/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf -tc ../../../trunk/examples/toolchains/AutomizerBpl.xml -i ../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/divinefifo-bug_1w1r.line381.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-5c708e3-m [2022-10-03 15:03:29,447 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-03 15:03:29,449 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-03 15:03:29,475 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-03 15:03:29,475 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-03 15:03:29,478 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-03 15:03:29,482 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-03 15:03:29,487 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-03 15:03:29,489 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-03 15:03:29,494 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-03 15:03:29,495 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-03 15:03:29,496 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-03 15:03:29,496 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-03 15:03:29,498 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-03 15:03:29,500 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-03 15:03:29,501 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-03 15:03:29,501 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-03 15:03:29,502 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-03 15:03:29,506 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-03 15:03:29,512 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-03 15:03:29,513 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-03 15:03:29,513 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-03 15:03:29,515 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-03 15:03:29,515 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-03 15:03:29,517 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-03 15:03:29,517 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-03 15:03:29,518 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-03 15:03:29,518 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-03 15:03:29,518 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-03 15:03:29,519 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-10-03 15:03:29,523 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-03 15:03:29,523 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-03 15:03:29,524 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-03 15:03:29,525 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf [2022-10-03 15:03:29,552 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-03 15:03:29,553 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-03 15:03:29,553 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-03 15:03:29,553 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-03 15:03:29,554 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-03 15:03:29,554 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-03 15:03:29,554 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-03 15:03:29,554 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-03 15:03:29,554 INFO L138 SettingsManager]: * Use SBE=true [2022-10-03 15:03:29,554 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-03 15:03:29,554 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-03 15:03:29,555 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-03 15:03:29,555 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-03 15:03:29,555 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-03 15:03:29,555 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-03 15:03:29,555 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-03 15:03:29,555 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-03 15:03:29,555 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-03 15:03:29,555 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-03 15:03:29,555 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-03 15:03:29,555 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-03 15:03:29,555 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-03 15:03:29,556 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-03 15:03:29,556 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-03 15:03:29,556 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-03 15:03:29,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-03 15:03:29,556 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-03 15:03:29,556 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-03 15:03:29,556 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-03 15:03:29,556 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-03 15:03:29,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-03 15:03:29,556 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-03 15:03:29,556 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-10-03 15:03:29,557 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-03 15:03:29,557 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-03 15:03:29,557 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-10-03 15:03:29,557 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-03 15:03:29,557 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-03 15:03:29,557 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-03 15:03:29,763 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-03 15:03:29,780 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-03 15:03:29,782 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-03 15:03:29,783 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-03 15:03:29,784 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-03 15:03:29,785 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/divinefifo-bug_1w1r.line381.bpl [2022-10-03 15:03:29,786 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/divinefifo-bug_1w1r.line381.bpl' [2022-10-03 15:03:29,855 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-03 15:03:29,857 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2022-10-03 15:03:29,858 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-03 15:03:29,858 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-03 15:03:29,858 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-03 15:03:29,871 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line381.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 03:03:29" (1/1) ... [2022-10-03 15:03:29,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line381.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 03:03:29" (1/1) ... [2022-10-03 15:03:29,909 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line381.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 03:03:29" (1/1) ... [2022-10-03 15:03:29,909 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line381.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 03:03:29" (1/1) ... [2022-10-03 15:03:29,954 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line381.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 03:03:29" (1/1) ... [2022-10-03 15:03:29,959 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line381.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 03:03:29" (1/1) ... [2022-10-03 15:03:29,981 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line381.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 03:03:29" (1/1) ... [2022-10-03 15:03:29,990 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-03 15:03:29,996 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-03 15:03:29,997 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-03 15:03:29,997 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-03 15:03:30,007 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "divinefifo-bug_1w1r.line381.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 03:03:29" (1/1) ... [2022-10-03 15:03:30,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-03 15:03:30,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 15:03:30,035 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) [2022-10-03 15:03:30,067 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 [2022-10-03 15:03:30,082 INFO L130 BoogieDeclarations]: Found specification of procedure pusher [2022-10-03 15:03:30,083 INFO L138 BoogieDeclarations]: Found implementation of procedure pusher [2022-10-03 15:03:30,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-03 15:03:30,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-03 15:03:30,085 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-03 15:03:30,255 INFO L234 CfgBuilder]: Building ICFG [2022-10-03 15:03:30,256 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-03 15:03:31,331 INFO L275 CfgBuilder]: Performing block encoding [2022-10-03 15:03:31,363 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-03 15:03:31,363 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-03 15:03:31,367 INFO L202 PluginConnector]: Adding new model divinefifo-bug_1w1r.line381.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 03:03:31 BoogieIcfgContainer [2022-10-03 15:03:31,367 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-03 15:03:31,370 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-03 15:03:31,370 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-03 15:03:31,373 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-03 15:03:31,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo-bug_1w1r.line381.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 03:03:29" (1/2) ... [2022-10-03 15:03:31,374 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@399116b0 and model type divinefifo-bug_1w1r.line381.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 03:03:31, skipping insertion in model container [2022-10-03 15:03:31,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo-bug_1w1r.line381.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 03:03:31" (2/2) ... [2022-10-03 15:03:31,379 INFO L112 eAbstractionObserver]: Analyzing ICFG divinefifo-bug_1w1r.line381.bpl [2022-10-03 15:03:31,387 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-03 15:03:31,397 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-03 15:03:31,398 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-03 15:03:31,398 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-03 15:03:31,544 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-10-03 15:03:31,606 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-03 15:03:31,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-03 15:03:31,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 15:03:31,609 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) [2022-10-03 15:03:31,623 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 [2022-10-03 15:03:31,646 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-03 15:03:31,656 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == pusherErr0ASSERT_VIOLATIONASSERT ======== [2022-10-03 15:03:31,662 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;@687e5dd0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-03 15:03:31,663 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-03 15:03:31,665 WARN L124 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-10-03 15:03:31,667 INFO L805 garLoopResultBuilder]: Registering result SAFE for location pusherErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-10-03 15:03:31,670 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-03 15:03:31,672 INFO L307 ceAbstractionStarter]: Result for error location pusherErr0ASSERT_VIOLATIONASSERT was SAFE (1/3) [2022-10-03 15:03:31,688 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-03 15:03:31,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-03 15:03:31,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 15:03:31,690 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) [2022-10-03 15:03:31,690 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 [2022-10-03 15:03:31,695 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-03 15:03:31,695 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-03 15:03:31,696 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;@687e5dd0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-03 15:03:31,696 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-03 15:03:31,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-03 15:03:31,759 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-03 15:03:31,759 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (2/3) [2022-10-03 15:03:31,782 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-03 15:03:31,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-03 15:03:31,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 15:03:31,824 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) [2022-10-03 15:03:31,830 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-03 15:03:31,830 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == pusherErr0ASSERT_VIOLATIONASSERT ======== [2022-10-03 15:03:31,831 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;@687e5dd0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-03 15:03:31,831 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-03 15:03:31,843 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 [2022-10-03 15:03:35,652 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting pusherErr0ASSERT_VIOLATIONASSERT === [pusherErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 15:03:35,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 15:03:35,656 INFO L85 PathProgramCache]: Analyzing trace with hash 1488926986, now seen corresponding path program 1 times [2022-10-03 15:03:35,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 15:03:35,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539549210] [2022-10-03 15:03:35,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 15:03:35,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 15:03:36,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 15:03:37,665 INFO L134 CoverageAnalysis]: Checked inductivity of 14876 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14876 trivial. 0 not checked. [2022-10-03 15:03:37,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 15:03:37,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539549210] [2022-10-03 15:03:37,666 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539549210] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 15:03:37,666 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-03 15:03:37,667 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-03 15:03:37,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811660419] [2022-10-03 15:03:37,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 15:03:37,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-03 15:03:37,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 15:03:37,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-03 15:03:37,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-03 15:03:37,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:03:37,692 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 15:03:37,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 461.5) internal successors, (923), 2 states have internal predecessors, (923), 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) [2022-10-03 15:03:37,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:03:40,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:03:40,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-03 15:03:40,599 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting pusherErr0ASSERT_VIOLATIONASSERT === [pusherErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 15:03:40,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 15:03:40,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1654650964, now seen corresponding path program 1 times [2022-10-03 15:03:40,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 15:03:40,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413142736] [2022-10-03 15:03:40,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 15:03:40,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 15:03:41,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 15:03:45,417 INFO L134 CoverageAnalysis]: Checked inductivity of 14876 backedges. 12834 proven. 2042 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 15:03:45,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 15:03:45,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413142736] [2022-10-03 15:03:45,417 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413142736] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-03 15:03:45,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2106912076] [2022-10-03 15:03:45,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 15:03:45,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-03 15:03:45,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 15:03:45,420 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-03 15:03:45,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-03 15:03:46,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 15:03:46,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 8670 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-03 15:03:46,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-03 15:03:48,384 INFO L134 CoverageAnalysis]: Checked inductivity of 14876 backedges. 11341 proven. 0 refuted. 0 times theorem prover too weak. 3535 trivial. 0 not checked. [2022-10-03 15:03:48,384 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-03 15:03:48,385 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2106912076] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 15:03:48,385 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-03 15:03:48,385 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [17] total 18 [2022-10-03 15:03:48,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060951523] [2022-10-03 15:03:48,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 15:03:48,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-03 15:03:48,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 15:03:48,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-03 15:03:48,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=167, Unknown=0, NotChecked=0, Total=306 [2022-10-03 15:03:48,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:03:48,392 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 15:03:48,394 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 214.4) internal successors, (2144), 10 states have internal predecessors, (2144), 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) [2022-10-03 15:03:48,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:03:48,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:03:51,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:03:51,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-03 15:03:52,006 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-10-03 15:03:52,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-03 15:03:52,176 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting pusherErr0ASSERT_VIOLATIONASSERT === [pusherErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 15:03:52,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 15:03:52,176 INFO L85 PathProgramCache]: Analyzing trace with hash -1085648594, now seen corresponding path program 1 times [2022-10-03 15:03:52,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 15:03:52,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133332353] [2022-10-03 15:03:52,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 15:03:52,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 15:03:52,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 15:03:52,913 INFO L134 CoverageAnalysis]: Checked inductivity of 2562 backedges. 793 proven. 174 refuted. 0 times theorem prover too weak. 1595 trivial. 0 not checked. [2022-10-03 15:03:52,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 15:03:52,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133332353] [2022-10-03 15:03:52,914 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133332353] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-03 15:03:52,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1847105815] [2022-10-03 15:03:52,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 15:03:52,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-03 15:03:52,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 15:03:52,916 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-03 15:03:52,918 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-03 15:03:53,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 15:03:53,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 3462 conjuncts, 38 conjunts are in the unsatisfiable core [2022-10-03 15:03:53,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-03 15:03:55,172 INFO L134 CoverageAnalysis]: Checked inductivity of 2562 backedges. 793 proven. 174 refuted. 0 times theorem prover too weak. 1595 trivial. 0 not checked. [2022-10-03 15:03:55,172 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-03 15:03:55,554 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-03 15:03:55,555 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 26 [2022-10-03 15:03:56,985 INFO L134 CoverageAnalysis]: Checked inductivity of 2562 backedges. 793 proven. 174 refuted. 0 times theorem prover too weak. 1595 trivial. 0 not checked. [2022-10-03 15:03:56,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1847105815] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-03 15:03:56,986 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-03 15:03:56,986 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 13] total 39 [2022-10-03 15:03:56,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306597834] [2022-10-03 15:03:56,986 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-03 15:03:56,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2022-10-03 15:03:56,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 15:03:56,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2022-10-03 15:03:56,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=1411, Unknown=0, NotChecked=0, Total=1560 [2022-10-03 15:03:56,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:03:56,990 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 15:03:56,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 39 states have (on average 41.94871794871795) internal successors, (1636), 40 states have internal predecessors, (1636), 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) [2022-10-03 15:03:56,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:03:56,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-03 15:03:56,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:04:37,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:04:37,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-03 15:04:37,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-03 15:04:37,480 INFO L805 garLoopResultBuilder]: Registering result SAFE for location pusherErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-10-03 15:04:37,514 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-10-03 15:04:37,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-03 15:04:37,693 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-10-03 15:04:37,693 INFO L307 ceAbstractionStarter]: Result for error location pusherErr0ASSERT_VIOLATIONASSERT was SAFE (3/3) [2022-10-03 15:04:37,695 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-10-03 15:04:37,695 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-03 15:04:37,698 INFO L202 PluginConnector]: Adding new model divinefifo-bug_1w1r.line381.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 03:04:37 BasicIcfg [2022-10-03 15:04:37,698 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-03 15:04:37,699 INFO L158 Benchmark]: Toolchain (without parser) took 67842.48ms. Allocated memory was 177.2MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 126.8MB in the beginning and 6.4GB in the end (delta: -6.3GB). Peak memory consumption was 2.6GB. Max. memory is 8.0GB. [2022-10-03 15:04:37,699 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.48ms. Allocated memory is still 177.2MB. Free memory is still 133.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-03 15:04:37,699 INFO L158 Benchmark]: Boogie Preprocessor took 132.15ms. Allocated memory is still 177.2MB. Free memory was 126.8MB in the beginning and 120.1MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2022-10-03 15:04:37,699 INFO L158 Benchmark]: RCFGBuilder took 1370.95ms. Allocated memory was 177.2MB in the beginning and 249.6MB in the end (delta: 72.4MB). Free memory was 120.1MB in the beginning and 152.9MB in the end (delta: -32.8MB). Peak memory consumption was 46.1MB. Max. memory is 8.0GB. [2022-10-03 15:04:37,700 INFO L158 Benchmark]: TraceAbstraction took 66328.96ms. Allocated memory was 249.6MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 152.4MB in the beginning and 6.4GB in the end (delta: -6.3GB). Peak memory consumption was 2.6GB. Max. memory is 8.0GB. [2022-10-03 15:04:37,700 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 0.48ms. Allocated memory is still 177.2MB. Free memory is still 133.0MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 132.15ms. Allocated memory is still 177.2MB. Free memory was 126.8MB in the beginning and 120.1MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1370.95ms. Allocated memory was 177.2MB in the beginning and 249.6MB in the end (delta: 72.4MB). Free memory was 120.1MB in the beginning and 152.9MB in the end (delta: -32.8MB). Peak memory consumption was 46.1MB. Max. memory is 8.0GB. * TraceAbstraction took 66328.96ms. Allocated memory was 249.6MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 152.4MB in the beginning and 6.4GB in the end (delta: -6.3GB). Peak memory consumption was 2.6GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.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] , IndependenceRelationWithAbstraction.Statistics on underlying relation: 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: 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: 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] , 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, Independence queries for same thread: 0, Statistics for Abstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.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] , IndependenceRelationWithAbstraction.Statistics on underlying relation: 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: 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: 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] , 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, Independence queries for same thread: 2, Statistics for Abstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 81603, positive: 79021, positive conditional: 79021, positive unconditional: 0, negative: 2582, negative conditional: 2582, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1838958, positive: 1780934, positive conditional: 1780934, positive unconditional: 0, negative: 58024, negative conditional: 58024, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1788208, positive: 1780934, positive conditional: 0, positive unconditional: 1780934, negative: 7274, negative conditional: 0, negative unconditional: 7274, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 156972, positive: 156170, positive conditional: 0, positive unconditional: 156170, negative: 802, negative conditional: 0, negative unconditional: 802, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1788208, positive: 1624764, positive conditional: 0, positive unconditional: 1624764, negative: 6472, negative conditional: 0, negative unconditional: 6472, unknown: 156972, unknown conditional: 0, unknown unconditional: 156972] , Statistics on independence cache: Total cache size (in pairs): 77608, Positive cache size: 77536, Positive conditional cache size: 0, Positive unconditional cache size: 77536, Negative cache size: 72, Negative conditional cache size: 0, Negative unconditional cache size: 72, Independence queries for same thread: 2510, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 81650, positive: 79093, positive conditional: 79093, positive unconditional: 0, negative: 2557, negative conditional: 2557, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1838958, positive: 1780934, positive conditional: 1780934, positive unconditional: 0, negative: 58024, negative conditional: 58024, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1788208, positive: 1780934, positive conditional: 0, positive unconditional: 1780934, negative: 7274, negative conditional: 0, negative unconditional: 7274, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 156972, positive: 156170, positive conditional: 0, positive unconditional: 156170, negative: 802, negative conditional: 0, negative unconditional: 802, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1788208, positive: 1624764, positive conditional: 0, positive unconditional: 1624764, negative: 6472, negative conditional: 0, negative unconditional: 6472, unknown: 156972, unknown conditional: 0, unknown unconditional: 156972] , Statistics on independence cache: Total cache size (in pairs): 77682, Positive cache size: 77610, Positive conditional cache size: 0, Positive unconditional cache size: 77610, Negative cache size: 72, Negative conditional cache size: 0, Negative unconditional cache size: 72, Independence queries for same thread: 4995, Statistics for Abstraction: - StatisticsResult: Independence relation #3 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 119666, positive: 115824, positive conditional: 115824, positive unconditional: 0, negative: 3842, negative conditional: 3842, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1838958, positive: 1780934, positive conditional: 1780934, positive unconditional: 0, negative: 58024, negative conditional: 58024, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1788208, positive: 1780934, positive conditional: 0, positive unconditional: 1780934, negative: 7274, negative conditional: 0, negative unconditional: 7274, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 156972, positive: 156170, positive conditional: 0, positive unconditional: 156170, negative: 802, negative conditional: 0, negative unconditional: 802, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1788208, positive: 1624764, positive conditional: 0, positive unconditional: 1624764, negative: 6472, negative conditional: 0, negative unconditional: 6472, unknown: 156972, unknown conditional: 0, unknown unconditional: 156972] , Statistics on independence cache: Total cache size (in pairs): 95608, Positive cache size: 94985, Positive conditional cache size: 0, Positive unconditional cache size: 94985, Negative cache size: 623, Negative conditional cache size: 0, Negative unconditional cache size: 623, Independence queries for same thread: 8146, Statistics for Abstraction: - StatisticsResult: Independence relation #4 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 1556039, positive: 1506996, positive conditional: 1506996, positive unconditional: 0, negative: 49043, negative conditional: 49043, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1838958, positive: 1780934, positive conditional: 1780934, positive unconditional: 0, negative: 58024, negative conditional: 58024, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1788208, positive: 1780934, positive conditional: 0, positive unconditional: 1780934, negative: 7274, negative conditional: 0, negative unconditional: 7274, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 156972, positive: 156170, positive conditional: 0, positive unconditional: 156170, negative: 802, negative conditional: 0, negative unconditional: 802, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1788208, positive: 1624764, positive conditional: 0, positive unconditional: 1624764, negative: 6472, negative conditional: 0, negative unconditional: 6472, unknown: 156972, unknown conditional: 0, unknown unconditional: 156972] , Statistics on independence cache: Total cache size (in pairs): 156972, Positive cache size: 156170, Positive conditional cache size: 0, Positive unconditional cache size: 156170, Negative cache size: 802, Negative conditional cache size: 0, Negative unconditional cache size: 802, Independence queries for same thread: 50750, Statistics for Abstraction: - PositiveResult [Line: 381]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: pusherErr0ASSERT_VIOLATIONASSERT with 1 thread instances CFG has 3 procedures, 1465 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, 1465 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 65.9s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 50.8s, 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: 30, 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: 0.6s SsaConstructionTime, 2.5s SatisfiabilityAnalysisTime, 10.7s InterpolantComputationTime, 11742 NumberOfCodeBlocks, 11742 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 12956 ConstructedInterpolants, 0 QuantifiedInterpolants, 35763 SizeOfPredicates, 22 NumberOfNonLiveVariables, 12132 ConjunctsInSsa, 47 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 49750/52314 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, 1465 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-10-03 15:04:37,724 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Ended with exit code 0 [2022-10-03 15:04:37,924 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Ended with exit code 0 [2022-10-03 15:04:38,122 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-10-03 15:04:38,328 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...