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/toy/InvariantSynthesis/Drawbacks_UnsatCores.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 10:43:43,608 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 10:43:43,610 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 10:43:43,621 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 10:43:43,622 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 10:43:43,623 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 10:43:43,624 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 10:43:43,626 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 10:43:43,628 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 10:43:43,629 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 10:43:43,631 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 10:43:43,631 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 10:43:43,632 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 10:43:43,633 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 10:43:43,636 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 10:43:43,642 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 10:43:43,643 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 10:43:43,644 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 10:43:43,649 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 10:43:43,652 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 10:43:43,654 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 10:43:43,657 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 10:43:43,658 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 10:43:43,659 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 10:43:43,661 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 10:43:43,662 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 10:43:43,662 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 10:43:43,663 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 10:43:43,663 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 10:43:43,664 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 10:43:43,664 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 10:43:43,665 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 10:43:43,665 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 10:43:43,669 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 10:43:43,670 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 10:43:43,670 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 10:43:43,670 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 10:43:43,671 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 10:43:43,671 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 10:43:43,672 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 10:43:43,672 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 10:43:43,703 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 10:43:43,715 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 10:43:43,718 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 10:43:43,719 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 10:43:43,720 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 10:43:43,721 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/InvariantSynthesis/Drawbacks_UnsatCores.bpl [2019-08-05 10:43:43,721 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/InvariantSynthesis/Drawbacks_UnsatCores.bpl' [2019-08-05 10:43:43,746 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 10:43:43,747 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 10:43:43,748 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 10:43:43,748 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 10:43:43,748 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 10:43:43,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "Drawbacks_UnsatCores.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:43:43" (1/1) ... [2019-08-05 10:43:43,774 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "Drawbacks_UnsatCores.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:43:43" (1/1) ... [2019-08-05 10:43:43,781 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 10:43:43,781 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 10:43:43,781 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 10:43:43,784 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 10:43:43,784 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 10:43:43,784 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 10:43:43,785 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 10:43:43,796 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Drawbacks_UnsatCores.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:43:43" (1/1) ... [2019-08-05 10:43:43,796 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Drawbacks_UnsatCores.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:43:43" (1/1) ... [2019-08-05 10:43:43,797 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Drawbacks_UnsatCores.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:43:43" (1/1) ... [2019-08-05 10:43:43,797 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Drawbacks_UnsatCores.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:43:43" (1/1) ... [2019-08-05 10:43:43,800 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Drawbacks_UnsatCores.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:43:43" (1/1) ... [2019-08-05 10:43:43,805 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Drawbacks_UnsatCores.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:43:43" (1/1) ... [2019-08-05 10:43:43,806 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Drawbacks_UnsatCores.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:43:43" (1/1) ... [2019-08-05 10:43:43,807 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 10:43:43,808 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 10:43:43,808 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 10:43:43,808 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 10:43:43,809 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Drawbacks_UnsatCores.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:43:43" (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 10:43:43,874 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 10:43:43,875 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 10:43:43,875 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 10:43:44,114 INFO L275 CfgBuilder]: Using library mode [2019-08-05 10:43:44,114 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-08-05 10:43:44,115 INFO L202 PluginConnector]: Adding new model Drawbacks_UnsatCores.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 10:43:44 BoogieIcfgContainer [2019-08-05 10:43:44,116 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 10:43:44,117 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 10:43:44,117 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 10:43:44,120 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 10:43:44,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "Drawbacks_UnsatCores.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:43:43" (1/2) ... [2019-08-05 10:43:44,122 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@175c28a8 and model type Drawbacks_UnsatCores.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 10:43:44, skipping insertion in model container [2019-08-05 10:43:44,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "Drawbacks_UnsatCores.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 10:43:44" (2/2) ... [2019-08-05 10:43:44,124 INFO L109 eAbstractionObserver]: Analyzing ICFG Drawbacks_UnsatCores.bpl [2019-08-05 10:43:44,131 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 10:43:44,137 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-08-05 10:43:44,149 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-08-05 10:43:44,173 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 10:43:44,174 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 10:43:44,175 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 10:43:44,175 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 10:43:44,175 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 10:43:44,175 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 10:43:44,176 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 10:43:44,176 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 10:43:44,176 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 10:43:44,192 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2019-08-05 10:43:44,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-08-05 10:43:44,201 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:43:44,202 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-08-05 10:43:44,204 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:43:44,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:43:44,210 INFO L82 PathProgramCache]: Analyzing trace with hash 28788197, now seen corresponding path program 1 times [2019-08-05 10:43:44,256 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:43:44,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:43:44,298 INFO L256 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 7 conjunts are in the unsatisfiable core [2019-08-05 10:43:44,303 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:43:44,617 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 10:43:44,620 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 10:43:44,620 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-08-05 10:43:44,625 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-08-05 10:43:44,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-08-05 10:43:44,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-08-05 10:43:44,643 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 6 states. [2019-08-05 10:43:44,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:43:44,894 INFO L93 Difference]: Finished difference Result 6 states and 8 transitions. [2019-08-05 10:43:44,895 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-08-05 10:43:44,896 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 5 [2019-08-05 10:43:44,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:43:44,907 INFO L225 Difference]: With dead ends: 6 [2019-08-05 10:43:44,907 INFO L226 Difference]: Without dead ends: 0 [2019-08-05 10:43:44,910 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2019-08-05 10:43:44,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-08-05 10:43:44,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-08-05 10:43:44,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-08-05 10:43:44,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-08-05 10:43:44,933 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2019-08-05 10:43:44,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:43:44,934 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-08-05 10:43:44,934 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-08-05 10:43:44,935 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-08-05 10:43:44,935 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-08-05 10:43:44,941 INFO L202 PluginConnector]: Adding new model Drawbacks_UnsatCores.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 10:43:44 BoogieIcfgContainer [2019-08-05 10:43:44,941 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 10:43:44,945 INFO L168 Benchmark]: Toolchain (without parser) took 1195.95 ms. Allocated memory is still 135.8 MB. Free memory was 111.2 MB in the beginning and 68.7 MB in the end (delta: 42.6 MB). Peak memory consumption was 42.6 MB. Max. memory is 7.1 GB. [2019-08-05 10:43:44,947 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 135.8 MB. Free memory was 112.5 MB in the beginning and 112.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 10:43:44,949 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.87 ms. Allocated memory is still 135.8 MB. Free memory was 111.2 MB in the beginning and 109.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-08-05 10:43:44,951 INFO L168 Benchmark]: Boogie Preprocessor took 23.18 ms. Allocated memory is still 135.8 MB. Free memory was 109.3 MB in the beginning and 108.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-08-05 10:43:44,952 INFO L168 Benchmark]: RCFGBuilder took 307.90 ms. Allocated memory is still 135.8 MB. Free memory was 108.1 MB in the beginning and 98.5 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-08-05 10:43:44,954 INFO L168 Benchmark]: TraceAbstraction took 824.53 ms. Allocated memory is still 135.8 MB. Free memory was 98.3 MB in the beginning and 68.7 MB in the end (delta: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 7.1 GB. [2019-08-05 10:43:44,961 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 135.8 MB. Free memory was 112.5 MB in the beginning and 112.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 35.87 ms. Allocated memory is still 135.8 MB. Free memory was 111.2 MB in the beginning and 109.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 23.18 ms. Allocated memory is still 135.8 MB. Free memory was 109.3 MB in the beginning and 108.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 307.90 ms. Allocated memory is still 135.8 MB. Free memory was 108.1 MB in the beginning and 98.5 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 824.53 ms. Allocated memory is still 135.8 MB. Free memory was 98.3 MB in the beginning and 68.7 MB in the end (delta: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 33]: 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, 7 locations, 1 error locations. SAFE Result, 0.7s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4 SDtfs, 13 SDslu, 6 SDs, 0 SdLazy, 10 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s 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, 0.3s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 112 SizeOfPredicates, 4 NumberOfNonLiveVariables, 15 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...