/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-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 0.2.1-87fd7473a0bda1db0ad7f77f2116346063730f21-87fd747 [2021-08-23 01:22:56,419 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-23 01:22:56,422 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-23 01:22:56,461 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-23 01:22:56,516 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-23 01:22:56,517 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-23 01:22:56,517 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-23 01:22:56,518 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-NoLbe-Lockstep.epf [2021-08-23 01:22:56,554 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-23 01:22:56,555 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-23 01:22:56,555 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-23 01:22:56,555 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-23 01:22:56,558 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-23 01:22:56,558 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-23 01:22:56,558 INFO L138 SettingsManager]: * Use SBE=true [2021-08-23 01:22:56,559 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-23 01:22:56,559 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-23 01:22:56,559 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-23 01:22:56,559 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-23 01:22:56,559 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-23 01:22:56,560 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-23 01:22:56,560 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-23 01:22:56,560 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-23 01:22:56,560 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-23 01:22:56,560 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-23 01:22:56,560 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-23 01:22:56,560 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-23 01:22:56,561 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-23 01:22:56,561 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-23 01:22:56,561 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-23 01:22:56,561 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-23 01:22:56,561 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-23 01:22:56,561 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-23 01:22:56,562 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-23 01:22:56,562 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-23 01:22:56,562 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-23 01:22:56,562 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-08-23 01:22:56,562 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-23 01:22:56,562 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-23 01:22:56,563 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-23 01:22:56,563 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-23 01:22:56,563 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-08-23 01:22:56,563 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-08-23 01:22:56,563 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-23 01:22:56,860 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-23 01:22:56,886 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-23 01:22:56,889 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-23 01:22:56,890 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-23 01:22:56,891 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-23 01:22:56,891 INFO L432 ainManager$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 [2021-08-23 01:22:56,892 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/barrier-loop.wvr.bpl' [2021-08-23 01:22:56,927 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-23 01:22:56,929 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-23 01:22:56,931 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-23 01:22:56,932 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-23 01:22:56,932 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-23 01:22:56,944 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 23.08 01:22:56" (1/1) ... [2021-08-23 01:22:56,952 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 23.08 01:22:56" (1/1) ... [2021-08-23 01:22:56,960 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-23 01:22:56,961 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-23 01:22:56,961 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-23 01:22:56,961 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-23 01:22:56,968 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:22:56" (1/1) ... [2021-08-23 01:22:56,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:22:56" (1/1) ... [2021-08-23 01:22:56,971 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:22:56" (1/1) ... [2021-08-23 01:22:56,971 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:22:56" (1/1) ... [2021-08-23 01:22:56,977 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:22:56" (1/1) ... [2021-08-23 01:22:56,981 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:22:56" (1/1) ... [2021-08-23 01:22:56,983 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:22:56" (1/1) ... [2021-08-23 01:22:56,987 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-23 01:22:56,988 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-23 01:22:56,989 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-23 01:22:56,989 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-23 01:22:56,992 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:22:56" (1/1) ... [2021-08-23 01:22:56,997 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-23 01:22:57,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:22:57,018 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-23 01:22:57,037 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-23 01:22:57,062 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-08-23 01:22:57,062 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-08-23 01:22:57,063 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-08-23 01:22:57,063 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-08-23 01:22:57,063 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-08-23 01:22:57,063 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-08-23 01:22:57,064 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-23 01:22:57,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-23 01:22:57,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-23 01:22:57,065 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-08-23 01:22:57,066 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-08-23 01:22:57,066 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-08-23 01:22:57,066 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-08-23 01:22:57,066 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-08-23 01:22:57,067 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-08-23 01:22:57,067 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2021-08-23 01:22:57,067 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-08-23 01:22:57,069 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-08-23 01:22:57,069 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2021-08-23 01:22:57,070 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2021-08-23 01:22:57,070 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2021-08-23 01:22:57,071 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-23 01:22:57,238 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-23 01:22:57,239 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-08-23 01:22:57,241 INFO L202 PluginConnector]: Adding new model barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 01:22:57 BoogieIcfgContainer [2021-08-23 01:22:57,241 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-23 01:22:57,242 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-23 01:22:57,243 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-23 01:22:57,245 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-23 01:22:57,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:22:56" (1/2) ... [2021-08-23 01:22:57,246 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c2d67e1 and model type barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.08 01:22:57, skipping insertion in model container [2021-08-23 01:22:57,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 01:22:57" (2/2) ... [2021-08-23 01:22:57,247 INFO L111 eAbstractionObserver]: Analyzing ICFG barrier-loop.wvr.bpl [2021-08-23 01:22:57,251 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-23 01:22:57,251 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-23 01:22:57,251 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-23 01:22:57,252 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-23 01:22:57,415 INFO L148 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2021-08-23 01:22:57,452 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-23 01:22:57,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:22:57,453 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) [2021-08-23 01:22:57,454 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 [2021-08-23 01:22:57,485 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread4Thread1of1ForFork3 ======== [2021-08-23 01:22:57,490 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 [2021-08-23 01:22:57,491 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-08-23 01:22:57,990 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread4Thread1of1ForFork3Err4INUSE_VIOLATION [2021-08-23 01:22:57,991 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread4Thread1of1ForFork3Err6INUSE_VIOLATION [2021-08-23 01:22:58,000 INFO L308 ceAbstractionStarter]: Result for error location thread4Thread1of1ForFork3 was SAFE,SAFE (1/3) [2021-08-23 01:22:58,011 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-23 01:22:58,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:22:58,020 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) [2021-08-23 01:22:58,027 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-23 01:22:58,028 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 [2021-08-23 01:22:58,028 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-23 01:22:58,036 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 [2021-08-23 01:22:58,616 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION] === [2021-08-23 01:22:58,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:22:58,622 INFO L82 PathProgramCache]: Analyzing trace with hash -434325162, now seen corresponding path program 1 times [2021-08-23 01:22:58,629 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:22:58,629 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21820297] [2021-08-23 01:22:58,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:22:58,630 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:22:58,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:22:59,136 INFO L134 CoverageAnalysis]: Checked inductivity of 15429 backedges. 289 proven. 0 refuted. 0 times theorem prover too weak. 15140 trivial. 0 not checked. [2021-08-23 01:22:59,136 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 01:22:59,137 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21820297] [2021-08-23 01:22:59,137 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21820297] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-23 01:22:59,137 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-23 01:22:59,138 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-23 01:22:59,139 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699942738] [2021-08-23 01:22:59,145 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-23 01:22:59,145 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 01:22:59,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-23 01:22:59,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-23 01:22:59,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:22:59,157 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 01:22:59,158 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) [2021-08-23 01:22:59,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:22:59,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:22:59,190 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-23 01:22:59,190 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION] === [2021-08-23 01:22:59,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:22:59,191 INFO L82 PathProgramCache]: Analyzing trace with hash 681401813, now seen corresponding path program 2 times [2021-08-23 01:22:59,191 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:22:59,191 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535492753] [2021-08-23 01:22:59,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:22:59,191 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:22:59,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:22:59,245 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 303 trivial. 0 not checked. [2021-08-23 01:22:59,245 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 01:22:59,246 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535492753] [2021-08-23 01:22:59,247 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535492753] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-23 01:22:59,247 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-23 01:22:59,247 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-23 01:22:59,247 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295435309] [2021-08-23 01:22:59,248 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-23 01:22:59,248 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 01:22:59,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-23 01:22:59,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-23 01:22:59,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:22:59,253 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 01:22:59,253 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) [2021-08-23 01:22:59,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:22:59,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:22:59,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:22:59,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:22:59,357 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-23 01:22:59,357 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION] === [2021-08-23 01:22:59,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:22:59,358 INFO L82 PathProgramCache]: Analyzing trace with hash 1304868754, now seen corresponding path program 3 times [2021-08-23 01:22:59,358 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:22:59,358 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264735144] [2021-08-23 01:22:59,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:22:59,359 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:22:59,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:22:59,471 INFO L134 CoverageAnalysis]: Checked inductivity of 1309 backedges. 229 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2021-08-23 01:22:59,472 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 01:22:59,473 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264735144] [2021-08-23 01:22:59,473 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264735144] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-23 01:22:59,473 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-23 01:22:59,473 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-23 01:22:59,473 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491605792] [2021-08-23 01:22:59,474 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-23 01:22:59,475 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 01:22:59,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-23 01:22:59,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-23 01:22:59,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:22:59,475 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 01:22:59,475 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) [2021-08-23 01:22:59,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:22:59,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:22:59,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:22:59,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:22:59,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:22:59,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:22:59,518 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-23 01:22:59,518 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION] === [2021-08-23 01:22:59,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:22:59,519 INFO L82 PathProgramCache]: Analyzing trace with hash -1239392864, now seen corresponding path program 4 times [2021-08-23 01:22:59,519 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:22:59,520 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423229961] [2021-08-23 01:22:59,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:22:59,521 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:22:59,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:22:59,604 INFO L134 CoverageAnalysis]: Checked inductivity of 1309 backedges. 449 proven. 0 refuted. 0 times theorem prover too weak. 860 trivial. 0 not checked. [2021-08-23 01:22:59,609 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 01:22:59,609 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423229961] [2021-08-23 01:22:59,610 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423229961] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-23 01:22:59,610 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-23 01:22:59,610 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-23 01:22:59,610 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893240571] [2021-08-23 01:22:59,611 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-23 01:22:59,611 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 01:22:59,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-23 01:22:59,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-23 01:22:59,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:22:59,612 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 01:22:59,612 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) [2021-08-23 01:22:59,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:22:59,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:22:59,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:22:59,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:22:59,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:22:59,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:22:59,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:22:59,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:22:59,668 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-23 01:22:59,668 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION] === [2021-08-23 01:22:59,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:22:59,669 INFO L82 PathProgramCache]: Analyzing trace with hash -721963009, now seen corresponding path program 5 times [2021-08-23 01:22:59,669 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:22:59,669 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610022161] [2021-08-23 01:22:59,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:22:59,670 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:22:59,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:22:59,717 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 201 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2021-08-23 01:22:59,717 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 01:22:59,717 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610022161] [2021-08-23 01:22:59,717 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610022161] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-23 01:22:59,717 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-23 01:22:59,717 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-23 01:22:59,718 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713590286] [2021-08-23 01:22:59,718 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-23 01:22:59,718 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 01:22:59,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-23 01:22:59,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-23 01:22:59,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:22:59,722 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 01:22:59,724 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) [2021-08-23 01:22:59,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:22:59,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:22:59,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:22:59,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:22:59,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:23:00,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:23:00,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:23:00,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:23:00,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:23:00,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:23:00,059 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-23 01:23:00,059 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION] === [2021-08-23 01:23:00,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:23:00,059 INFO L82 PathProgramCache]: Analyzing trace with hash 150852521, now seen corresponding path program 6 times [2021-08-23 01:23:00,059 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:23:00,059 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239290171] [2021-08-23 01:23:00,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:23:00,060 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:23:00,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:23:00,095 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2021-08-23 01:23:00,095 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 01:23:00,095 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239290171] [2021-08-23 01:23:00,096 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239290171] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-23 01:23:00,096 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-23 01:23:00,096 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-23 01:23:00,096 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113137828] [2021-08-23 01:23:00,096 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-23 01:23:00,096 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 01:23:00,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-23 01:23:00,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-23 01:23:00,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:23:00,097 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 01:23:00,097 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) [2021-08-23 01:23:00,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:23:00,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:23:00,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:23:00,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:23:00,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:23:00,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:23:00,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:23:00,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:23:00,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:23:00,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:23:00,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:23:00,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:23:00,405 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-23 01:23:00,405 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION] === [2021-08-23 01:23:00,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:23:00,406 INFO L82 PathProgramCache]: Analyzing trace with hash 1066520673, now seen corresponding path program 7 times [2021-08-23 01:23:00,406 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:23:00,406 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785707998] [2021-08-23 01:23:00,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:23:00,406 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:23:00,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:23:00,441 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2021-08-23 01:23:00,441 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 01:23:00,441 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785707998] [2021-08-23 01:23:00,441 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785707998] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-23 01:23:00,441 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-23 01:23:00,441 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-23 01:23:00,442 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322870667] [2021-08-23 01:23:00,442 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-23 01:23:00,442 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 01:23:00,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-23 01:23:00,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-23 01:23:00,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:23:00,443 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 01:23:00,443 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) [2021-08-23 01:23:00,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:23:00,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:23:00,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:23:00,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:23:00,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:23:00,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:23:00,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:23:00,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:23:00,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:23:00,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:23:00,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:23:00,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:23:00,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:23:00,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:23:00,509 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-23 01:23:00,513 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION] === [2021-08-23 01:23:00,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:23:00,514 INFO L82 PathProgramCache]: Analyzing trace with hash -283878989, now seen corresponding path program 8 times [2021-08-23 01:23:00,514 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:23:00,514 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499493699] [2021-08-23 01:23:00,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:23:00,514 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:23:00,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-23 01:23:00,535 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-23 01:23:00,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-23 01:23:00,579 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-23 01:23:00,579 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-08-23 01:23:00,580 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT [2021-08-23 01:23:00,581 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8INUSE_VIOLATION [2021-08-23 01:23:00,581 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9INUSE_VIOLATION [2021-08-23 01:23:00,581 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-23 01:23:00,584 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN (2/3) [2021-08-23 01:23:00,587 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-23 01:23:00,588 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-23 01:23:00,621 INFO L202 PluginConnector]: Adding new model barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.08 01:23:00 BasicIcfg [2021-08-23 01:23:00,621 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-23 01:23:00,623 INFO L168 Benchmark]: Toolchain (without parser) took 3692.93 ms. Allocated memory was 181.4 MB in the beginning and 238.0 MB in the end (delta: 56.6 MB). Free memory was 162.0 MB in the beginning and 121.6 MB in the end (delta: 40.4 MB). Peak memory consumption was 97.7 MB. Max. memory is 8.0 GB. [2021-08-23 01:23:00,623 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 181.4 MB. Free memory is still 163.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-23 01:23:00,623 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.47 ms. Allocated memory is still 181.4 MB. Free memory was 161.9 MB in the beginning and 160.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-23 01:23:00,623 INFO L168 Benchmark]: Boogie Preprocessor took 26.07 ms. Allocated memory is still 181.4 MB. Free memory was 160.5 MB in the beginning and 159.3 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-23 01:23:00,624 INFO L168 Benchmark]: RCFGBuilder took 252.59 ms. Allocated memory is still 181.4 MB. Free memory was 159.3 MB in the beginning and 143.7 MB in the end (delta: 15.6 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2021-08-23 01:23:00,624 INFO L168 Benchmark]: TraceAbstraction took 3378.79 ms. Allocated memory was 181.4 MB in the beginning and 238.0 MB in the end (delta: 56.6 MB). Free memory was 143.2 MB in the beginning and 121.6 MB in the end (delta: 21.5 MB). Peak memory consumption was 78.8 MB. Max. memory is 8.0 GB. [2021-08-23 01:23:00,626 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 181.4 MB. Free memory is still 163.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 28.47 ms. Allocated memory is still 181.4 MB. Free memory was 161.9 MB in the beginning and 160.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 26.07 ms. Allocated memory is still 181.4 MB. Free memory was 160.5 MB in the beginning and 159.3 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 252.59 ms. Allocated memory is still 181.4 MB. Free memory was 159.3 MB in the beginning and 143.7 MB in the end (delta: 15.6 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 3378.79 ms. Allocated memory was 181.4 MB in the beginning and 238.0 MB in the end (delta: 56.6 MB). Free memory was 143.2 MB in the beginning and 121.6 MB in the end (delta: 21.5 MB). Peak memory consumption was 78.8 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: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5616, positive: 5525, positive conditional: 2450, positive unconditional: 3075, negative: 91, negative conditional: 60, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5616, positive: 5525, positive conditional: 2450, positive unconditional: 3075, negative: 91, negative conditional: 60, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.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] , SemanticConditionEliminator.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: 135, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 127, negative conditional: 0, negative unconditional: 127, 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, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 99 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 278, Number of persistent set computation: 268, Number of trivial persistent sets: 169, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3106, positive: 3075, positive conditional: 0, positive unconditional: 3075, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying 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: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5616, positive: 5525, positive conditional: 2450, positive unconditional: 3075, negative: 91, negative conditional: 60, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5616, positive: 5525, positive conditional: 2450, positive unconditional: 3075, negative: 91, negative conditional: 60, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.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] , SemanticConditionEliminator.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: 135, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 127, negative conditional: 0, negative unconditional: 127, 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, Eliminated conditions: 0, Maximal queried relation: 0, 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: 48572, positive conditional: 44066, positive unconditional: 4506, negative: 3137, negative conditional: 3085, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 49857, positive: 48572, positive conditional: 44066, positive unconditional: 4506, negative: 1285, negative conditional: 1233, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 49857, positive: 48572, positive conditional: 44066, positive unconditional: 4506, negative: 1285, negative conditional: 1233, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 52467, positive: 48572, positive conditional: 34393, positive unconditional: 14179, negative: 3895, negative conditional: 2610, negative unconditional: 1285, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 52467, positive: 48572, positive conditional: 6070, positive unconditional: 42502, negative: 3895, negative conditional: 410, negative unconditional: 3485, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 52467, positive: 48572, positive conditional: 6070, positive unconditional: 42502, negative: 3895, negative conditional: 410, negative unconditional: 3485, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3426, positive: 3366, positive conditional: 9, positive unconditional: 3357, negative: 60, negative conditional: 8, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3426, positive: 3346, positive conditional: 0, positive unconditional: 3346, negative: 80, negative conditional: 0, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 80, positive: 20, positive conditional: 4, positive unconditional: 16, negative: 60, negative conditional: 8, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 165, positive: 19, positive conditional: 3, positive unconditional: 16, negative: 146, negative conditional: 20, negative unconditional: 126, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 52467, positive: 45206, positive conditional: 6061, positive unconditional: 39145, negative: 3835, negative conditional: 402, negative unconditional: 3433, unknown: 3426, unknown conditional: 17, unknown unconditional: 3409] , Statistics on independence cache: Total cache size (in pairs): 3426, Positive cache size: 3366, Positive conditional cache size: 9, Positive unconditional cache size: 3357, Negative cache size: 60, Negative conditional cache size: 8, Negative unconditional cache size: 52, Eliminated conditions: 30523, Maximal queried relation: 4, Independence queries for same thread: 1852 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 517, Number of persistent set computation: 3176, Number of trivial persistent sets: 1821, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4558, positive: 4506, positive conditional: 0, positive unconditional: 4506, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 51709, positive: 48572, positive conditional: 44066, positive unconditional: 4506, negative: 3137, negative conditional: 3085, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 49857, positive: 48572, positive conditional: 44066, positive unconditional: 4506, negative: 1285, negative conditional: 1233, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 49857, positive: 48572, positive conditional: 44066, positive unconditional: 4506, negative: 1285, negative conditional: 1233, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 52467, positive: 48572, positive conditional: 34393, positive unconditional: 14179, negative: 3895, negative conditional: 2610, negative unconditional: 1285, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 52467, positive: 48572, positive conditional: 6070, positive unconditional: 42502, negative: 3895, negative conditional: 410, negative unconditional: 3485, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 52467, positive: 48572, positive conditional: 6070, positive unconditional: 42502, negative: 3895, negative conditional: 410, negative unconditional: 3485, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3426, positive: 3366, positive conditional: 9, positive unconditional: 3357, negative: 60, negative conditional: 8, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3426, positive: 3346, positive conditional: 0, positive unconditional: 3346, negative: 80, negative conditional: 0, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 80, positive: 20, positive conditional: 4, positive unconditional: 16, negative: 60, negative conditional: 8, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 165, positive: 19, positive conditional: 3, positive unconditional: 16, negative: 146, negative conditional: 20, negative unconditional: 126, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 52467, positive: 45206, positive conditional: 6061, positive unconditional: 39145, negative: 3835, negative conditional: 402, negative unconditional: 3433, unknown: 3426, unknown conditional: 17, unknown unconditional: 3409] , Statistics on independence cache: Total cache size (in pairs): 3426, Positive cache size: 3366, Positive conditional cache size: 9, Positive unconditional cache size: 3357, Negative cache size: 60, Negative conditional cache size: 8, Negative unconditional cache size: 52, Eliminated conditions: 30523, Maximal queried relation: 4, 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: 551.1ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 28.2ms, PartialOrderReductionTime: 451.0ms, 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: 2573.2ms, OverallIterations: 8, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.6ms, PartialOrderReductionTime: 1523.6ms, 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: 53.0ms SsaConstructionTime, 147.9ms SatisfiabilityAnalysisTime, 603.0ms 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! [2021-08-23 01:23:00,672 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2021-08-23 01:23:00,874 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2021-08-23 01:23:01,074 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...