/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 [2021-10-25 01:05:48,719 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-25 01:05:48,720 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-25 01:05:48,779 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-10-25 01:05:48,793 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-25 01:05:48,795 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-25 01:05:48,797 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-25 01:05:48,799 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-25 01:05:48,800 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-25 01:05:48,800 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-25 01:05:48,802 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-25 01:05:48,805 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-25 01:05:48,806 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-25 01:05:48,809 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-25 01:05:48,810 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-25 01:05:48,810 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-25 01:05:48,812 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-10-25 01:05:48,816 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-25 01:05:48,817 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-25 01:05:48,817 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-25 01:05:48,822 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 [2021-10-25 01:05:48,849 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-25 01:05:48,849 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-25 01:05:48,849 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-25 01:05:48,849 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-25 01:05:48,850 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-25 01:05:48,850 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-25 01:05:48,850 INFO L138 SettingsManager]: * Use SBE=true [2021-10-25 01:05:48,850 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-25 01:05:48,851 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-25 01:05:48,851 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-25 01:05:48,851 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-25 01:05:48,851 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-25 01:05:48,852 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-25 01:05:48,853 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-25 01:05:48,853 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-25 01:05:48,853 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-25 01:05:48,853 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-25 01:05:48,853 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-25 01:05:48,853 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-25 01:05:48,853 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-25 01:05:48,853 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-25 01:05:48,853 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-25 01:05:48,853 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-25 01:05:48,854 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-25 01:05:48,854 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-25 01:05:48,854 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-25 01:05:48,854 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-25 01:05:48,855 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-25 01:05:48,855 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-10-25 01:05:48,855 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-25 01:05:48,856 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-25 01:05:48,856 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-25 01:05:48,856 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-25 01:05:48,856 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-25 01:05:48,856 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-25 01:05:48,856 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-25 01:05:48,857 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-25 01:05:49,039 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-25 01:05:49,054 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-25 01:05:49,055 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-25 01:05:49,056 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-10-25 01:05:49,057 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-10-25 01:05:49,057 INFO L432 ainManager$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 [2021-10-25 01:05:49,057 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/barrier-loop.wvr.bpl' [2021-10-25 01:05:49,078 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-25 01:05:49,079 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-10-25 01:05:49,085 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-25 01:05:49,085 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-25 01:05:49,085 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-25 01:05:49,092 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 25.10 01:05:49" (1/1) ... [2021-10-25 01:05:49,104 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 25.10 01:05:49" (1/1) ... [2021-10-25 01:05:49,109 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-25 01:05:49,110 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-25 01:05:49,110 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-25 01:05:49,110 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-25 01:05:49,115 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 01:05:49" (1/1) ... [2021-10-25 01:05:49,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 01:05:49" (1/1) ... [2021-10-25 01:05:49,116 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 01:05:49" (1/1) ... [2021-10-25 01:05:49,116 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 01:05:49" (1/1) ... [2021-10-25 01:05:49,118 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 01:05:49" (1/1) ... [2021-10-25 01:05:49,119 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 01:05:49" (1/1) ... [2021-10-25 01:05:49,120 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 01:05:49" (1/1) ... [2021-10-25 01:05:49,121 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-25 01:05:49,121 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-25 01:05:49,121 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-25 01:05:49,121 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-25 01:05:49,122 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 01:05:49" (1/1) ... [2021-10-25 01:05:49,130 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-25 01:05:49,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 01:05:49,142 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 01:05:49,162 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 01:05:49,171 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-10-25 01:05:49,172 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-25 01:05:49,172 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-25 01:05:49,172 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-10-25 01:05:49,172 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-25 01:05:49,172 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-25 01:05:49,172 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-10-25 01:05:49,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-25 01:05:49,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-25 01:05:49,172 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-10-25 01:05:49,172 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-25 01:05:49,173 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-25 01:05:49,173 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-10-25 01:05:49,173 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-10-25 01:05:49,173 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-10-25 01:05:49,173 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2021-10-25 01:05:49,173 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-10-25 01:05:49,173 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-10-25 01:05:49,173 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2021-10-25 01:05:49,173 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2021-10-25 01:05:49,173 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2021-10-25 01:05:49,174 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 01:05:49,351 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-25 01:05:49,352 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-25 01:05:49,353 INFO L202 PluginConnector]: Adding new model barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 01:05:49 BoogieIcfgContainer [2021-10-25 01:05:49,353 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-25 01:05:49,354 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-25 01:05:49,354 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-25 01:05:49,356 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-25 01:05:49,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 01:05:49" (1/2) ... [2021-10-25 01:05:49,357 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@91b315 and model type barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 01:05:49, skipping insertion in model container [2021-10-25 01:05:49,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 01:05:49" (2/2) ... [2021-10-25 01:05:49,358 INFO L111 eAbstractionObserver]: Analyzing ICFG barrier-loop.wvr.bpl [2021-10-25 01:05:49,361 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-25 01:05:49,361 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-25 01:05:49,361 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-25 01:05:49,361 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-25 01:05:49,458 INFO L148 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2021-10-25 01:05:49,488 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-25 01:05:49,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 01:05:49,490 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 01:05:49,507 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 01:05:49,526 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread4Thread1of1ForFork3 ======== [2021-10-25 01:05:49,529 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 01:05:49,530 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-10-25 01:05:49,833 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread4Thread1of1ForFork3Err4INUSE_VIOLATION [2021-10-25 01:05:49,833 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread4Thread1of1ForFork3Err6INUSE_VIOLATION [2021-10-25 01:05:49,839 INFO L308 ceAbstractionStarter]: Result for error location thread4Thread1of1ForFork3 was SAFE,SAFE (1/3) [2021-10-25 01:05:49,842 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-25 01:05:49,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 01:05:49,843 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 01:05:49,844 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 01:05:49,845 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-25 01:05:49,846 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 01:05:49,846 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-25 01:05:50,252 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION] === [2021-10-25 01:05:50,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 01:05:50,258 INFO L82 PathProgramCache]: Analyzing trace with hash -434325162, now seen corresponding path program 1 times [2021-10-25 01:05:50,264 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 01:05:50,264 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802373477] [2021-10-25 01:05:50,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 01:05:50,264 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 01:05:50,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 01:05:50,716 INFO L134 CoverageAnalysis]: Checked inductivity of 15429 backedges. 289 proven. 0 refuted. 0 times theorem prover too weak. 15140 trivial. 0 not checked. [2021-10-25 01:05:50,716 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 01:05:50,717 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802373477] [2021-10-25 01:05:50,717 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802373477] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-25 01:05:50,717 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-25 01:05:50,717 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-25 01:05:50,719 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510298574] [2021-10-25 01:05:50,725 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-25 01:05:50,725 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 01:05:50,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-25 01:05:50,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-25 01:05:50,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 01:05:50,735 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 01:05:50,735 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) [2021-10-25 01:05:50,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 01:05:50,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 01:05:50,766 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-25 01:05:50,767 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION] === [2021-10-25 01:05:50,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 01:05:50,769 INFO L82 PathProgramCache]: Analyzing trace with hash 681401813, now seen corresponding path program 2 times [2021-10-25 01:05:50,769 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 01:05:50,769 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130435972] [2021-10-25 01:05:50,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 01:05:50,769 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 01:05:50,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 01:05:50,834 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 303 trivial. 0 not checked. [2021-10-25 01:05:50,834 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 01:05:50,834 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130435972] [2021-10-25 01:05:50,834 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130435972] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-25 01:05:50,834 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-25 01:05:50,834 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-25 01:05:50,835 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365330754] [2021-10-25 01:05:50,836 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-25 01:05:50,837 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 01:05:50,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-25 01:05:50,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-25 01:05:50,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 01:05:50,838 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 01:05:50,838 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) [2021-10-25 01:05:50,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 01:05:50,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 01:05:50,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 01:05:50,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 01:05:50,906 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-25 01:05:50,906 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION] === [2021-10-25 01:05:50,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 01:05:50,916 INFO L82 PathProgramCache]: Analyzing trace with hash 1304868754, now seen corresponding path program 3 times [2021-10-25 01:05:50,916 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 01:05:50,916 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982083535] [2021-10-25 01:05:50,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 01:05:50,916 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 01:05:50,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 01:05:50,982 INFO L134 CoverageAnalysis]: Checked inductivity of 1309 backedges. 229 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2021-10-25 01:05:50,982 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 01:05:50,982 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982083535] [2021-10-25 01:05:50,982 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982083535] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-25 01:05:50,982 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-25 01:05:50,983 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-25 01:05:50,983 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001434754] [2021-10-25 01:05:50,983 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-25 01:05:50,983 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 01:05:50,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-25 01:05:50,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-25 01:05:50,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 01:05:50,987 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 01:05:50,987 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) [2021-10-25 01:05:50,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 01:05:50,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 01:05:50,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 01:05:51,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 01:05:51,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 01:05:51,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 01:05:51,014 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-25 01:05:51,014 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION] === [2021-10-25 01:05:51,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 01:05:51,015 INFO L82 PathProgramCache]: Analyzing trace with hash -1239392864, now seen corresponding path program 4 times [2021-10-25 01:05:51,015 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 01:05:51,016 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209600987] [2021-10-25 01:05:51,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 01:05:51,017 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 01:05:51,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 01:05:51,076 INFO L134 CoverageAnalysis]: Checked inductivity of 1309 backedges. 449 proven. 0 refuted. 0 times theorem prover too weak. 860 trivial. 0 not checked. [2021-10-25 01:05:51,076 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 01:05:51,076 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209600987] [2021-10-25 01:05:51,076 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209600987] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-25 01:05:51,077 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-25 01:05:51,077 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-25 01:05:51,077 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165424901] [2021-10-25 01:05:51,078 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-25 01:05:51,078 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 01:05:51,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-25 01:05:51,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-25 01:05:51,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 01:05:51,079 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 01:05:51,079 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) [2021-10-25 01:05:51,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 01:05:51,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 01:05:51,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 01:05:51,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 01:05:51,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 01:05:51,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 01:05:51,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 01:05:51,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 01:05:51,107 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-25 01:05:51,107 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION] === [2021-10-25 01:05:51,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 01:05:51,107 INFO L82 PathProgramCache]: Analyzing trace with hash -721963009, now seen corresponding path program 5 times [2021-10-25 01:05:51,107 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 01:05:51,107 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331269871] [2021-10-25 01:05:51,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 01:05:51,108 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 01:05:51,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 01:05:51,134 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 201 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2021-10-25 01:05:51,134 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 01:05:51,135 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331269871] [2021-10-25 01:05:51,135 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331269871] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-25 01:05:51,135 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-25 01:05:51,135 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-25 01:05:51,135 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978888588] [2021-10-25 01:05:51,135 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-25 01:05:51,135 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 01:05:51,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-25 01:05:51,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-25 01:05:51,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 01:05:51,136 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 01:05:51,136 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) [2021-10-25 01:05:51,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 01:05:51,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 01:05:51,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 01:05:51,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 01:05:51,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 01:05:51,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 01:05:51,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 01:05:51,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 01:05:51,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 01:05:51,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 01:05:51,339 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-25 01:05:51,339 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION] === [2021-10-25 01:05:51,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 01:05:51,340 INFO L82 PathProgramCache]: Analyzing trace with hash 150852521, now seen corresponding path program 6 times [2021-10-25 01:05:51,340 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 01:05:51,340 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697599278] [2021-10-25 01:05:51,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 01:05:51,340 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 01:05:51,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 01:05:51,365 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2021-10-25 01:05:51,365 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 01:05:51,365 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697599278] [2021-10-25 01:05:51,365 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697599278] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-25 01:05:51,365 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-25 01:05:51,365 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-25 01:05:51,365 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846041102] [2021-10-25 01:05:51,366 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-25 01:05:51,366 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 01:05:51,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-25 01:05:51,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-25 01:05:51,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 01:05:51,369 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 01:05:51,369 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) [2021-10-25 01:05:51,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 01:05:51,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 01:05:51,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 01:05:51,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 01:05:51,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 01:05:51,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 01:05:51,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 01:05:51,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 01:05:51,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 01:05:51,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 01:05:51,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 01:05:51,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 01:05:51,528 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-25 01:05:51,528 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION] === [2021-10-25 01:05:51,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 01:05:51,529 INFO L82 PathProgramCache]: Analyzing trace with hash 1066520673, now seen corresponding path program 7 times [2021-10-25 01:05:51,530 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 01:05:51,530 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767242548] [2021-10-25 01:05:51,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 01:05:51,530 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 01:05:51,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 01:05:51,558 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2021-10-25 01:05:51,558 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 01:05:51,558 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767242548] [2021-10-25 01:05:51,558 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767242548] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-25 01:05:51,558 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-25 01:05:51,558 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-25 01:05:51,558 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853691017] [2021-10-25 01:05:51,559 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-25 01:05:51,559 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 01:05:51,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-25 01:05:51,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-25 01:05:51,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 01:05:51,559 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 01:05:51,559 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) [2021-10-25 01:05:51,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 01:05:51,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 01:05:51,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 01:05:51,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 01:05:51,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 01:05:51,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 01:05:51,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 01:05:51,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 01:05:51,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 01:05:51,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 01:05:51,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 01:05:51,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 01:05:51,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 01:05:51,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 01:05:51,598 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-25 01:05:51,601 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION] === [2021-10-25 01:05:51,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 01:05:51,601 INFO L82 PathProgramCache]: Analyzing trace with hash -283878989, now seen corresponding path program 8 times [2021-10-25 01:05:51,601 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 01:05:51,601 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349898146] [2021-10-25 01:05:51,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 01:05:51,602 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 01:05:51,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-25 01:05:51,616 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-25 01:05:51,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-25 01:05:51,644 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-25 01:05:51,644 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-25 01:05:51,645 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT [2021-10-25 01:05:51,645 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8INUSE_VIOLATION [2021-10-25 01:05:51,645 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9INUSE_VIOLATION [2021-10-25 01:05:51,645 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-25 01:05:51,647 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN (2/3) [2021-10-25 01:05:51,649 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-25 01:05:51,649 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-25 01:05:51,697 INFO L202 PluginConnector]: Adding new model barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 01:05:51 BasicIcfg [2021-10-25 01:05:51,697 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-25 01:05:51,699 INFO L168 Benchmark]: Toolchain (without parser) took 2619.08 ms. Allocated memory was 204.5 MB in the beginning and 289.4 MB in the end (delta: 84.9 MB). Free memory was 171.2 MB in the beginning and 187.4 MB in the end (delta: -16.2 MB). Peak memory consumption was 69.4 MB. Max. memory is 8.0 GB. [2021-10-25 01:05:51,699 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.09 ms. Allocated memory is still 204.5 MB. Free memory is still 172.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-25 01:05:51,699 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.48 ms. Allocated memory is still 204.5 MB. Free memory was 171.1 MB in the beginning and 169.7 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-10-25 01:05:51,699 INFO L168 Benchmark]: Boogie Preprocessor took 10.56 ms. Allocated memory is still 204.5 MB. Free memory was 169.7 MB in the beginning and 168.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-25 01:05:51,700 INFO L168 Benchmark]: RCFGBuilder took 232.12 ms. Allocated memory is still 204.5 MB. Free memory was 168.6 MB in the beginning and 153.1 MB in the end (delta: 15.5 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2021-10-25 01:05:51,700 INFO L168 Benchmark]: TraceAbstraction took 2343.24 ms. Allocated memory was 204.5 MB in the beginning and 289.4 MB in the end (delta: 84.9 MB). Free memory was 152.6 MB in the beginning and 187.4 MB in the end (delta: -34.8 MB). Peak memory consumption was 51.6 MB. Max. memory is 8.0 GB. [2021-10-25 01:05:51,702 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.09 ms. Allocated memory is still 204.5 MB. Free memory is still 172.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 24.48 ms. Allocated memory is still 204.5 MB. Free memory was 171.1 MB in the beginning and 169.7 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Preprocessor took 10.56 ms. Allocated memory is still 204.5 MB. Free memory was 169.7 MB in the beginning and 168.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 232.12 ms. Allocated memory is still 204.5 MB. Free memory was 168.6 MB in the beginning and 153.1 MB in the end (delta: 15.5 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2343.24 ms. Allocated memory was 204.5 MB in the beginning and 289.4 MB in the end (delta: 84.9 MB). Free memory was 152.6 MB in the beginning and 187.4 MB in the end (delta: -34.8 MB). Peak memory consumption was 51.6 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: 97, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 93, negative conditional: 0, negative unconditional: 93, 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]: 199, 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: 97, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 93, negative conditional: 0, negative unconditional: 93, 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: 112, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 99, negative conditional: 0, negative unconditional: 99, 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]: 361, 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: 112, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 99, negative conditional: 0, negative unconditional: 99, 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: 352.2ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 15.2ms, PartialOrderReductionTime: 285.7ms, 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, 120 locations, 11 error locations. Started 1 CEGAR loops. OverallTime: 1805.2ms, OverallIterations: 8, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.2ms, PartialOrderReductionTime: 953.1ms, 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: 28.5ms SsaConstructionTime, 109.5ms SatisfiabilityAnalysisTime, 521.7ms 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! [2021-10-25 01:05:51,747 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 [2021-10-25 01:05:51,944 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 01:05:52,155 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...