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/20181010-MemSafetyPathprograms/alternating_list_true-unreach-call_true-valid-memsafety.i_33.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:04:12,870 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:04:12,872 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:04:12,884 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:04:12,885 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:04:12,886 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:04:12,887 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:04:12,889 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:04:12,890 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:04:12,891 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:04:12,892 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:04:12,893 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:04:12,893 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:04:12,894 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:04:12,895 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:04:12,896 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:04:12,897 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:04:12,898 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:04:12,900 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:04:12,902 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:04:12,903 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:04:12,905 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:04:12,906 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:04:12,907 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:04:12,909 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:04:12,910 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:04:12,910 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:04:12,911 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:04:12,911 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:04:12,913 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:04:12,913 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:04:12,914 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:04:12,914 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:04:12,915 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:04:12,916 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:04:12,917 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:04:12,917 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:04:12,918 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:04:12,918 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:04:12,919 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:04:12,920 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:04:12,948 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:04:12,963 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:04:12,967 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:04:12,968 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:04:12,969 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:04:12,969 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/alternating_list_true-unreach-call_true-valid-memsafety.i_33.bpl [2019-08-05 11:04:12,970 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/alternating_list_true-unreach-call_true-valid-memsafety.i_33.bpl' [2019-08-05 11:04:13,031 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:04:13,033 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 11:04:13,034 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 11:04:13,034 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 11:04:13,035 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 11:04:13,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "alternating_list_true-unreach-call_true-valid-memsafety.i_33.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:04:13" (1/1) ... [2019-08-05 11:04:13,072 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "alternating_list_true-unreach-call_true-valid-memsafety.i_33.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:04:13" (1/1) ... [2019-08-05 11:04:13,092 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 11:04:13,093 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:04:13,094 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:04:13,094 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:04:13,105 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "alternating_list_true-unreach-call_true-valid-memsafety.i_33.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:04:13" (1/1) ... [2019-08-05 11:04:13,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "alternating_list_true-unreach-call_true-valid-memsafety.i_33.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:04:13" (1/1) ... [2019-08-05 11:04:13,111 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "alternating_list_true-unreach-call_true-valid-memsafety.i_33.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:04:13" (1/1) ... [2019-08-05 11:04:13,112 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "alternating_list_true-unreach-call_true-valid-memsafety.i_33.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:04:13" (1/1) ... [2019-08-05 11:04:13,125 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "alternating_list_true-unreach-call_true-valid-memsafety.i_33.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:04:13" (1/1) ... [2019-08-05 11:04:13,135 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "alternating_list_true-unreach-call_true-valid-memsafety.i_33.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:04:13" (1/1) ... [2019-08-05 11:04:13,142 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "alternating_list_true-unreach-call_true-valid-memsafety.i_33.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:04:13" (1/1) ... [2019-08-05 11:04:13,146 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:04:13,152 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:04:13,152 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:04:13,152 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:04:13,153 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "alternating_list_true-unreach-call_true-valid-memsafety.i_33.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:04:13" (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 11:04:13,222 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 11:04:13,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 11:04:13,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 11:04:13,649 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 11:04:13,649 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 11:04:13,651 INFO L202 PluginConnector]: Adding new model alternating_list_true-unreach-call_true-valid-memsafety.i_33.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:04:13 BoogieIcfgContainer [2019-08-05 11:04:13,651 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:04:13,656 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 11:04:13,656 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 11:04:13,659 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 11:04:13,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "alternating_list_true-unreach-call_true-valid-memsafety.i_33.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:04:13" (1/2) ... [2019-08-05 11:04:13,661 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60f03f15 and model type alternating_list_true-unreach-call_true-valid-memsafety.i_33.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 11:04:13, skipping insertion in model container [2019-08-05 11:04:13,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "alternating_list_true-unreach-call_true-valid-memsafety.i_33.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:04:13" (2/2) ... [2019-08-05 11:04:13,663 INFO L109 eAbstractionObserver]: Analyzing ICFG alternating_list_true-unreach-call_true-valid-memsafety.i_33.bpl [2019-08-05 11:04:13,672 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 11:04:13,680 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-08-05 11:04:13,697 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-08-05 11:04:13,723 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 11:04:13,724 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 11:04:13,724 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 11:04:13,725 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 11:04:13,725 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 11:04:13,725 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 11:04:13,725 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 11:04:13,725 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 11:04:13,726 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 11:04:13,740 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2019-08-05 11:04:13,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-08-05 11:04:13,749 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 11:04:13,750 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-08-05 11:04:13,752 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 11:04:13,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 11:04:13,758 INFO L82 PathProgramCache]: Analyzing trace with hash 889539531, now seen corresponding path program 1 times [2019-08-05 11:04:13,807 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 11:04:13,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 11:04:13,875 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 1 conjunts are in the unsatisfiable core [2019-08-05 11:04:13,880 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 11:04:13,892 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 11:04:13,894 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 11:04:13,894 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-08-05 11:04:13,898 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-08-05 11:04:13,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-08-05 11:04:13,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-08-05 11:04:13,915 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 2 states. [2019-08-05 11:04:13,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 11:04:13,929 INFO L93 Difference]: Finished difference Result 5 states and 6 transitions. [2019-08-05 11:04:13,929 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-08-05 11:04:13,930 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2019-08-05 11:04:13,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 11:04:13,939 INFO L225 Difference]: With dead ends: 5 [2019-08-05 11:04:13,940 INFO L226 Difference]: Without dead ends: 0 [2019-08-05 11:04:13,942 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 5 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 11:04:13,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-08-05 11:04:13,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-08-05 11:04:13,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-08-05 11:04:13,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-08-05 11:04:13,969 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2019-08-05 11:04:13,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 11:04:13,969 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-08-05 11:04:13,969 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-08-05 11:04:13,970 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-08-05 11:04:13,970 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-08-05 11:04:13,975 INFO L202 PluginConnector]: Adding new model alternating_list_true-unreach-call_true-valid-memsafety.i_33.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 11:04:13 BoogieIcfgContainer [2019-08-05 11:04:13,975 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 11:04:13,978 INFO L168 Benchmark]: Toolchain (without parser) took 944.08 ms. Allocated memory is still 134.7 MB. Free memory was 111.5 MB in the beginning and 73.6 MB in the end (delta: 38.0 MB). Peak memory consumption was 38.0 MB. Max. memory is 7.1 GB. [2019-08-05 11:04:13,979 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 134.7 MB. Free memory is still 113.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 11:04:13,981 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.87 ms. Allocated memory is still 134.7 MB. Free memory was 111.5 MB in the beginning and 109.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-05 11:04:13,982 INFO L168 Benchmark]: Boogie Preprocessor took 52.67 ms. Allocated memory is still 134.7 MB. Free memory was 109.4 MB in the beginning and 108.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-08-05 11:04:13,983 INFO L168 Benchmark]: RCFGBuilder took 499.45 ms. Allocated memory is still 134.7 MB. Free memory was 108.1 MB in the beginning and 91.4 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 7.1 GB. [2019-08-05 11:04:13,985 INFO L168 Benchmark]: TraceAbstraction took 319.82 ms. Allocated memory is still 134.7 MB. Free memory was 91.0 MB in the beginning and 73.6 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 7.1 GB. [2019-08-05 11:04:13,989 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 134.7 MB. Free memory is still 113.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 58.87 ms. Allocated memory is still 134.7 MB. Free memory was 111.5 MB in the beginning and 109.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 52.67 ms. Allocated memory is still 134.7 MB. Free memory was 109.4 MB in the beginning and 108.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 499.45 ms. Allocated memory is still 134.7 MB. Free memory was 108.1 MB in the beginning and 91.4 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 319.82 ms. Allocated memory is still 134.7 MB. Free memory was 91.0 MB in the beginning and 73.6 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 226]: 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, 8 locations, 1 error locations. SAFE Result, 0.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 6 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 5 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, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 25 SizeOfPredicates, 0 NumberOfNonLiveVariables, 77 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...