/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION --traceabstraction.trace.refinement.strategy BADGER -s ../../../trunk/examples/settings/gemcutter/SleepMap-ConcreteSmt-VarAbsGlobalSyntactic.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk23/elimination_backoff_stack.line3333.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-e57bdd3-m [2022-10-24 04:24:05,785 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2022-10-24 04:24:05,897 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-24 04:24:05,910 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-24 04:24:05,912 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-24 04:24:05,913 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-24 04:24:05,914 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-24 04:24:05,915 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-24 04:24:05,917 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-24 04:24:05,924 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-24 04:24:05,926 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-24 04:24:05,940 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-24 04:24:05,941 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-24 04:24:05,943 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-24 04:24:05,951 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-24 04:24:05,962 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-24 04:24:05,962 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-24 04:24:05,963 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-24 04:24:05,968 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/SleepMap-ConcreteSmt-VarAbsGlobalSyntactic.epf [2022-10-24 04:24:06,013 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-24 04:24:06,013 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-24 04:24:06,014 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-24 04:24:06,014 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-24 04:24:06,016 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-24 04:24:06,016 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-24 04:24:06,017 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-24 04:24:06,018 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-24 04:24:06,018 INFO L138 SettingsManager]: * Use SBE=true [2022-10-24 04:24:06,018 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-24 04:24:06,019 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-24 04:24:06,019 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-24 04:24:06,019 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-24 04:24:06,019 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-24 04:24:06,020 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-24 04:24:06,020 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-24 04:24:06,020 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-24 04:24:06,020 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-24 04:24:06,020 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-24 04:24:06,020 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-24 04:24:06,020 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-24 04:24:06,021 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-24 04:24:06,021 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-24 04:24:06,021 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-24 04:24:06,021 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-24 04:24:06,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-24 04:24:06,021 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-24 04:24:06,021 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-24 04:24:06,022 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-24 04:24:06,022 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-24 04:24:06,022 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-24 04:24:06,022 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-24 04:24:06,035 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-10-24 04:24:06,035 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-24 04:24:06,036 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-24 04:24:06,036 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-10-24 04:24:06,036 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-24 04:24:06,036 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-24 04:24:06,037 INFO L138 SettingsManager]: * Number of independence relations to use for POR=2 [2022-10-24 04:24:06,037 INFO L138 SettingsManager]: * Independence relation used for POR in concurrent analysis=SYNTACTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> BADGER [2022-10-24 04:24:06,477 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-24 04:24:06,528 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-24 04:24:06,530 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-24 04:24:06,531 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-24 04:24:06,532 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-24 04:24:06,534 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk23/elimination_backoff_stack.line3333.bpl [2022-10-24 04:24:06,535 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk23/elimination_backoff_stack.line3333.bpl' [2022-10-24 04:24:06,900 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-24 04:24:06,902 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-10-24 04:24:06,912 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-24 04:24:06,912 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-24 04:24:06,912 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-24 04:24:06,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "elimination_backoff_stack.line3333.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 04:24:06" (1/1) ... [2022-10-24 04:24:07,148 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "elimination_backoff_stack.line3333.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 04:24:06" (1/1) ... [2022-10-24 04:24:07,161 INFO L138 Inliner]: procedures = 8, calls = 7, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-10-24 04:24:07,163 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-24 04:24:07,164 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-24 04:24:07,164 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-24 04:24:07,164 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-24 04:24:07,173 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "elimination_backoff_stack.line3333.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 04:24:06" (1/1) ... [2022-10-24 04:24:07,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "elimination_backoff_stack.line3333.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 04:24:06" (1/1) ... [2022-10-24 04:24:07,264 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "elimination_backoff_stack.line3333.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 04:24:06" (1/1) ... [2022-10-24 04:24:07,265 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "elimination_backoff_stack.line3333.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 04:24:06" (1/1) ... [2022-10-24 04:24:07,518 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "elimination_backoff_stack.line3333.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 04:24:06" (1/1) ... [2022-10-24 04:24:07,557 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "elimination_backoff_stack.line3333.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 04:24:06" (1/1) ... [2022-10-24 04:24:07,614 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "elimination_backoff_stack.line3333.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 04:24:06" (1/1) ... [2022-10-24 04:24:07,720 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-24 04:24:07,721 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-24 04:24:07,721 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-24 04:24:07,721 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-24 04:24:07,722 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "elimination_backoff_stack.line3333.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 04:24:06" (1/1) ... [2022-10-24 04:24:07,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-24 04:24:07,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-24 04:24:07,790 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) [2022-10-24 04:24:07,793 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 [2022-10-24 04:24:07,838 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop3 [2022-10-24 04:24:07,838 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop3 [2022-10-24 04:24:07,839 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop4 [2022-10-24 04:24:07,839 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop4 [2022-10-24 04:24:07,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-24 04:24:07,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-24 04:24:07,839 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush2 [2022-10-24 04:24:07,839 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush2 [2022-10-24 04:24:07,839 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush1 [2022-10-24 04:24:07,840 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush1 [2022-10-24 04:24:07,840 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush0 [2022-10-24 04:24:07,840 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush0 [2022-10-24 04:24:07,842 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop5 [2022-10-24 04:24:07,842 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop5 [2022-10-24 04:24:07,842 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop6 [2022-10-24 04:24:07,842 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop6 [2022-10-24 04:24:07,846 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-24 04:24:08,345 INFO L234 CfgBuilder]: Building ICFG [2022-10-24 04:24:08,347 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-24 04:24:13,133 INFO L275 CfgBuilder]: Performing block encoding [2022-10-24 04:24:13,192 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-24 04:24:13,192 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-24 04:24:13,203 INFO L202 PluginConnector]: Adding new model elimination_backoff_stack.line3333.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:24:13 BoogieIcfgContainer [2022-10-24 04:24:13,204 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-24 04:24:13,206 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-24 04:24:13,206 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-24 04:24:13,209 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-24 04:24:13,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "elimination_backoff_stack.line3333.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 04:24:06" (1/2) ... [2022-10-24 04:24:13,211 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a3a4cef and model type elimination_backoff_stack.line3333.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 04:24:13, skipping insertion in model container [2022-10-24 04:24:13,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "elimination_backoff_stack.line3333.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:24:13" (2/2) ... [2022-10-24 04:24:13,213 INFO L112 eAbstractionObserver]: Analyzing ICFG elimination_backoff_stack.line3333.bpl [2022-10-24 04:24:13,221 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-24 04:24:13,230 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-24 04:24:13,230 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-24 04:24:13,230 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-24 04:24:14,368 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-10-24 04:24:14,605 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-24 04:24:14,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-24 04:24:14,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-24 04:24:14,608 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) [2022-10-24 04:24:14,642 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 [2022-10-24 04:24:14,709 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-24 04:24:14,731 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2022-10-24 04:24:14,731 WARN L162 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2022-10-24 04:24:14,731 WARN L163 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2022-10-24 04:24:14,737 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-24 04:24:14,773 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;@403f21ee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-24 04:24:14,773 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. Received shutdown request... [2022-10-24 04:31:58,645 WARN L619 AbstractCegarLoop]: Verification canceled: while executing OptimisticBudget. [2022-10-24 04:31:58,649 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-24 04:31:58,670 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-24 04:31:58,679 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 [2022-10-24 04:31:58,679 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 [2022-10-24 04:31:58,686 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was TIMEOUT (1/9) [2022-10-24 04:31:58,688 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-10-24 04:31:58,688 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-24 04:31:58,691 INFO L202 PluginConnector]: Adding new model elimination_backoff_stack.line3333.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 04:31:58 BasicIcfg [2022-10-24 04:31:58,691 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-24 04:31:58,692 INFO L158 Benchmark]: Toolchain (without parser) took 471789.86ms. Allocated memory was 194.0MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 164.7MB in the beginning and 2.9GB in the end (delta: -2.8GB). Peak memory consumption was 5.5GB. Max. memory is 8.0GB. [2022-10-24 04:31:58,692 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.85ms. Allocated memory is still 194.0MB. Free memory is still 175.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-24 04:31:58,692 INFO L158 Benchmark]: Boogie Procedure Inliner took 250.93ms. Allocated memory is still 194.0MB. Free memory was 164.7MB in the beginning and 161.9MB in the end (delta: 2.8MB). Peak memory consumption was 11.3MB. Max. memory is 8.0GB. [2022-10-24 04:31:58,693 INFO L158 Benchmark]: Boogie Preprocessor took 556.13ms. Allocated memory was 194.0MB in the beginning and 320.9MB in the end (delta: 126.9MB). Free memory was 161.9MB in the beginning and 266.7MB in the end (delta: -104.8MB). Peak memory consumption was 21.5MB. Max. memory is 8.0GB. [2022-10-24 04:31:58,693 INFO L158 Benchmark]: RCFGBuilder took 5483.01ms. Allocated memory was 320.9MB in the beginning and 620.8MB in the end (delta: 299.9MB). Free memory was 266.2MB in the beginning and 478.3MB in the end (delta: -212.1MB). Peak memory consumption was 180.5MB. Max. memory is 8.0GB. [2022-10-24 04:31:58,694 INFO L158 Benchmark]: TraceAbstraction took 465485.05ms. Allocated memory was 620.8MB in the beginning and 8.0GB in the end (delta: 7.4GB). Free memory was 477.2MB in the beginning and 2.9GB in the end (delta: -2.4GB). Peak memory consumption was 5.4GB. Max. memory is 8.0GB. [2022-10-24 04:31:58,695 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 0.85ms. Allocated memory is still 194.0MB. Free memory is still 175.3MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 250.93ms. Allocated memory is still 194.0MB. Free memory was 164.7MB in the beginning and 161.9MB in the end (delta: 2.8MB). Peak memory consumption was 11.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 556.13ms. Allocated memory was 194.0MB in the beginning and 320.9MB in the end (delta: 126.9MB). Free memory was 161.9MB in the beginning and 266.7MB in the end (delta: -104.8MB). Peak memory consumption was 21.5MB. Max. memory is 8.0GB. * RCFGBuilder took 5483.01ms. Allocated memory was 320.9MB in the beginning and 620.8MB in the end (delta: 299.9MB). Free memory was 266.2MB in the beginning and 478.3MB in the end (delta: -212.1MB). Peak memory consumption was 180.5MB. Max. memory is 8.0GB. * TraceAbstraction took 465485.05ms. Allocated memory was 620.8MB in the beginning and 8.0GB in the end (delta: 7.4GB). Free memory was 477.2MB in the beginning and 2.9GB in the end (delta: -2.4GB). Peak memory consumption was 5.4GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 7243624, positive: 7111850, positive conditional: 7111850, positive unconditional: 0, negative: 131774, negative conditional: 131774, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7243624, positive: 7111850, positive conditional: 7111850, positive unconditional: 0, negative: 131774, negative conditional: 131774, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7129244, positive: 7111850, positive conditional: 0, positive unconditional: 7111850, negative: 17394, negative conditional: 0, negative unconditional: 17394, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1763592, positive: 1755528, positive conditional: 0, positive unconditional: 1755528, negative: 8064, negative conditional: 0, negative unconditional: 8064, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 7129244, positive: 5356322, positive conditional: 0, positive unconditional: 5356322, negative: 9330, negative conditional: 0, negative unconditional: 9330, unknown: 1763592, unknown conditional: 0, unknown unconditional: 1763592] , Statistics on independence cache: Total cache size (in pairs): 1763592, Positive cache size: 1755528, Positive conditional cache size: 0, Positive unconditional cache size: 1755528, Negative cache size: 8064, Negative conditional cache size: 0, Negative unconditional cache size: 8064, Independence queries for same thread: 114380, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - TimeoutResultAtElement [Line: 5881]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing OptimisticBudget. - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 15 procedures, 18415 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 464.2s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 463.9s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown [2022-10-24 04:31:58,782 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0