/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/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps X --traceabstraction.defines.what.statements.are.considered.a.step.in.por ALL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-fun-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-03 22:00:36,462 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-03 22:00:36,464 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-03 22:00:36,487 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-05-03 22:00:36,501 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-03 22:00:36,502 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-03 22:00:36,504 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-03 22:00:36,504 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-03 22:00:36,505 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-03 22:00:36,505 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-03 22:00:36,508 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-03 22:00:36,512 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-03 22:00:36,513 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-03 22:00:36,514 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-03 22:00:36,515 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-03 22:00:36,516 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-03 22:00:36,520 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-05-03 22:00:36,526 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-03 22:00:36,527 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-03 22:00:36,527 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-03 22:00:36,528 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-03 22:00:36,556 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-03 22:00:36,557 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-03 22:00:36,557 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-03 22:00:36,557 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-03 22:00:36,558 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-03 22:00:36,558 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-03 22:00:36,558 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-03 22:00:36,558 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-03 22:00:36,558 INFO L138 SettingsManager]: * Use SBE=true [2023-05-03 22:00:36,559 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-03 22:00:36,559 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-03 22:00:36,559 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-03 22:00:36,559 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-03 22:00:36,559 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-03 22:00:36,560 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-03 22:00:36,560 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-03 22:00:36,560 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-03 22:00:36,560 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-03 22:00:36,560 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-03 22:00:36,560 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-03 22:00:36,560 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-03 22:00:36,560 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-03 22:00:36,560 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-03 22:00:36,561 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-03 22:00:36,561 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-03 22:00:36,561 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-03 22:00:36,561 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-03 22:00:36,562 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-03 22:00:36,562 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-03 22:00:36,562 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-03 22:00:36,562 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-03 22:00:36,562 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-03 22:00:36,562 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-03 22:00:36,562 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-03 22:00:36,562 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-03 22:00:36,562 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-03 22:00:36,562 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> ALL_READ_WRITE [2023-05-03 22:00:36,779 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-03 22:00:36,795 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-03 22:00:36,797 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-03 22:00:36,798 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-05-03 22:00:36,799 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2023-05-03 22:00:36,800 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-fun-alt.wvr.bpl [2023-05-03 22:00:36,801 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-fun-alt.wvr.bpl' [2023-05-03 22:00:36,824 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-03 22:00:36,825 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-05-03 22:00:36,826 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-03 22:00:36,826 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-03 22:00:36,826 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-03 22:00:36,834 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 10:00:36" (1/1) ... [2023-05-03 22:00:36,840 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 10:00:36" (1/1) ... [2023-05-03 22:00:36,845 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-05-03 22:00:36,846 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-03 22:00:36,847 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-03 22:00:36,847 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-03 22:00:36,847 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-03 22:00:36,853 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 10:00:36" (1/1) ... [2023-05-03 22:00:36,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 10:00:36" (1/1) ... [2023-05-03 22:00:36,854 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 10:00:36" (1/1) ... [2023-05-03 22:00:36,855 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 10:00:36" (1/1) ... [2023-05-03 22:00:36,858 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 10:00:36" (1/1) ... [2023-05-03 22:00:36,862 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 10:00:36" (1/1) ... [2023-05-03 22:00:36,862 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 10:00:36" (1/1) ... [2023-05-03 22:00:36,863 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 10:00:36" (1/1) ... [2023-05-03 22:00:36,867 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-03 22:00:36,868 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-03 22:00:36,868 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-03 22:00:36,868 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-03 22:00:36,869 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 10:00:36" (1/1) ... [2023-05-03 22:00:36,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-03 22:00:36,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 22:00:36,891 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) [2023-05-03 22:00:36,909 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 [2023-05-03 22:00:36,919 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-05-03 22:00:36,919 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-03 22:00:36,919 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-03 22:00:36,919 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-05-03 22:00:36,919 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-03 22:00:36,919 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-03 22:00:36,919 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-05-03 22:00:36,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-03 22:00:36,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-03 22:00:36,919 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2023-05-03 22:00:36,919 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-03 22:00:36,920 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-03 22:00:36,920 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-03 22:00:36,954 INFO L235 CfgBuilder]: Building ICFG [2023-05-03 22:00:36,955 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-03 22:00:37,024 INFO L276 CfgBuilder]: Performing block encoding [2023-05-03 22:00:37,035 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-03 22:00:37,035 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-03 22:00:37,037 INFO L202 PluginConnector]: Adding new model max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 10:00:37 BoogieIcfgContainer [2023-05-03 22:00:37,037 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-03 22:00:37,047 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-03 22:00:37,047 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-03 22:00:37,050 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-03 22:00:37,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 10:00:36" (1/2) ... [2023-05-03 22:00:37,050 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1efc5bf5 and model type max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 10:00:37, skipping insertion in model container [2023-05-03 22:00:37,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 10:00:37" (2/2) ... [2023-05-03 22:00:37,052 INFO L112 eAbstractionObserver]: Analyzing ICFG max-fun-alt.wvr.bpl [2023-05-03 22:00:37,057 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-03 22:00:37,063 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-03 22:00:37,063 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-03 22:00:37,063 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-03 22:00:37,109 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-05-03 22:00:37,154 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-03 22:00:37,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-03 22:00:37,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 22:00:37,156 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) [2023-05-03 22:00:37,160 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 [2023-05-03 22:00:37,202 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-03 22:00:37,220 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-03 22:00:37,229 INFO L357 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, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@52fa46a0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-03 22:00:37,229 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-05-03 22:00:37,395 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-03 22:00:37,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 22:00:37,401 INFO L85 PathProgramCache]: Analyzing trace with hash 1553479914, now seen corresponding path program 1 times [2023-05-03 22:00:37,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 22:00:37,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880195627] [2023-05-03 22:00:37,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 22:00:37,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 22:00:37,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 22:00:37,829 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 13 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-03 22:00:37,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 22:00:37,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880195627] [2023-05-03 22:00:37,830 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880195627] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 22:00:37,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1979470836] [2023-05-03 22:00:37,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 22:00:37,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 22:00:37,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 22:00:37,832 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) [2023-05-03 22:00:37,861 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-03 22:00:37,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 22:00:37,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjunts are in the unsatisfiable core [2023-05-03 22:00:37,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 22:00:38,076 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-05-03 22:00:38,076 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 22:00:38,257 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-05-03 22:00:38,258 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1979470836] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 22:00:38,258 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 22:00:38,258 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 6, 8] total 19 [2023-05-03 22:00:38,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87659945] [2023-05-03 22:00:38,261 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 22:00:38,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-05-03 22:00:38,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 22:00:38,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-05-03 22:00:38,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2023-05-03 22:00:38,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 22:00:38,291 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 22:00:38,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.789473684210526) internal successors, (72), 19 states have internal predecessors, (72), 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) [2023-05-03 22:00:38,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 22:00:38,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-03 22:00:38,864 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-03 22:00:39,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-05-03 22:00:39,055 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-03 22:00:39,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 22:00:39,056 INFO L85 PathProgramCache]: Analyzing trace with hash 1655430388, now seen corresponding path program 2 times [2023-05-03 22:00:39,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 22:00:39,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362466301] [2023-05-03 22:00:39,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 22:00:39,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 22:00:39,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 22:00:39,182 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-03 22:00:39,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 22:00:39,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362466301] [2023-05-03 22:00:39,182 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362466301] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 22:00:39,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [286544014] [2023-05-03 22:00:39,183 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-03 22:00:39,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 22:00:39,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 22:00:39,184 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) [2023-05-03 22:00:39,218 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-03 22:00:39,219 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-03 22:00:39,233 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 22:00:39,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 10 conjunts are in the unsatisfiable core [2023-05-03 22:00:39,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 22:00:39,313 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-03 22:00:39,313 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 22:00:39,445 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 22:00:39,446 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [286544014] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 22:00:39,446 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 22:00:39,446 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 11] total 17 [2023-05-03 22:00:39,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61175938] [2023-05-03 22:00:39,446 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 22:00:39,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-05-03 22:00:39,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 22:00:39,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-05-03 22:00:39,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2023-05-03 22:00:39,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 22:00:39,448 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 22:00:39,448 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.2941176470588234) internal successors, (56), 17 states have internal predecessors, (56), 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) [2023-05-03 22:00:39,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-03 22:00:39,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 22:00:39,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-03 22:00:39,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-03 22:00:39,873 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-03 22:00:40,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 22:00:40,056 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-03 22:00:40,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 22:00:40,057 INFO L85 PathProgramCache]: Analyzing trace with hash 774534768, now seen corresponding path program 3 times [2023-05-03 22:00:40,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 22:00:40,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561551973] [2023-05-03 22:00:40,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 22:00:40,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 22:00:40,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 22:00:41,517 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 22:00:41,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 22:00:41,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561551973] [2023-05-03 22:00:41,519 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561551973] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 22:00:41,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [631118013] [2023-05-03 22:00:41,524 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-03 22:00:41,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 22:00:41,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 22:00:41,537 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 22:00:41,568 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-03 22:00:41,578 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2023-05-03 22:00:41,578 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 22:00:41,579 WARN L261 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 43 conjunts are in the unsatisfiable core [2023-05-03 22:00:41,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 22:01:03,632 WARN L233 SmtUtils]: Spent 17.52s on a formula simplification. DAG size of input: 1141 DAG size of output: 1105 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-05-03 22:01:03,642 INFO L356 Elim1Store]: treesize reduction 72, result has 96.7 percent of original size [2023-05-03 22:01:03,643 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 24 select indices, 24 select index equivalence classes, 3 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 273 case distinctions, treesize of input 710 treesize of output 2596 [2023-05-03 22:05:50,158 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2023-05-03 22:13:22,018 WARN L233 SmtUtils]: Spent 7.53m on a formula simplification. DAG size of input: 2238 DAG size of output: 2205 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) Received shutdown request... [2023-05-03 22:15:04,481 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 [2023-05-03 22:15:04,514 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 [2023-05-03 22:15:04,524 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-03 22:15:04,677 WARN L249 SmtUtils]: Removed 2 from assertion stack [2023-05-03 22:15:04,679 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2023-05-03 22:15:04,696 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-03 22:15:04,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 22:15:04,881 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 35 with TraceHistMax 4,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 105ms.. [2023-05-03 22:15:04,883 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-05-03 22:15:04,883 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-05-03 22:15:04,883 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-05-03 22:15:04,886 INFO L444 BasicCegarLoop]: Path program histogram: [3] [2023-05-03 22:15:04,889 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-03 22:15:04,889 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-03 22:15:04,890 INFO L202 PluginConnector]: Adding new model max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.05 10:15:04 BasicIcfg [2023-05-03 22:15:04,890 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-03 22:15:04,891 INFO L158 Benchmark]: Toolchain (without parser) took 868065.50ms. Allocated memory was 190.8MB in the beginning and 404.8MB in the end (delta: 213.9MB). Free memory was 145.0MB in the beginning and 158.8MB in the end (delta: -13.8MB). Peak memory consumption was 341.5MB. Max. memory is 8.0GB. [2023-05-03 22:15:04,893 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.12ms. Allocated memory is still 190.8MB. Free memory is still 146.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-03 22:15:04,893 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.19ms. Allocated memory is still 190.8MB. Free memory was 144.9MB in the beginning and 143.4MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-03 22:15:04,897 INFO L158 Benchmark]: Boogie Preprocessor took 20.00ms. Allocated memory is still 190.8MB. Free memory was 143.4MB in the beginning and 142.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-03 22:15:04,897 INFO L158 Benchmark]: RCFGBuilder took 169.41ms. Allocated memory is still 190.8MB. Free memory was 142.2MB in the beginning and 132.4MB in the end (delta: 9.8MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2023-05-03 22:15:04,897 INFO L158 Benchmark]: TraceAbstraction took 867843.71ms. Allocated memory was 190.8MB in the beginning and 404.8MB in the end (delta: 213.9MB). Free memory was 161.9MB in the beginning and 158.8MB in the end (delta: 3.1MB). Peak memory consumption was 357.5MB. Max. memory is 8.0GB. [2023-05-03 22:15:04,898 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 0.12ms. Allocated memory is still 190.8MB. Free memory is still 146.1MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 20.19ms. Allocated memory is still 190.8MB. Free memory was 144.9MB in the beginning and 143.4MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 20.00ms. Allocated memory is still 190.8MB. Free memory was 143.4MB in the beginning and 142.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 169.41ms. Allocated memory is still 190.8MB. Free memory was 142.2MB in the beginning and 132.4MB in the end (delta: 9.8MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 867843.71ms. Allocated memory was 190.8MB in the beginning and 404.8MB in the end (delta: 213.9MB). Free memory was 161.9MB in the beginning and 158.8MB in the end (delta: 3.1MB). Peak memory consumption was 357.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 862, independent: 740, independent conditional: 354, independent unconditional: 386, dependent: 122, dependent conditional: 122, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 740, independent: 740, independent conditional: 354, independent unconditional: 386, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 740, independent: 740, independent conditional: 354, independent unconditional: 386, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 740, independent: 740, independent conditional: 0, independent unconditional: 740, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 740, independent: 740, independent conditional: 0, independent unconditional: 740, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 740, independent: 740, independent conditional: 0, independent unconditional: 740, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 340, independent: 340, independent conditional: 0, independent unconditional: 340, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 340, independent: 336, independent conditional: 0, independent unconditional: 336, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 75, independent: 75, independent conditional: 0, independent unconditional: 75, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 740, independent: 400, independent conditional: 0, independent unconditional: 400, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 340, unknown conditional: 0, unknown unconditional: 340] , Statistics on independence cache: Total cache size (in pairs): 340, Positive cache size: 340, Positive conditional cache size: 0, Positive unconditional cache size: 340, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 122 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 53, Number of trivial persistent sets: 23, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 386, independent: 386, independent conditional: 0, independent unconditional: 386, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 862, independent: 740, independent conditional: 354, independent unconditional: 386, dependent: 122, dependent conditional: 122, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 740, independent: 740, independent conditional: 354, independent unconditional: 386, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 740, independent: 740, independent conditional: 354, independent unconditional: 386, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 740, independent: 740, independent conditional: 0, independent unconditional: 740, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 740, independent: 740, independent conditional: 0, independent unconditional: 740, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 740, independent: 740, independent conditional: 0, independent unconditional: 740, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 340, independent: 340, independent conditional: 0, independent unconditional: 340, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 340, independent: 336, independent conditional: 0, independent unconditional: 336, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 75, independent: 75, independent conditional: 0, independent unconditional: 75, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 740, independent: 400, independent conditional: 0, independent unconditional: 400, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 340, unknown conditional: 0, unknown unconditional: 340] , Statistics on independence cache: Total cache size (in pairs): 340, Positive cache size: 340, Positive conditional cache size: 0, Positive unconditional cache size: 340, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 122 - TimeoutResultAtElement [Line: 65]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 35 with TraceHistMax 4,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 105ms.. - TimeoutResultAtElement [Line: 58]: 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 35 with TraceHistMax 4,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 105ms.. - TimeoutResultAtElement [Line: 59]: 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 35 with TraceHistMax 4,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 105ms.. - TimeoutResultAtElement [Line: 58]: 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 35 with TraceHistMax 4,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 105ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 867.7s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 1.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 50, 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, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 136 NumberOfCodeBlocks, 136 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 198 ConstructedInterpolants, 0 QuantifiedInterpolants, 884 SizeOfPredicates, 10 NumberOfNonLiveVariables, 172 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 6 InterpolantComputations, 0 PerfectInterpolantSequences, 76/138 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