/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-Persistent-NoLbe.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 [2021-08-22 14:31:08,308 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-22 14:31:08,309 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-22 14:31:08,327 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-22 14:31:08,361 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-22 14:31:08,362 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-22 14:31:08,362 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-22 14:31:08,365 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-Persistent-NoLbe.epf [2021-08-22 14:31:08,388 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-22 14:31:08,389 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-22 14:31:08,389 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-22 14:31:08,389 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-22 14:31:08,390 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-22 14:31:08,390 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-22 14:31:08,390 INFO L138 SettingsManager]: * Use SBE=true [2021-08-22 14:31:08,390 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-22 14:31:08,390 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-22 14:31:08,390 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-22 14:31:08,391 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-22 14:31:08,391 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-22 14:31:08,391 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-22 14:31:08,391 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-22 14:31:08,391 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-22 14:31:08,391 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-22 14:31:08,391 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-22 14:31:08,391 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-22 14:31:08,392 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-22 14:31:08,392 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-22 14:31:08,392 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-22 14:31:08,392 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-22 14:31:08,392 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-22 14:31:08,392 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-22 14:31:08,392 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-22 14:31:08,393 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-22 14:31:08,393 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-22 14:31:08,393 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-22 14:31:08,393 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-22 14:31:08,393 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-22 14:31:08,393 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-22 14:31:08,393 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-22 14:31:08,393 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-08-22 14:31:08,393 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SETS [2021-08-22 14:31:08,394 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-22 14:31:08,655 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-22 14:31:08,672 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-22 14:31:08,674 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-22 14:31:08,674 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-22 14:31:08,675 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-22 14:31:08,676 INFO L432 ainManager$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 [2021-08-22 14:31:08,676 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/barrier-loop.wvr.bpl' [2021-08-22 14:31:08,701 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-22 14:31:08,702 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-22 14:31:08,703 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-22 14:31:08,703 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-22 14:31:08,703 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-22 14:31:08,711 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 02:31:08" (1/1) ... [2021-08-22 14:31:08,717 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 02:31:08" (1/1) ... [2021-08-22 14:31:08,723 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-22 14:31:08,724 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-22 14:31:08,724 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-22 14:31:08,725 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-22 14:31:08,729 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 02:31:08" (1/1) ... [2021-08-22 14:31:08,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 02:31:08" (1/1) ... [2021-08-22 14:31:08,731 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 02:31:08" (1/1) ... [2021-08-22 14:31:08,731 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 02:31:08" (1/1) ... [2021-08-22 14:31:08,737 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 02:31:08" (1/1) ... [2021-08-22 14:31:08,739 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 02:31:08" (1/1) ... [2021-08-22 14:31:08,741 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 02:31:08" (1/1) ... [2021-08-22 14:31:08,744 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-22 14:31:08,745 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-22 14:31:08,746 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-22 14:31:08,746 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-22 14:31:08,747 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 02:31:08" (1/1) ... [2021-08-22 14:31:08,751 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-22 14:31:08,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 14:31:08,769 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) [2021-08-22 14:31:08,799 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 [2021-08-22 14:31:08,815 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-08-22 14:31:08,815 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-08-22 14:31:08,815 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-08-22 14:31:08,816 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-08-22 14:31:08,816 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-08-22 14:31:08,816 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-08-22 14:31:08,816 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-22 14:31:08,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-22 14:31:08,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-22 14:31:08,816 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-08-22 14:31:08,816 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-08-22 14:31:08,817 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-08-22 14:31:08,817 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-08-22 14:31:08,817 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-08-22 14:31:08,817 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-08-22 14:31:08,818 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2021-08-22 14:31:08,818 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-08-22 14:31:08,818 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-08-22 14:31:08,819 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2021-08-22 14:31:08,819 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2021-08-22 14:31:08,819 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2021-08-22 14:31:08,820 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-22 14:31:09,004 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-22 14:31:09,005 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-08-22 14:31:09,006 INFO L202 PluginConnector]: Adding new model barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 02:31:09 BoogieIcfgContainer [2021-08-22 14:31:09,006 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-22 14:31:09,007 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-22 14:31:09,007 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-22 14:31:09,009 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-22 14:31:09,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 02:31:08" (1/2) ... [2021-08-22 14:31:09,010 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20901fc7 and model type barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 02:31:09, skipping insertion in model container [2021-08-22 14:31:09,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 02:31:09" (2/2) ... [2021-08-22 14:31:09,011 INFO L111 eAbstractionObserver]: Analyzing ICFG barrier-loop.wvr.bpl [2021-08-22 14:31:09,014 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-22 14:31:09,014 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-22 14:31:09,014 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-22 14:31:09,014 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-22 14:31:09,140 INFO L148 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2021-08-22 14:31:09,173 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-22 14:31:09,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 14:31:09,175 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) [2021-08-22 14:31:09,175 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 [2021-08-22 14:31:09,198 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread4Thread1of1ForFork3 ======== [2021-08-22 14:31:09,202 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 [2021-08-22 14:31:09,203 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-08-22 14:31:09,326 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread4Thread1of1ForFork3Err4INUSE_VIOLATION [2021-08-22 14:31:09,327 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread4Thread1of1ForFork3Err6INUSE_VIOLATION [2021-08-22 14:31:09,336 INFO L308 ceAbstractionStarter]: Result for error location thread4Thread1of1ForFork3 was SAFE,SAFE (1/3) [2021-08-22 14:31:09,347 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-22 14:31:09,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 14:31:09,353 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) [2021-08-22 14:31:09,354 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 [2021-08-22 14:31:09,357 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-22 14:31:09,358 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 [2021-08-22 14:31:09,358 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-22 14:31:09,589 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION] === [2021-08-22 14:31:09,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 14:31:09,592 INFO L82 PathProgramCache]: Analyzing trace with hash 1405075623, now seen corresponding path program 1 times [2021-08-22 14:31:09,600 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 14:31:09,600 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163005137] [2021-08-22 14:31:09,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 14:31:09,601 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 14:31:09,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 14:31:09,776 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2021-08-22 14:31:09,778 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 14:31:09,778 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163005137] [2021-08-22 14:31:09,779 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163005137] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 14:31:09,779 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 14:31:09,779 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-22 14:31:09,780 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067021845] [2021-08-22 14:31:09,784 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-22 14:31:09,784 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 14:31:09,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-22 14:31:09,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-22 14:31:09,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 14:31:09,793 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 14:31:09,793 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 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) [2021-08-22 14:31:09,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 14:31:09,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 14:31:09,811 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-22 14:31:09,811 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION] === [2021-08-22 14:31:09,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 14:31:09,812 INFO L82 PathProgramCache]: Analyzing trace with hash -1450963787, now seen corresponding path program 2 times [2021-08-22 14:31:09,812 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 14:31:09,812 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886442259] [2021-08-22 14:31:09,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 14:31:09,812 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 14:31:09,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 14:31:09,842 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2021-08-22 14:31:09,842 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 14:31:09,842 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886442259] [2021-08-22 14:31:09,842 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886442259] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 14:31:09,842 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 14:31:09,842 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-22 14:31:09,843 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35015864] [2021-08-22 14:31:09,843 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-22 14:31:09,844 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 14:31:09,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-22 14:31:09,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-22 14:31:09,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 14:31:09,844 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 14:31:09,844 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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) [2021-08-22 14:31:09,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 14:31:09,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 14:31:09,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 14:31:09,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 14:31:09,857 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-22 14:31:09,857 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION] === [2021-08-22 14:31:09,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 14:31:09,857 INFO L82 PathProgramCache]: Analyzing trace with hash 873687221, now seen corresponding path program 3 times [2021-08-22 14:31:09,857 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 14:31:09,858 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893057802] [2021-08-22 14:31:09,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 14:31:09,858 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 14:31:09,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 14:31:09,881 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2021-08-22 14:31:09,881 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 14:31:09,881 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893057802] [2021-08-22 14:31:09,881 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893057802] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 14:31:09,881 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 14:31:09,881 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-22 14:31:09,882 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855941417] [2021-08-22 14:31:09,882 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-22 14:31:09,882 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 14:31:09,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-22 14:31:09,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-22 14:31:09,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 14:31:09,883 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 14:31:09,883 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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) [2021-08-22 14:31:09,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 14:31:09,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 14:31:09,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 14:31:09,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 14:31:09,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 14:31:09,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 14:31:09,896 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-22 14:31:09,896 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION] === [2021-08-22 14:31:09,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 14:31:09,897 INFO L82 PathProgramCache]: Analyzing trace with hash -744373375, now seen corresponding path program 4 times [2021-08-22 14:31:09,897 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 14:31:09,897 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798783484] [2021-08-22 14:31:09,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 14:31:09,897 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 14:31:09,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 14:31:09,928 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2021-08-22 14:31:09,928 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 14:31:09,928 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798783484] [2021-08-22 14:31:09,929 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798783484] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 14:31:09,929 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 14:31:09,929 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-22 14:31:09,929 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305224378] [2021-08-22 14:31:09,932 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-22 14:31:09,933 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 14:31:09,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-22 14:31:09,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-22 14:31:09,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 14:31:09,933 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 14:31:09,934 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 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) [2021-08-22 14:31:09,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 14:31:09,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 14:31:09,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 14:31:09,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 14:31:09,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 14:31:09,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 14:31:09,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 14:31:09,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 14:31:09,953 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-22 14:31:09,954 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION] === [2021-08-22 14:31:09,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 14:31:09,954 INFO L82 PathProgramCache]: Analyzing trace with hash -757122545, now seen corresponding path program 5 times [2021-08-22 14:31:09,954 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 14:31:09,955 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792619208] [2021-08-22 14:31:09,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 14:31:09,955 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 14:31:09,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 14:31:09,986 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-22 14:31:09,986 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 14:31:09,986 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792619208] [2021-08-22 14:31:09,987 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792619208] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 14:31:09,987 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 14:31:09,987 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-22 14:31:09,987 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797338246] [2021-08-22 14:31:09,988 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-22 14:31:09,988 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 14:31:09,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-22 14:31:09,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-22 14:31:09,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 14:31:09,989 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 14:31:09,989 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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) [2021-08-22 14:31:09,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 14:31:09,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 14:31:09,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 14:31:09,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 14:31:09,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 14:31:10,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 14:31:10,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 14:31:10,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 14:31:10,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 14:31:10,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 14:31:10,009 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-22 14:31:10,009 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION] === [2021-08-22 14:31:10,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 14:31:10,010 INFO L82 PathProgramCache]: Analyzing trace with hash 872650255, now seen corresponding path program 6 times [2021-08-22 14:31:10,010 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 14:31:10,010 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872535414] [2021-08-22 14:31:10,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 14:31:10,010 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 14:31:10,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 14:31:10,100 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-22 14:31:10,101 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 14:31:10,101 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872535414] [2021-08-22 14:31:10,101 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872535414] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 14:31:10,101 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 14:31:10,101 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-22 14:31:10,101 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138280070] [2021-08-22 14:31:10,102 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-22 14:31:10,102 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 14:31:10,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-22 14:31:10,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-22 14:31:10,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 14:31:10,102 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 14:31:10,102 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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) [2021-08-22 14:31:10,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 14:31:10,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 14:31:10,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 14:31:10,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 14:31:10,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 14:31:10,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 14:31:10,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 14:31:10,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 14:31:10,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 14:31:10,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 14:31:10,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 14:31:10,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 14:31:10,115 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-22 14:31:10,116 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION] === [2021-08-22 14:31:10,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 14:31:10,116 INFO L82 PathProgramCache]: Analyzing trace with hash 66410971, now seen corresponding path program 7 times [2021-08-22 14:31:10,116 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 14:31:10,116 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673579191] [2021-08-22 14:31:10,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 14:31:10,116 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 14:31:10,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 14:31:10,560 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 14:31:10,560 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 14:31:10,561 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673579191] [2021-08-22 14:31:10,561 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673579191] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 14:31:10,561 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [984547122] [2021-08-22 14:31:10,561 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-08-22 14:31:10,562 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 14:31:10,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 14:31:10,565 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 14:31:10,566 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-22 14:31:10,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 14:31:10,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 37 conjunts are in the unsatisfiable core [2021-08-22 14:31:10,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 14:31:11,250 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 14:31:11,251 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [984547122] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 14:31:11,251 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 14:31:11,251 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 14 [2021-08-22 14:31:11,251 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368219680] [2021-08-22 14:31:11,251 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-08-22 14:31:11,252 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 14:31:11,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-22 14:31:11,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2021-08-22 14:31:11,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 14:31:11,252 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 14:31:11,253 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.6666666666666665) internal successors, (55), 14 states have internal predecessors, (55), 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) [2021-08-22 14:31:11,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 14:31:11,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 14:31:11,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 14:31:11,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 14:31:11,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 14:31:11,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 14:31:11,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 14:31:11,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 14:31:11,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 14:31:11,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 14:31:11,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 14:31:11,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 14:31:11,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 14:31:11,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-22 14:31:11,706 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-08-22 14:31:11,896 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 14:31:11,897 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION] === [2021-08-22 14:31:11,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 14:31:11,898 INFO L82 PathProgramCache]: Analyzing trace with hash 593355257, now seen corresponding path program 8 times [2021-08-22 14:31:11,898 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 14:31:11,898 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460898916] [2021-08-22 14:31:11,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 14:31:11,898 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 14:31:11,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-22 14:31:11,908 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-22 14:31:11,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-22 14:31:11,949 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-22 14:31:11,949 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-08-22 14:31:11,950 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT [2021-08-22 14:31:11,950 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8INUSE_VIOLATION [2021-08-22 14:31:11,950 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9INUSE_VIOLATION [2021-08-22 14:31:11,950 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-22 14:31:11,951 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN (2/3) [2021-08-22 14:31:11,953 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-22 14:31:11,953 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-22 14:31:11,986 INFO L202 PluginConnector]: Adding new model barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 02:31:11 BasicIcfg [2021-08-22 14:31:11,986 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-22 14:31:11,987 INFO L168 Benchmark]: Toolchain (without parser) took 3285.23 ms. Allocated memory was 184.5 MB in the beginning and 231.7 MB in the end (delta: 47.2 MB). Free memory was 164.3 MB in the beginning and 85.0 MB in the end (delta: 79.3 MB). Peak memory consumption was 127.7 MB. Max. memory is 8.0 GB. [2021-08-22 14:31:11,988 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 184.5 MB. Free memory was 165.5 MB in the beginning and 165.4 MB in the end (delta: 167.8 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-08-22 14:31:11,988 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.03 ms. Allocated memory is still 184.5 MB. Free memory was 164.1 MB in the beginning and 162.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-22 14:31:11,988 INFO L168 Benchmark]: Boogie Preprocessor took 20.06 ms. Allocated memory is still 184.5 MB. Free memory was 162.5 MB in the beginning and 161.7 MB in the end (delta: 870.7 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-22 14:31:11,988 INFO L168 Benchmark]: RCFGBuilder took 261.05 ms. Allocated memory is still 184.5 MB. Free memory was 161.5 MB in the beginning and 145.9 MB in the end (delta: 15.6 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2021-08-22 14:31:11,989 INFO L168 Benchmark]: TraceAbstraction took 2979.04 ms. Allocated memory was 184.5 MB in the beginning and 231.7 MB in the end (delta: 47.2 MB). Free memory was 145.6 MB in the beginning and 85.0 MB in the end (delta: 60.6 MB). Peak memory consumption was 108.8 MB. Max. memory is 8.0 GB. [2021-08-22 14:31:11,990 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 184.5 MB. Free memory was 165.5 MB in the beginning and 165.4 MB in the end (delta: 167.8 kB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 21.03 ms. Allocated memory is still 184.5 MB. Free memory was 164.1 MB in the beginning and 162.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 20.06 ms. Allocated memory is still 184.5 MB. Free memory was 162.5 MB in the beginning and 161.7 MB in the end (delta: 870.7 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 261.05 ms. Allocated memory is still 184.5 MB. Free memory was 161.5 MB in the beginning and 145.9 MB in the end (delta: 15.6 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2979.04 ms. Allocated memory was 184.5 MB in the beginning and 231.7 MB in the end (delta: 47.2 MB). Free memory was 145.6 MB in the beginning and 85.0 MB in the end (delta: 60.6 MB). Peak memory consumption was 108.8 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: 919, positive: 911, positive conditional: 0, positive unconditional: 911, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 919, positive: 911, positive conditional: 0, positive unconditional: 911, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 919, positive: 911, positive conditional: 0, positive unconditional: 911, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 919, positive: 911, positive conditional: 0, positive unconditional: 911, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 919, positive: 911, positive conditional: 0, positive unconditional: 911, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 919, positive: 911, positive conditional: 0, positive unconditional: 911, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 919, positive: 911, positive conditional: 0, positive unconditional: 911, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 919, positive: 911, positive conditional: 0, positive unconditional: 911, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 8, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 64, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 919, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 919, unknown conditional: 0, unknown unconditional: 919] , Statistics on independence cache: Total cache size (in pairs): 919, Positive cache size: 911, Positive conditional cache size: 0, Positive unconditional cache size: 911, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 91, Number of persistent set computation: 6, Number of trivial persistent sets: 2, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 919, positive: 911, positive conditional: 0, positive unconditional: 911, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 919, positive: 911, positive conditional: 0, positive unconditional: 911, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 919, positive: 911, positive conditional: 0, positive unconditional: 911, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 919, positive: 911, positive conditional: 0, positive unconditional: 911, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 919, positive: 911, positive conditional: 0, positive unconditional: 911, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 919, positive: 911, positive conditional: 0, positive unconditional: 911, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 919, positive: 911, positive conditional: 0, positive unconditional: 911, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 919, positive: 911, positive conditional: 0, positive unconditional: 911, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 919, positive: 911, positive conditional: 0, positive unconditional: 911, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 8, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 64, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 919, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 919, unknown conditional: 0, unknown unconditional: 919] , Statistics on independence cache: Total cache size (in pairs): 919, Positive cache size: 911, Positive conditional cache size: 0, Positive unconditional cache size: 911, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - 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: 3214, positive: 3162, positive conditional: 0, positive unconditional: 3162, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3214, positive: 3162, positive conditional: 0, positive unconditional: 3162, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3214, positive: 3162, positive conditional: 0, positive unconditional: 3162, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3214, positive: 3162, positive conditional: 0, positive unconditional: 3162, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3214, positive: 3162, positive conditional: 0, positive unconditional: 3162, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3214, positive: 3162, positive conditional: 0, positive unconditional: 3162, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2926, positive: 2874, positive conditional: 0, positive unconditional: 2874, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2926, positive: 2858, positive conditional: 0, positive unconditional: 2858, negative: 68, negative conditional: 0, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 68, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 123, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 109, negative conditional: 0, negative unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3214, positive: 288, positive conditional: 0, positive unconditional: 288, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2926, unknown conditional: 0, unknown unconditional: 2926] , Statistics on independence cache: Total cache size (in pairs): 2926, Positive cache size: 2874, Positive conditional cache size: 0, Positive unconditional cache size: 2874, Negative cache size: 52, Negative conditional cache size: 0, Negative unconditional cache size: 52, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 184, Number of persistent set computation: 167, Number of trivial persistent sets: 73, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3214, positive: 3162, positive conditional: 0, positive unconditional: 3162, 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: 3214, positive: 3162, positive conditional: 0, positive unconditional: 3162, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3214, positive: 3162, positive conditional: 0, positive unconditional: 3162, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3214, positive: 3162, positive conditional: 0, positive unconditional: 3162, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3214, positive: 3162, positive conditional: 0, positive unconditional: 3162, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3214, positive: 3162, positive conditional: 0, positive unconditional: 3162, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3214, positive: 3162, positive conditional: 0, positive unconditional: 3162, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2926, positive: 2874, positive conditional: 0, positive unconditional: 2874, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2926, positive: 2858, positive conditional: 0, positive unconditional: 2858, negative: 68, negative conditional: 0, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 68, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 123, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 109, negative conditional: 0, negative unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3214, positive: 288, positive conditional: 0, positive unconditional: 288, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2926, unknown conditional: 0, unknown unconditional: 2926] , Statistics on independence cache: Total cache size (in pairs): 2926, Positive cache size: 2874, Positive conditional cache size: 0, Positive unconditional cache size: 2874, Negative cache size: 52, Negative conditional cache size: 0, Negative unconditional cache size: 52, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - 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] [L117] FORK 0 fork 4, 4, 4, 4 thread4(); 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] [L103] 2 f1_10 := false; [L104] 2 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 2 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 2 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] [L30] 3 temp_4 := x_0; VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_4=-1, x_0=-1, x_8=-1, y_1=-1, y_9=-1] [L31] 3 x_0 := temp_4 + 1; VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_4=-1, x_0=0, x_8=-1, y_1=-1, y_9=-1] [L32] 3 f1_2 := true; VAL [f1_10=false, f1_2=true, f2_11=false, f2_3=false, temp_4=-1, x_0=0, x_8=-1, y_1=-1, y_9=-1] [L45] 4 temp_6 := y_1; VAL [f1_10=false, f1_2=true, f2_11=false, f2_3=false, temp_4=-1, temp_6=-1, x_0=0, x_8=-1, y_1=-1, y_9=-1] [L46] 4 y_1 := temp_6 + 1; VAL [f1_10=false, f1_2=true, f2_11=false, f2_3=false, temp_4=-1, temp_6=-1, x_0=0, x_8=-1, y_1=0, y_9=-1] [L47] 4 f2_3 := true; VAL [f1_10=false, f1_2=true, f2_11=false, f2_3=true, temp_4=-1, temp_6=-1, 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_4=-1, temp_6=-1, 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_4=-1, temp_5=0, temp_6=-1, x_0=0, 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_4=-1, temp_5=0, temp_6=-1, x_0=0, x_8=-1, y_1=1, y_9=-1] [L48] 4 assume f1_2; VAL [f1_10=false, f1_2=true, f2_11=false, f2_3=true, temp_4=-1, temp_5=0, temp_6=-1, x_0=0, 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=true, temp_4=-1, temp_5=0, temp_6=-1, x_0=0, x_8=-1, y_1=1, y_9=-1] [L49] 4 temp_7 := x_0; VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=true, temp_4=-1, temp_5=0, temp_6=-1, temp_7=0, x_0=0, x_8=-1, y_1=1, y_9=-1] [L50] 4 x_0 := temp_7 + 1; VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=true, 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=false, f2_11=false, f2_3=false, 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_4=-1, temp_5=0, temp_6=-1, temp_7=0, 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_4=1, temp_5=0, temp_6=-1, temp_7=0, x_0=1, x_8=-1, y_1=1, y_9=-1] [L31] 3 x_0 := temp_4 + 1; VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_4=1, temp_5=0, temp_6=-1, temp_7=0, x_0=2, 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_4=1, temp_5=0, temp_6=-1, temp_7=0, x_0=2, x_8=-1, y_1=1, y_9=-1] [L32] 3 f1_2 := true; VAL [f1_10=false, f1_2=true, f2_11=false, f2_3=false, temp_4=1, temp_5=0, temp_6=-1, temp_7=0, x_0=2, x_8=-1, y_1=1, y_9=-1] [L45] 4 temp_6 := y_1; VAL [f1_10=false, f1_2=true, f2_11=false, f2_3=false, temp_4=1, temp_5=0, temp_6=1, temp_7=0, x_0=2, x_8=-1, y_1=1, y_9=-1] [L46] 4 y_1 := temp_6 + 1; VAL [f1_10=false, f1_2=true, f2_11=false, f2_3=false, temp_4=1, temp_5=0, temp_6=1, temp_7=0, x_0=2, x_8=-1, y_1=2, y_9=-1] [L47] 4 f2_3 := true; VAL [f1_10=false, f1_2=true, f2_11=false, f2_3=true, temp_4=1, temp_5=0, temp_6=1, temp_7=0, x_0=2, x_8=-1, y_1=2, y_9=-1] [L33] 3 assume f2_3; VAL [f1_10=false, f1_2=true, f2_11=false, f2_3=true, temp_4=1, temp_5=0, temp_6=1, temp_7=0, x_0=2, x_8=-1, y_1=2, y_9=-1] [L34] 3 temp_5 := y_1; VAL [f1_10=false, f1_2=true, f2_11=false, f2_3=true, temp_4=1, temp_5=2, temp_6=1, temp_7=0, x_0=2, x_8=-1, y_1=2, y_9=-1] [L35] 3 y_1 := temp_5 + 1; VAL [f1_10=false, f1_2=true, f2_11=false, f2_3=true, temp_4=1, temp_5=2, temp_6=1, temp_7=0, x_0=2, x_8=-1, y_1=3, y_9=-1] [L48] 4 assume f1_2; VAL [f1_10=false, f1_2=true, f2_11=false, f2_3=true, temp_4=1, temp_5=2, temp_6=1, temp_7=0, x_0=2, x_8=-1, y_1=3, y_9=-1] [L36] 3 f1_2 := false; VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=true, temp_4=1, temp_5=2, temp_6=1, temp_7=0, x_0=2, x_8=-1, y_1=3, y_9=-1] [L49] 4 temp_7 := x_0; VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=true, temp_4=1, temp_5=2, temp_6=1, temp_7=2, x_0=2, x_8=-1, y_1=3, y_9=-1] [L50] 4 x_0 := temp_7 + 1; VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=true, temp_4=1, temp_5=2, temp_6=1, temp_7=2, x_0=3, x_8=-1, y_1=3, y_9=-1] [L51] 4 f2_3 := false; VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_4=1, temp_5=2, temp_6=1, temp_7=2, x_0=3, x_8=-1, y_1=3, y_9=-1] [L37] 3 assume !f2_3; VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_4=1, temp_5=2, temp_6=1, temp_7=2, x_0=3, x_8=-1, y_1=3, y_9=-1] [L52] 4 assume !f1_2; VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_4=1, temp_5=2, temp_6=1, temp_7=2, x_0=3, x_8=-1, y_1=3, y_9=-1] [L65] JOIN 3 join 2, 2; VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_4=1, temp_5=2, temp_6=1, temp_7=2, x_0=3, x_8=-1, y_1=3, y_9=-1] [L66] JOIN 4 join 3, 3, 3; VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_4=1, temp_5=2, temp_6=1, temp_7=2, x_0=3, x_8=-1, y_1=3, y_9=-1] [L118] JOIN 1 join 1; VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_4=1, temp_5=2, temp_6=1, temp_7=2, x_0=3, x_8=-1, y_1=3, 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, temp_4=1, temp_5=2, temp_6=1, temp_7=2, x_0=3, x_8=-1, y_1=3, 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, temp_4=1, temp_5=2, temp_6=1, temp_7=2, x_0=3, x_8=0, y_1=3, y_9=-1] [L75] 5 f1_10 := true; VAL [f1_10=true, f1_2=false, f2_11=false, f2_3=false, temp_12=-1, temp_4=1, temp_5=2, temp_6=1, temp_7=2, x_0=3, x_8=0, y_1=3, 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, temp_4=1, temp_5=2, temp_6=1, temp_7=2, x_0=3, x_8=0, y_1=3, 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, temp_4=1, temp_5=2, temp_6=1, temp_7=2, x_0=3, x_8=0, y_1=3, 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, temp_4=1, temp_5=2, temp_6=1, temp_7=2, x_0=3, x_8=0, y_1=3, 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, temp_4=1, temp_5=2, temp_6=1, temp_7=2, x_0=3, x_8=0, y_1=3, 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, temp_4=1, temp_5=2, temp_6=1, temp_7=2, x_0=3, x_8=0, y_1=3, 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, temp_4=1, temp_5=2, temp_6=1, temp_7=2, x_0=3, x_8=0, y_1=3, 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, temp_4=1, temp_5=2, temp_6=1, temp_7=2, x_0=3, x_8=0, y_1=3, y_9=1] [L79] 5 f1_10 := false; VAL [f1_10=false, f1_2=false, f2_11=true, f2_3=false, temp_12=-1, temp_13=0, temp_14=-1, temp_4=1, temp_5=2, temp_6=1, temp_7=2, x_0=3, x_8=0, y_1=3, y_9=1] [L92] 6 temp_15 := x_8; VAL [f1_10=false, f1_2=false, f2_11=true, f2_3=false, temp_12=-1, temp_13=0, temp_14=-1, temp_15=0, temp_4=1, temp_5=2, temp_6=1, temp_7=2, x_0=3, x_8=0, y_1=3, y_9=1] [L93] 6 x_8 := temp_15 + 1; VAL [f1_10=false, f1_2=false, f2_11=true, f2_3=false, temp_12=-1, temp_13=0, temp_14=-1, temp_15=0, temp_4=1, temp_5=2, temp_6=1, temp_7=2, x_0=3, x_8=1, y_1=3, y_9=1] [L94] 6 f2_11 := 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, temp_4=1, temp_5=2, temp_6=1, temp_7=2, x_0=3, x_8=1, y_1=3, 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, temp_4=1, temp_5=2, temp_6=1, temp_7=2, x_0=3, x_8=1, y_1=3, 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, temp_4=1, temp_5=2, temp_6=1, temp_7=2, x_0=3, x_8=1, y_1=3, 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, temp_4=1, temp_5=2, temp_6=1, temp_7=2, x_0=3, x_8=1, y_1=3, 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, temp_4=1, temp_5=2, temp_6=1, temp_7=2, x_0=3, x_8=1, y_1=3, 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=-1, temp_13=0, temp_14=-1, temp_15=0, temp_4=1, temp_5=2, temp_6=1, temp_7=2, x_0=3, x_8=1, y_1=3, 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, temp_4=1, temp_5=2, temp_6=1, temp_7=2, x_0=3, x_8=1, y_1=3, 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, temp_4=1, temp_5=2, temp_6=1, temp_7=2, x_0=3, x_8=1, y_1=3, 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: 164.0ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 17.1ms, PartialOrderReductionTime: 103.2ms, 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: 2604.2ms, OverallIterations: 8, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.9ms, PartialOrderReductionTime: 750.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 33, 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: 29.1ms SsaConstructionTime, 144.5ms SatisfiabilityAnalysisTime, 1248.0ms InterpolantComputationTime, 751 NumberOfCodeBlocks, 751 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 672 ConstructedInterpolants, 0 QuantifiedInterpolants, 2183 SizeOfPredicates, 16 NumberOfNonLiveVariables, 150 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 8 InterpolantComputations, 6 PerfectInterpolantSequences, 894/902 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! [2021-08-22 14:31:12,013 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 [2021-08-22 14:31:12,226 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 [2021-08-22 14:31:12,421 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...