java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/programs/abstractInterpretation/regression/open/oct/proc-statesplit-logiciff.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:09:28,497 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:09:28,503 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:09:28,520 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:09:28,520 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:09:28,522 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:09:28,524 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:09:28,527 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:09:28,530 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:09:28,538 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:09:28,539 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:09:28,539 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:09:28,539 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:09:28,543 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:09:28,544 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:09:28,545 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:09:28,546 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:09:28,547 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:09:28,551 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:09:28,557 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:09:28,559 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:09:28,561 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:09:28,563 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:09:28,565 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:09:28,568 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:09:28,569 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:09:28,569 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:09:28,570 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:09:28,571 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:09:28,572 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:09:28,572 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:09:28,575 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:09:28,576 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:09:28,577 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:09:28,579 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:09:28,580 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:09:28,581 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:09:28,581 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:09:28,581 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:09:28,582 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:09:28,583 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:09:28,635 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:09:28,649 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:09:28,653 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:09:28,655 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:09:28,655 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:09:28,656 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/open/oct/proc-statesplit-logiciff.bpl [2019-08-05 11:09:28,656 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/open/oct/proc-statesplit-logiciff.bpl' [2019-08-05 11:09:28,688 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:09:28,690 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 11:09:28,690 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 11:09:28,691 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 11:09:28,691 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 11:09:28,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "proc-statesplit-logiciff.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:09:28" (1/1) ... [2019-08-05 11:09:28,719 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "proc-statesplit-logiciff.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:09:28" (1/1) ... [2019-08-05 11:09:28,742 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 11:09:28,743 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:09:28,743 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:09:28,743 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:09:28,753 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "proc-statesplit-logiciff.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:09:28" (1/1) ... [2019-08-05 11:09:28,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "proc-statesplit-logiciff.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:09:28" (1/1) ... [2019-08-05 11:09:28,754 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "proc-statesplit-logiciff.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:09:28" (1/1) ... [2019-08-05 11:09:28,754 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "proc-statesplit-logiciff.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:09:28" (1/1) ... [2019-08-05 11:09:28,758 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "proc-statesplit-logiciff.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:09:28" (1/1) ... [2019-08-05 11:09:28,761 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "proc-statesplit-logiciff.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:09:28" (1/1) ... [2019-08-05 11:09:28,762 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "proc-statesplit-logiciff.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:09:28" (1/1) ... [2019-08-05 11:09:28,764 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:09:28,764 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:09:28,764 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:09:28,764 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:09:28,765 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "proc-statesplit-logiciff.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:09:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-08-05 11:09:28,836 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 11:09:28,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 11:09:28,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 11:09:29,205 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 11:09:29,206 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-05 11:09:29,207 INFO L202 PluginConnector]: Adding new model proc-statesplit-logiciff.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:09:29 BoogieIcfgContainer [2019-08-05 11:09:29,207 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:09:29,208 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 11:09:29,209 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 11:09:29,211 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 11:09:29,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "proc-statesplit-logiciff.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:09:28" (1/2) ... [2019-08-05 11:09:29,213 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60a239be and model type proc-statesplit-logiciff.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 11:09:29, skipping insertion in model container [2019-08-05 11:09:29,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "proc-statesplit-logiciff.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:09:29" (2/2) ... [2019-08-05 11:09:29,215 INFO L109 eAbstractionObserver]: Analyzing ICFG proc-statesplit-logiciff.bpl [2019-08-05 11:09:29,224 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 11:09:29,230 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-08-05 11:09:29,245 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-08-05 11:09:29,268 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 11:09:29,269 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 11:09:29,269 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 11:09:29,269 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 11:09:29,269 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 11:09:29,270 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 11:09:29,270 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 11:09:29,270 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 11:09:29,270 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 11:09:29,282 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states. [2019-08-05 11:09:29,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-08-05 11:09:29,291 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 11:09:29,292 INFO L399 BasicCegarLoop]: trace histogram [1, 1] [2019-08-05 11:09:29,294 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 11:09:29,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 11:09:29,300 INFO L82 PathProgramCache]: Analyzing trace with hash 1403, now seen corresponding path program 1 times [2019-08-05 11:09:29,346 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 11:09:29,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 11:09:29,385 WARN L254 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 7 conjunts are in the unsatisfiable core [2019-08-05 11:09:29,389 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 11:09:29,548 WARN L188 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2019-08-05 11:09:29,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 11:09:29,553 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 11:09:29,554 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-08-05 11:09:29,559 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-08-05 11:09:29,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-08-05 11:09:29,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 11:09:29,580 INFO L87 Difference]: Start difference. First operand 4 states. Second operand 3 states. [2019-08-05 11:09:29,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 11:09:29,614 INFO L93 Difference]: Finished difference Result 3 states and 2 transitions. [2019-08-05 11:09:29,615 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-08-05 11:09:29,616 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2019-08-05 11:09:29,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 11:09:29,625 INFO L225 Difference]: With dead ends: 3 [2019-08-05 11:09:29,625 INFO L226 Difference]: Without dead ends: 0 [2019-08-05 11:09:29,627 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 11:09:29,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-08-05 11:09:29,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-08-05 11:09:29,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-08-05 11:09:29,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-08-05 11:09:29,662 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2 [2019-08-05 11:09:29,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 11:09:29,662 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-08-05 11:09:29,662 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-08-05 11:09:29,663 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-08-05 11:09:29,663 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-08-05 11:09:29,668 INFO L202 PluginConnector]: Adding new model proc-statesplit-logiciff.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 11:09:29 BoogieIcfgContainer [2019-08-05 11:09:29,669 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 11:09:29,672 INFO L168 Benchmark]: Toolchain (without parser) took 982.12 ms. Allocated memory is still 134.2 MB. Free memory was 110.5 MB in the beginning and 77.6 MB in the end (delta: 32.9 MB). Peak memory consumption was 32.9 MB. Max. memory is 7.1 GB. [2019-08-05 11:09:29,673 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 134.2 MB. Free memory is still 111.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 11:09:29,677 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.78 ms. Allocated memory is still 134.2 MB. Free memory was 110.5 MB in the beginning and 108.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-05 11:09:29,678 INFO L168 Benchmark]: Boogie Preprocessor took 21.23 ms. Allocated memory is still 134.2 MB. Free memory was 108.4 MB in the beginning and 107.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-08-05 11:09:29,681 INFO L168 Benchmark]: RCFGBuilder took 443.23 ms. Allocated memory is still 134.2 MB. Free memory was 107.1 MB in the beginning and 96.7 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2019-08-05 11:09:29,682 INFO L168 Benchmark]: TraceAbstraction took 460.32 ms. Allocated memory is still 134.2 MB. Free memory was 96.3 MB in the beginning and 77.6 MB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. [2019-08-05 11:09:29,690 INFO L335 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 0.23 ms. Allocated memory is still 134.2 MB. Free memory is still 111.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 51.78 ms. Allocated memory is still 134.2 MB. Free memory was 110.5 MB in the beginning and 108.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 21.23 ms. Allocated memory is still 134.2 MB. Free memory was 108.4 MB in the beginning and 107.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 443.23 ms. Allocated memory is still 134.2 MB. Free memory was 107.1 MB in the beginning and 96.7 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 460.32 ms. Allocated memory is still 134.2 MB. Free memory was 96.3 MB in the beginning and 77.6 MB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 10]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 4 locations, 1 error locations. SAFE Result, 0.4s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 1 SDslu, 0 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 2 NumberOfCodeBlocks, 2 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 1 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 2 NumberOfNonLiveVariables, 9 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...