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/recursive/regression/bpl/UpAndDownLocalReals-correct.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:07:43,429 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:07:43,432 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:07:43,447 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:07:43,448 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:07:43,449 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:07:43,450 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:07:43,454 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:07:43,457 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:07:43,459 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:07:43,460 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:07:43,461 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:07:43,461 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:07:43,463 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:07:43,464 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:07:43,472 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:07:43,473 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:07:43,476 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:07:43,478 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:07:43,483 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:07:43,486 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:07:43,488 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:07:43,490 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:07:43,492 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:07:43,494 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:07:43,496 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:07:43,496 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:07:43,497 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:07:43,498 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:07:43,499 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:07:43,499 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:07:43,500 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:07:43,503 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:07:43,505 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:07:43,506 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:07:43,506 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:07:43,507 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:07:43,507 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:07:43,508 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:07:43,509 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:07:43,509 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:07:43,547 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:07:43,559 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:07:43,562 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:07:43,563 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:07:43,564 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:07:43,565 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/recursive/regression/bpl/UpAndDownLocalReals-correct.bpl [2019-08-05 11:07:43,565 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/recursive/regression/bpl/UpAndDownLocalReals-correct.bpl' [2019-08-05 11:07:43,593 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:07:43,595 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 11:07:43,595 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 11:07:43,596 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 11:07:43,596 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 11:07:43,612 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "UpAndDownLocalReals-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:43" (1/1) ... [2019-08-05 11:07:43,621 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "UpAndDownLocalReals-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:43" (1/1) ... [2019-08-05 11:07:43,628 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 11:07:43,628 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 11:07:43,628 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 11:07:43,630 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 11:07:43,631 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:07:43,631 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:07:43,632 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:07:43,642 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "UpAndDownLocalReals-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:43" (1/1) ... [2019-08-05 11:07:43,643 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "UpAndDownLocalReals-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:43" (1/1) ... [2019-08-05 11:07:43,643 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "UpAndDownLocalReals-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:43" (1/1) ... [2019-08-05 11:07:43,644 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "UpAndDownLocalReals-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:43" (1/1) ... [2019-08-05 11:07:43,646 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "UpAndDownLocalReals-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:43" (1/1) ... [2019-08-05 11:07:43,648 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "UpAndDownLocalReals-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:43" (1/1) ... [2019-08-05 11:07:43,648 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "UpAndDownLocalReals-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:43" (1/1) ... [2019-08-05 11:07:43,650 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:07:43,650 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:07:43,650 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:07:43,651 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:07:43,651 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "UpAndDownLocalReals-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:43" (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 11:07:43,724 INFO L130 BoogieDeclarations]: Found specification of procedure UpAndDownLocal [2019-08-05 11:07:43,725 INFO L138 BoogieDeclarations]: Found implementation of procedure UpAndDownLocal [2019-08-05 11:07:43,725 INFO L130 BoogieDeclarations]: Found specification of procedure Main [2019-08-05 11:07:43,725 INFO L138 BoogieDeclarations]: Found implementation of procedure Main [2019-08-05 11:07:43,919 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-08-05 11:07:44,016 INFO L275 CfgBuilder]: Using library mode [2019-08-05 11:07:44,017 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 11:07:44,018 INFO L202 PluginConnector]: Adding new model UpAndDownLocalReals-correct.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:07:44 BoogieIcfgContainer [2019-08-05 11:07:44,019 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:07:44,022 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 11:07:44,022 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 11:07:44,028 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 11:07:44,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "UpAndDownLocalReals-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:43" (1/2) ... [2019-08-05 11:07:44,030 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20f355b0 and model type UpAndDownLocalReals-correct.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 11:07:44, skipping insertion in model container [2019-08-05 11:07:44,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "UpAndDownLocalReals-correct.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:07:44" (2/2) ... [2019-08-05 11:07:44,032 INFO L109 eAbstractionObserver]: Analyzing ICFG UpAndDownLocalReals-correct.bpl [2019-08-05 11:07:44,046 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 11:07:44,055 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-08-05 11:07:44,071 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-08-05 11:07:44,096 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 11:07:44,096 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 11:07:44,097 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 11:07:44,097 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 11:07:44,097 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 11:07:44,097 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 11:07:44,097 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 11:07:44,097 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 11:07:44,098 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 11:07:44,112 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2019-08-05 11:07:44,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-08-05 11:07:44,123 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 11:07:44,124 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-08-05 11:07:44,127 INFO L418 AbstractCegarLoop]: === Iteration 1 === [MainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 11:07:44,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 11:07:44,133 INFO L82 PathProgramCache]: Analyzing trace with hash 967521099, now seen corresponding path program 1 times [2019-08-05 11:07:44,183 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 11:07:44,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 11:07:44,224 WARN L254 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 9 conjunts are in the unsatisfiable core [2019-08-05 11:07:44,228 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 11:07:44,404 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 11:07:44,406 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 11:07:44,407 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-08-05 11:07:44,410 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-08-05 11:07:44,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-08-05 11:07:44,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-08-05 11:07:44,429 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 5 states. [2019-08-05 11:07:44,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 11:07:44,584 INFO L93 Difference]: Finished difference Result 8 states and 9 transitions. [2019-08-05 11:07:44,585 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-08-05 11:07:44,586 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 7 [2019-08-05 11:07:44,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 11:07:44,594 INFO L225 Difference]: With dead ends: 8 [2019-08-05 11:07:44,594 INFO L226 Difference]: Without dead ends: 0 [2019-08-05 11:07:44,596 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-08-05 11:07:44,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-08-05 11:07:44,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-08-05 11:07:44,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-08-05 11:07:44,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-08-05 11:07:44,626 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2019-08-05 11:07:44,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 11:07:44,626 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-08-05 11:07:44,627 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-08-05 11:07:44,627 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-08-05 11:07:44,627 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-08-05 11:07:44,633 INFO L202 PluginConnector]: Adding new model UpAndDownLocalReals-correct.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 11:07:44 BoogieIcfgContainer [2019-08-05 11:07:44,633 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 11:07:44,636 INFO L168 Benchmark]: Toolchain (without parser) took 1040.35 ms. Allocated memory is still 134.7 MB. Free memory was 112.2 MB in the beginning and 76.6 MB in the end (delta: 35.6 MB). Peak memory consumption was 35.6 MB. Max. memory is 7.1 GB. [2019-08-05 11:07:44,637 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 134.7 MB. Free memory is still 113.1 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 11:07:44,638 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.52 ms. Allocated memory is still 134.7 MB. Free memory was 112.2 MB in the beginning and 110.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-05 11:07:44,640 INFO L168 Benchmark]: Boogie Preprocessor took 18.67 ms. Allocated memory is still 134.7 MB. Free memory was 110.1 MB in the beginning and 109.2 MB in the end (delta: 909.9 kB). Peak memory consumption was 909.9 kB. Max. memory is 7.1 GB. [2019-08-05 11:07:44,641 INFO L168 Benchmark]: RCFGBuilder took 368.85 ms. Allocated memory is still 134.7 MB. Free memory was 109.2 MB in the beginning and 99.0 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-08-05 11:07:44,642 INFO L168 Benchmark]: TraceAbstraction took 611.36 ms. Allocated memory is still 134.7 MB. Free memory was 98.6 MB in the beginning and 76.6 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. [2019-08-05 11:07:44,646 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 0.22 ms. Allocated memory is still 134.7 MB. Free memory is still 113.1 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 35.52 ms. Allocated memory is still 134.7 MB. Free memory was 112.2 MB in the beginning and 110.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 18.67 ms. Allocated memory is still 134.7 MB. Free memory was 110.1 MB in the beginning and 109.2 MB in the end (delta: 909.9 kB). Peak memory consumption was 909.9 kB. Max. memory is 7.1 GB. * RCFGBuilder took 368.85 ms. Allocated memory is still 134.7 MB. Free memory was 109.2 MB in the beginning and 99.0 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 611.36 ms. Allocated memory is still 134.7 MB. Free memory was 98.6 MB in the beginning and 76.6 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 17]: 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 2 procedures, 9 locations, 1 error locations. SAFE Result, 0.5s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 5 SDtfs, 1 SDslu, 6 SDs, 0 SdLazy, 18 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred 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, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 108 SizeOfPredicates, 0 NumberOfNonLiveVariables, 17 ConjunctsInSsa, 9 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...