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/enter-call-in-loop.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 09:53:28,467 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 09:53:28,469 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 09:53:28,481 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 09:53:28,481 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 09:53:28,482 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 09:53:28,483 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 09:53:28,485 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 09:53:28,487 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 09:53:28,488 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 09:53:28,489 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 09:53:28,489 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 09:53:28,490 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 09:53:28,491 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 09:53:28,492 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 09:53:28,493 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 09:53:28,493 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 09:53:28,494 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 09:53:28,496 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 09:53:28,498 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 09:53:28,500 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 09:53:28,501 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 09:53:28,502 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 09:53:28,503 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 09:53:28,505 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 09:53:28,506 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 09:53:28,506 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 09:53:28,507 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 09:53:28,507 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 09:53:28,508 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 09:53:28,509 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 09:53:28,509 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 09:53:28,510 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 09:53:28,511 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 09:53:28,512 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 09:53:28,512 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 09:53:28,513 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 09:53:28,513 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 09:53:28,513 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 09:53:28,514 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 09:53:28,516 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 09:53:28,543 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 09:53:28,555 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 09:53:28,558 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 09:53:28,560 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 09:53:28,560 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 09:53:28,561 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/BoogiePL/sifa/enter-call-in-loop.bpl [2019-08-05 09:53:28,561 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/BoogiePL/sifa/enter-call-in-loop.bpl' [2019-08-05 09:53:28,596 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 09:53:28,598 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 09:53:28,599 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 09:53:28,599 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 09:53:28,599 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 09:53:28,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "enter-call-in-loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:28" (1/1) ... [2019-08-05 09:53:28,623 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "enter-call-in-loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:28" (1/1) ... [2019-08-05 09:53:28,629 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 09:53:28,629 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 09:53:28,629 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 09:53:28,640 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 09:53:28,641 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 09:53:28,641 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 09:53:28,642 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 09:53:28,655 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "enter-call-in-loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:28" (1/1) ... [2019-08-05 09:53:28,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "enter-call-in-loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:28" (1/1) ... [2019-08-05 09:53:28,656 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "enter-call-in-loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:28" (1/1) ... [2019-08-05 09:53:28,656 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "enter-call-in-loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:28" (1/1) ... [2019-08-05 09:53:28,657 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "enter-call-in-loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:28" (1/1) ... [2019-08-05 09:53:28,660 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "enter-call-in-loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:28" (1/1) ... [2019-08-05 09:53:28,661 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "enter-call-in-loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:28" (1/1) ... [2019-08-05 09:53:28,662 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 09:53:28,662 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 09:53:28,662 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 09:53:28,663 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 09:53:28,664 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "enter-call-in-loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:28" (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 09:53:28,733 INFO L124 BoogieDeclarations]: Specification and implementation of procedure sub given in one single declaration [2019-08-05 09:53:28,734 INFO L130 BoogieDeclarations]: Found specification of procedure sub [2019-08-05 09:53:28,734 INFO L138 BoogieDeclarations]: Found implementation of procedure sub [2019-08-05 09:53:28,734 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 09:53:28,734 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 09:53:28,735 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 09:53:28,897 INFO L275 CfgBuilder]: Using library mode [2019-08-05 09:53:28,898 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-08-05 09:53:28,899 INFO L202 PluginConnector]: Adding new model enter-call-in-loop.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 09:53:28 BoogieIcfgContainer [2019-08-05 09:53:28,899 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 09:53:28,900 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 09:53:28,901 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 09:53:28,904 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 09:53:28,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "enter-call-in-loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:28" (1/2) ... [2019-08-05 09:53:28,905 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ee955e7 and model type enter-call-in-loop.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 09:53:28, skipping insertion in model container [2019-08-05 09:53:28,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "enter-call-in-loop.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 09:53:28" (2/2) ... [2019-08-05 09:53:28,907 INFO L109 eAbstractionObserver]: Analyzing ICFG enter-call-in-loop.bpl [2019-08-05 09:53:28,917 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 09:53:28,924 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-08-05 09:53:28,941 INFO L252 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-08-05 09:53:28,969 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 09:53:28,969 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 09:53:28,970 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 09:53:28,970 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 09:53:28,970 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 09:53:28,970 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 09:53:28,970 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 09:53:28,971 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 09:53:28,971 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 09:53:28,985 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2019-08-05 09:53:28,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2019-08-05 09:53:28,992 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 09:53:28,993 INFO L399 BasicCegarLoop]: trace histogram [1] [2019-08-05 09:53:28,998 INFO L418 AbstractCegarLoop]: === Iteration 1 === [subErr0ASSERT_VIOLATIONASSERT, mainErr1ASSERT_VIOLATIONASSERT, mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 09:53:29,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 09:53:29,005 INFO L82 PathProgramCache]: Analyzing trace with hash 31, now seen corresponding path program 1 times [2019-08-05 09:53:29,045 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 09:53:29,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 09:53:29,060 INFO L256 TraceCheckSpWp]: Trace formula consists of 3 conjuncts, 1 conjunts are in the unsatisfiable core [2019-08-05 09:53:29,064 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 09:53:29,068 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 09:53:29,070 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 09:53:29,070 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2019-08-05 09:53:29,073 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-08-05 09:53:29,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-08-05 09:53:29,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-08-05 09:53:29,086 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 2 states. [2019-08-05 09:53:29,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 09:53:29,097 INFO L93 Difference]: Finished difference Result 4 states and 3 transitions. [2019-08-05 09:53:29,097 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-08-05 09:53:29,099 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1 [2019-08-05 09:53:29,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 09:53:29,107 INFO L225 Difference]: With dead ends: 4 [2019-08-05 09:53:29,107 INFO L226 Difference]: Without dead ends: 0 [2019-08-05 09:53:29,109 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 09:53:29,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-08-05 09:53:29,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-08-05 09:53:29,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-08-05 09:53:29,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-08-05 09:53:29,133 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1 [2019-08-05 09:53:29,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 09:53:29,134 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-08-05 09:53:29,134 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-08-05 09:53:29,134 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-08-05 09:53:29,134 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-08-05 09:53:29,139 INFO L202 PluginConnector]: Adding new model enter-call-in-loop.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 09:53:29 BoogieIcfgContainer [2019-08-05 09:53:29,139 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 09:53:29,142 INFO L168 Benchmark]: Toolchain (without parser) took 543.56 ms. Allocated memory is still 140.0 MB. Free memory was 108.4 MB in the beginning and 80.7 MB in the end (delta: 27.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. [2019-08-05 09:53:29,143 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 140.0 MB. Free memory is still 109.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 09:53:29,145 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.18 ms. Allocated memory is still 140.0 MB. Free memory was 108.4 MB in the beginning and 106.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 09:53:29,146 INFO L168 Benchmark]: Boogie Preprocessor took 20.62 ms. Allocated memory is still 140.0 MB. Free memory was 106.1 MB in the beginning and 104.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-08-05 09:53:29,147 INFO L168 Benchmark]: RCFGBuilder took 236.50 ms. Allocated memory is still 140.0 MB. Free memory was 104.9 MB in the beginning and 96.7 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 7.1 GB. [2019-08-05 09:53:29,149 INFO L168 Benchmark]: TraceAbstraction took 238.95 ms. Allocated memory is still 140.0 MB. Free memory was 96.3 MB in the beginning and 80.7 MB in the end (delta: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 7.1 GB. [2019-08-05 09:53:29,155 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 0.21 ms. Allocated memory is still 140.0 MB. Free memory is still 109.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 42.18 ms. Allocated memory is still 140.0 MB. Free memory was 108.4 MB in the beginning and 106.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 20.62 ms. Allocated memory is still 140.0 MB. Free memory was 106.1 MB in the beginning and 104.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 236.50 ms. Allocated memory is still 140.0 MB. Free memory was 104.9 MB in the beginning and 96.7 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 238.95 ms. Allocated memory is still 140.0 MB. Free memory was 96.3 MB in the beginning and 80.7 MB in the end (delta: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 11]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 6]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 11]: 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, 7 locations, 3 error locations. SAFE Result, 0.1s 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=7occurred 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...