/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/NewStatesSleep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk26/divinefifo_1w1r.line437.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-e57bdd3-m [2022-10-24 14:08:35,424 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-24 14:08:35,426 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-24 14:08:35,455 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-24 14:08:35,455 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-24 14:08:35,458 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-24 14:08:35,460 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-24 14:08:35,464 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-24 14:08:35,467 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-24 14:08:35,470 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-24 14:08:35,471 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-24 14:08:35,473 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-24 14:08:35,473 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-24 14:08:35,474 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-24 14:08:35,475 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-24 14:08:35,476 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-24 14:08:35,477 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-24 14:08:35,477 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-24 14:08:35,479 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-24 14:08:35,484 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-24 14:08:35,485 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-24 14:08:35,486 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-24 14:08:35,486 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-24 14:08:35,488 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-24 14:08:35,493 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-24 14:08:35,502 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2022-10-24 14:08:35,529 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-24 14:08:35,529 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-24 14:08:35,530 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-24 14:08:35,530 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-24 14:08:35,531 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-24 14:08:35,531 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-24 14:08:35,532 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-24 14:08:35,533 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-24 14:08:35,533 INFO L138 SettingsManager]: * Use SBE=true [2022-10-24 14:08:35,533 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-24 14:08:35,533 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-24 14:08:35,534 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-24 14:08:35,534 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-24 14:08:35,534 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-24 14:08:35,534 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-24 14:08:35,534 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-24 14:08:35,534 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-24 14:08:35,534 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-24 14:08:35,534 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-24 14:08:35,534 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-24 14:08:35,534 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-24 14:08:35,534 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-24 14:08:35,534 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-24 14:08:35,535 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-24 14:08:35,535 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-24 14:08:35,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-24 14:08:35,535 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-24 14:08:35,535 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-24 14:08:35,535 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-24 14:08:35,535 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-24 14:08:35,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-24 14:08:35,535 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-24 14:08:35,535 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-24 14:08:35,536 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-24 14:08:35,536 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-24 14:08:35,536 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> BADGER [2022-10-24 14:08:35,810 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-24 14:08:35,826 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-24 14:08:35,828 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-24 14:08:35,828 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-24 14:08:35,829 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-24 14:08:35,830 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk26/divinefifo_1w1r.line437.bpl [2022-10-24 14:08:35,831 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk26/divinefifo_1w1r.line437.bpl' [2022-10-24 14:08:35,907 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-24 14:08:35,909 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-10-24 14:08:35,910 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-24 14:08:35,910 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-24 14:08:35,910 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-24 14:08:35,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "divinefifo_1w1r.line437.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 02:08:35" (1/1) ... [2022-10-24 14:08:35,947 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "divinefifo_1w1r.line437.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 02:08:35" (1/1) ... [2022-10-24 14:08:35,962 INFO L138 Inliner]: procedures = 2, calls = 1, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-10-24 14:08:35,964 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-24 14:08:35,965 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-24 14:08:35,965 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-24 14:08:35,965 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-24 14:08:35,970 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "divinefifo_1w1r.line437.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 02:08:35" (1/1) ... [2022-10-24 14:08:35,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "divinefifo_1w1r.line437.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 02:08:35" (1/1) ... [2022-10-24 14:08:35,981 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "divinefifo_1w1r.line437.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 02:08:35" (1/1) ... [2022-10-24 14:08:35,982 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "divinefifo_1w1r.line437.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 02:08:35" (1/1) ... [2022-10-24 14:08:36,010 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "divinefifo_1w1r.line437.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 02:08:35" (1/1) ... [2022-10-24 14:08:36,015 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "divinefifo_1w1r.line437.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 02:08:35" (1/1) ... [2022-10-24 14:08:36,020 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "divinefifo_1w1r.line437.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 02:08:35" (1/1) ... [2022-10-24 14:08:36,029 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-24 14:08:36,029 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-24 14:08:36,029 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-24 14:08:36,030 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-24 14:08:36,037 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "divinefifo_1w1r.line437.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 02:08:35" (1/1) ... [2022-10-24 14:08:36,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-24 14:08:36,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-24 14:08:36,067 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 14:08:36,074 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 14:08:36,099 INFO L130 BoogieDeclarations]: Found specification of procedure pusher [2022-10-24 14:08:36,100 INFO L138 BoogieDeclarations]: Found implementation of procedure pusher [2022-10-24 14:08:36,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-24 14:08:36,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-24 14:08:36,101 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 14:08:36,290 INFO L234 CfgBuilder]: Building ICFG [2022-10-24 14:08:36,291 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-24 14:08:37,142 INFO L275 CfgBuilder]: Performing block encoding [2022-10-24 14:08:37,169 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-24 14:08:37,170 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-24 14:08:37,173 INFO L202 PluginConnector]: Adding new model divinefifo_1w1r.line437.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:08:37 BoogieIcfgContainer [2022-10-24 14:08:37,173 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-24 14:08:37,175 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-24 14:08:37,176 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-24 14:08:37,178 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-24 14:08:37,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo_1w1r.line437.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 02:08:35" (1/2) ... [2022-10-24 14:08:37,179 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15aceeb0 and model type divinefifo_1w1r.line437.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:08:37, skipping insertion in model container [2022-10-24 14:08:37,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo_1w1r.line437.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:08:37" (2/2) ... [2022-10-24 14:08:37,181 INFO L112 eAbstractionObserver]: Analyzing ICFG divinefifo_1w1r.line437.bpl [2022-10-24 14:08:37,187 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-24 14:08:37,194 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-24 14:08:37,195 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-24 14:08:37,195 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-24 14:08:37,332 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-10-24 14:08:37,395 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-24 14:08:37,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-24 14:08:37,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-24 14:08:37,412 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 14:08:37,415 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 14:08:37,458 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-24 14:08:37,463 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == pusherErr0ASSERT_VIOLATIONASSERT ======== [2022-10-24 14:08:37,469 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;@608035db, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-24 14:08:37,469 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-24 14:08:37,471 WARN L124 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-10-24 14:08:37,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location pusherErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-10-24 14:08:37,481 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-24 14:08:37,485 INFO L307 ceAbstractionStarter]: Result for error location pusherErr0ASSERT_VIOLATIONASSERT was SAFE (1/3) [2022-10-24 14:08:37,500 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-24 14:08:37,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-24 14:08:37,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-24 14:08:37,515 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-24 14:08:37,540 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-24 14:08:37,540 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-24 14:08:37,541 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;@608035db, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-24 14:08:37,541 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-24 14:08:37,553 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2022-10-24 14:08:37,601 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-24 14:08:37,605 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-24 14:08:37,605 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (2/3) [2022-10-24 14:08:37,614 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-24 14:08:37,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-24 14:08:37,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-24 14:08:37,634 INFO L229 MonitoredProcess]: Starting monitored process 4 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 14:08:37,638 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-24 14:08:37,638 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == pusherErr0ASSERT_VIOLATIONASSERT ======== [2022-10-24 14:08:37,638 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;@608035db, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-24 14:08:37,639 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-24 14:08:37,651 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2022-10-24 14:08:37,695 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting pusherErr0ASSERT_VIOLATIONASSERT === [pusherErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 14:08:37,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 14:08:37,699 INFO L85 PathProgramCache]: Analyzing trace with hash 1511532441, now seen corresponding path program 1 times [2022-10-24 14:08:37,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 14:08:37,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016529153] [2022-10-24 14:08:37,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 14:08:37,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 14:08:37,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 14:08:38,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-24 14:08:38,108 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 14:08:38,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016529153] [2022-10-24 14:08:38,109 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016529153] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 14:08:38,109 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 14:08:38,109 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-24 14:08:38,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549348303] [2022-10-24 14:08:38,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 14:08:38,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-24 14:08:38,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 14:08:38,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-24 14:08:38,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-24 14:08:38,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:08:38,173 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 14:08:38,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 178.5) internal successors, (357), 2 states have internal predecessors, (357), 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) [2022-10-24 14:08:38,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:08:38,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:08:38,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-24 14:08:38,203 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting pusherErr0ASSERT_VIOLATIONASSERT === [pusherErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 14:08:38,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 14:08:38,204 INFO L85 PathProgramCache]: Analyzing trace with hash 1056322897, now seen corresponding path program 1 times [2022-10-24 14:08:38,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 14:08:38,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092761082] [2022-10-24 14:08:38,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 14:08:38,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 14:08:38,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 14:08:38,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-24 14:08:38,473 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 14:08:38,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092761082] [2022-10-24 14:08:38,473 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092761082] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 14:08:38,473 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 14:08:38,473 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-24 14:08:38,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019340454] [2022-10-24 14:08:38,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 14:08:38,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-24 14:08:38,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 14:08:38,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-24 14:08:38,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-10-24 14:08:38,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:08:38,475 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 14:08:38,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 50.857142857142854) internal successors, (356), 8 states have internal predecessors, (356), 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) [2022-10-24 14:08:38,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:08:38,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:08:42,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:08:42,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-24 14:08:42,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-24 14:08:42,301 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting pusherErr0ASSERT_VIOLATIONASSERT === [pusherErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 14:08:42,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 14:08:42,302 INFO L85 PathProgramCache]: Analyzing trace with hash 884689750, now seen corresponding path program 1 times [2022-10-24 14:08:42,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 14:08:42,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294775855] [2022-10-24 14:08:42,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 14:08:42,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 14:08:43,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 14:08:47,979 INFO L134 CoverageAnalysis]: Checked inductivity of 22478 backedges. 19947 proven. 2371 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2022-10-24 14:08:47,980 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 14:08:47,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294775855] [2022-10-24 14:08:47,980 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294775855] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-24 14:08:47,980 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-24 14:08:47,981 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2022-10-24 14:08:47,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863264935] [2022-10-24 14:08:47,981 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-24 14:08:47,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-10-24 14:08:47,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 14:08:47,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-10-24 14:08:47,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=187, Unknown=0, NotChecked=0, Total=342 [2022-10-24 14:08:47,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:08:47,987 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 14:08:47,989 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 214.3684210526316) internal successors, (4073), 19 states have internal predecessors, (4073), 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) [2022-10-24 14:08:47,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:08:47,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-24 14:08:47,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:08:49,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:08:49,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-24 14:08:49,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-24 14:08:49,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-24 14:08:49,939 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting pusherErr0ASSERT_VIOLATIONASSERT === [pusherErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 14:08:49,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 14:08:49,940 INFO L85 PathProgramCache]: Analyzing trace with hash 332718452, now seen corresponding path program 1 times [2022-10-24 14:08:49,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 14:08:49,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184599157] [2022-10-24 14:08:49,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 14:08:49,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 14:08:52,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 14:09:16,251 INFO L134 CoverageAnalysis]: Checked inductivity of 3117 backedges. 1431 proven. 720 refuted. 0 times theorem prover too weak. 966 trivial. 0 not checked. [2022-10-24 14:09:16,252 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 14:09:16,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184599157] [2022-10-24 14:09:16,252 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184599157] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-24 14:09:16,252 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-24 14:09:16,253 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [192] total 192 [2022-10-24 14:09:16,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535278106] [2022-10-24 14:09:16,253 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-24 14:09:16,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 192 states [2022-10-24 14:09:16,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 14:09:16,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2022-10-24 14:09:16,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=822, Invalid=35850, Unknown=0, NotChecked=0, Total=36672 [2022-10-24 14:09:16,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:09:16,264 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 14:09:16,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 192 states, 192 states have (on average 5.588541666666667) internal successors, (1073), 192 states have internal predecessors, (1073), 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) [2022-10-24 14:09:16,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:09:16,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-24 14:09:16,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-24 14:09:16,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2022-10-24 14:22:36,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-24 14:22:36,495 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 1290 known predicates. [2022-10-24 14:22:36,495 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location pusherErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-10-24 14:22:36,496 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-10-24 14:22:36,496 INFO L307 ceAbstractionStarter]: Result for error location pusherErr0ASSERT_VIOLATIONASSERT was TIMEOUT (3/3) [2022-10-24 14:22:36,498 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-10-24 14:22:36,498 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-24 14:22:36,500 INFO L202 PluginConnector]: Adding new model divinefifo_1w1r.line437.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 02:22:36 BasicIcfg [2022-10-24 14:22:36,500 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-24 14:22:36,501 INFO L158 Benchmark]: Toolchain (without parser) took 840592.09ms. Allocated memory was 127.9MB in the beginning and 6.4GB in the end (delta: 6.3GB). Free memory was 101.4MB in the beginning and 3.6GB in the end (delta: -3.5GB). Peak memory consumption was 2.8GB. Max. memory is 8.0GB. [2022-10-24 14:22:36,501 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 127.9MB. Free memory was 107.5MB in the beginning and 107.5MB in the end (delta: 74.2kB). There was no memory consumed. Max. memory is 8.0GB. [2022-10-24 14:22:36,501 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.94ms. Allocated memory is still 127.9MB. Free memory was 101.3MB in the beginning and 98.7MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-10-24 14:22:36,501 INFO L158 Benchmark]: Boogie Preprocessor took 64.06ms. Allocated memory is still 127.9MB. Free memory was 98.6MB in the beginning and 93.0MB in the end (delta: 5.6MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2022-10-24 14:22:36,501 INFO L158 Benchmark]: RCFGBuilder took 1143.63ms. Allocated memory was 127.9MB in the beginning and 181.4MB in the end (delta: 53.5MB). Free memory was 93.0MB in the beginning and 124.6MB in the end (delta: -31.6MB). Peak memory consumption was 24.2MB. Max. memory is 8.0GB. [2022-10-24 14:22:36,502 INFO L158 Benchmark]: TraceAbstraction took 839324.94ms. Allocated memory was 181.4MB in the beginning and 6.4GB in the end (delta: 6.2GB). Free memory was 124.1MB in the beginning and 3.6GB in the end (delta: -3.5GB). Peak memory consumption was 2.7GB. Max. memory is 8.0GB. [2022-10-24 14:22:36,503 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 0.11ms. Allocated memory is still 127.9MB. Free memory was 107.5MB in the beginning and 107.5MB in the end (delta: 74.2kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 53.94ms. Allocated memory is still 127.9MB. Free memory was 101.3MB in the beginning and 98.7MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 64.06ms. Allocated memory is still 127.9MB. Free memory was 98.6MB in the beginning and 93.0MB in the end (delta: 5.6MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1143.63ms. Allocated memory was 127.9MB in the beginning and 181.4MB in the end (delta: 53.5MB). Free memory was 93.0MB in the beginning and 124.6MB in the end (delta: -31.6MB). Peak memory consumption was 24.2MB. Max. memory is 8.0GB. * TraceAbstraction took 839324.94ms. Allocated memory was 181.4MB in the beginning and 6.4GB in the end (delta: 6.2GB). Free memory was 124.1MB in the beginning and 3.6GB in the end (delta: -3.5GB). Peak memory consumption was 2.7GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 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 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, 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: 2 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 234957, positive: 227546, positive conditional: 227546, positive unconditional: 0, negative: 7411, negative conditional: 7411, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 228519, positive: 227546, positive conditional: 227546, positive unconditional: 0, negative: 973, negative conditional: 973, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 228519, positive: 227546, positive conditional: 227546, positive unconditional: 0, negative: 973, negative conditional: 973, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 230978, positive: 227546, positive conditional: 24, positive unconditional: 227522, negative: 3432, negative conditional: 2435, negative unconditional: 997, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 230978, positive: 227546, positive conditional: 24, positive unconditional: 227522, negative: 3432, negative conditional: 281, negative unconditional: 3151, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 230978, positive: 227546, positive conditional: 24, positive unconditional: 227522, negative: 3432, negative conditional: 281, negative unconditional: 3151, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 37508, positive: 37061, positive conditional: 18, positive unconditional: 37043, negative: 447, negative conditional: 260, negative unconditional: 187, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 37508, positive: 37043, positive conditional: 0, positive unconditional: 37043, negative: 465, negative conditional: 0, negative unconditional: 465, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 465, positive: 18, positive conditional: 18, positive unconditional: 0, negative: 447, negative conditional: 260, negative unconditional: 187, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1354, positive: 57, positive conditional: 57, positive unconditional: 0, negative: 1296, negative conditional: 1029, negative unconditional: 268, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 230978, positive: 190485, positive conditional: 6, positive unconditional: 190479, negative: 2985, negative conditional: 21, negative unconditional: 2964, unknown: 37508, unknown conditional: 278, unknown unconditional: 37230] , Statistics on independence cache: Total cache size (in pairs): 37508, Positive cache size: 37061, Positive conditional cache size: 18, Positive unconditional cache size: 37043, Negative cache size: 447, Negative conditional cache size: 260, Negative unconditional cache size: 187, Eliminated conditions: 2154, Maximal queried relation: 3, Independence queries for same thread: 6438 - TimeoutResultAtElement [Line: 437]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1290 known predicates. - StatisticsResult: Ultimate Automizer benchmark data for error location: pusherErr0ASSERT_VIOLATIONASSERT with 1 thread instances CFG has 3 procedures, 1440 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, 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: 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 - StatisticsResult: Ultimate Automizer benchmark data for error location: pusherErr0ASSERT_VIOLATIONASSERT with 2 thread instances CFG has 3 procedures, 1440 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 838.9s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 806.1s, 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: 1126, 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: 0.1s SsaConstructionTime, 4.5s SatisfiabilityAnalysisTime, 27.7s InterpolantComputationTime, 6498 NumberOfCodeBlocks, 6498 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 6494 ConstructedInterpolants, 0 QuantifiedInterpolants, 62686 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 22504/25595 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 3 procedures, 1440 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.1s, 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: 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 [2022-10-24 14:22:36,536 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 14:22:36,536 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-10-24 14:22:36,536 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 14:22:36,536 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Timeout while monitored process is still running, waiting 1000 ms for graceful end Completed graceful shutdown