/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.line1215.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-5c708e3-m [2022-10-03 14:27:03,808 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-03 14:27:03,809 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-03 14:27:03,834 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-03 14:27:03,835 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-03 14:27:03,835 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-03 14:27:03,836 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-03 14:27:03,837 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-03 14:27:03,839 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-03 14:27:03,839 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-03 14:27:03,840 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-03 14:27:03,841 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-03 14:27:03,841 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-03 14:27:03,841 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-03 14:27:03,842 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-03 14:27:03,843 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-03 14:27:03,844 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-03 14:27:03,844 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-03 14:27:03,845 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-03 14:27:03,847 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-03 14:27:03,847 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-03 14:27:03,849 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-03 14:27:03,850 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-03 14:27:03,850 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-03 14:27:03,853 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-03 14:27:03,859 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-03 14:27:03,859 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-03 14:27:03,860 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-03 14:27:03,863 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf [2022-10-03 14:27:03,887 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-03 14:27:03,887 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-03 14:27:03,888 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-03 14:27:03,888 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-03 14:27:03,889 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-03 14:27:03,889 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-03 14:27:03,889 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-03 14:27:03,889 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-03 14:27:03,889 INFO L138 SettingsManager]: * Use SBE=true [2022-10-03 14:27:03,890 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-03 14:27:03,890 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-03 14:27:03,890 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-03 14:27:03,890 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-03 14:27:03,890 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-03 14:27:03,890 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-03 14:27:03,890 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-03 14:27:03,891 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-03 14:27:03,891 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-03 14:27:03,891 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-03 14:27:03,891 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-03 14:27:03,891 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-03 14:27:03,891 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-03 14:27:03,891 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-03 14:27:03,892 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-03 14:27:03,892 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-03 14:27:03,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-03 14:27:03,892 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-03 14:27:03,892 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-03 14:27:03,892 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-03 14:27:03,892 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-03 14:27:03,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-03 14:27:03,893 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-03 14:27:03,893 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-10-03 14:27:03,893 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-03 14:27:03,893 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-03 14:27:03,893 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-10-03 14:27:03,893 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-03 14:27:03,893 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-03 14:27:03,893 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-03 14:27:04,057 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-03 14:27:04,074 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-03 14:27:04,079 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-03 14:27:04,079 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-03 14:27:04,083 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-03 14:27:04,084 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/divinefifo-bug_1w1r.line1215.bpl [2022-10-03 14:27:04,084 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/divinefifo-bug_1w1r.line1215.bpl' [2022-10-03 14:27:04,143 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-03 14:27:04,144 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2022-10-03 14:27:04,145 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-03 14:27:04,146 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-03 14:27:04,146 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-03 14:27:04,161 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1215.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 02:27:04" (1/1) ... [2022-10-03 14:27:04,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1215.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 02:27:04" (1/1) ... [2022-10-03 14:27:04,184 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1215.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 02:27:04" (1/1) ... [2022-10-03 14:27:04,184 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1215.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 02:27:04" (1/1) ... [2022-10-03 14:27:04,234 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1215.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 02:27:04" (1/1) ... [2022-10-03 14:27:04,238 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1215.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 02:27:04" (1/1) ... [2022-10-03 14:27:04,260 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1215.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 02:27:04" (1/1) ... [2022-10-03 14:27:04,268 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-03 14:27:04,277 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-03 14:27:04,277 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-03 14:27:04,277 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-03 14:27:04,299 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "divinefifo-bug_1w1r.line1215.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 02:27:04" (1/1) ... [2022-10-03 14:27:04,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-03 14:27:04,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 14:27:04,348 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 14:27:04,368 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 14:27:04,378 INFO L130 BoogieDeclarations]: Found specification of procedure pusher [2022-10-03 14:27:04,378 INFO L138 BoogieDeclarations]: Found implementation of procedure pusher [2022-10-03 14:27:04,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-03 14:27:04,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-03 14:27:04,380 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 14:27:04,522 INFO L234 CfgBuilder]: Building ICFG [2022-10-03 14:27:04,523 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-03 14:27:05,391 INFO L275 CfgBuilder]: Performing block encoding [2022-10-03 14:27:05,416 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-03 14:27:05,416 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-03 14:27:05,418 INFO L202 PluginConnector]: Adding new model divinefifo-bug_1w1r.line1215.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:27:05 BoogieIcfgContainer [2022-10-03 14:27:05,418 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-03 14:27:05,420 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-03 14:27:05,420 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-03 14:27:05,425 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-03 14:27:05,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo-bug_1w1r.line1215.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 02:27:04" (1/2) ... [2022-10-03 14:27:05,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@292093f2 and model type divinefifo-bug_1w1r.line1215.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:27:05, skipping insertion in model container [2022-10-03 14:27:05,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo-bug_1w1r.line1215.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:27:05" (2/2) ... [2022-10-03 14:27:05,427 INFO L112 eAbstractionObserver]: Analyzing ICFG divinefifo-bug_1w1r.line1215.bpl [2022-10-03 14:27:05,431 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-03 14:27:05,437 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-03 14:27:05,437 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-03 14:27:05,437 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-03 14:27:05,578 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-10-03 14:27:05,646 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-03 14:27:05,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-03 14:27:05,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 14:27:05,652 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 14:27:05,668 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 14:27:05,693 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-03 14:27:05,700 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ======== [2022-10-03 14:27:05,710 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;@12a9376b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-03 14:27:05,711 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-03 14:27:06,016 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 14:27:06,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 14:27:06,021 INFO L85 PathProgramCache]: Analyzing trace with hash 1937951949, now seen corresponding path program 1 times [2022-10-03 14:27:06,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 14:27:06,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511132804] [2022-10-03 14:27:06,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 14:27:06,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 14:27:06,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 14:27:06,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 14:27:06,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 14:27:06,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511132804] [2022-10-03 14:27:06,446 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511132804] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 14:27:06,447 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-03 14:27:06,447 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-03 14:27:06,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345627895] [2022-10-03 14:27:06,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 14:27:06,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-03 14:27:06,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 14:27:06,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-03 14:27:06,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-03 14:27:06,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:27:06,474 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 14:27:06,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 216.5) internal successors, (433), 2 states have internal predecessors, (433), 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 14:27:06,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:27:06,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:27:06,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-03 14:27:06,678 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 14:27:06,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 14:27:06,681 INFO L85 PathProgramCache]: Analyzing trace with hash -1190091638, now seen corresponding path program 1 times [2022-10-03 14:27:06,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 14:27:06,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575389218] [2022-10-03 14:27:06,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 14:27:06,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 14:27:06,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 14:27:09,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 14:27:09,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 14:27:09,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575389218] [2022-10-03 14:27:09,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575389218] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 14:27:09,967 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-03 14:27:09,967 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [67] imperfect sequences [] total 67 [2022-10-03 14:27:09,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660329176] [2022-10-03 14:27:09,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 14:27:09,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2022-10-03 14:27:09,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 14:27:09,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2022-10-03 14:27:09,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=204, Invalid=4218, Unknown=0, NotChecked=0, Total=4422 [2022-10-03 14:27:09,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:27:09,973 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 14:27:09,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 7.462686567164179) internal successors, (500), 67 states have internal predecessors, (500), 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 14:27:09,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:27:09,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:27:24,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:27:24,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2022-10-03 14:27:24,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-03 14:27:24,908 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 14:27:24,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 14:27:24,908 INFO L85 PathProgramCache]: Analyzing trace with hash 1472975264, now seen corresponding path program 1 times [2022-10-03 14:27:24,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 14:27:24,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126692893] [2022-10-03 14:27:24,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 14:27:24,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 14:27:24,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 14:27:28,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 14:27:28,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 14:27:28,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126692893] [2022-10-03 14:27:28,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126692893] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 14:27:28,114 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-03 14:27:28,114 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [71] imperfect sequences [] total 71 [2022-10-03 14:27:28,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921395773] [2022-10-03 14:27:28,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 14:27:28,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2022-10-03 14:27:28,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 14:27:28,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2022-10-03 14:27:28,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=236, Invalid=4876, Unknown=0, NotChecked=0, Total=5112 [2022-10-03 14:27:28,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:27:28,119 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 14:27:28,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 72 states, 71 states have (on average 6.23943661971831) internal successors, (443), 72 states have internal predecessors, (443), 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 14:27:28,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:27:28,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2022-10-03 14:27:28,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:27:55,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:27:55,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2022-10-03 14:27:55,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2022-10-03 14:27:55,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-03 14:27:55,861 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 14:27:55,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 14:27:55,862 INFO L85 PathProgramCache]: Analyzing trace with hash -1473263947, now seen corresponding path program 1 times [2022-10-03 14:27:55,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 14:27:55,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022851190] [2022-10-03 14:27:55,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 14:27:55,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 14:27:57,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 14:28:05,799 INFO L134 CoverageAnalysis]: Checked inductivity of 27508 backedges. 7968 proven. 12736 refuted. 0 times theorem prover too weak. 6804 trivial. 0 not checked. [2022-10-03 14:28:05,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 14:28:05,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022851190] [2022-10-03 14:28:05,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022851190] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-03 14:28:05,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [454810270] [2022-10-03 14:28:05,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 14:28:05,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-03 14:28:05,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 14:28:05,805 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-03 14:28:05,806 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-03 14:28:07,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 14:28:07,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 13211 conjuncts, 225 conjunts are in the unsatisfiable core [2022-10-03 14:28:07,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-03 14:28:38,585 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-10-03 14:28:38,602 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-10-03 14:28:43,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 14:28:43,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 14:28:43,679 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-03 14:28:43,680 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 67 [2022-10-03 14:28:43,700 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 58 [2022-10-03 14:28:43,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 14:28:43,704 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-03 14:28:43,706 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 43 [2022-10-03 14:28:43,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 14:28:43,716 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-03 14:28:43,719 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-10-03 14:28:43,911 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-10-03 14:28:43,911 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 92 treesize of output 83 [2022-10-03 14:28:43,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 14:28:43,917 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 48 [2022-10-03 14:28:44,251 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 29 [2022-10-03 14:28:45,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 14:28:45,131 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 24 [2022-10-03 14:28:45,301 INFO L134 CoverageAnalysis]: Checked inductivity of 27508 backedges. 8710 proven. 16129 refuted. 0 times theorem prover too weak. 2669 trivial. 0 not checked. [2022-10-03 14:28:45,301 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-03 14:28:45,980 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_970 Int) (v_ArrVal_969 (Array Int Int))) (or (let ((.cse1 (store |c_ULTIMATE.start_write~$Pointer$_old_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_write~$Pointer$_#ptr#1.base| (store (select |c_ULTIMATE.start_write~$Pointer$_old_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_write~$Pointer$_#ptr#1.base|) |c_ULTIMATE.start_write~$Pointer$_#ptr#1.offset| v_ArrVal_970)))) (let ((.cse0 (select (select .cse1 |c_ULTIMATE.start_fifo_pop_~self#1.base|) |c_ULTIMATE.start_fifo_pop_~self#1.offset|))) (< (+ .cse0 12) (select (select .cse1 (select (select (store |c_ULTIMATE.start_write~$Pointer$_old_#memory_$Pointer$#1.base| |c_ULTIMATE.start_write~$Pointer$_#ptr#1.base| v_ArrVal_969) |c_ULTIMATE.start_fifo_pop_~self#1.base|) |c_ULTIMATE.start_fifo_pop_~self#1.offset|)) .cse0)))) (not (<= |c_ULTIMATE.start_write~$Pointer$_#value#1.offset| v_ArrVal_970)))) is different from false [2022-10-03 14:29:23,561 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-03 14:29:23,562 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 16 [2022-10-03 14:29:23,583 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-03 14:29:23,584 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 16 [2022-10-03 14:29:32,846 INFO L356 Elim1Store]: treesize reduction 51, result has 65.1 percent of original size [2022-10-03 14:29:32,847 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 572 treesize of output 590 [2022-10-03 14:29:34,761 INFO L356 Elim1Store]: treesize reduction 616, result has 56.4 percent of original size [2022-10-03 14:29:34,762 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 14 select indices, 14 select index equivalence classes, 1 disjoint index pairs (out of 91 index pairs), introduced 16 new quantified variables, introduced 90 case distinctions, treesize of input 7865 treesize of output 7458 [2022-10-03 14:29:35,424 INFO L356 Elim1Store]: treesize reduction 24, result has 61.3 percent of original size [2022-10-03 14:29:35,425 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 7399 treesize of output 7192 [2022-10-03 14:29:35,969 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7078 treesize of output 6966 Received shutdown request... [2022-10-03 14:41:24,687 WARN L249 SmtUtils]: Removed 2 from assertion stack [2022-10-03 14:41:24,688 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 [2022-10-03 14:41:24,689 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 [2022-10-03 14:41:24,692 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-10-03 14:41:24,699 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-10-03 14:41:24,735 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-10-03 14:41:24,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-10-03 14:41:24,895 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 5301 with TraceHistMax 14,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 98ms.. [2022-10-03 14:41:24,908 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-10-03 14:41:24,920 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT was TIMEOUT (1/2) [2022-10-03 14:41:24,922 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-10-03 14:41:24,922 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-03 14:41:24,942 INFO L202 PluginConnector]: Adding new model divinefifo-bug_1w1r.line1215.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 02:41:24 BasicIcfg [2022-10-03 14:41:24,942 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-03 14:41:24,943 INFO L158 Benchmark]: Toolchain (without parser) took 860798.31ms. Allocated memory was 205.5MB in the beginning and 5.5GB in the end (delta: 5.3GB). Free memory was 157.8MB in the beginning and 2.6GB in the end (delta: -2.5GB). Peak memory consumption was 4.6GB. Max. memory is 8.0GB. [2022-10-03 14:41:24,943 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.15ms. Allocated memory is still 205.5MB. Free memory is still 164.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-03 14:41:24,943 INFO L158 Benchmark]: Boogie Preprocessor took 130.54ms. Allocated memory is still 205.5MB. Free memory was 157.7MB in the beginning and 178.4MB in the end (delta: -20.7MB). Peak memory consumption was 13.2MB. Max. memory is 8.0GB. [2022-10-03 14:41:24,944 INFO L158 Benchmark]: RCFGBuilder took 1141.32ms. Allocated memory is still 205.5MB. Free memory was 178.4MB in the beginning and 145.5MB in the end (delta: 32.8MB). Peak memory consumption was 52.2MB. Max. memory is 8.0GB. [2022-10-03 14:41:24,944 INFO L158 Benchmark]: TraceAbstraction took 859521.61ms. Allocated memory was 205.5MB in the beginning and 5.5GB in the end (delta: 5.3GB). Free memory was 145.0MB in the beginning and 2.6GB in the end (delta: -2.5GB). Peak memory consumption was 4.6GB. Max. memory is 8.0GB. [2022-10-03 14:41:24,945 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 0.15ms. Allocated memory is still 205.5MB. Free memory is still 164.0MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 130.54ms. Allocated memory is still 205.5MB. Free memory was 157.7MB in the beginning and 178.4MB in the end (delta: -20.7MB). Peak memory consumption was 13.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1141.32ms. Allocated memory is still 205.5MB. Free memory was 178.4MB in the beginning and 145.5MB in the end (delta: 32.8MB). Peak memory consumption was 52.2MB. Max. memory is 8.0GB. * TraceAbstraction took 859521.61ms. Allocated memory was 205.5MB in the beginning and 5.5GB in the end (delta: 5.3GB). Free memory was 145.0MB in the beginning and 2.6GB in the end (delta: -2.5GB). Peak memory consumption was 4.6GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 219, positive: 208, positive conditional: 208, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 54940, positive: 53255, positive conditional: 53255, positive unconditional: 0, negative: 1685, negative conditional: 1685, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 53375, positive: 53255, positive conditional: 0, positive unconditional: 53255, negative: 120, negative conditional: 0, negative unconditional: 120, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 46100, positive: 45981, positive conditional: 0, positive unconditional: 45981, negative: 119, negative conditional: 0, negative unconditional: 119, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 53375, positive: 7274, positive conditional: 0, positive unconditional: 7274, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 46100, unknown conditional: 0, unknown unconditional: 46100] , Statistics on independence cache: Total cache size (in pairs): 208, Positive cache size: 208, Positive conditional cache size: 0, Positive unconditional cache size: 208, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 11, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 849, positive: 822, positive conditional: 822, positive unconditional: 0, negative: 27, negative conditional: 27, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 54940, positive: 53255, positive conditional: 53255, positive unconditional: 0, negative: 1685, negative conditional: 1685, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 53375, positive: 53255, positive conditional: 0, positive unconditional: 53255, negative: 120, negative conditional: 0, negative unconditional: 120, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 46100, positive: 45981, positive conditional: 0, positive unconditional: 45981, negative: 119, negative conditional: 0, negative unconditional: 119, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 53375, positive: 7274, positive conditional: 0, positive unconditional: 7274, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 46100, unknown conditional: 0, unknown unconditional: 46100] , Statistics on independence cache: Total cache size (in pairs): 822, Positive cache size: 822, Positive conditional cache size: 0, Positive unconditional cache size: 822, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 38, Statistics for Abstraction: - StatisticsResult: Independence relation #3 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 1100, positive: 1061, positive conditional: 1061, positive unconditional: 0, negative: 39, negative conditional: 39, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 54940, positive: 53255, positive conditional: 53255, positive unconditional: 0, negative: 1685, negative conditional: 1685, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 53375, positive: 53255, positive conditional: 0, positive unconditional: 53255, negative: 120, negative conditional: 0, negative unconditional: 120, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 46100, positive: 45981, positive conditional: 0, positive unconditional: 45981, negative: 119, negative conditional: 0, negative unconditional: 119, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 53375, positive: 7274, positive conditional: 0, positive unconditional: 7274, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 46100, unknown conditional: 0, unknown unconditional: 46100] , Statistics on independence cache: Total cache size (in pairs): 1044, Positive cache size: 1044, Positive conditional cache size: 0, Positive unconditional cache size: 1044, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 77, Statistics for Abstraction: - StatisticsResult: Independence relation #4 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 52772, positive: 51164, positive conditional: 51164, positive unconditional: 0, negative: 1608, negative conditional: 1608, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 54940, positive: 53255, positive conditional: 53255, positive unconditional: 0, negative: 1685, negative conditional: 1685, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 53375, positive: 53255, positive conditional: 0, positive unconditional: 53255, negative: 120, negative conditional: 0, negative unconditional: 120, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 46100, positive: 45981, positive conditional: 0, positive unconditional: 45981, negative: 119, negative conditional: 0, negative unconditional: 119, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 53375, positive: 7274, positive conditional: 0, positive unconditional: 7274, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 46100, unknown conditional: 0, unknown unconditional: 46100] , Statistics on independence cache: Total cache size (in pairs): 46100, Positive cache size: 45981, Positive conditional cache size: 0, Positive unconditional cache size: 45981, Negative cache size: 119, Negative conditional cache size: 0, Negative unconditional cache size: 119, Independence queries for same thread: 1565, Statistics for Abstraction: - TimeoutResultAtElement [Line: 1215]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 5301 with TraceHistMax 14,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 98ms.. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONASSERT with 1 thread instances CFG has 3 procedures, 1463 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 859.3s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 43.2s, 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: 198, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 6.4s InterpolantComputationTime, 1376 NumberOfCodeBlocks, 1376 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 1373 ConstructedInterpolants, 0 QuantifiedInterpolants, 35126 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown