/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.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x9.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-19 03:49:15,692 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-19 03:49:15,694 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-19 03:49:15,740 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-19 03:49:15,741 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-19 03:49:15,743 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-19 03:49:15,744 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-19 03:49:15,748 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-19 03:49:15,749 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-19 03:49:15,753 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-19 03:49:15,753 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-19 03:49:15,755 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-19 03:49:15,755 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-19 03:49:15,757 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-19 03:49:15,758 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-19 03:49:15,760 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-19 03:49:15,760 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-19 03:49:15,761 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-19 03:49:15,763 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-19 03:49:15,767 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-19 03:49:15,768 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-19 03:49:15,768 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-19 03:49:15,770 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-19 03:49:15,770 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-19 03:49:15,775 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-19 03:49:15,775 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-19 03:49:15,776 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-19 03:49:15,777 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-19 03:49:15,777 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-19 03:49:15,777 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-19 03:49:15,777 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-19 03:49:15,778 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-19 03:49:15,779 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-19 03:49:15,780 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-19 03:49:15,780 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-19 03:49:15,780 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-19 03:49:15,781 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-19 03:49:15,781 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-19 03:49:15,781 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-19 03:49:15,781 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-19 03:49:15,782 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-19 03:49:15,782 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.epf [2022-02-19 03:49:15,805 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-19 03:49:15,805 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-19 03:49:15,805 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-19 03:49:15,805 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-19 03:49:15,806 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-19 03:49:15,806 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-19 03:49:15,806 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-19 03:49:15,806 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-19 03:49:15,806 INFO L138 SettingsManager]: * Use SBE=true [2022-02-19 03:49:15,807 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-19 03:49:15,807 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-19 03:49:15,807 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-19 03:49:15,807 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-19 03:49:15,807 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-19 03:49:15,808 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-19 03:49:15,808 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-19 03:49:15,808 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-19 03:49:15,808 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-19 03:49:15,808 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-19 03:49:15,808 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-19 03:49:15,808 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-19 03:49:15,808 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-19 03:49:15,808 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-19 03:49:15,808 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-19 03:49:15,809 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-19 03:49:15,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 03:49:15,809 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-19 03:49:15,809 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-19 03:49:15,810 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-19 03:49:15,810 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-19 03:49:15,810 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-19 03:49:15,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-19 03:49:15,810 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-19 03:49:15,810 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-19 03:49:15,810 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-19 03:49:15,810 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-02-19 03:49:15,810 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-02-19 03:49:15,810 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-19 03:49:15,979 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-19 03:49:16,018 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-19 03:49:16,020 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-19 03:49:16,021 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-19 03:49:16,022 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-19 03:49:16,023 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x9.wvr.bpl [2022-02-19 03:49:16,023 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x9.wvr.bpl' [2022-02-19 03:49:16,047 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-19 03:49:16,064 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-19 03:49:16,065 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-19 03:49:16,065 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-19 03:49:16,065 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-19 03:49:16,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 03:49:16" (1/1) ... [2022-02-19 03:49:16,092 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 03:49:16" (1/1) ... [2022-02-19 03:49:16,099 INFO L137 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-19 03:49:16,100 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-19 03:49:16,101 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-19 03:49:16,102 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-19 03:49:16,102 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-19 03:49:16,107 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 03:49:16" (1/1) ... [2022-02-19 03:49:16,107 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 03:49:16" (1/1) ... [2022-02-19 03:49:16,119 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 03:49:16" (1/1) ... [2022-02-19 03:49:16,119 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 03:49:16" (1/1) ... [2022-02-19 03:49:16,123 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 03:49:16" (1/1) ... [2022-02-19 03:49:16,126 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 03:49:16" (1/1) ... [2022-02-19 03:49:16,129 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 03:49:16" (1/1) ... [2022-02-19 03:49:16,130 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-19 03:49:16,141 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-19 03:49:16,141 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-19 03:49:16,142 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-19 03:49:16,144 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 03:49:16" (1/1) ... [2022-02-19 03:49:16,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 03:49:16,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 03:49:16,185 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) [2022-02-19 03:49:16,196 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 [2022-02-19 03:49:16,217 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-19 03:49:16,217 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-19 03:49:16,217 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-19 03:49:16,217 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-19 03:49:16,217 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-19 03:49:16,217 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-19 03:49:16,218 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-19 03:49:16,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-19 03:49:16,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-19 03:49:16,219 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-02-19 03:49:16,219 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-19 03:49:16,219 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-19 03:49:16,220 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2022-02-19 03:49:16,220 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-02-19 03:49:16,222 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-02-19 03:49:16,223 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-19 03:49:16,266 INFO L234 CfgBuilder]: Building ICFG [2022-02-19 03:49:16,267 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-19 03:49:16,418 INFO L275 CfgBuilder]: Performing block encoding [2022-02-19 03:49:16,423 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-19 03:49:16,423 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-19 03:49:16,424 INFO L202 PluginConnector]: Adding new model exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 03:49:16 BoogieIcfgContainer [2022-02-19 03:49:16,424 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-19 03:49:16,426 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-19 03:49:16,426 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-19 03:49:16,444 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-19 03:49:16,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 03:49:16" (1/2) ... [2022-02-19 03:49:16,446 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d3a2d02 and model type exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 03:49:16, skipping insertion in model container [2022-02-19 03:49:16,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 03:49:16" (2/2) ... [2022-02-19 03:49:16,447 INFO L111 eAbstractionObserver]: Analyzing ICFG exp2x9.wvr.bpl [2022-02-19 03:49:16,450 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-19 03:49:16,450 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-19 03:49:16,450 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-19 03:49:16,450 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-19 03:49:16,503 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-02-19 03:49:16,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-19 03:49:16,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 03:49:16,585 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) [2022-02-19 03:49:16,586 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 [2022-02-19 03:49:16,629 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-02-19 03:49:16,636 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, 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, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-02-19 03:49:16,636 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-02-19 03:49:16,842 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-19 03:49:16,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 03:49:16,846 INFO L85 PathProgramCache]: Analyzing trace with hash -357571630, now seen corresponding path program 1 times [2022-02-19 03:49:16,851 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 03:49:16,852 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956171057] [2022-02-19 03:49:16,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 03:49:16,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 03:49:16,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 03:49:17,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 03:49:17,022 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 03:49:17,022 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956171057] [2022-02-19 03:49:17,023 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956171057] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 03:49:17,023 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 03:49:17,023 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-19 03:49:17,042 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756097358] [2022-02-19 03:49:17,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 03:49:17,046 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-19 03:49:17,047 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 03:49:17,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-19 03:49:17,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-19 03:49:17,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 03:49:17,081 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 03:49:17,082 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 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) [2022-02-19 03:49:17,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 03:49:17,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:49:17,169 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-19 03:49:17,169 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-19 03:49:17,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 03:49:17,169 INFO L85 PathProgramCache]: Analyzing trace with hash -937915369, now seen corresponding path program 1 times [2022-02-19 03:49:17,170 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 03:49:17,170 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719321253] [2022-02-19 03:49:17,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 03:49:17,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 03:49:17,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 03:49:17,228 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 03:49:17,228 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 03:49:17,229 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719321253] [2022-02-19 03:49:17,229 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719321253] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 03:49:17,229 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [238954576] [2022-02-19 03:49:17,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 03:49:17,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 03:49:17,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 03:49:17,231 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 03:49:17,232 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-19 03:49:17,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 03:49:17,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 3 conjunts are in the unsatisfiable core [2022-02-19 03:49:17,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 03:49:17,344 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 03:49:17,345 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 03:49:17,409 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 03:49:17,410 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [238954576] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 03:49:17,410 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 03:49:17,410 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2022-02-19 03:49:17,411 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727949495] [2022-02-19 03:49:17,411 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 03:49:17,411 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-19 03:49:17,411 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 03:49:17,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-19 03:49:17,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-19 03:49:17,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 03:49:17,412 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 03:49:17,412 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 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) [2022-02-19 03:49:17,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:49:17,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 03:49:17,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:49:17,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-19 03:49:17,539 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-19 03:49:17,732 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-02-19 03:49:17,733 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-19 03:49:17,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 03:49:17,734 INFO L85 PathProgramCache]: Analyzing trace with hash -1433366628, now seen corresponding path program 1 times [2022-02-19 03:49:17,734 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 03:49:17,734 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657619222] [2022-02-19 03:49:17,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 03:49:17,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 03:49:17,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 03:49:18,005 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 03:49:18,006 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 03:49:18,006 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657619222] [2022-02-19 03:49:18,006 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657619222] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 03:49:18,006 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [386908883] [2022-02-19 03:49:18,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 03:49:18,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 03:49:18,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 03:49:18,007 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) [2022-02-19 03:49:18,008 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-19 03:49:18,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 03:49:18,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 33 conjunts are in the unsatisfiable core [2022-02-19 03:49:18,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2022-02-19 04:04:02,452 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-19 04:04:02,453 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-19 04:04:02,453 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-19 04:04:03,487 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 [2022-02-19 04:04:03,488 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-02-19 04:04:03,489 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 [2022-02-19 04:04:04,100 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (4 of 5 remaining) [2022-02-19 04:04:04,101 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-19 04:04:04,101 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 36 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while executing Executor. [2022-02-19 04:04:04,102 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 5 remaining) [2022-02-19 04:04:04,102 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 5 remaining) [2022-02-19 04:04:04,102 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 5 remaining) [2022-02-19 04:04:04,102 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION (0 of 5 remaining) [2022-02-19 04:04:04,107 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-02-19 04:04:04,108 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-19 04:04:04,108 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-19 04:04:04,110 INFO L202 PluginConnector]: Adding new model exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 04:04:04 BasicIcfg [2022-02-19 04:04:04,110 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-19 04:04:04,111 INFO L158 Benchmark]: Toolchain (without parser) took 888046.69ms. Allocated memory was 174.1MB in the beginning and 878.7MB in the end (delta: 704.6MB). Free memory was 135.0MB in the beginning and 770.8MB in the end (delta: -635.8MB). Peak memory consumption was 593.4MB. Max. memory is 8.0GB. [2022-02-19 04:04:04,111 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.10ms. Allocated memory is still 174.1MB. Free memory is still 136.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-19 04:04:04,111 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.29ms. Allocated memory is still 174.1MB. Free memory was 134.9MB in the beginning and 133.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-19 04:04:04,111 INFO L158 Benchmark]: Boogie Preprocessor took 28.63ms. Allocated memory is still 174.1MB. Free memory was 133.4MB in the beginning and 132.4MB in the end (delta: 974.0kB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-19 04:04:04,112 INFO L158 Benchmark]: RCFGBuilder took 283.05ms. Allocated memory is still 174.1MB. Free memory was 132.4MB in the beginning and 122.4MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-02-19 04:04:04,112 INFO L158 Benchmark]: TraceAbstraction took 887684.57ms. Allocated memory was 174.1MB in the beginning and 878.7MB in the end (delta: 704.6MB). Free memory was 121.9MB in the beginning and 770.8MB in the end (delta: -648.9MB). Peak memory consumption was 580.9MB. Max. memory is 8.0GB. [2022-02-19 04:04:04,113 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 0.10ms. Allocated memory is still 174.1MB. Free memory is still 136.2MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 35.29ms. Allocated memory is still 174.1MB. Free memory was 134.9MB in the beginning and 133.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 28.63ms. Allocated memory is still 174.1MB. Free memory was 133.4MB in the beginning and 132.4MB in the end (delta: 974.0kB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 283.05ms. Allocated memory is still 174.1MB. Free memory was 132.4MB in the beginning and 122.4MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 887684.57ms. Allocated memory was 174.1MB in the beginning and 878.7MB in the end (delta: 704.6MB). Free memory was 121.9MB in the beginning and 770.8MB in the end (delta: -648.9MB). Peak memory consumption was 580.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3135, positive: 2924, positive conditional: 1243, positive unconditional: 1681, negative: 211, negative conditional: 211, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2924, positive: 2924, positive conditional: 1243, positive unconditional: 1681, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2924, positive: 2924, positive conditional: 1243, positive unconditional: 1681, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2924, positive: 2924, positive conditional: 352, positive unconditional: 2572, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2924, positive: 2924, positive conditional: 346, positive unconditional: 2578, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2924, positive: 2924, positive conditional: 346, positive unconditional: 2578, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1527, positive: 1527, positive conditional: 0, positive unconditional: 1527, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1527, positive: 1524, positive conditional: 0, positive unconditional: 1524, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 49, positive: 49, positive conditional: 0, positive unconditional: 49, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2924, positive: 1397, positive conditional: 346, positive unconditional: 1051, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1527, unknown conditional: 0, unknown unconditional: 1527] , Statistics on independence cache: Total cache size (in pairs): 1527, Positive cache size: 1527, Positive conditional cache size: 0, Positive unconditional cache size: 1527, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 6, Maximal queried relation: 0, Independence queries for same thread: 211 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 47, Number of trivial persistent sets: 11, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1681, positive: 1681, positive conditional: 0, positive unconditional: 1681, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3135, positive: 2924, positive conditional: 1243, positive unconditional: 1681, negative: 211, negative conditional: 211, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2924, positive: 2924, positive conditional: 1243, positive unconditional: 1681, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2924, positive: 2924, positive conditional: 1243, positive unconditional: 1681, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2924, positive: 2924, positive conditional: 352, positive unconditional: 2572, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2924, positive: 2924, positive conditional: 346, positive unconditional: 2578, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2924, positive: 2924, positive conditional: 346, positive unconditional: 2578, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1527, positive: 1527, positive conditional: 0, positive unconditional: 1527, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1527, positive: 1524, positive conditional: 0, positive unconditional: 1524, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 49, positive: 49, positive conditional: 0, positive unconditional: 49, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2924, positive: 1397, positive conditional: 346, positive unconditional: 1051, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1527, unknown conditional: 0, unknown unconditional: 1527] , Statistics on independence cache: Total cache size (in pairs): 1527, Positive cache size: 1527, Positive conditional cache size: 0, Positive unconditional cache size: 1527, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 6, Maximal queried relation: 0, Independence queries for same thread: 211 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 84]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 36 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - TimeoutResultAtElement [Line: 75]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 36 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - TimeoutResultAtElement [Line: 77]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 36 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - TimeoutResultAtElement [Line: 76]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 36 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - TimeoutResultAtElement [Line: 75]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 36 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 98 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 887.5s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.4s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 73 NumberOfCodeBlocks, 73 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 96 ConstructedInterpolants, 0 QuantifiedInterpolants, 484 SizeOfPredicates, 2 NumberOfNonLiveVariables, 73 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 0/3 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 could not prove your program: Timeout Completed graceful shutdown