/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_1w1r.line1526.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-5c708e3-m [2022-09-29 22:45:18,937 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-29 22:45:18,939 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-29 22:45:18,981 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-29 22:45:18,981 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-29 22:45:18,984 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-29 22:45:18,986 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-29 22:45:18,988 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-29 22:45:18,990 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-29 22:45:18,996 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-29 22:45:18,997 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-29 22:45:18,998 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-29 22:45:18,998 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-29 22:45:19,000 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-29 22:45:19,001 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-29 22:45:19,004 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-29 22:45:19,005 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-29 22:45:19,005 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-29 22:45:19,007 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-29 22:45:19,012 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-29 22:45:19,013 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-29 22:45:19,014 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-29 22:45:19,016 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-29 22:45:19,017 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-29 22:45:19,023 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-29 22:45:19,031 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-29 22:45:19,032 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-29 22:45:19,032 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-29 22:45:19,033 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf [2022-09-29 22:45:19,065 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-29 22:45:19,065 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-29 22:45:19,066 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-29 22:45:19,066 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-29 22:45:19,066 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-29 22:45:19,067 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-29 22:45:19,067 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-29 22:45:19,067 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-29 22:45:19,067 INFO L138 SettingsManager]: * Use SBE=true [2022-09-29 22:45:19,067 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-29 22:45:19,068 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-29 22:45:19,068 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-29 22:45:19,068 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-29 22:45:19,068 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-29 22:45:19,069 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-29 22:45:19,069 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-29 22:45:19,069 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-29 22:45:19,069 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-29 22:45:19,069 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-29 22:45:19,069 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-29 22:45:19,069 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-29 22:45:19,069 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-29 22:45:19,069 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-29 22:45:19,070 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-29 22:45:19,071 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-29 22:45:19,071 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-29 22:45:19,071 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-29 22:45:19,071 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-29 22:45:19,071 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-29 22:45:19,071 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-29 22:45:19,071 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-29 22:45:19,071 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-29 22:45:19,072 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-09-29 22:45:19,072 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-09-29 22:45:19,072 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-29 22:45:19,072 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-09-29 22:45:19,072 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-09-29 22:45:19,072 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-09-29 22:45:19,072 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-29 22:45:19,314 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-29 22:45:19,335 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-29 22:45:19,337 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-29 22:45:19,338 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-09-29 22:45:19,338 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-09-29 22:45:19,340 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/divinefifo_1w1r.line1526.bpl [2022-09-29 22:45:19,340 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/divinefifo_1w1r.line1526.bpl' [2022-09-29 22:45:19,422 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-29 22:45:19,423 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2022-09-29 22:45:19,424 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-29 22:45:19,425 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-29 22:45:19,425 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-29 22:45:19,438 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "divinefifo_1w1r.line1526.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:45:19" (1/1) ... [2022-09-29 22:45:19,439 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "divinefifo_1w1r.line1526.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:45:19" (1/1) ... [2022-09-29 22:45:19,471 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "divinefifo_1w1r.line1526.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:45:19" (1/1) ... [2022-09-29 22:45:19,478 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "divinefifo_1w1r.line1526.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:45:19" (1/1) ... [2022-09-29 22:45:19,543 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "divinefifo_1w1r.line1526.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:45:19" (1/1) ... [2022-09-29 22:45:19,548 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "divinefifo_1w1r.line1526.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:45:19" (1/1) ... [2022-09-29 22:45:19,554 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "divinefifo_1w1r.line1526.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:45:19" (1/1) ... [2022-09-29 22:45:19,565 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-29 22:45:19,583 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-29 22:45:19,584 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-29 22:45:19,584 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-29 22:45:19,585 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "divinefifo_1w1r.line1526.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:45:19" (1/1) ... [2022-09-29 22:45:19,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-29 22:45:19,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 22:45:19,645 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 22:45:19,667 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 22:45:19,683 INFO L130 BoogieDeclarations]: Found specification of procedure pusher [2022-09-29 22:45:19,684 INFO L138 BoogieDeclarations]: Found implementation of procedure pusher [2022-09-29 22:45:19,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-29 22:45:19,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-29 22:45:19,685 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 22:45:19,876 INFO L234 CfgBuilder]: Building ICFG [2022-09-29 22:45:19,877 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-29 22:45:20,994 INFO L275 CfgBuilder]: Performing block encoding [2022-09-29 22:45:21,017 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-29 22:45:21,017 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-09-29 22:45:21,021 INFO L202 PluginConnector]: Adding new model divinefifo_1w1r.line1526.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 10:45:21 BoogieIcfgContainer [2022-09-29 22:45:21,021 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-29 22:45:21,023 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-29 22:45:21,023 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-29 22:45:21,028 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-29 22:45:21,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo_1w1r.line1526.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:45:19" (1/2) ... [2022-09-29 22:45:21,029 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1480ceb6 and model type divinefifo_1w1r.line1526.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.09 10:45:21, skipping insertion in model container [2022-09-29 22:45:21,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo_1w1r.line1526.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 10:45:21" (2/2) ... [2022-09-29 22:45:21,034 INFO L112 eAbstractionObserver]: Analyzing ICFG divinefifo_1w1r.line1526.bpl [2022-09-29 22:45:21,040 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-29 22:45:21,046 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-29 22:45:21,047 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-09-29 22:45:21,047 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-29 22:45:21,202 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-09-29 22:45:21,278 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-09-29 22:45:21,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-29 22:45:21,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 22:45:21,284 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 22:45:21,300 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 22:45:21,328 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-29 22:45:21,340 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ======== [2022-09-29 22:45:21,348 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;@692da713, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-29 22:45:21,348 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-09-29 22:45:21,828 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 22:45:21,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 22:45:21,832 INFO L85 PathProgramCache]: Analyzing trace with hash 607659717, now seen corresponding path program 1 times [2022-09-29 22:45:21,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 22:45:21,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255284376] [2022-09-29 22:45:21,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 22:45:21,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 22:45:22,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 22:45:22,433 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 22:45:22,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 22:45:22,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255284376] [2022-09-29 22:45:22,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255284376] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-29 22:45:22,440 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-29 22:45:22,440 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-29 22:45:22,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438762727] [2022-09-29 22:45:22,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-29 22:45:22,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-09-29 22:45:22,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 22:45:22,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-09-29 22:45:22,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-09-29 22:45:22,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:45:22,473 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 22:45:22,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 341.0) internal successors, (682), 2 states have internal predecessors, (682), 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 22:45:22,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:45:22,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:45:22,733 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-29 22:45:22,734 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 22:45:22,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 22:45:22,737 INFO L85 PathProgramCache]: Analyzing trace with hash -2087104356, now seen corresponding path program 1 times [2022-09-29 22:45:22,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 22:45:22,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139747257] [2022-09-29 22:45:22,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 22:45:22,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 22:45:23,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 22:45:23,878 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 22:45:23,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 22:45:23,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139747257] [2022-09-29 22:45:23,879 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139747257] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-29 22:45:23,879 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-29 22:45:23,879 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-09-29 22:45:23,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130717889] [2022-09-29 22:45:23,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-29 22:45:23,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-09-29 22:45:23,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 22:45:23,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-09-29 22:45:23,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2022-09-29 22:45:23,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:45:23,884 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 22:45:23,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 46.6875) internal successors, (747), 17 states have internal predecessors, (747), 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 22:45:23,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:45:23,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:45:26,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:45:26,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-09-29 22:45:26,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-29 22:45:26,114 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 22:45:26,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 22:45:26,115 INFO L85 PathProgramCache]: Analyzing trace with hash -2041967182, now seen corresponding path program 1 times [2022-09-29 22:45:26,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 22:45:26,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498895307] [2022-09-29 22:45:26,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 22:45:26,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 22:45:26,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 22:45:27,007 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 228 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-09-29 22:45:27,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 22:45:27,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498895307] [2022-09-29 22:45:27,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498895307] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-29 22:45:27,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1255220978] [2022-09-29 22:45:27,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 22:45:27,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 22:45:27,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 22:45:27,012 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 22:45:27,013 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 22:45:27,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 22:45:27,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 2674 conjuncts, 312 conjunts are in the unsatisfiable core [2022-09-29 22:45:27,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 22:45:27,948 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 12 treesize of output 9 [2022-09-29 22:45:28,748 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 22:45:30,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 22:45:30,787 INFO L356 Elim1Store]: treesize reduction 8, result has 61.9 percent of original size [2022-09-29 22:45:30,787 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 22 [2022-09-29 22:45:31,274 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 37 treesize of output 33 [2022-09-29 22:45:36,280 INFO L173 IndexEqualityManager]: detected equality via solver [2022-09-29 22:45:36,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 22:45:36,290 INFO L356 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-09-29 22:45:36,291 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 38 [2022-09-29 22:45:39,368 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-09-29 22:45:39,368 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 32 [2022-09-29 22:45:41,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 22:45:41,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 22:45:41,437 INFO L173 IndexEqualityManager]: detected equality via solver [2022-09-29 22:45:41,439 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 28 [2022-09-29 22:45:41,938 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 12 treesize of output 11 [2022-09-29 22:45:43,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 22:45:43,983 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 50 treesize of output 35 [2022-09-29 22:45:45,142 INFO L356 Elim1Store]: treesize reduction 36, result has 37.9 percent of original size [2022-09-29 22:45:45,142 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 23 treesize of output 33 [2022-09-29 22:45:46,745 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 201 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 22:45:46,745 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-29 22:45:51,075 INFO L356 Elim1Store]: treesize reduction 14, result has 22.2 percent of original size [2022-09-29 22:45:51,076 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 104 treesize of output 94 [2022-09-29 22:46:03,575 INFO L356 Elim1Store]: treesize reduction 34, result has 59.0 percent of original size [2022-09-29 22:46:03,576 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 252 treesize of output 216 [2022-09-29 22:46:03,599 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-29 22:46:03,600 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 200 treesize of output 206 [2022-09-29 22:46:03,608 INFO L173 IndexEqualityManager]: detected equality via solver [2022-09-29 22:46:03,613 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 134 treesize of output 110 [2022-09-29 22:46:03,624 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 115 treesize of output 103 [2022-09-29 22:46:03,728 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 6 treesize of output 4 [2022-09-29 22:46:03,845 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 10 treesize of output 4 [2022-09-29 22:46:03,877 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-29 22:46:03,878 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 39 treesize of output 47 [2022-09-29 22:46:03,915 INFO L173 IndexEqualityManager]: detected equality via solver [2022-09-29 22:46:03,955 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-29 22:46:03,956 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 148 treesize of output 182 [2022-09-29 22:46:10,351 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-29 22:46:10,352 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 135 treesize of output 343 [2022-09-29 22:46:55,562 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 156 proven. 79 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 22:46:55,562 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1255220978] provided 0 perfect and 2 imperfect interpolant sequences [2022-09-29 22:46:55,563 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-09-29 22:46:55,563 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 114, 116] total 240 [2022-09-29 22:46:55,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203895792] [2022-09-29 22:46:55,563 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-09-29 22:46:55,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 240 states [2022-09-29 22:46:55,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 22:46:55,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 240 interpolants. [2022-09-29 22:46:55,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1642, Invalid=55584, Unknown=134, NotChecked=0, Total=57360 [2022-09-29 22:46:55,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:46:55,595 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 22:46:55,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 240 states, 240 states have (on average 12.279166666666667) internal successors, (2947), 240 states have internal predecessors, (2947), 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 22:46:55,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:46:55,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-09-29 22:46:55,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:47:17,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:47:17,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-09-29 22:47:17,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2022-09-29 22:47:17,806 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 22:47:17,986 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,SelfDestructingSolverStorable2 [2022-09-29 22:47:17,987 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 22:47:17,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 22:47:17,987 INFO L85 PathProgramCache]: Analyzing trace with hash -1823079850, now seen corresponding path program 2 times [2022-09-29 22:47:17,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 22:47:17,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485433099] [2022-09-29 22:47:17,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 22:47:17,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 22:47:18,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 22:47:18,673 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 100 proven. 5 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2022-09-29 22:47:18,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 22:47:18,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485433099] [2022-09-29 22:47:18,674 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485433099] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-29 22:47:18,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1618987753] [2022-09-29 22:47:18,674 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-09-29 22:47:18,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 22:47:18,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 22:47:18,676 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-09-29 22:47:18,676 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-09-29 22:47:19,125 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-09-29 22:47:19,126 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-09-29 22:47:19,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 1958 conjuncts, 218 conjunts are in the unsatisfiable core [2022-09-29 22:47:19,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 22:47:19,241 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-09-29 22:47:19,706 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 22:47:19,715 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 6 treesize of output 5 [2022-09-29 22:47:22,716 INFO L356 Elim1Store]: treesize reduction 20, result has 39.4 percent of original size [2022-09-29 22:47:22,717 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 22 [2022-09-29 22:47:23,204 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-09-29 22:47:23,205 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 73 treesize of output 69 [2022-09-29 22:47:23,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 22:47:23,211 INFO L356 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-09-29 22:47:23,211 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 58 [2022-09-29 22:47:27,207 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-09-29 22:47:27,208 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-09-29 22:47:27,208 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1618987753] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-29 22:47:27,208 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-09-29 22:47:27,208 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [63] imperfect sequences [11] total 71 [2022-09-29 22:47:27,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422715183] [2022-09-29 22:47:27,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-29 22:47:27,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2022-09-29 22:47:27,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 22:47:27,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2022-09-29 22:47:27,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=229, Invalid=4738, Unknown=3, NotChecked=0, Total=4970 [2022-09-29 22:47:27,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:47:27,213 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 22:47:27,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 13.365079365079366) internal successors, (842), 63 states have internal predecessors, (842), 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 22:47:27,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:47:27,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-09-29 22:47:27,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. [2022-09-29 22:47:27,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:47:31,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:47:31,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-29 22:47:31,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2022-09-29 22:47:31,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-09-29 22:47:31,486 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-09-29 22:47:31,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 22:47:31,682 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 22:47:31,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 22:47:31,683 INFO L85 PathProgramCache]: Analyzing trace with hash -166730132, now seen corresponding path program 1 times [2022-09-29 22:47:31,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 22:47:31,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707963232] [2022-09-29 22:47:31,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 22:47:31,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 22:47:31,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 22:47:32,313 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 22:47:32,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 22:47:32,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707963232] [2022-09-29 22:47:32,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707963232] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-29 22:47:32,314 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-29 22:47:32,315 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-09-29 22:47:32,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667302111] [2022-09-29 22:47:32,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-29 22:47:32,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-09-29 22:47:32,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 22:47:32,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-09-29 22:47:32,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2022-09-29 22:47:32,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:47:32,317 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 22:47:32,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 53.93333333333333) internal successors, (809), 16 states have internal predecessors, (809), 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 22:47:32,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:47:32,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-09-29 22:47:32,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2022-09-29 22:47:32,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-09-29 22:47:32,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:47:34,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:47:34,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-29 22:47:34,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2022-09-29 22:47:34,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-09-29 22:47:34,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-09-29 22:47:34,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-09-29 22:47:34,144 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 22:47:34,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 22:47:34,144 INFO L85 PathProgramCache]: Analyzing trace with hash -860847512, now seen corresponding path program 1 times [2022-09-29 22:47:34,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 22:47:34,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835776805] [2022-09-29 22:47:34,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 22:47:34,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 22:47:34,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 22:47:35,083 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 228 proven. 45 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-09-29 22:47:35,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 22:47:35,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835776805] [2022-09-29 22:47:35,084 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835776805] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-29 22:47:35,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1385632125] [2022-09-29 22:47:35,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 22:47:35,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 22:47:35,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 22:47:35,092 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-09-29 22:47:35,093 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-09-29 22:47:35,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 22:47:35,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 3132 conjuncts, 250 conjunts are in the unsatisfiable core [2022-09-29 22:47:35,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 22:47:35,793 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-09-29 22:47:36,214 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 6 treesize of output 5 [2022-09-29 22:47:36,217 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 22:47:37,714 INFO L356 Elim1Store]: treesize reduction 20, result has 39.4 percent of original size [2022-09-29 22:47:37,714 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 22 [2022-09-29 22:47:38,024 INFO L356 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-09-29 22:47:38,024 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 58 [2022-09-29 22:47:38,036 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-09-29 22:47:38,036 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 73 treesize of output 69 [2022-09-29 22:47:41,058 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2022-09-29 22:47:41,058 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-09-29 22:47:41,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1385632125] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-29 22:47:41,059 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-09-29 22:47:41,059 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [63] imperfect sequences [14] total 74 [2022-09-29 22:47:41,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817454956] [2022-09-29 22:47:41,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-29 22:47:41,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2022-09-29 22:47:41,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 22:47:41,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2022-09-29 22:47:41,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=307, Invalid=5095, Unknown=0, NotChecked=0, Total=5402 [2022-09-29 22:47:41,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:47:41,062 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 22:47:41,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 15.238095238095237) internal successors, (960), 63 states have internal predecessors, (960), 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 22:47:41,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:47:41,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-09-29 22:47:41,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2022-09-29 22:47:41,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-09-29 22:47:41,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-09-29 22:47:41,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:47:53,204 WARN L833 $PredicateComparison]: unable to prove that (and (= |c_ULTIMATE.start_main_~#q~1#1.offset| 0) (or (< |c_ULTIMATE.start_main_~#q~1#1.offset| 0) (forall ((|v_ULTIMATE.start_write~$Pointer$_#ptr#1.offset_36| Int) (v_ArrVal_293 Int) (v_ArrVal_295 (Array Int Int))) (let ((.cse4 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_fifo_front_~self#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_fifo_front_~self#1.base|) |v_ULTIMATE.start_write~$Pointer$_#ptr#1.offset_36| v_ArrVal_293)))) (let ((.cse0 (select .cse4 |c_ULTIMATE.start_main_~#q~1#1.base|))) (let ((.cse1 (+ 4 |c_ULTIMATE.start_main_~#q~1#1.offset|)) (.cse2 (select .cse0 |c_ULTIMATE.start_main_~#q~1#1.offset|))) (or (not (= (select .cse0 .cse1) .cse2)) (let ((.cse3 (select (store .cse4 .cse2 v_ArrVal_295) |c_ULTIMATE.start_main_~#q~1#1.base|))) (= (select .cse3 .cse1) (select .cse3 |c_ULTIMATE.start_main_~#q~1#1.offset|))) (< |c_ULTIMATE.start_fifo_front_~self#1.offset| |v_ULTIMATE.start_write~$Pointer$_#ptr#1.offset_36|)))))))) is different from false [2022-09-29 22:47:57,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:47:57,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-09-29 22:47:57,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2022-09-29 22:47:57,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-09-29 22:47:57,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-09-29 22:47:57,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2022-09-29 22:47:57,142 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-09-29 22:47:57,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 22:47:57,326 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 22:47:57,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 22:47:57,327 INFO L85 PathProgramCache]: Analyzing trace with hash 1191793476, now seen corresponding path program 1 times [2022-09-29 22:47:57,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 22:47:57,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872925730] [2022-09-29 22:47:57,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 22:47:57,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 22:47:57,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 22:47:58,351 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 228 proven. 45 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2022-09-29 22:47:58,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 22:47:58,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872925730] [2022-09-29 22:47:58,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872925730] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-29 22:47:58,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [305849440] [2022-09-29 22:47:58,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 22:47:58,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 22:47:58,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 22:47:58,354 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-09-29 22:47:58,356 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-09-29 22:47:58,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 22:47:58,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 3448 conjuncts, 203 conjunts are in the unsatisfiable core [2022-09-29 22:47:58,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 22:48:02,275 INFO L356 Elim1Store]: treesize reduction 96, result has 13.5 percent of original size [2022-09-29 22:48:02,276 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 4 case distinctions, treesize of input 57 treesize of output 38 [2022-09-29 22:48:02,301 INFO L356 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-09-29 22:48:02,302 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 1 case distinctions, treesize of input 22 treesize of output 30 [2022-09-29 22:48:03,682 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 26 treesize of output 10 [2022-09-29 22:48:03,686 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 12 treesize of output 4 [2022-09-29 22:48:03,814 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-09-29 22:48:03,888 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 243 proven. 0 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2022-09-29 22:48:03,888 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-09-29 22:48:03,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [305849440] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-29 22:48:03,889 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-09-29 22:48:03,889 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [60] imperfect sequences [14] total 68 [2022-09-29 22:48:03,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725378160] [2022-09-29 22:48:03,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-29 22:48:03,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2022-09-29 22:48:03,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 22:48:03,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2022-09-29 22:48:03,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=254, Invalid=4302, Unknown=0, NotChecked=0, Total=4556 [2022-09-29 22:48:03,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:48:03,893 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 22:48:03,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 20.1) internal successors, (1206), 60 states have internal predecessors, (1206), 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 22:48:03,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:48:03,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-09-29 22:48:03,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 136 states. [2022-09-29 22:48:03,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-09-29 22:48:03,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-09-29 22:48:03,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2022-09-29 22:48:03,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:48:19,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:48:19,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-09-29 22:48:19,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2022-09-29 22:48:19,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-09-29 22:48:19,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-09-29 22:48:19,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2022-09-29 22:48:19,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2022-09-29 22:48:19,494 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-09-29 22:48:19,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 22:48:19,673 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 22:48:19,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 22:48:19,674 INFO L85 PathProgramCache]: Analyzing trace with hash -1961658148, now seen corresponding path program 1 times [2022-09-29 22:48:19,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 22:48:19,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772317177] [2022-09-29 22:48:19,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 22:48:19,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 22:48:19,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 22:48:20,299 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2022-09-29 22:48:20,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 22:48:20,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772317177] [2022-09-29 22:48:20,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772317177] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-29 22:48:20,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1233686783] [2022-09-29 22:48:20,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 22:48:20,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 22:48:20,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 22:48:20,308 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-09-29 22:48:20,309 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-09-29 22:48:20,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 22:48:20,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 2732 conjuncts, 317 conjunts are in the unsatisfiable core [2022-09-29 22:48:21,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 22:48:21,449 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 22:48:22,423 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-09-29 22:48:22,424 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-09-29 22:48:22,767 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 20 treesize of output 20 [2022-09-29 22:48:28,803 INFO L356 Elim1Store]: treesize reduction 20, result has 39.4 percent of original size [2022-09-29 22:48:28,803 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 22 [2022-09-29 22:48:48,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 22:48:48,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 22:48:48,536 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 33 [2022-09-29 22:48:48,550 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-09-29 22:48:48,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 22:48:48,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 22:48:48,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 22:48:48,916 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 43 [2022-09-29 22:48:48,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 22:48:48,922 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 23 treesize of output 22 [2022-09-29 22:48:49,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 22:48:49,177 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-09-29 22:48:49,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 22:48:49,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 22:48:49,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 22:48:49,187 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 43 [2022-09-29 22:48:50,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 22:48:50,195 INFO L356 Elim1Store]: treesize reduction 34, result has 12.8 percent of original size [2022-09-29 22:48:50,195 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 68 treesize of output 61 [2022-09-29 22:48:50,204 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 27 treesize of output 15 [2022-09-29 22:48:50,215 INFO L356 Elim1Store]: treesize reduction 23, result has 28.1 percent of original size [2022-09-29 22:48:50,215 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 32 treesize of output 25 [2022-09-29 22:48:50,493 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 21 treesize of output 9 [2022-09-29 22:48:50,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 22:48:50,943 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 30 treesize of output 28 [2022-09-29 22:48:50,956 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-09-29 22:48:51,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 22:48:51,393 INFO L173 IndexEqualityManager]: detected equality via solver [2022-09-29 22:48:51,393 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 33 treesize of output 11 [2022-09-29 22:48:51,746 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 18 treesize of output 20 [2022-09-29 22:48:52,025 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 13 treesize of output 9 [2022-09-29 22:48:52,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 22:48:52,029 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 31 treesize of output 30 [2022-09-29 22:48:52,421 INFO L173 IndexEqualityManager]: detected equality via solver [2022-09-29 22:48:52,421 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 28 [2022-09-29 22:48:53,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 22:48:53,078 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 17 [2022-09-29 22:48:53,223 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 8 proven. 164 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-09-29 22:48:53,224 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-29 22:48:54,195 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 122 treesize of output 116 [2022-09-29 22:48:54,995 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse6 (+ |c_pusherThread1of1ForFork0_~q~0#1.offset| 4))) (let ((.cse0 (= |c_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.offset| .cse6)) (.cse1 (= |c_pusherThread1of1ForFork0_~q~0#1.base| |c_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.base|))) (or (and (or (not .cse0) (not .cse1)) (forall ((v_arrayElimCell_96 Int)) (let ((.cse2 (store |c_pusherThread1of1ForFork0_write~$Pointer$_old_#memory_$Pointer$#1.offset| |c_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.base| (store (select |c_pusherThread1of1ForFork0_write~$Pointer$_old_#memory_$Pointer$#1.offset| |c_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.base|) |c_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.offset| |c_pusherThread1of1ForFork0_write~$Pointer$_#value#1.offset|)))) (let ((.cse3 (+ (select (select .cse2 |c_pusherThread1of1ForFork0_~q~0#1.base|) (+ |c_pusherThread1of1ForFork0_~q~0#1.offset| 4)) 12))) (< (select (select .cse2 v_arrayElimCell_96) .cse3) .cse3))))) (and .cse0 .cse1 (let ((.cse4 (store |c_pusherThread1of1ForFork0_write~$Pointer$_old_#memory_$Pointer$#1.offset| |c_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.base| (store (select |c_pusherThread1of1ForFork0_write~$Pointer$_old_#memory_$Pointer$#1.offset| |c_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.base|) |c_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.offset| |c_pusherThread1of1ForFork0_write~$Pointer$_#value#1.offset|)))) (let ((.cse5 (+ (select (select .cse4 |c_pusherThread1of1ForFork0_~q~0#1.base|) .cse6) 12))) (< (select (select .cse4 |c_pusherThread1of1ForFork0_write~$Pointer$_#value#1.base|) .cse5) .cse5))))))) is different from false [2022-09-29 22:48:59,559 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (forall ((v_arrayElimCell_96 Int) (v_ArrVal_1284 (Array Int Int))) (let ((.cse4 (let ((.cse6 (store |c_pusherThread1of1ForFork0_write~$Pointer$_old_#memory_$Pointer$#1.offset| |c_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.base| v_ArrVal_1284))) (store .cse6 |c_pusherThread1of1ForFork0_fifo_push_~self#1.base| (store (select .cse6 |c_pusherThread1of1ForFork0_fifo_push_~self#1.base|) (+ |c_pusherThread1of1ForFork0_fifo_push_~self#1.offset| 4) |c_pusherThread1of1ForFork0_fifo_push_~t~0#1.offset|))))) (let ((.cse5 (+ 12 (select (select .cse4 |c_pusherThread1of1ForFork0_~q~0#1.base|) (+ |c_pusherThread1of1ForFork0_~q~0#1.offset| 4))))) (< (select (select .cse4 v_arrayElimCell_96) .cse5) .cse5)))))) (and (or (= |c_pusherThread1of1ForFork0_fifo_push_~self#1.base| |c_pusherThread1of1ForFork0_~q~0#1.base|) .cse0) (forall ((v_arrayElimCell_96 Int) (v_ArrVal_1284 (Array Int Int))) (let ((.cse1 (let ((.cse3 (store |c_pusherThread1of1ForFork0_write~$Pointer$_old_#memory_$Pointer$#1.offset| |c_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.base| v_ArrVal_1284))) (store .cse3 |c_pusherThread1of1ForFork0_fifo_push_~self#1.base| (store (select .cse3 |c_pusherThread1of1ForFork0_fifo_push_~self#1.base|) (+ |c_pusherThread1of1ForFork0_fifo_push_~self#1.offset| 4) |c_pusherThread1of1ForFork0_fifo_push_~t~0#1.offset|))))) (let ((.cse2 (+ 12 (select (select .cse1 |c_pusherThread1of1ForFork0_~q~0#1.base|) (+ |c_pusherThread1of1ForFork0_~q~0#1.offset| 4))))) (or (< (select (select .cse1 v_arrayElimCell_96) .cse2) .cse2) (< (select (select .cse1 |c_pusherThread1of1ForFork0_fifo_push_~t~0#1.base|) .cse2) .cse2))))) (or .cse0 (= |c_pusherThread1of1ForFork0_fifo_push_~self#1.offset| |c_pusherThread1of1ForFork0_~q~0#1.offset|)))) is different from false [2022-09-29 22:48:59,626 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse3 (forall ((v_arrayElimCell_96 Int) (v_ArrVal_1284 (Array Int Int))) (let ((.cse4 (let ((.cse6 (store |c_pusherThread1of1ForFork0_write~$Pointer$_old_#memory_$Pointer$#1.offset| |c_pusherThread1of1ForFork0_fifo_push_#t~mem30#1.base| v_ArrVal_1284))) (store .cse6 |c_pusherThread1of1ForFork0_fifo_push_~self#1.base| (store (select .cse6 |c_pusherThread1of1ForFork0_fifo_push_~self#1.base|) (+ |c_pusherThread1of1ForFork0_fifo_push_~self#1.offset| 4) |c_pusherThread1of1ForFork0_fifo_push_~t~0#1.offset|))))) (let ((.cse5 (+ (select (select .cse4 |c_pusherThread1of1ForFork0_~q~0#1.base|) (+ |c_pusherThread1of1ForFork0_~q~0#1.offset| 4)) 12))) (< (select (select .cse4 v_arrayElimCell_96) .cse5) .cse5)))))) (and (forall ((v_arrayElimCell_96 Int) (v_ArrVal_1284 (Array Int Int))) (let ((.cse0 (let ((.cse2 (store |c_pusherThread1of1ForFork0_write~$Pointer$_old_#memory_$Pointer$#1.offset| |c_pusherThread1of1ForFork0_fifo_push_#t~mem30#1.base| v_ArrVal_1284))) (store .cse2 |c_pusherThread1of1ForFork0_fifo_push_~self#1.base| (store (select .cse2 |c_pusherThread1of1ForFork0_fifo_push_~self#1.base|) (+ |c_pusherThread1of1ForFork0_fifo_push_~self#1.offset| 4) |c_pusherThread1of1ForFork0_fifo_push_~t~0#1.offset|))))) (let ((.cse1 (+ (select (select .cse0 |c_pusherThread1of1ForFork0_~q~0#1.base|) (+ |c_pusherThread1of1ForFork0_~q~0#1.offset| 4)) 12))) (or (< (select (select .cse0 |c_pusherThread1of1ForFork0_fifo_push_~t~0#1.base|) .cse1) .cse1) (< (select (select .cse0 v_arrayElimCell_96) .cse1) .cse1))))) (or (= |c_pusherThread1of1ForFork0_fifo_push_~self#1.base| |c_pusherThread1of1ForFork0_~q~0#1.base|) .cse3) (or .cse3 (= |c_pusherThread1of1ForFork0_fifo_push_~self#1.offset| |c_pusherThread1of1ForFork0_~q~0#1.offset|)))) is different from false [2022-09-29 22:48:59,656 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (forall ((v_arrayElimCell_96 Int) (v_ArrVal_1284 (Array Int Int))) (let ((.cse4 (let ((.cse6 (store |c_#memory_$Pointer$.offset| |c_pusherThread1of1ForFork0_fifo_push_#t~mem30#1.base| v_ArrVal_1284))) (store .cse6 |c_pusherThread1of1ForFork0_fifo_push_~self#1.base| (store (select .cse6 |c_pusherThread1of1ForFork0_fifo_push_~self#1.base|) (+ |c_pusherThread1of1ForFork0_fifo_push_~self#1.offset| 4) |c_pusherThread1of1ForFork0_fifo_push_~t~0#1.offset|))))) (let ((.cse5 (+ (select (select .cse4 |c_pusherThread1of1ForFork0_~q~0#1.base|) (+ |c_pusherThread1of1ForFork0_~q~0#1.offset| 4)) 12))) (< (select (select .cse4 v_arrayElimCell_96) .cse5) .cse5)))))) (and (or (= |c_pusherThread1of1ForFork0_fifo_push_~self#1.base| |c_pusherThread1of1ForFork0_~q~0#1.base|) .cse0) (forall ((v_arrayElimCell_96 Int) (v_ArrVal_1284 (Array Int Int))) (let ((.cse1 (let ((.cse3 (store |c_#memory_$Pointer$.offset| |c_pusherThread1of1ForFork0_fifo_push_#t~mem30#1.base| v_ArrVal_1284))) (store .cse3 |c_pusherThread1of1ForFork0_fifo_push_~self#1.base| (store (select .cse3 |c_pusherThread1of1ForFork0_fifo_push_~self#1.base|) (+ |c_pusherThread1of1ForFork0_fifo_push_~self#1.offset| 4) |c_pusherThread1of1ForFork0_fifo_push_~t~0#1.offset|))))) (let ((.cse2 (+ (select (select .cse1 |c_pusherThread1of1ForFork0_~q~0#1.base|) (+ |c_pusherThread1of1ForFork0_~q~0#1.offset| 4)) 12))) (or (< (select (select .cse1 v_arrayElimCell_96) .cse2) .cse2) (< (select (select .cse1 |c_pusherThread1of1ForFork0_fifo_push_~t~0#1.base|) .cse2) .cse2))))) (or (= |c_pusherThread1of1ForFork0_fifo_push_~self#1.offset| |c_pusherThread1of1ForFork0_~q~0#1.offset|) .cse0))) is different from false [2022-09-29 22:48:59,684 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (forall ((v_arrayElimCell_96 Int) (v_ArrVal_1284 (Array Int Int))) (let ((.cse4 (let ((.cse6 (store |c_#memory_$Pointer$.offset| |c_pusherThread1of1ForFork0_read~$Pointer$_#value#1.base| v_ArrVal_1284))) (store .cse6 |c_pusherThread1of1ForFork0_fifo_push_~self#1.base| (store (select .cse6 |c_pusherThread1of1ForFork0_fifo_push_~self#1.base|) (+ |c_pusherThread1of1ForFork0_fifo_push_~self#1.offset| 4) |c_pusherThread1of1ForFork0_fifo_push_~t~0#1.offset|))))) (let ((.cse5 (+ (select (select .cse4 |c_pusherThread1of1ForFork0_~q~0#1.base|) (+ |c_pusherThread1of1ForFork0_~q~0#1.offset| 4)) 12))) (< (select (select .cse4 v_arrayElimCell_96) .cse5) .cse5)))))) (and (or .cse0 (= |c_pusherThread1of1ForFork0_fifo_push_~self#1.offset| |c_pusherThread1of1ForFork0_~q~0#1.offset|)) (or (= |c_pusherThread1of1ForFork0_fifo_push_~self#1.base| |c_pusherThread1of1ForFork0_~q~0#1.base|) .cse0) (forall ((v_arrayElimCell_96 Int) (v_ArrVal_1284 (Array Int Int))) (let ((.cse1 (let ((.cse3 (store |c_#memory_$Pointer$.offset| |c_pusherThread1of1ForFork0_read~$Pointer$_#value#1.base| v_ArrVal_1284))) (store .cse3 |c_pusherThread1of1ForFork0_fifo_push_~self#1.base| (store (select .cse3 |c_pusherThread1of1ForFork0_fifo_push_~self#1.base|) (+ |c_pusherThread1of1ForFork0_fifo_push_~self#1.offset| 4) |c_pusherThread1of1ForFork0_fifo_push_~t~0#1.offset|))))) (let ((.cse2 (+ (select (select .cse1 |c_pusherThread1of1ForFork0_~q~0#1.base|) (+ |c_pusherThread1of1ForFork0_~q~0#1.offset| 4)) 12))) (or (< (select (select .cse1 v_arrayElimCell_96) .cse2) .cse2) (< (select (select .cse1 |c_pusherThread1of1ForFork0_fifo_push_~t~0#1.base|) .cse2) .cse2))))))) is different from false [2022-09-29 22:48:59,701 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (forall ((v_arrayElimCell_96 Int) (v_ArrVal_1284 (Array Int Int))) (let ((.cse4 (let ((.cse6 (store |c_#memory_$Pointer$.offset| (select (select |c_#memory_$Pointer$.base| |c_pusherThread1of1ForFork0_read~$Pointer$_#ptr#1.base|) |c_pusherThread1of1ForFork0_read~$Pointer$_#ptr#1.offset|) v_ArrVal_1284))) (store .cse6 |c_pusherThread1of1ForFork0_fifo_push_~self#1.base| (store (select .cse6 |c_pusherThread1of1ForFork0_fifo_push_~self#1.base|) (+ |c_pusherThread1of1ForFork0_fifo_push_~self#1.offset| 4) |c_pusherThread1of1ForFork0_fifo_push_~t~0#1.offset|))))) (let ((.cse5 (+ 12 (select (select .cse4 |c_pusherThread1of1ForFork0_~q~0#1.base|) (+ |c_pusherThread1of1ForFork0_~q~0#1.offset| 4))))) (< (select (select .cse4 v_arrayElimCell_96) .cse5) .cse5)))))) (and (or (= |c_pusherThread1of1ForFork0_fifo_push_~self#1.base| |c_pusherThread1of1ForFork0_~q~0#1.base|) .cse0) (forall ((v_arrayElimCell_96 Int) (v_ArrVal_1284 (Array Int Int))) (let ((.cse1 (let ((.cse3 (store |c_#memory_$Pointer$.offset| (select (select |c_#memory_$Pointer$.base| |c_pusherThread1of1ForFork0_read~$Pointer$_#ptr#1.base|) |c_pusherThread1of1ForFork0_read~$Pointer$_#ptr#1.offset|) v_ArrVal_1284))) (store .cse3 |c_pusherThread1of1ForFork0_fifo_push_~self#1.base| (store (select .cse3 |c_pusherThread1of1ForFork0_fifo_push_~self#1.base|) (+ |c_pusherThread1of1ForFork0_fifo_push_~self#1.offset| 4) |c_pusherThread1of1ForFork0_fifo_push_~t~0#1.offset|))))) (let ((.cse2 (+ 12 (select (select .cse1 |c_pusherThread1of1ForFork0_~q~0#1.base|) (+ |c_pusherThread1of1ForFork0_~q~0#1.offset| 4))))) (or (< (select (select .cse1 |c_pusherThread1of1ForFork0_fifo_push_~t~0#1.base|) .cse2) .cse2) (< (select (select .cse1 v_arrayElimCell_96) .cse2) .cse2))))) (or .cse0 (= |c_pusherThread1of1ForFork0_fifo_push_~self#1.offset| |c_pusherThread1of1ForFork0_~q~0#1.offset|)))) is different from false [2022-09-29 22:48:59,758 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (forall ((v_arrayElimCell_96 Int) (v_ArrVal_1284 (Array Int Int))) (let ((.cse5 (let ((.cse8 (+ |c_pusherThread1of1ForFork0_fifo_push_~self#1.offset| 4))) (let ((.cse7 (store |c_#memory_$Pointer$.offset| (select (select |c_#memory_$Pointer$.base| |c_pusherThread1of1ForFork0_fifo_push_~self#1.base|) .cse8) v_ArrVal_1284))) (store .cse7 |c_pusherThread1of1ForFork0_fifo_push_~self#1.base| (store (select .cse7 |c_pusherThread1of1ForFork0_fifo_push_~self#1.base|) .cse8 |c_pusherThread1of1ForFork0_fifo_push_~t~0#1.offset|)))))) (let ((.cse6 (+ (select (select .cse5 |c_pusherThread1of1ForFork0_~q~0#1.base|) (+ |c_pusherThread1of1ForFork0_~q~0#1.offset| 4)) 12))) (< (select (select .cse5 v_arrayElimCell_96) .cse6) .cse6)))))) (and (or .cse0 (= |c_pusherThread1of1ForFork0_fifo_push_~self#1.offset| |c_pusherThread1of1ForFork0_~q~0#1.offset|)) (forall ((v_arrayElimCell_96 Int) (v_ArrVal_1284 (Array Int Int))) (let ((.cse1 (let ((.cse4 (+ |c_pusherThread1of1ForFork0_fifo_push_~self#1.offset| 4))) (let ((.cse3 (store |c_#memory_$Pointer$.offset| (select (select |c_#memory_$Pointer$.base| |c_pusherThread1of1ForFork0_fifo_push_~self#1.base|) .cse4) v_ArrVal_1284))) (store .cse3 |c_pusherThread1of1ForFork0_fifo_push_~self#1.base| (store (select .cse3 |c_pusherThread1of1ForFork0_fifo_push_~self#1.base|) .cse4 |c_pusherThread1of1ForFork0_fifo_push_~t~0#1.offset|)))))) (let ((.cse2 (+ (select (select .cse1 |c_pusherThread1of1ForFork0_~q~0#1.base|) (+ |c_pusherThread1of1ForFork0_~q~0#1.offset| 4)) 12))) (or (< (select (select .cse1 v_arrayElimCell_96) .cse2) .cse2) (< (select (select .cse1 |c_pusherThread1of1ForFork0_fifo_push_~t~0#1.base|) .cse2) .cse2))))) (or (= |c_pusherThread1of1ForFork0_fifo_push_~self#1.base| |c_pusherThread1of1ForFork0_~q~0#1.base|) .cse0))) is different from false [2022-09-29 22:48:59,975 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-29 22:48:59,975 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 702 treesize of output 519 [2022-09-29 22:49:00,130 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-29 22:49:00,131 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 18917 treesize of output 17955 [2022-09-29 22:49:00,359 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-29 22:49:00,360 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 20436 treesize of output 18013 [2022-09-29 22:49:01,161 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-29 22:49:01,162 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 18516 treesize of output 17521 [2022-09-29 22:49:01,905 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-29 22:49:01,906 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 17724 treesize of output 17303 [2022-09-29 22:49:02,612 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 6 treesize of output 4 Received shutdown request... [2022-09-29 22:58:09,191 WARN L249 SmtUtils]: Removed 2 from assertion stack [2022-09-29 22:58:09,194 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-09-29 22:58:09,206 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-09-29 22:58:09,207 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 22:58:09,210 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 22:58:09,216 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-09-29 22:58:09,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 22:58:09,395 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 1093 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 6 for 10ms.. [2022-09-29 22:58:09,399 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1] [2022-09-29 22:58:09,400 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT was TIMEOUT (1/2) [2022-09-29 22:58:09,402 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-29 22:58:09,402 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-29 22:58:09,405 INFO L202 PluginConnector]: Adding new model divinefifo_1w1r.line1526.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.09 10:58:09 BasicIcfg [2022-09-29 22:58:09,405 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-29 22:58:09,405 INFO L158 Benchmark]: Toolchain (without parser) took 769982.21ms. Allocated memory was 176.2MB in the beginning and 989.9MB in the end (delta: 813.7MB). Free memory was 121.6MB in the beginning and 355.3MB in the end (delta: -233.7MB). Peak memory consumption was 859.2MB. Max. memory is 8.0GB. [2022-09-29 22:58:09,405 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.14ms. Allocated memory is still 176.2MB. Free memory is still 127.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-29 22:58:09,406 INFO L158 Benchmark]: Boogie Preprocessor took 141.53ms. Allocated memory is still 176.2MB. Free memory was 121.6MB in the beginning and 141.8MB in the end (delta: -20.2MB). Peak memory consumption was 12.1MB. Max. memory is 8.0GB. [2022-09-29 22:58:09,406 INFO L158 Benchmark]: RCFGBuilder took 1438.10ms. Allocated memory was 176.2MB in the beginning and 256.9MB in the end (delta: 80.7MB). Free memory was 141.7MB in the beginning and 151.7MB in the end (delta: -10.0MB). Peak memory consumption was 74.8MB. Max. memory is 8.0GB. [2022-09-29 22:58:09,406 INFO L158 Benchmark]: TraceAbstraction took 768381.58ms. Allocated memory was 256.9MB in the beginning and 989.9MB in the end (delta: 733.0MB). Free memory was 151.2MB in the beginning and 355.3MB in the end (delta: -204.1MB). Peak memory consumption was 807.9MB. Max. memory is 8.0GB. [2022-09-29 22:58:09,407 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 0.14ms. Allocated memory is still 176.2MB. Free memory is still 127.7MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 141.53ms. Allocated memory is still 176.2MB. Free memory was 121.6MB in the beginning and 141.8MB in the end (delta: -20.2MB). Peak memory consumption was 12.1MB. Max. memory is 8.0GB. * RCFGBuilder took 1438.10ms. Allocated memory was 176.2MB in the beginning and 256.9MB in the end (delta: 80.7MB). Free memory was 141.7MB in the beginning and 151.7MB in the end (delta: -10.0MB). Peak memory consumption was 74.8MB. Max. memory is 8.0GB. * TraceAbstraction took 768381.58ms. Allocated memory was 256.9MB in the beginning and 989.9MB in the end (delta: 733.0MB). Free memory was 151.2MB in the beginning and 355.3MB in the end (delta: -204.1MB). Peak memory consumption was 807.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 480, positive: 465, positive conditional: 465, positive unconditional: 0, negative: 15, negative conditional: 15, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 51692, positive: 50027, positive conditional: 50027, positive unconditional: 0, negative: 1665, negative conditional: 1665, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 50050, positive: 50027, positive conditional: 0, positive unconditional: 50027, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 12908, positive: 12898, positive conditional: 0, positive unconditional: 12898, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 50050, positive: 37129, positive conditional: 0, positive unconditional: 37129, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 12908, unknown conditional: 0, unknown unconditional: 12908] , Statistics on independence cache: Total cache size (in pairs): 465, Positive cache size: 465, Positive conditional cache size: 0, Positive unconditional cache size: 465, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 15, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 1480, positive: 1437, positive conditional: 1437, positive unconditional: 0, negative: 43, negative conditional: 43, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 51692, positive: 50027, positive conditional: 50027, positive unconditional: 0, negative: 1665, negative conditional: 1665, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 50050, positive: 50027, positive conditional: 0, positive unconditional: 50027, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 12908, positive: 12898, positive conditional: 0, positive unconditional: 12898, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 50050, positive: 37129, positive conditional: 0, positive unconditional: 37129, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 12908, unknown conditional: 0, unknown unconditional: 12908] , Statistics on independence cache: Total cache size (in pairs): 1439, Positive cache size: 1439, Positive conditional cache size: 0, Positive unconditional cache size: 1439, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 58, Statistics for Abstraction: - StatisticsResult: Independence relation #3 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 5796, positive: 5615, positive conditional: 5615, positive unconditional: 0, negative: 181, negative conditional: 181, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 51692, positive: 50027, positive conditional: 50027, positive unconditional: 0, negative: 1665, negative conditional: 1665, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 50050, positive: 50027, positive conditional: 0, positive unconditional: 50027, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 12908, positive: 12898, positive conditional: 0, positive unconditional: 12898, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 50050, positive: 37129, positive conditional: 0, positive unconditional: 37129, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 12908, unknown conditional: 0, unknown unconditional: 12908] , Statistics on independence cache: Total cache size (in pairs): 3866, Positive cache size: 3865, Positive conditional cache size: 0, Positive unconditional cache size: 3865, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Independence queries for same thread: 238, Statistics for Abstraction: - StatisticsResult: Independence relation #4 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 2880, positive: 2789, positive conditional: 2789, positive unconditional: 0, negative: 91, negative conditional: 91, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 51692, positive: 50027, positive conditional: 50027, positive unconditional: 0, negative: 1665, negative conditional: 1665, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 50050, positive: 50027, positive conditional: 0, positive unconditional: 50027, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 12908, positive: 12898, positive conditional: 0, positive unconditional: 12898, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 50050, positive: 37129, positive conditional: 0, positive unconditional: 37129, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 12908, unknown conditional: 0, unknown unconditional: 12908] , Statistics on independence cache: Total cache size (in pairs): 4953, Positive cache size: 4951, Positive conditional cache size: 0, Positive unconditional cache size: 4951, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Independence queries for same thread: 328, Statistics for Abstraction: - StatisticsResult: Independence relation #5 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 7031, positive: 6784, positive conditional: 6784, positive unconditional: 0, negative: 247, negative conditional: 247, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 51692, positive: 50027, positive conditional: 50027, positive unconditional: 0, negative: 1665, negative conditional: 1665, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 50050, positive: 50027, positive conditional: 0, positive unconditional: 50027, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 12908, positive: 12898, positive conditional: 0, positive unconditional: 12898, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 50050, positive: 37129, positive conditional: 0, positive unconditional: 37129, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 12908, unknown conditional: 0, unknown unconditional: 12908] , Statistics on independence cache: Total cache size (in pairs): 8290, Positive cache size: 8284, Positive conditional cache size: 0, Positive unconditional cache size: 8284, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Independence queries for same thread: 571, Statistics for Abstraction: - StatisticsResult: Independence relation #6 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 11455, positive: 11078, positive conditional: 11078, positive unconditional: 0, negative: 377, negative conditional: 377, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 51692, positive: 50027, positive conditional: 50027, positive unconditional: 0, negative: 1665, negative conditional: 1665, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 50050, positive: 50027, positive conditional: 0, positive unconditional: 50027, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 12908, positive: 12898, positive conditional: 0, positive unconditional: 12898, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 50050, positive: 37129, positive conditional: 0, positive unconditional: 37129, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 12908, unknown conditional: 0, unknown unconditional: 12908] , Statistics on independence cache: Total cache size (in pairs): 9341, Positive cache size: 9333, Positive conditional cache size: 0, Positive unconditional cache size: 9333, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Independence queries for same thread: 942, Statistics for Abstraction: - StatisticsResult: Independence relation #7 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 13181, positive: 12771, positive conditional: 12771, positive unconditional: 0, negative: 410, negative conditional: 410, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 51692, positive: 50027, positive conditional: 50027, positive unconditional: 0, negative: 1665, negative conditional: 1665, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 50050, positive: 50027, positive conditional: 0, positive unconditional: 50027, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 12908, positive: 12898, positive conditional: 0, positive unconditional: 12898, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 50050, positive: 37129, positive conditional: 0, positive unconditional: 37129, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 12908, unknown conditional: 0, unknown unconditional: 12908] , Statistics on independence cache: Total cache size (in pairs): 12359, Positive cache size: 12350, Positive conditional cache size: 0, Positive unconditional cache size: 12350, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9, Independence queries for same thread: 1346, Statistics for Abstraction: - StatisticsResult: Independence relation #8 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 9389, positive: 9088, positive conditional: 9088, positive unconditional: 0, negative: 301, negative conditional: 301, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 51692, positive: 50027, positive conditional: 50027, positive unconditional: 0, negative: 1665, negative conditional: 1665, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 50050, positive: 50027, positive conditional: 0, positive unconditional: 50027, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 12908, positive: 12898, positive conditional: 0, positive unconditional: 12898, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 50050, positive: 37129, positive conditional: 0, positive unconditional: 37129, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 12908, unknown conditional: 0, unknown unconditional: 12908] , Statistics on independence cache: Total cache size (in pairs): 12908, Positive cache size: 12898, Positive conditional cache size: 0, Positive unconditional cache size: 12898, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, Independence queries for same thread: 1642, Statistics for Abstraction: - TimeoutResultAtElement [Line: 1526]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 1093 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 6 for 10ms.. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONASSERT with 1 thread instances CFG has 3 procedures, 1438 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 768.1s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 62.9s, 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: 441, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 110.7s InterpolantComputationTime, 11766 NumberOfCodeBlocks, 11480 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 12830 ConstructedInterpolants, 1438 QuantifiedInterpolants, 165478 SizeOfPredicates, 487 NumberOfNonLiveVariables, 11212 ConjunctsInSsa, 983 ConjunctsInUnsatCore, 12 InterpolantComputations, 6 PerfectInterpolantSequences, 2486/2699 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