-3, x_0=-2, x_8=-3, y_1=-3, y_9=-3] [L73] 5 temp_12 := x_8; VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_12=-3, temp_4=-3, temp_6=-3, x_0=-2, x_8=-3, y_1=-3, y_9=-3] [L32] 3 f1_2 := true; VAL [f1_10=false, f1_2=true, f2_11=false, f2_3=false, temp_12=-3, temp_4=-3, temp_6=-3, x_0=-2, x_8=-3, y_1=-3, y_9=-3] [L46] 4 y_1 := temp_6 + 1; VAL [f1_10=false, f1_2=true, f2_11=false, f2_3=false, temp_12=-3, temp_4=-3, temp_6=-3, x_0=-2, x_8=-3, y_1=-2, y_9=-3] [L107] FORK 2 fork 6, 6, 6, 6, 6, 6 thread6(); VAL [f1_10=false, f1_2=true, f2_11=false, f2_3=false, temp_12=-3, temp_4=-3, temp_6=-3, x_0=-2, x_8=-3, y_1=-2, y_9=-3] [L74] 5 x_8 := temp_12 + 1; VAL [f1_10=false, f1_2=true, f2_11=false, f2_3=false, temp_12=-3, temp_4=-3, temp_6=-3, x_0=-2, x_8=-2, y_1=-2, y_9=-3] [L88] 6 temp_14 := y_9; VAL [f1_10=false, f1_2=true, f2_11=false, f2_3=false, temp_12=-3, temp_14=-3, temp_4=-3, temp_6=-3, x_0=-2, x_8=-2, y_1=-2, y_9=-3] [L47] 4 f2_3 := true; VAL [f1_10=false, f1_2=true, f2_11=false, f2_3=true, temp_12=-3, temp_14=-3, temp_4=-3, temp_6=-3, x_0=-2, x_8=-2, y_1=-2, y_9=-3] [L75] 5 f1_10 := true; VAL [f1_10=true, f1_2=true, f2_11=false, f2_3=true, temp_12=-3, temp_14=-3, temp_4=-3, temp_6=-3, x_0=-2, x_8=-2, y_1=-2, y_9=-3] [L48] 4 assume f1_2; VAL [f1_10=true, f1_2=true, f2_11=false, f2_3=true, temp_12=-3, temp_14=-3, temp_4=-3, temp_6=-3, x_0=-2, x_8=-2, y_1=-2, y_9=-3] [L33] 3 assume f2_3; VAL [f1_10=true, f1_2=true, f2_11=false, f2_3=true, temp_12=-3, temp_14=-3, temp_4=-3, temp_6=-3, x_0=-2, x_8=-2, y_1=-2, y_9=-3] [L49] 4 temp_7 := x_0; VAL [f1_10=true, f1_2=true, f2_11=false, f2_3=true, temp_12=-3, temp_14=-3, temp_4=-3, temp_6=-3, temp_7=-2, x_0=-2, x_8=-2, y_1=-2, y_9=-3] [L89] 6 y_9 := temp_14 + 1; VAL [f1_10=true, f1_2=true, f2_11=false, f2_3=true, temp_12=-3, temp_14=-3, temp_4=-3, temp_6=-3, temp_7=-2, x_0=-2, x_8=-2, y_1=-2, y_9=-2] [L90] 6 f2_11 := true; VAL [f1_10=true, f1_2=true, f2_11=true, f2_3=true, temp_12=-3, temp_14=-3, temp_4=-3, temp_6=-3, temp_7=-2, x_0=-2, x_8=-2, y_1=-2, y_9=-2] [L76] 5 assume f2_11; VAL [f1_10=true, f1_2=true, f2_11=true, f2_3=true, temp_12=-3, temp_14=-3, temp_4=-3, temp_6=-3, temp_7=-2, x_0=-2, x_8=-2, y_1=-2, y_9=-2] [L91] 6 assume f1_10; VAL [f1_10=true, f1_2=true, f2_11=true, f2_3=true, temp_12=-3, temp_14=-3, temp_4=-3, temp_6=-3, temp_7=-2, x_0=-2, x_8=-2, y_1=-2, y_9=-2] [L92] 6 temp_15 := x_8; VAL [f1_10=true, f1_2=true, f2_11=true, f2_3=true, temp_12=-3, temp_14=-3, temp_15=-2, temp_4=-3, temp_6=-3, temp_7=-2, x_0=-2, x_8=-2, y_1=-2, y_9=-2] [L34] 3 temp_5 := y_1; VAL [f1_10=true, f1_2=true, f2_11=true, f2_3=true, temp_12=-3, temp_14=-3, temp_15=-2, temp_4=-3, temp_5=-2, temp_6=-3, temp_7=-2, x_0=-2, x_8=-2, y_1=-2, y_9=-2] [L50] 4 x_0 := temp_7 + 1; VAL [f1_10=true, f1_2=true, f2_11=true, f2_3=true, temp_12=-3, temp_14=-3, temp_15=-2, temp_4=-3, temp_5=-2, temp_6=-3, temp_7=-2, x_0=-1, x_8=-2, y_1=-2, y_9=-2] [L77] 5 temp_13 := y_9; VAL [f1_10=true, f1_2=true, f2_11=true, f2_3=true, temp_12=-3, temp_13=-2, temp_14=-3, temp_15=-2, temp_4=-3, temp_5=-2, temp_6=-3, temp_7=-2, x_0=-1, x_8=-2, y_1=-2, y_9=-2] [L93] 6 x_8 := temp_15 + 1; VAL [f1_10=true, f1_2=true, f2_11=true, f2_3=true, temp_12=-3, temp_13=-2, temp_14=-3, temp_15=-2, temp_4=-3, temp_5=-2, temp_6=-3, temp_7=-2, x_0=-1, x_8=-1, y_1=-2, y_9=-2] [L35] 3 y_1 := temp_5 + 1; VAL [f1_10=true, f1_2=true, f2_11=true, f2_3=true, temp_12=-3, temp_13=-2, temp_14=-3, temp_15=-2, temp_4=-3, temp_5=-2, temp_6=-3, temp_7=-2, x_0=-1, x_8=-1, y_1=-1, y_9=-2] [L51] 4 f2_3 := false; VAL [f1_10=true, f1_2=true, f2_11=true, f2_3=false, temp_12=-3, temp_13=-2, temp_14=-3, temp_15=-2, temp_4=-3, temp_5=-2, temp_6=-3, temp_7=-2, x_0=-1, x_8=-1, y_1=-1, y_9=-2] [L78] 5 y_9 := temp_13 + 1; VAL [f1_10=true, f1_2=true, f2_11=true, f2_3=false, temp_12=-3, temp_13=-2, temp_14=-3, temp_15=-2, temp_4=-3, temp_5=-2, temp_6=-3, temp_7=-2, x_0=-1, x_8=-1, y_1=-1, y_9=-1] [L94] 6 f2_11 := false; VAL [f1_10=true, f1_2=true, f2_11=false, f2_3=false, temp_12=-3, temp_13=-2, temp_14=-3, temp_15=-2, temp_4=-3, temp_5=-2, temp_6=-3, temp_7=-2, x_0=-1, x_8=-1, y_1=-1, y_9=-1] [L36] 3 f1_2 := false; VAL [f1_10=true, f1_2=false, f2_11=false, f2_3=false, temp_12=-3, temp_13=-2, temp_14=-3, temp_15=-2, temp_4=-3, temp_5=-2, temp_6=-3, temp_7=-2, x_0=-1, x_8=-1, y_1=-1, y_9=-1] [L52] 4 assume !f1_2; VAL [f1_10=true, f1_2=false, f2_11=false, f2_3=false, temp_12=-3, temp_13=-2, temp_14=-3, temp_15=-2, temp_4=-3, temp_5=-2, temp_6=-3, temp_7=-2, x_0=-1, x_8=-1, y_1=-1, y_9=-1] [L79] 5 f1_10 := false; VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_12=-3, temp_13=-2, temp_14=-3, temp_15=-2, temp_4=-3, temp_5=-2, temp_6=-3, temp_7=-2, x_0=-1, x_8=-1, y_1=-1, y_9=-1] [L95] 6 assume !f1_10; VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_12=-3, temp_13=-2, temp_14=-3, temp_15=-2, temp_4=-3, temp_5=-2, temp_6=-3, temp_7=-2, x_0=-1, x_8=-1, y_1=-1, y_9=-1] [L37] 3 assume !f2_3; VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_12=-3, temp_13=-2, temp_14=-3, temp_15=-2, temp_4=-3, temp_5=-2, temp_6=-3, temp_7=-2, x_0=-1, x_8=-1, y_1=-1, y_9=-1] [L45] 4 temp_6 := y_1; VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_12=-3, temp_13=-2, temp_14=-3, temp_15=-2, temp_4=-3, temp_5=-2, temp_6=-1, temp_7=-2, x_0=-1, x_8=-1, y_1=-1, y_9=-1] [L80] 5 assume !f2_11; VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_12=-3, temp_13=-2, temp_14=-3, temp_15=-2, temp_4=-3, temp_5=-2, temp_6=-1, temp_7=-2, x_0=-1, x_8=-1, y_1=-1, y_9=-1] [L30] 3 temp_4 := x_0; VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_12=-3, temp_13=-2, temp_14=-3, temp_15=-2, temp_4=-1, temp_5=-2, temp_6=-1, temp_7=-2, x_0=-1, x_8=-1, y_1=-1, y_9=-1] [L46] 4 y_1 := temp_6 + 1; VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_12=-3, temp_13=-2, temp_14=-3, temp_15=-2, temp_4=-1, temp_5=-2, temp_6=-1, temp_7=-2, x_0=-1, x_8=-1, y_1=0, y_9=-1] [L31] 3 x_0 := temp_4 + 1; VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_12=-3, temp_13=-2, temp_14=-3, temp_15=-2, temp_4=-1, temp_5=-2, temp_6=-1, temp_7=-2, x_0=0, x_8=-1, y_1=0, y_9=-1] [L47] 4 f2_3 := true; VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=true, temp_12=-3, temp_13=-2, temp_14=-3, temp_15=-2, temp_4=-1, temp_5=-2, temp_6=-1, temp_7=-2, x_0=0, x_8=-1, y_1=0, y_9=-1] [L32] 3 f1_2 := true; VAL [f1_10=false, f1_2=true, f2_11=false, f2_3=true, temp_12=-3, temp_13=-2, temp_14=-3, temp_15=-2, temp_4=-1, temp_5=-2, temp_6=-1, temp_7=-2, x_0=0, x_8=-1, y_1=0, y_9=-1] [L48] 4 assume f1_2; VAL [f1_10=false, f1_2=true, f2_11=false, f2_3=true, temp_12=-3, temp_13=-2, temp_14=-3, temp_15=-2, temp_4=-1, temp_5=-2, temp_6=-1, temp_7=-2, x_0=0, x_8=-1, y_1=0, y_9=-1] [L108] JOIN 5 join 5, 5, 5, 5, 5; VAL [f1_10=false, f1_2=true, f2_11=false, f2_3=true, temp_12=-3, temp_13=-2, temp_14=-3, temp_15=-2, temp_4=-1, temp_5=-2, temp_6=-1, temp_7=-2, x_0=0, x_8=-1, y_1=0, y_9=-1] [L109] JOIN 6 join 6, 6, 6, 6, 6, 6; VAL [f1_10=false, f1_2=true, f2_11=false, f2_3=true, temp_12=-3, temp_13=-2, temp_14=-3, temp_15=-2, temp_4=-1, temp_5=-2, temp_6=-1, temp_7=-2, x_0=0, x_8=-1, y_1=0, y_9=-1] [L33] 3 assume f2_3; VAL [f1_10=false, f1_2=true, f2_11=false, f2_3=true, temp_12=-3, temp_13=-2, temp_14=-3, temp_15=-2, temp_4=-1, temp_5=-2, temp_6=-1, temp_7=-2, x_0=0, x_8=-1, y_1=0, y_9=-1] [L49] 4 temp_7 := x_0; VAL [f1_10=false, f1_2=true, f2_11=false, f2_3=true, temp_12=-3, temp_13=-2, temp_14=-3, temp_15=-2, temp_4=-1, temp_5=-2, temp_6=-1, temp_7=0, x_0=0, x_8=-1, y_1=0, y_9=-1] [L34] 3 temp_5 := y_1; VAL [f1_10=false, f1_2=true, f2_11=false, f2_3=true, temp_12=-3, temp_13=-2, temp_14=-3, temp_15=-2, temp_4=-1, temp_5=0, temp_6=-1, temp_7=0, x_0=0, x_8=-1, y_1=0, y_9=-1] [L50] 4 x_0 := temp_7 + 1; VAL [f1_10=false, f1_2=true, f2_11=false, f2_3=true, temp_12=-3, temp_13=-2, temp_14=-3, temp_15=-2, temp_4=-1, temp_5=0, temp_6=-1, temp_7=0, x_0=1, x_8=-1, y_1=0, y_9=-1] [L35] 3 y_1 := temp_5 + 1; VAL [f1_10=false, f1_2=true, f2_11=false, f2_3=true, temp_12=-3, temp_13=-2, temp_14=-3, temp_15=-2, temp_4=-1, temp_5=0, temp_6=-1, temp_7=0, x_0=1, x_8=-1, y_1=1, y_9=-1] [L51] 4 f2_3 := false; VAL [f1_10=false, f1_2=true, f2_11=false, f2_3=false, temp_12=-3, temp_13=-2, temp_14=-3, temp_15=-2, temp_4=-1, temp_5=0, temp_6=-1, temp_7=0, x_0=1, x_8=-1, y_1=1, y_9=-1] [L36] 3 f1_2 := false; VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_12=-3, temp_13=-2, temp_14=-3, temp_15=-2, temp_4=-1, temp_5=0, temp_6=-1, temp_7=0, x_0=1, x_8=-1, y_1=1, y_9=-1] [L52] 4 assume !f1_2; VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_12=-3, temp_13=-2, temp_14=-3, temp_15=-2, temp_4=-1, temp_5=0, temp_6=-1, temp_7=0, x_0=1, x_8=-1, y_1=1, y_9=-1] [L37] 3 assume !f2_3; VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_12=-3, temp_13=-2, temp_14=-3, temp_15=-2, temp_4=-1, temp_5=0, temp_6=-1, temp_7=0, x_0=1, x_8=-1, y_1=1, y_9=-1] [L65] JOIN 3 join 2, 2; VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_12=-3, temp_13=-2, temp_14=-3, temp_15=-2, temp_4=-1, temp_5=0, temp_6=-1, temp_7=0, x_0=1, x_8=-1, y_1=1, y_9=-1] [L66] JOIN 4 join 3, 3, 3; VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_12=-3, temp_13=-2, temp_14=-3, temp_15=-2, temp_4=-1, temp_5=0, temp_6=-1, temp_7=0, x_0=1, x_8=-1, y_1=1, y_9=-1] [L118] JOIN 1 join 1; VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_12=-3, temp_13=-2, temp_14=-3, temp_15=-2, temp_4=-1, temp_5=0, temp_6=-1, temp_7=0, x_0=1, x_8=-1, y_1=1, y_9=-1] [L119] JOIN 2 join 4, 4, 4, 4; VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_12=-3, temp_13=-2, temp_14=-3, temp_15=-2, temp_4=-1, temp_5=0, temp_6=-1, temp_7=0, x_0=1, x_8=-1, y_1=1, y_9=-1] [L120] 0 assume !(x_0 == x_8 && y_1 == y_9); VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_12=-3, temp_13=-2, temp_14=-3, temp_15=-2, temp_4=-1, temp_5=0, temp_6=-1, temp_7=0, x_0=1, x_8=-1, y_1=1, y_9=-1] [L121] 0 assert false; VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_12=-3, temp_13=-2, temp_14=-3, temp_15=-2, temp_4=-1, temp_5=0, temp_6=-1, temp_7=0, x_0=1, x_8=-1, y_1=1, y_9=-1] - UnprovableResult [Line: 116]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread4Thread1of1ForFork3 with 1 thread instances CFG has 13 procedures, 120 locations, 11 error locations. Started 1 CEGAR loops. OverallTime: 416.5ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14.5ms, PartialOrderReductionTime: 346.0ms, 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, 120 locations, 11 error locations. Started 1 CEGAR loops. OverallTime: 2413.9ms, OverallIterations: 8, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.6ms, PartialOrderReductionTime: 1307.4ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 21, 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: 52.3ms SsaConstructionTime, 136.7ms SatisfiabilityAnalysisTime, 686.7ms InterpolantComputationTime, 2400 NumberOfCodeBlocks, 2400 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 2322 ConstructedInterpolants, 0 QuantifiedInterpolants, 2380 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 19287/19287 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-10-22 13:23:53,233 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Ended with exit code 0 [2021-10-22 13:23:53,438 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 [2021-10-22 13:23:53,639 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...