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/sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_45.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:01:37,901 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:01:37,903 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:01:37,915 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:01:37,915 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:01:37,917 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:01:37,918 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:01:37,920 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:01:37,921 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:01:37,922 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:01:37,923 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:01:37,924 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:01:37,924 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:01:37,925 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:01:37,926 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:01:37,927 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:01:37,928 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:01:37,929 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:01:37,931 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:01:37,936 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:01:37,938 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:01:37,941 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:01:37,944 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:01:37,945 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:01:37,950 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:01:37,951 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:01:37,951 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:01:37,952 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:01:37,952 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:01:37,957 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:01:37,957 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:01:37,958 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:01:37,959 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:01:37,960 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:01:37,963 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:01:37,963 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:01:37,964 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:01:37,964 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:01:37,964 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:01:37,965 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:01:37,967 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:01:38,005 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:01:38,018 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:01:38,021 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:01:38,023 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:01:38,023 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:01:38,024 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_45.bpl [2019-08-05 11:01:38,024 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_45.bpl' [2019-08-05 11:01:38,100 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:01:38,101 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 11:01:38,102 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 11:01:38,102 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 11:01:38,102 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 11:01:38,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_45.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:01:38" (1/1) ... [2019-08-05 11:01:38,148 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_45.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:01:38" (1/1) ... [2019-08-05 11:01:38,164 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 11:01:38,165 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:01:38,165 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:01:38,165 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:01:38,176 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_45.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:01:38" (1/1) ... [2019-08-05 11:01:38,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_45.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:01:38" (1/1) ... [2019-08-05 11:01:38,181 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_45.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:01:38" (1/1) ... [2019-08-05 11:01:38,181 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_45.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:01:38" (1/1) ... [2019-08-05 11:01:38,190 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_45.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:01:38" (1/1) ... [2019-08-05 11:01:38,192 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_45.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:01:38" (1/1) ... [2019-08-05 11:01:38,194 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_45.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:01:38" (1/1) ... [2019-08-05 11:01:38,197 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:01:38,198 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:01:38,198 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:01:38,198 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:01:38,199 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_45.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:01:38" (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 11:01:38,271 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 11:01:38,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 11:01:38,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 11:01:38,670 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 11:01:38,670 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 11:01:38,671 INFO L202 PluginConnector]: Adding new model sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_45.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:01:38 BoogieIcfgContainer [2019-08-05 11:01:38,672 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:01:38,673 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 11:01:38,673 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 11:01:38,676 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 11:01:38,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_45.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:01:38" (1/2) ... [2019-08-05 11:01:38,678 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36c325a3 and model type sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_45.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 11:01:38, skipping insertion in model container [2019-08-05 11:01:38,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_45.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:01:38" (2/2) ... [2019-08-05 11:01:38,680 INFO L109 eAbstractionObserver]: Analyzing ICFG sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_45.bpl [2019-08-05 11:01:38,690 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 11:01:38,699 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-08-05 11:01:38,719 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-08-05 11:01:38,751 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 11:01:38,752 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 11:01:38,752 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 11:01:38,752 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 11:01:38,753 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 11:01:38,753 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 11:01:38,753 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 11:01:38,753 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 11:01:38,754 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 11:01:38,767 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2019-08-05 11:01:38,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-08-05 11:01:38,775 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 11:01:38,776 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-08-05 11:01:38,780 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 11:01:38,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 11:01:38,787 INFO L82 PathProgramCache]: Analyzing trace with hash 925639, now seen corresponding path program 1 times [2019-08-05 11:01:38,842 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 11:01:38,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 11:01:38,922 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 1 conjunts are in the unsatisfiable core [2019-08-05 11:01:38,927 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 11:01:38,940 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 11:01:38,943 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 11:01:38,943 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-08-05 11:01:38,948 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-08-05 11:01:38,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-08-05 11:01:38,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-08-05 11:01:38,963 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 2 states. [2019-08-05 11:01:38,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 11:01:38,976 INFO L93 Difference]: Finished difference Result 3 states and 3 transitions. [2019-08-05 11:01:38,977 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-08-05 11:01:38,978 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 4 [2019-08-05 11:01:38,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 11:01:38,986 INFO L225 Difference]: With dead ends: 3 [2019-08-05 11:01:38,986 INFO L226 Difference]: Without dead ends: 0 [2019-08-05 11:01:38,989 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 3 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 11:01:39,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-08-05 11:01:39,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-08-05 11:01:39,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-08-05 11:01:39,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-08-05 11:01:39,011 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2019-08-05 11:01:39,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 11:01:39,012 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-08-05 11:01:39,012 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-08-05 11:01:39,012 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-08-05 11:01:39,013 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-08-05 11:01:39,018 INFO L202 PluginConnector]: Adding new model sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_45.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 11:01:39 BoogieIcfgContainer [2019-08-05 11:01:39,019 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 11:01:39,022 INFO L168 Benchmark]: Toolchain (without parser) took 919.11 ms. Allocated memory is still 134.2 MB. Free memory was 109.6 MB in the beginning and 71.4 MB in the end (delta: 38.3 MB). Peak memory consumption was 38.3 MB. Max. memory is 7.1 GB. [2019-08-05 11:01:39,023 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 134.2 MB. Free memory was 111.7 MB in the beginning and 111.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 11:01:39,025 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.72 ms. Allocated memory is still 134.2 MB. Free memory was 109.6 MB in the beginning and 107.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-05 11:01:39,026 INFO L168 Benchmark]: Boogie Preprocessor took 32.62 ms. Allocated memory is still 134.2 MB. Free memory was 107.7 MB in the beginning and 106.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2019-08-05 11:01:39,027 INFO L168 Benchmark]: RCFGBuilder took 473.86 ms. Allocated memory is still 134.2 MB. Free memory was 106.1 MB in the beginning and 89.2 MB in the end (delta: 16.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 7.1 GB. [2019-08-05 11:01:39,028 INFO L168 Benchmark]: TraceAbstraction took 345.52 ms. Allocated memory is still 134.2 MB. Free memory was 88.8 MB in the beginning and 71.4 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 7.1 GB. [2019-08-05 11:01:39,033 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 134.2 MB. Free memory was 111.7 MB in the beginning and 111.5 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 62.72 ms. Allocated memory is still 134.2 MB. Free memory was 109.6 MB in the beginning and 107.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 32.62 ms. Allocated memory is still 134.2 MB. Free memory was 107.7 MB in the beginning and 106.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 473.86 ms. Allocated memory is still 134.2 MB. Free memory was 106.1 MB in the beginning and 89.2 MB in the end (delta: 16.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 345.52 ms. Allocated memory is still 134.2 MB. Free memory was 88.8 MB in the beginning and 71.4 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: 211]: 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, 6 locations, 1 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, 3 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6occurred 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, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 72 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...