/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 [2022-09-29 21:37:00,827 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-29 21:37:00,828 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-29 21:37:00,867 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-29 21:37:00,867 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-29 21:37:00,868 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-29 21:37:00,869 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-29 21:37:00,870 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-29 21:37:00,871 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-29 21:37:00,872 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-29 21:37:00,872 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-29 21:37:00,873 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-29 21:37:00,873 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-29 21:37:00,874 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-29 21:37:00,875 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-29 21:37:00,876 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-29 21:37:00,876 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-29 21:37:00,877 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-29 21:37:00,878 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-29 21:37:00,884 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-29 21:37:00,886 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-29 21:37:00,900 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-29 21:37:00,901 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-29 21:37:00,901 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-29 21:37:00,904 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-29 21:37:00,908 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-29 21:37:00,909 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-29 21:37:00,909 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-29 21:37:00,910 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf [2022-09-29 21:37:00,927 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-29 21:37:00,927 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-29 21:37:00,927 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-29 21:37:00,927 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-29 21:37:00,928 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-29 21:37:00,928 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-29 21:37:00,928 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-29 21:37:00,928 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-29 21:37:00,928 INFO L138 SettingsManager]: * Use SBE=true [2022-09-29 21:37:00,928 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-29 21:37:00,928 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-29 21:37:00,928 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-29 21:37:00,928 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-29 21:37:00,929 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-29 21:37:00,929 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-29 21:37:00,929 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-29 21:37:00,929 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-29 21:37:00,929 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-29 21:37:00,929 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-29 21:37:00,929 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-29 21:37:00,929 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-29 21:37:00,929 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-29 21:37:00,929 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-29 21:37:00,929 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-29 21:37:00,929 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-29 21:37:00,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-29 21:37:00,930 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-29 21:37:00,930 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-29 21:37:00,930 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-29 21:37:00,930 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-29 21:37:00,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-29 21:37:00,930 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-29 21:37:00,930 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-09-29 21:37:00,930 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-09-29 21:37:00,930 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-29 21:37:00,930 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-09-29 21:37:00,930 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-09-29 21:37:00,931 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-09-29 21:37:00,931 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-29 21:37:01,162 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-29 21:37:01,180 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-29 21:37:01,181 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-29 21:37:01,182 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-09-29 21:37:01,183 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-09-29 21:37:01,183 INFO L432 ainManager$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 [2022-09-29 21:37:01,183 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/divinefifo-bug_1w1r.line1215.bpl' [2022-09-29 21:37:01,253 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-29 21:37:01,254 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2022-09-29 21:37:01,255 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-29 21:37:01,255 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-29 21:37:01,256 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-29 21:37:01,266 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 29.09 09:37:01" (1/1) ... [2022-09-29 21:37:01,267 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 29.09 09:37:01" (1/1) ... [2022-09-29 21:37:01,303 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 29.09 09:37:01" (1/1) ... [2022-09-29 21:37:01,303 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 29.09 09:37:01" (1/1) ... [2022-09-29 21:37:01,334 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 29.09 09:37:01" (1/1) ... [2022-09-29 21:37:01,338 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 29.09 09:37:01" (1/1) ... [2022-09-29 21:37:01,354 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 29.09 09:37:01" (1/1) ... [2022-09-29 21:37:01,363 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-29 21:37:01,376 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-29 21:37:01,376 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-29 21:37:01,377 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-29 21:37:01,389 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "divinefifo-bug_1w1r.line1215.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 09:37:01" (1/1) ... [2022-09-29 21:37:01,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-29 21:37:01,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 21:37:01,432 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) [2022-09-29 21:37:01,442 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 [2022-09-29 21:37:01,467 INFO L130 BoogieDeclarations]: Found specification of procedure pusher [2022-09-29 21:37:01,467 INFO L138 BoogieDeclarations]: Found implementation of procedure pusher [2022-09-29 21:37:01,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-29 21:37:01,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-29 21:37:01,468 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-09-29 21:37:01,677 INFO L234 CfgBuilder]: Building ICFG [2022-09-29 21:37:01,679 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-29 21:37:02,372 INFO L275 CfgBuilder]: Performing block encoding [2022-09-29 21:37:02,396 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-29 21:37:02,396 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-09-29 21:37:02,399 INFO L202 PluginConnector]: Adding new model divinefifo-bug_1w1r.line1215.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 09:37:02 BoogieIcfgContainer [2022-09-29 21:37:02,399 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-29 21:37:02,402 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-29 21:37:02,402 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-29 21:37:02,405 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-29 21:37:02,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo-bug_1w1r.line1215.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 09:37:01" (1/2) ... [2022-09-29 21:37:02,406 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28ef12f6 and model type divinefifo-bug_1w1r.line1215.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.09 09:37:02, skipping insertion in model container [2022-09-29 21:37:02,407 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 29.09 09:37:02" (2/2) ... [2022-09-29 21:37:02,411 INFO L112 eAbstractionObserver]: Analyzing ICFG divinefifo-bug_1w1r.line1215.bpl [2022-09-29 21:37:02,417 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-29 21:37:02,425 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-29 21:37:02,426 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-09-29 21:37:02,426 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-29 21:37:02,560 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-09-29 21:37:02,614 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-09-29 21:37:02,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-29 21:37:02,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 21:37:02,617 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) [2022-09-29 21:37:02,618 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 [2022-09-29 21:37:02,643 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-29 21:37:02,648 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ======== [2022-09-29 21:37:02,652 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;@62896895, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-29 21:37:02,652 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-09-29 21:37:02,938 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 21:37:02,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 21:37:02,942 INFO L85 PathProgramCache]: Analyzing trace with hash 1937951949, now seen corresponding path program 1 times [2022-09-29 21:37:02,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 21:37:02,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178231405] [2022-09-29 21:37:02,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 21:37:02,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 21:37:03,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 21:37:03,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 21:37:03,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 21:37:03,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178231405] [2022-09-29 21:37:03,412 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178231405] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-29 21:37:03,412 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-29 21:37:03,412 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-29 21:37:03,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293700974] [2022-09-29 21:37:03,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-29 21:37:03,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-09-29 21:37:03,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 21:37:03,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-09-29 21:37:03,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-09-29 21:37:03,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:37:03,440 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 21:37:03,441 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) [2022-09-29 21:37:03,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:37:03,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:37:03,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-29 21:37:03,601 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 21:37:03,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 21:37:03,601 INFO L85 PathProgramCache]: Analyzing trace with hash -1190091638, now seen corresponding path program 1 times [2022-09-29 21:37:03,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 21:37:03,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201432711] [2022-09-29 21:37:03,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 21:37:03,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 21:37:03,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 21:37:07,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 21:37:07,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 21:37:07,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201432711] [2022-09-29 21:37:07,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201432711] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-29 21:37:07,158 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-29 21:37:07,158 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [67] imperfect sequences [] total 67 [2022-09-29 21:37:07,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378673924] [2022-09-29 21:37:07,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-29 21:37:07,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2022-09-29 21:37:07,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 21:37:07,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2022-09-29 21:37:07,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=204, Invalid=4218, Unknown=0, NotChecked=0, Total=4422 [2022-09-29 21:37:07,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:37:07,167 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 21:37:07,168 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) [2022-09-29 21:37:07,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:37:07,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:37:22,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:37:22,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2022-09-29 21:37:22,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-29 21:37:22,072 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 21:37:22,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 21:37:22,073 INFO L85 PathProgramCache]: Analyzing trace with hash 1472975264, now seen corresponding path program 1 times [2022-09-29 21:37:22,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 21:37:22,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729004933] [2022-09-29 21:37:22,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 21:37:22,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 21:37:22,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 21:37:25,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 21:37:25,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 21:37:25,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729004933] [2022-09-29 21:37:25,100 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729004933] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-29 21:37:25,100 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-29 21:37:25,100 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [71] imperfect sequences [] total 71 [2022-09-29 21:37:25,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367114024] [2022-09-29 21:37:25,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-29 21:37:25,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2022-09-29 21:37:25,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 21:37:25,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2022-09-29 21:37:25,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=236, Invalid=4876, Unknown=0, NotChecked=0, Total=5112 [2022-09-29 21:37:25,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:37:25,104 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 21:37:25,104 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) [2022-09-29 21:37:25,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:37:25,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2022-09-29 21:37:25,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:37:50,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:37:50,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2022-09-29 21:37:50,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2022-09-29 21:37:50,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-29 21:37:50,210 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 21:37:50,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 21:37:50,212 INFO L85 PathProgramCache]: Analyzing trace with hash -1473263947, now seen corresponding path program 1 times [2022-09-29 21:37:50,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 21:37:50,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138516302] [2022-09-29 21:37:50,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 21:37:50,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 21:37:52,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 21:38:00,143 INFO L134 CoverageAnalysis]: Checked inductivity of 27508 backedges. 7968 proven. 12736 refuted. 0 times theorem prover too weak. 6804 trivial. 0 not checked. [2022-09-29 21:38:00,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 21:38:00,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138516302] [2022-09-29 21:38:00,144 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138516302] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-29 21:38:00,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1279307865] [2022-09-29 21:38:00,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 21:38:00,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 21:38:00,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 21:38:00,146 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) [2022-09-29 21:38:00,155 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-09-29 21:38:02,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 21:38:02,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 13211 conjuncts, 225 conjunts are in the unsatisfiable core [2022-09-29 21:38:02,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 21:38:35,116 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 [2022-09-29 21:38:35,126 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 [2022-09-29 21:38:40,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 21:38:40,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 21:38:40,794 INFO L173 IndexEqualityManager]: detected equality via solver [2022-09-29 21:38:40,795 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 [2022-09-29 21:38:40,801 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 [2022-09-29 21:38:40,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 21:38:40,805 INFO L173 IndexEqualityManager]: detected equality via solver [2022-09-29 21:38:40,807 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 [2022-09-29 21:38:40,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 21:38:40,815 INFO L173 IndexEqualityManager]: detected equality via solver [2022-09-29 21:38:40,818 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 [2022-09-29 21:38:40,985 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-09-29 21:38:40,985 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 [2022-09-29 21:38:41,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 21:38:41,003 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 [2022-09-29 21:38:41,327 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 [2022-09-29 21:38:42,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 21:38:42,225 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 [2022-09-29 21:38:42,420 INFO L134 CoverageAnalysis]: Checked inductivity of 27508 backedges. 8710 proven. 16129 refuted. 0 times theorem prover too weak. 2669 trivial. 0 not checked. [2022-09-29 21:38:42,421 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-29 21:38:43,125 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 [2022-09-29 21:39:18,714 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-29 21:39:18,714 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 [2022-09-29 21:39:18,732 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-29 21:39:18,732 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 [2022-09-29 21:39:26,957 INFO L356 Elim1Store]: treesize reduction 51, result has 65.1 percent of original size [2022-09-29 21:39:26,958 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 [2022-09-29 21:39:28,863 INFO L356 Elim1Store]: treesize reduction 616, result has 56.4 percent of original size [2022-09-29 21:39:28,864 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 [2022-09-29 21:39:29,582 INFO L356 Elim1Store]: treesize reduction 24, result has 61.3 percent of original size [2022-09-29 21:39:29,583 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 [2022-09-29 21:39:29,987 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... [2022-09-29 21:51:24,697 WARN L249 SmtUtils]: Removed 2 from assertion stack [2022-09-29 21:51:24,707 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 [2022-09-29 21:51:24,715 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-09-29 21:51:24,716 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 [2022-09-29 21:51:24,716 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 [2022-09-29 21:51:24,755 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-09-29 21:51:24,931 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 [2022-09-29 21:51:24,932 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 3 for 77ms.. [2022-09-29 21:51:24,935 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-09-29 21:51:24,936 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT was TIMEOUT (1/2) [2022-09-29 21:51:24,937 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-29 21:51:24,937 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-29 21:51:24,939 INFO L202 PluginConnector]: Adding new model divinefifo-bug_1w1r.line1215.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.09 09:51:24 BasicIcfg [2022-09-29 21:51:24,939 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-29 21:51:24,939 INFO L158 Benchmark]: Toolchain (without parser) took 863684.91ms. Allocated memory was 174.1MB in the beginning and 4.6GB in the end (delta: 4.4GB). Free memory was 122.1MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 4.0GB. Max. memory is 8.0GB. [2022-09-29 21:51:24,939 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.10ms. Allocated memory is still 174.1MB. Free memory was 128.3MB in the beginning and 128.2MB in the end (delta: 143.5kB). There was no memory consumed. Max. memory is 8.0GB. [2022-09-29 21:51:24,940 INFO L158 Benchmark]: Boogie Preprocessor took 107.60ms. Allocated memory is still 174.1MB. Free memory was 122.1MB in the beginning and 115.1MB in the end (delta: 6.9MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2022-09-29 21:51:24,940 INFO L158 Benchmark]: RCFGBuilder took 1023.36ms. Allocated memory was 174.1MB in the beginning and 283.1MB in the end (delta: 109.1MB). Free memory was 115.0MB in the beginning and 183.5MB in the end (delta: -68.5MB). Peak memory consumption was 46.9MB. Max. memory is 8.0GB. [2022-09-29 21:51:24,940 INFO L158 Benchmark]: TraceAbstraction took 862536.78ms. Allocated memory was 283.1MB in the beginning and 4.6GB in the end (delta: 4.3GB). Free memory was 183.0MB in the beginning and 1.9GB in the end (delta: -1.7GB). Peak memory consumption was 4.0GB. Max. memory is 8.0GB. [2022-09-29 21:51:24,942 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 0.10ms. Allocated memory is still 174.1MB. Free memory was 128.3MB in the beginning and 128.2MB in the end (delta: 143.5kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 107.60ms. Allocated memory is still 174.1MB. Free memory was 122.1MB in the beginning and 115.1MB in the end (delta: 6.9MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1023.36ms. Allocated memory was 174.1MB in the beginning and 283.1MB in the end (delta: 109.1MB). Free memory was 115.0MB in the beginning and 183.5MB in the end (delta: -68.5MB). Peak memory consumption was 46.9MB. Max. memory is 8.0GB. * TraceAbstraction took 862536.78ms. Allocated memory was 283.1MB in the beginning and 4.6GB in the end (delta: 4.3GB). Free memory was 183.0MB in the beginning and 1.9GB in the end (delta: -1.7GB). Peak memory consumption was 4.0GB. 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 3 for 77ms.. - 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: 862.3s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 40.5s, 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, 6.5s 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