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/BoogiePL/sifa/call-summary.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 09:53:27,648 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 09:53:27,651 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 09:53:27,667 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 09:53:27,667 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 09:53:27,668 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 09:53:27,670 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 09:53:27,672 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 09:53:27,673 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 09:53:27,674 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 09:53:27,675 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 09:53:27,676 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 09:53:27,676 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 09:53:27,677 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 09:53:27,678 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 09:53:27,679 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 09:53:27,680 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 09:53:27,681 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 09:53:27,683 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 09:53:27,686 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 09:53:27,687 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 09:53:27,689 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 09:53:27,690 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 09:53:27,691 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 09:53:27,694 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 09:53:27,696 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 09:53:27,697 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 09:53:27,698 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 09:53:27,698 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 09:53:27,699 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 09:53:27,700 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 09:53:27,700 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 09:53:27,703 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 09:53:27,704 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 09:53:27,706 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 09:53:27,706 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 09:53:27,708 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 09:53:27,708 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 09:53:27,708 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 09:53:27,711 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 09:53:27,712 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 09:53:27,761 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 09:53:27,780 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 09:53:27,784 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 09:53:27,786 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 09:53:27,787 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 09:53:27,788 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/BoogiePL/sifa/call-summary.bpl [2019-08-05 09:53:27,788 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/BoogiePL/sifa/call-summary.bpl' [2019-08-05 09:53:27,818 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 09:53:27,819 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 09:53:27,820 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 09:53:27,820 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 09:53:27,821 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 09:53:27,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "call-summary.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:27" (1/1) ... [2019-08-05 09:53:27,847 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "call-summary.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:27" (1/1) ... [2019-08-05 09:53:27,853 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 09:53:27,854 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 09:53:27,854 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 09:53:27,866 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 09:53:27,867 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 09:53:27,867 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 09:53:27,867 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 09:53:27,879 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "call-summary.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:27" (1/1) ... [2019-08-05 09:53:27,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "call-summary.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:27" (1/1) ... [2019-08-05 09:53:27,879 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "call-summary.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:27" (1/1) ... [2019-08-05 09:53:27,880 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "call-summary.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:27" (1/1) ... [2019-08-05 09:53:27,881 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "call-summary.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:27" (1/1) ... [2019-08-05 09:53:27,882 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "call-summary.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:27" (1/1) ... [2019-08-05 09:53:27,883 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "call-summary.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:27" (1/1) ... [2019-08-05 09:53:27,884 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 09:53:27,884 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 09:53:27,884 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 09:53:27,885 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 09:53:27,886 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "call-summary.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:27" (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 09:53:27,956 INFO L124 BoogieDeclarations]: Specification and implementation of procedure sub given in one single declaration [2019-08-05 09:53:27,956 INFO L130 BoogieDeclarations]: Found specification of procedure sub [2019-08-05 09:53:27,956 INFO L138 BoogieDeclarations]: Found implementation of procedure sub [2019-08-05 09:53:27,957 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 09:53:27,957 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 09:53:27,959 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 09:53:28,213 INFO L275 CfgBuilder]: Using library mode [2019-08-05 09:53:28,213 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-05 09:53:28,214 INFO L202 PluginConnector]: Adding new model call-summary.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 09:53:28 BoogieIcfgContainer [2019-08-05 09:53:28,214 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 09:53:28,216 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 09:53:28,216 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 09:53:28,219 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 09:53:28,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "call-summary.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:27" (1/2) ... [2019-08-05 09:53:28,221 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45ca4220 and model type call-summary.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 09:53:28, skipping insertion in model container [2019-08-05 09:53:28,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "call-summary.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 09:53:28" (2/2) ... [2019-08-05 09:53:28,223 INFO L109 eAbstractionObserver]: Analyzing ICFG call-summary.bpl [2019-08-05 09:53:28,233 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 09:53:28,242 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-08-05 09:53:28,259 INFO L252 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-08-05 09:53:28,283 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 09:53:28,284 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 09:53:28,284 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 09:53:28,285 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 09:53:28,285 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 09:53:28,285 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 09:53:28,285 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 09:53:28,285 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 09:53:28,286 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 09:53:28,301 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2019-08-05 09:53:28,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2019-08-05 09:53:28,312 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 09:53:28,313 INFO L399 BasicCegarLoop]: trace histogram [1] [2019-08-05 09:53:28,318 INFO L418 AbstractCegarLoop]: === Iteration 1 === [subErr0ASSERT_VIOLATIONASSERT, mainErr0ASSERT_VIOLATIONASSERT, mainErr1ASSERT_VIOLATIONASSERT]=== [2019-08-05 09:53:28,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 09:53:28,326 INFO L82 PathProgramCache]: Analyzing trace with hash 34, now seen corresponding path program 1 times [2019-08-05 09:53:28,375 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 09:53:28,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 09:53:28,395 INFO L256 TraceCheckSpWp]: Trace formula consists of 3 conjuncts, 1 conjunts are in the unsatisfiable core [2019-08-05 09:53:28,399 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 09:53:28,403 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 09:53:28,405 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 09:53:28,405 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2019-08-05 09:53:28,409 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-08-05 09:53:28,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-08-05 09:53:28,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-08-05 09:53:28,422 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 2 states. [2019-08-05 09:53:28,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 09:53:28,433 INFO L93 Difference]: Finished difference Result 5 states and 3 transitions. [2019-08-05 09:53:28,434 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-08-05 09:53:28,435 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1 [2019-08-05 09:53:28,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 09:53:28,443 INFO L225 Difference]: With dead ends: 5 [2019-08-05 09:53:28,443 INFO L226 Difference]: Without dead ends: 0 [2019-08-05 09:53:28,445 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-08-05 09:53:28,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-08-05 09:53:28,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-08-05 09:53:28,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-08-05 09:53:28,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-08-05 09:53:28,473 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1 [2019-08-05 09:53:28,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 09:53:28,474 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-08-05 09:53:28,474 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-08-05 09:53:28,474 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-08-05 09:53:28,475 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-08-05 09:53:28,483 INFO L202 PluginConnector]: Adding new model call-summary.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 09:53:28 BoogieIcfgContainer [2019-08-05 09:53:28,483 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 09:53:28,487 INFO L168 Benchmark]: Toolchain (without parser) took 666.40 ms. Allocated memory is still 133.2 MB. Free memory was 109.7 MB in the beginning and 82.0 MB in the end (delta: 27.6 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. [2019-08-05 09:53:28,490 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 133.2 MB. Free memory was 110.7 MB in the beginning and 110.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-08-05 09:53:28,492 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.30 ms. Allocated memory is still 133.2 MB. Free memory was 109.4 MB in the beginning and 107.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-05 09:53:28,493 INFO L168 Benchmark]: Boogie Preprocessor took 17.01 ms. Allocated memory is still 133.2 MB. Free memory was 107.3 MB in the beginning and 106.4 MB in the end (delta: 940.8 kB). Peak memory consumption was 940.8 kB. Max. memory is 7.1 GB. [2019-08-05 09:53:28,494 INFO L168 Benchmark]: RCFGBuilder took 330.19 ms. Allocated memory is still 133.2 MB. Free memory was 106.4 MB in the beginning and 97.9 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 7.1 GB. [2019-08-05 09:53:28,496 INFO L168 Benchmark]: TraceAbstraction took 267.96 ms. Allocated memory is still 133.2 MB. Free memory was 97.7 MB in the beginning and 82.0 MB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. [2019-08-05 09:53:28,502 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 0.20 ms. Allocated memory is still 133.2 MB. Free memory was 110.7 MB in the beginning and 110.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 46.30 ms. Allocated memory is still 133.2 MB. Free memory was 109.4 MB in the beginning and 107.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 17.01 ms. Allocated memory is still 133.2 MB. Free memory was 107.3 MB in the beginning and 106.4 MB in the end (delta: 940.8 kB). Peak memory consumption was 940.8 kB. Max. memory is 7.1 GB. * RCFGBuilder took 330.19 ms. Allocated memory is still 133.2 MB. Free memory was 106.4 MB in the beginning and 97.9 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 267.96 ms. Allocated memory is still 133.2 MB. Free memory was 97.7 MB in the beginning and 82.0 MB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 9]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 9]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 4]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 8 locations, 3 error locations. SAFE Result, 0.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred 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, 0.0s InterpolantComputationTime, 1 NumberOfCodeBlocks, 1 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 3 ConjunctsInSsa, 1 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...