/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-Random521.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 06:46:07,672 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-23 06:46:07,674 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-23 06:46:07,697 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-23 06:46:07,727 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-23 06:46:07,727 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-23 06:46:07,728 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-23 06:46:07,729 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-Random521.epf [2021-08-23 06:46:07,749 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-23 06:46:07,749 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-23 06:46:07,749 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-23 06:46:07,750 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-23 06:46:07,751 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-23 06:46:07,751 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-23 06:46:07,751 INFO L138 SettingsManager]: * Use SBE=true [2021-08-23 06:46:07,751 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-23 06:46:07,751 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-23 06:46:07,752 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-23 06:46:07,752 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-23 06:46:07,752 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-23 06:46:07,752 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-23 06:46:07,752 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-23 06:46:07,752 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-23 06:46:07,753 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-23 06:46:07,753 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-23 06:46:07,753 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-23 06:46:07,753 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-23 06:46:07,753 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-23 06:46:07,753 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-23 06:46:07,754 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-23 06:46:07,754 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-23 06:46:07,754 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-23 06:46:07,754 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-23 06:46:07,754 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-23 06:46:07,754 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-23 06:46:07,755 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-23 06:46:07,755 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-08-23 06:46:07,755 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-23 06:46:07,755 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-23 06:46:07,755 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-23 06:46:07,755 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-23 06:46:07,756 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-08-23 06:46:07,756 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-08-23 06:46:07,756 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-23 06:46:07,756 INFO L138 SettingsManager]: * Random seed used by POR DFS order=521 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-23 06:46:08,060 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-23 06:46:08,085 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-23 06:46:08,088 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-23 06:46:08,088 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-23 06:46:08,091 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-23 06:46:08,092 INFO L432 ainManager$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 06:46:08,092 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 06:46:08,134 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-23 06:46:08,136 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-23 06:46:08,138 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-23 06:46:08,138 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-23 06:46:08,139 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-23 06:46:08,151 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 06:46:08" (1/1) ... [2021-08-23 06:46:08,159 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 06:46:08" (1/1) ... [2021-08-23 06:46:08,166 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-23 06:46:08,168 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-23 06:46:08,168 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-23 06:46:08,168 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-23 06:46:08,174 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 06:46:08" (1/1) ... [2021-08-23 06:46:08,175 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 06:46:08" (1/1) ... [2021-08-23 06:46:08,177 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 06:46:08" (1/1) ... [2021-08-23 06:46:08,177 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 06:46:08" (1/1) ... [2021-08-23 06:46:08,185 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 06:46:08" (1/1) ... [2021-08-23 06:46:08,188 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 06:46:08" (1/1) ... [2021-08-23 06:46:08,190 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 06:46:08" (1/1) ... [2021-08-23 06:46:08,194 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-23 06:46:08,195 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-23 06:46:08,195 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-23 06:46:08,195 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-23 06:46:08,197 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 06:46:08" (1/1) ... [2021-08-23 06:46:08,203 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-23 06:46:08,210 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 06:46:08,222 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 06:46:08,252 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 06:46:08,269 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-08-23 06:46:08,269 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-08-23 06:46:08,269 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-08-23 06:46:08,269 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-08-23 06:46:08,270 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-08-23 06:46:08,271 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-08-23 06:46:08,271 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-23 06:46:08,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-23 06:46:08,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-23 06:46:08,271 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-08-23 06:46:08,271 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-08-23 06:46:08,272 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-08-23 06:46:08,272 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-08-23 06:46:08,273 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-08-23 06:46:08,273 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-08-23 06:46:08,273 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2021-08-23 06:46:08,274 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-08-23 06:46:08,275 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-08-23 06:46:08,275 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2021-08-23 06:46:08,275 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2021-08-23 06:46:08,275 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2021-08-23 06:46:08,278 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 06:46:08,510 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-23 06:46:08,511 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-08-23 06:46:08,513 INFO L202 PluginConnector]: Adding new model barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 06:46:08 BoogieIcfgContainer [2021-08-23 06:46:08,513 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-23 06:46:08,514 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-23 06:46:08,515 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-23 06:46:08,517 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-23 06:46:08,517 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 06:46:08" (1/2) ... [2021-08-23 06:46:08,518 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e33afdf and model type barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.08 06:46:08, skipping insertion in model container [2021-08-23 06:46:08,518 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 06:46:08" (2/2) ... [2021-08-23 06:46:08,519 INFO L111 eAbstractionObserver]: Analyzing ICFG barrier-loop.wvr.bpl [2021-08-23 06:46:08,540 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-23 06:46:08,540 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-23 06:46:08,540 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-23 06:46:08,541 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-23 06:46:08,658 INFO L148 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2021-08-23 06:46:08,696 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-23 06:46:08,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 06:46:08,698 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 06:46:08,699 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 06:46:08,730 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread4Thread1of1ForFork3 ======== [2021-08-23 06:46:08,735 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 06:46:08,736 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-08-23 06:46:09,377 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread4Thread1of1ForFork3Err4INUSE_VIOLATION [2021-08-23 06:46:09,378 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread4Thread1of1ForFork3Err6INUSE_VIOLATION [2021-08-23 06:46:09,388 INFO L308 ceAbstractionStarter]: Result for error location thread4Thread1of1ForFork3 was SAFE,SAFE (1/3) [2021-08-23 06:46:09,395 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-23 06:46:09,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 06:46:09,401 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 06:46:09,406 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-23 06:46:09,407 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 06:46:09,407 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-23 06:46:09,417 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 06:46:09,499 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION] === [2021-08-23 06:46:09,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 06:46:09,504 INFO L82 PathProgramCache]: Analyzing trace with hash 2024222264, now seen corresponding path program 1 times [2021-08-23 06:46:09,511 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 06:46:09,511 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717506884] [2021-08-23 06:46:09,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 06:46:09,512 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 06:46:09,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 06:46:09,641 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 06:46:09,642 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 06:46:09,642 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717506884] [2021-08-23 06:46:09,643 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717506884] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-23 06:46:09,644 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-23 06:46:09,644 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-23 06:46:09,645 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577040333] [2021-08-23 06:46:09,651 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-23 06:46:09,651 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 06:46:09,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-23 06:46:09,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-23 06:46:09,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 06:46:09,664 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 06:46:09,665 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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 06:46:09,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 06:46:09,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 06:46:09,678 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-23 06:46:09,679 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION] === [2021-08-23 06:46:09,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 06:46:09,686 INFO L82 PathProgramCache]: Analyzing trace with hash -477767669, now seen corresponding path program 1 times [2021-08-23 06:46:09,686 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 06:46:09,686 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075394540] [2021-08-23 06:46:09,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 06:46:09,687 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 06:46:09,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 06:46:09,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 06:46:09,787 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 06:46:09,787 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075394540] [2021-08-23 06:46:09,787 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075394540] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-23 06:46:09,787 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-23 06:46:09,787 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-23 06:46:09,788 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855178441] [2021-08-23 06:46:09,789 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-23 06:46:09,789 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 06:46:09,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-23 06:46:09,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-23 06:46:09,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 06:46:09,790 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 06:46:09,790 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-23 06:46:09,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 06:46:09,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 06:46:09,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 06:46:09,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 06:46:09,816 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-23 06:46:09,816 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION] === [2021-08-23 06:46:09,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 06:46:09,817 INFO L82 PathProgramCache]: Analyzing trace with hash 527247364, now seen corresponding path program 1 times [2021-08-23 06:46:09,817 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 06:46:09,817 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376215168] [2021-08-23 06:46:09,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 06:46:09,818 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 06:46:09,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 06:46:09,869 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 06:46:09,869 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 06:46:09,869 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376215168] [2021-08-23 06:46:09,870 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376215168] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-23 06:46:09,870 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-23 06:46:09,870 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-23 06:46:09,870 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339292793] [2021-08-23 06:46:09,872 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-23 06:46:09,872 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 06:46:09,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-23 06:46:09,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-23 06:46:09,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 06:46:09,873 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 06:46:09,873 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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 06:46:09,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 06:46:09,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 06:46:09,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 06:46:09,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 06:46:09,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 06:46:09,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 06:46:09,895 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-23 06:46:09,895 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION] === [2021-08-23 06:46:09,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 06:46:09,895 INFO L82 PathProgramCache]: Analyzing trace with hash 1548769820, now seen corresponding path program 1 times [2021-08-23 06:46:09,895 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 06:46:09,896 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140757000] [2021-08-23 06:46:09,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 06:46:09,896 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 06:46:09,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 06:46:09,921 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 06:46:09,922 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 06:46:09,922 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140757000] [2021-08-23 06:46:09,922 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140757000] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-23 06:46:09,922 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-23 06:46:09,922 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-23 06:46:09,922 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012226605] [2021-08-23 06:46:09,923 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-23 06:46:09,923 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 06:46:09,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-23 06:46:09,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-23 06:46:09,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 06:46:09,923 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 06:46:09,924 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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 06:46:09,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 06:46:09,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 06:46:09,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 06:46:09,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 06:46:09,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 06:46:09,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 06:46:09,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 06:46:09,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 06:46:09,955 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-23 06:46:09,956 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION] === [2021-08-23 06:46:09,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 06:46:09,956 INFO L82 PathProgramCache]: Analyzing trace with hash -1308387085, now seen corresponding path program 1 times [2021-08-23 06:46:09,956 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 06:46:09,956 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340956975] [2021-08-23 06:46:09,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 06:46:09,957 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 06:46:09,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 06:46:09,983 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 06:46:09,984 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 06:46:09,984 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340956975] [2021-08-23 06:46:09,984 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340956975] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-23 06:46:09,984 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-23 06:46:09,984 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-23 06:46:09,985 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250884500] [2021-08-23 06:46:09,985 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-23 06:46:09,985 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 06:46:09,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-23 06:46:09,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-23 06:46:09,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 06:46:09,986 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 06:46:09,986 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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 06:46:09,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 06:46:09,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 06:46:09,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 06:46:09,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 06:46:09,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 06:46:09,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 06:46:09,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 06:46:09,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 06:46:09,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 06:46:09,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 06:46:09,999 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-23 06:46:10,000 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION] === [2021-08-23 06:46:10,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 06:46:10,000 INFO L82 PathProgramCache]: Analyzing trace with hash 1273233989, now seen corresponding path program 2 times [2021-08-23 06:46:10,000 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 06:46:10,000 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021338861] [2021-08-23 06:46:10,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 06:46:10,001 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 06:46:10,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-23 06:46:10,015 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-23 06:46:10,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-23 06:46:10,112 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-23 06:46:10,112 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-08-23 06:46:10,112 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT [2021-08-23 06:46:10,113 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8INUSE_VIOLATION [2021-08-23 06:46:10,113 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9INUSE_VIOLATION [2021-08-23 06:46:10,113 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-23 06:46:10,115 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN (2/3) [2021-08-23 06:46:10,120 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-23 06:46:10,120 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-23 06:46:10,149 INFO L202 PluginConnector]: Adding new model barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.08 06:46:10 BasicIcfg [2021-08-23 06:46:10,149 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-23 06:46:10,151 INFO L168 Benchmark]: Toolchain (without parser) took 2013.54 ms. Allocated memory was 239.1 MB in the beginning and 295.7 MB in the end (delta: 56.6 MB). Free memory was 219.9 MB in the beginning and 270.1 MB in the end (delta: -50.1 MB). Peak memory consumption was 37.5 MB. Max. memory is 8.0 GB. [2021-08-23 06:46:10,151 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 239.1 MB. Free memory was 221.2 MB in the beginning and 221.1 MB in the end (delta: 140.3 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-08-23 06:46:10,151 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.92 ms. Allocated memory is still 239.1 MB. Free memory was 219.8 MB in the beginning and 218.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-23 06:46:10,152 INFO L168 Benchmark]: Boogie Preprocessor took 26.75 ms. Allocated memory is still 239.1 MB. Free memory was 218.4 MB in the beginning and 217.4 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-23 06:46:10,152 INFO L168 Benchmark]: RCFGBuilder took 317.70 ms. Allocated memory is still 239.1 MB. Free memory was 217.2 MB in the beginning and 201.6 MB in the end (delta: 15.6 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2021-08-23 06:46:10,153 INFO L168 Benchmark]: TraceAbstraction took 1634.86 ms. Allocated memory was 239.1 MB in the beginning and 295.7 MB in the end (delta: 56.6 MB). Free memory was 201.1 MB in the beginning and 270.1 MB in the end (delta: -69.0 MB). Peak memory consumption was 18.7 MB. Max. memory is 8.0 GB. [2021-08-23 06:46:10,155 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 0.13 ms. Allocated memory is still 239.1 MB. Free memory was 221.2 MB in the beginning and 221.1 MB in the end (delta: 140.3 kB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 28.92 ms. Allocated memory is still 239.1 MB. Free memory was 219.8 MB in the beginning and 218.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 26.75 ms. Allocated memory is still 239.1 MB. Free memory was 218.4 MB in the beginning and 217.4 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 317.70 ms. Allocated memory is still 239.1 MB. Free memory was 217.2 MB in the beginning and 201.6 MB in the end (delta: 15.6 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1634.86 ms. Allocated memory was 239.1 MB in the beginning and 295.7 MB in the end (delta: 56.6 MB). Free memory was 201.1 MB in the beginning and 270.1 MB in the end (delta: -69.0 MB). Peak memory consumption was 18.7 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: 6386, positive: 6116, positive conditional: 2857, positive unconditional: 3259, negative: 270, negative conditional: 238, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6184, positive: 6116, positive conditional: 2857, positive unconditional: 3259, negative: 68, negative conditional: 36, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 6184, positive: 6116, positive conditional: 2857, positive unconditional: 3259, negative: 68, negative conditional: 36, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6184, positive: 6116, positive conditional: 0, positive unconditional: 6116, negative: 68, negative conditional: 0, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6184, positive: 6116, positive conditional: 0, positive unconditional: 6116, negative: 68, negative conditional: 0, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6184, positive: 6116, positive conditional: 0, positive unconditional: 6116, negative: 68, negative conditional: 0, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2668, positive: 2636, positive conditional: 0, positive unconditional: 2636, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2668, positive: 2628, positive conditional: 0, positive unconditional: 2628, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 40, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 179, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 171, negative conditional: 0, negative unconditional: 171, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6184, positive: 3480, positive conditional: 0, positive unconditional: 3480, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 2668, unknown conditional: 0, unknown unconditional: 2668] , Statistics on independence cache: Total cache size (in pairs): 2668, Positive cache size: 2636, Positive conditional cache size: 0, Positive unconditional cache size: 2636, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 202 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 385, Number of persistent set computation: 578, Number of trivial persistent sets: 336, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3291, positive: 3259, positive conditional: 0, positive unconditional: 3259, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6386, positive: 6116, positive conditional: 2857, positive unconditional: 3259, negative: 270, negative conditional: 238, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6184, positive: 6116, positive conditional: 2857, positive unconditional: 3259, negative: 68, negative conditional: 36, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 6184, positive: 6116, positive conditional: 2857, positive unconditional: 3259, negative: 68, negative conditional: 36, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6184, positive: 6116, positive conditional: 0, positive unconditional: 6116, negative: 68, negative conditional: 0, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6184, positive: 6116, positive conditional: 0, positive unconditional: 6116, negative: 68, negative conditional: 0, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6184, positive: 6116, positive conditional: 0, positive unconditional: 6116, negative: 68, negative conditional: 0, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2668, positive: 2636, positive conditional: 0, positive unconditional: 2636, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2668, positive: 2628, positive conditional: 0, positive unconditional: 2628, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 40, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 179, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 171, negative conditional: 0, negative unconditional: 171, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6184, positive: 3480, positive conditional: 0, positive unconditional: 3480, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 2668, unknown conditional: 0, unknown unconditional: 2668] , Statistics on independence cache: Total cache size (in pairs): 2668, Positive cache size: 2636, Positive conditional cache size: 0, Positive unconditional cache size: 2636, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 202 - 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: 3288, positive: 3129, positive conditional: 304, positive unconditional: 2825, negative: 159, negative conditional: 124, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3168, positive: 3129, positive conditional: 304, positive unconditional: 2825, negative: 39, negative conditional: 4, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3168, positive: 3129, positive conditional: 304, positive unconditional: 2825, negative: 39, negative conditional: 4, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3178, positive: 3129, positive conditional: 262, positive unconditional: 2867, negative: 49, negative conditional: 10, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3178, positive: 3129, positive conditional: 65, positive unconditional: 3064, negative: 49, negative conditional: 3, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3178, positive: 3129, positive conditional: 65, positive unconditional: 3064, negative: 49, negative conditional: 3, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2647, positive: 2610, positive conditional: 1, positive unconditional: 2609, negative: 37, negative conditional: 2, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2647, positive: 2600, positive conditional: 0, positive unconditional: 2600, negative: 47, negative conditional: 0, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 47, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 37, negative conditional: 2, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 83, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 76, negative conditional: 2, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3178, positive: 519, positive conditional: 64, positive unconditional: 455, negative: 12, negative conditional: 1, negative unconditional: 11, unknown: 2647, unknown conditional: 3, unknown unconditional: 2644] , Statistics on independence cache: Total cache size (in pairs): 2647, Positive cache size: 2610, Positive conditional cache size: 1, Positive unconditional cache size: 2609, Negative cache size: 37, Negative conditional cache size: 2, Negative unconditional cache size: 35, Eliminated conditions: 204, Maximal queried relation: 3, Independence queries for same thread: 120 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 108, Number of persistent set computation: 75, Number of trivial persistent sets: 56, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2860, positive: 2825, positive conditional: 0, positive unconditional: 2825, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3288, positive: 3129, positive conditional: 304, positive unconditional: 2825, negative: 159, negative conditional: 124, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3168, positive: 3129, positive conditional: 304, positive unconditional: 2825, negative: 39, negative conditional: 4, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3168, positive: 3129, positive conditional: 304, positive unconditional: 2825, negative: 39, negative conditional: 4, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3178, positive: 3129, positive conditional: 262, positive unconditional: 2867, negative: 49, negative conditional: 10, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3178, positive: 3129, positive conditional: 65, positive unconditional: 3064, negative: 49, negative conditional: 3, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3178, positive: 3129, positive conditional: 65, positive unconditional: 3064, negative: 49, negative conditional: 3, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2647, positive: 2610, positive conditional: 1, positive unconditional: 2609, negative: 37, negative conditional: 2, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2647, positive: 2600, positive conditional: 0, positive unconditional: 2600, negative: 47, negative conditional: 0, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 47, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 37, negative conditional: 2, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 83, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 76, negative conditional: 2, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3178, positive: 519, positive conditional: 64, positive unconditional: 455, negative: 12, negative conditional: 1, negative unconditional: 11, unknown: 2647, unknown conditional: 3, unknown unconditional: 2644] , Statistics on independence cache: Total cache size (in pairs): 2647, Positive cache size: 2610, Positive conditional cache size: 1, Positive unconditional cache size: 2609, Negative cache size: 37, Negative conditional cache size: 2, Negative unconditional cache size: 35, Eliminated conditions: 204, Maximal queried relation: 3, Independence queries for same thread: 120 - 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=-1, x_8=-1, y_1=-1, y_9=-1] [L116] FORK 0 fork 1 thread1(); VAL [x_0=-1, x_8=-1, y_1=-1, y_9=-1] [L60] 1 f1_2 := false; [L61] 1 f2_3 := false; VAL [f1_2=false, f2_3=false, x_0=-1, x_8=-1, y_1=-1, y_9=-1] [L63] FORK 1 fork 2, 2 thread2(); VAL [f1_2=false, f2_3=false, x_0=-1, x_8=-1, y_1=-1, y_9=-1] [L64] FORK 1 fork 3, 3, 3 thread3(); VAL [f1_2=false, f2_3=false, x_0=-1, x_8=-1, y_1=-1, y_9=-1] [L65] JOIN 2 join 2, 2; VAL [f1_2=false, f2_3=false, x_0=-1, x_8=-1, y_1=-1, y_9=-1] [L117] FORK 0 fork 4, 4, 4, 4 thread4(); VAL [f1_2=false, f2_3=false, x_0=-1, x_8=-1, y_1=-1, y_9=-1] [L66] JOIN 3 join 3, 3, 3; VAL [f1_2=false, f2_3=false, x_0=-1, x_8=-1, y_1=-1, y_9=-1] [L118] JOIN 1 join 1; VAL [f1_2=false, f2_3=false, x_0=-1, x_8=-1, y_1=-1, y_9=-1] [L103] 4 f1_10 := false; [L104] 4 f2_11 := false; VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=false, x_0=-1, x_8=-1, y_1=-1, y_9=-1] [L106] FORK 4 fork 5, 5, 5, 5, 5 thread5(); VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=false, x_0=-1, x_8=-1, y_1=-1, y_9=-1] [L107] FORK 4 fork 6, 6, 6, 6, 6, 6 thread6(); VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=false, x_0=-1, x_8=-1, y_1=-1, y_9=-1] [L73] 5 temp_12 := x_8; VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_12=-1, x_0=-1, x_8=-1, y_1=-1, y_9=-1] [L74] 5 x_8 := temp_12 + 1; VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_12=-1, x_0=-1, x_8=0, y_1=-1, y_9=-1] [L75] 5 f1_10 := true; VAL [f1_10=true, f1_2=false, f2_11=false, f2_3=false, temp_12=-1, x_0=-1, x_8=0, y_1=-1, y_9=-1] [L88] 6 temp_14 := y_9; VAL [f1_10=true, f1_2=false, f2_11=false, f2_3=false, temp_12=-1, temp_14=-1, x_0=-1, x_8=0, y_1=-1, y_9=-1] [L89] 6 y_9 := temp_14 + 1; VAL [f1_10=true, f1_2=false, f2_11=false, f2_3=false, temp_12=-1, temp_14=-1, x_0=-1, x_8=0, y_1=-1, y_9=0] [L90] 6 f2_11 := true; VAL [f1_10=true, f1_2=false, f2_11=true, f2_3=false, temp_12=-1, temp_14=-1, x_0=-1, x_8=0, y_1=-1, y_9=0] [L76] 5 assume f2_11; VAL [f1_10=true, f1_2=false, f2_11=true, f2_3=false, temp_12=-1, temp_14=-1, x_0=-1, x_8=0, y_1=-1, y_9=0] [L77] 5 temp_13 := y_9; VAL [f1_10=true, f1_2=false, f2_11=true, f2_3=false, temp_12=-1, temp_13=0, temp_14=-1, x_0=-1, x_8=0, y_1=-1, y_9=0] [L78] 5 y_9 := temp_13 + 1; VAL [f1_10=true, f1_2=false, f2_11=true, f2_3=false, temp_12=-1, temp_13=0, temp_14=-1, x_0=-1, x_8=0, y_1=-1, y_9=1] [L91] 6 assume f1_10; VAL [f1_10=true, f1_2=false, f2_11=true, f2_3=false, temp_12=-1, temp_13=0, temp_14=-1, x_0=-1, x_8=0, y_1=-1, y_9=1] [L92] 6 temp_15 := x_8; VAL [f1_10=true, f1_2=false, f2_11=true, f2_3=false, temp_12=-1, temp_13=0, temp_14=-1, temp_15=0, x_0=-1, x_8=0, y_1=-1, y_9=1] [L93] 6 x_8 := temp_15 + 1; VAL [f1_10=true, f1_2=false, f2_11=true, f2_3=false, temp_12=-1, temp_13=0, temp_14=-1, temp_15=0, x_0=-1, x_8=1, y_1=-1, y_9=1] [L94] 6 f2_11 := false; VAL [f1_10=true, f1_2=false, f2_11=false, f2_3=false, temp_12=-1, temp_13=0, temp_14=-1, temp_15=0, 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=-1, temp_13=0, temp_14=-1, temp_15=0, 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=-1, temp_13=0, temp_14=-1, temp_15=0, 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=-1, temp_13=0, temp_14=-1, temp_15=0, x_0=-1, x_8=1, y_1=-1, y_9=1] [L108] JOIN 5 join 5, 5, 5, 5, 5; VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_12=-1, temp_13=0, temp_14=-1, temp_15=0, x_0=-1, x_8=1, y_1=-1, y_9=1] [L109] JOIN 6 join 6, 6, 6, 6, 6, 6; VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_12=-1, temp_13=0, temp_14=-1, temp_15=0, x_0=-1, x_8=1, y_1=-1, y_9=1] [L119] JOIN 4 join 4, 4, 4, 4; VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_12=-1, temp_13=0, temp_14=-1, temp_15=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=-1, temp_13=0, temp_14=-1, temp_15=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=-1, temp_13=0, temp_14=-1, temp_15=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: 693.6ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 24.5ms, PartialOrderReductionTime: 614.1ms, 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: 720.4ms, OverallIterations: 6, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.7ms, PartialOrderReductionTime: 192.4ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 15, 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: 17.1ms SsaConstructionTime, 48.9ms SatisfiabilityAnalysisTime, 219.8ms InterpolantComputationTime, 194 NumberOfCodeBlocks, 194 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 150 ConstructedInterpolants, 0 QuantifiedInterpolants, 300 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 5/5 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 06:46:10,188 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 06:46:10,400 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 06:46:10,601 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...