java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/programs/recursive/regression/bpl/McCarthy91.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:07:24,815 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:07:24,817 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:07:24,831 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:07:24,831 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:07:24,832 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:07:24,834 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:07:24,836 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:07:24,837 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:07:24,838 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:07:24,839 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:07:24,839 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:07:24,840 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:07:24,841 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:07:24,842 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:07:24,843 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:07:24,844 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:07:24,844 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:07:24,846 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:07:24,848 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:07:24,850 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:07:24,851 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:07:24,852 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:07:24,853 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:07:24,855 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-05 11:07:24,859 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:07:24,859 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:07:24,860 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:07:24,862 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:07:24,863 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:07:24,863 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:07:24,864 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:07:24,864 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:07:24,864 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:07:24,865 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:07:24,867 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:07:24,908 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:07:24,923 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:07:24,928 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:07:24,930 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:07:24,930 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:07:24,933 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/recursive/regression/bpl/McCarthy91.bpl [2019-08-05 11:07:24,933 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/recursive/regression/bpl/McCarthy91.bpl' [2019-08-05 11:07:24,967 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:07:24,968 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 11:07:24,970 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 11:07:24,971 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 11:07:24,971 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 11:07:24,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "McCarthy91.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:24" (1/1) ... [2019-08-05 11:07:24,999 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "McCarthy91.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:24" (1/1) ... [2019-08-05 11:07:25,006 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 11:07:25,007 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 11:07:25,007 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 11:07:25,009 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 11:07:25,010 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:07:25,010 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:07:25,010 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:07:25,023 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "McCarthy91.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:24" (1/1) ... [2019-08-05 11:07:25,023 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "McCarthy91.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:24" (1/1) ... [2019-08-05 11:07:25,024 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "McCarthy91.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:24" (1/1) ... [2019-08-05 11:07:25,025 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "McCarthy91.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:24" (1/1) ... [2019-08-05 11:07:25,029 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "McCarthy91.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:24" (1/1) ... [2019-08-05 11:07:25,032 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "McCarthy91.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:24" (1/1) ... [2019-08-05 11:07:25,033 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "McCarthy91.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:24" (1/1) ... [2019-08-05 11:07:25,034 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:07:25,035 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:07:25,035 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:07:25,035 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:07:25,037 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "McCarthy91.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:24" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-08-05 11:07:25,104 INFO L130 BoogieDeclarations]: Found specification of procedure McCarthy [2019-08-05 11:07:25,104 INFO L138 BoogieDeclarations]: Found implementation of procedure McCarthy [2019-08-05 11:07:25,329 INFO L275 CfgBuilder]: Using library mode [2019-08-05 11:07:25,330 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 11:07:25,331 INFO L202 PluginConnector]: Adding new model McCarthy91.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:07:25 BoogieIcfgContainer [2019-08-05 11:07:25,331 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:07:25,333 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 11:07:25,333 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 11:07:25,336 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 11:07:25,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "McCarthy91.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:24" (1/2) ... [2019-08-05 11:07:25,338 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d1f32b8 and model type McCarthy91.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 11:07:25, skipping insertion in model container [2019-08-05 11:07:25,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "McCarthy91.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:07:25" (2/2) ... [2019-08-05 11:07:25,340 INFO L109 eAbstractionObserver]: Analyzing ICFG McCarthy91.bpl [2019-08-05 11:07:25,349 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 11:07:25,355 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-08-05 11:07:25,370 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-08-05 11:07:25,395 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 11:07:25,396 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 11:07:25,396 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 11:07:25,397 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 11:07:25,397 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 11:07:25,397 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 11:07:25,397 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 11:07:25,397 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 11:07:25,397 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 11:07:25,412 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2019-08-05 11:07:25,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-08-05 11:07:25,421 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 11:07:25,422 INFO L399 BasicCegarLoop]: trace histogram [1, 1] [2019-08-05 11:07:25,424 INFO L418 AbstractCegarLoop]: === Iteration 1 === [McCarthyErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 11:07:25,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 11:07:25,430 INFO L82 PathProgramCache]: Analyzing trace with hash 1031, now seen corresponding path program 1 times [2019-08-05 11:07:25,478 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 11:07:25,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 11:07:25,510 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjunts are in the unsatisfiable core [2019-08-05 11:07:25,514 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 11:07:25,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 11:07:25,593 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 11:07:25,593 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-08-05 11:07:25,597 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-08-05 11:07:25,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-08-05 11:07:25,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 11:07:25,611 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2019-08-05 11:07:25,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 11:07:25,709 INFO L93 Difference]: Finished difference Result 8 states and 11 transitions. [2019-08-05 11:07:25,710 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-08-05 11:07:25,711 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2019-08-05 11:07:25,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 11:07:25,726 INFO L225 Difference]: With dead ends: 8 [2019-08-05 11:07:25,727 INFO L226 Difference]: Without dead ends: 8 [2019-08-05 11:07:25,729 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 11:07:25,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2019-08-05 11:07:25,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2019-08-05 11:07:25,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-08-05 11:07:25,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 9 transitions. [2019-08-05 11:07:25,781 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 9 transitions. Word has length 2 [2019-08-05 11:07:25,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 11:07:25,782 INFO L475 AbstractCegarLoop]: Abstraction has 7 states and 9 transitions. [2019-08-05 11:07:25,782 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-08-05 11:07:25,782 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 9 transitions. [2019-08-05 11:07:25,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-08-05 11:07:25,784 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 11:07:25,785 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2019-08-05 11:07:25,785 INFO L418 AbstractCegarLoop]: === Iteration 2 === [McCarthyErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 11:07:25,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 11:07:25,786 INFO L82 PathProgramCache]: Analyzing trace with hash -1016231267, now seen corresponding path program 1 times [2019-08-05 11:07:25,787 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 11:07:25,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 11:07:25,805 INFO L256 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 11 conjunts are in the unsatisfiable core [2019-08-05 11:07:25,807 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 11:07:26,086 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-08-05 11:07:26,088 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 11:07:26,088 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2019-08-05 11:07:26,090 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-08-05 11:07:26,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-08-05 11:07:26,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-08-05 11:07:26,091 INFO L87 Difference]: Start difference. First operand 7 states and 9 transitions. Second operand 7 states. [2019-08-05 11:07:26,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 11:07:26,366 INFO L93 Difference]: Finished difference Result 9 states and 13 transitions. [2019-08-05 11:07:26,366 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-08-05 11:07:26,366 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 10 [2019-08-05 11:07:26,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 11:07:26,367 INFO L225 Difference]: With dead ends: 9 [2019-08-05 11:07:26,367 INFO L226 Difference]: Without dead ends: 0 [2019-08-05 11:07:26,368 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-08-05 11:07:26,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-08-05 11:07:26,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-08-05 11:07:26,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-08-05 11:07:26,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-08-05 11:07:26,369 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2019-08-05 11:07:26,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 11:07:26,370 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-08-05 11:07:26,370 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-08-05 11:07:26,370 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-08-05 11:07:26,370 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-08-05 11:07:26,375 INFO L202 PluginConnector]: Adding new model McCarthy91.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 11:07:26 BoogieIcfgContainer [2019-08-05 11:07:26,375 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 11:07:26,379 INFO L168 Benchmark]: Toolchain (without parser) took 1408.95 ms. Allocated memory was 140.0 MB in the beginning and 177.7 MB in the end (delta: 37.7 MB). Free memory was 109.7 MB in the beginning and 147.4 MB in the end (delta: -37.7 MB). Peak memory consumption was 71.4 kB. Max. memory is 7.1 GB. [2019-08-05 11:07:26,380 INFO L168 Benchmark]: Boogie PL CUP Parser took 2.10 ms. Allocated memory is still 140.0 MB. Free memory is still 110.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 11:07:26,381 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.15 ms. Allocated memory is still 140.0 MB. Free memory was 109.7 MB in the beginning and 107.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-05 11:07:26,382 INFO L168 Benchmark]: Boogie Preprocessor took 24.74 ms. Allocated memory is still 140.0 MB. Free memory was 107.6 MB in the beginning and 106.7 MB in the end (delta: 839.1 kB). Peak memory consumption was 839.1 kB. Max. memory is 7.1 GB. [2019-08-05 11:07:26,383 INFO L168 Benchmark]: RCFGBuilder took 296.50 ms. Allocated memory is still 140.0 MB. Free memory was 106.7 MB in the beginning and 97.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-08-05 11:07:26,384 INFO L168 Benchmark]: TraceAbstraction took 1042.69 ms. Allocated memory was 140.0 MB in the beginning and 177.7 MB in the end (delta: 37.7 MB). Free memory was 96.9 MB in the beginning and 147.4 MB in the end (delta: -50.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 11:07:26,389 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 2.10 ms. Allocated memory is still 140.0 MB. Free memory is still 110.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 39.15 ms. Allocated memory is still 140.0 MB. Free memory was 109.7 MB in the beginning and 107.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 24.74 ms. Allocated memory is still 140.0 MB. Free memory was 107.6 MB in the beginning and 106.7 MB in the end (delta: 839.1 kB). Peak memory consumption was 839.1 kB. Max. memory is 7.1 GB. * RCFGBuilder took 296.50 ms. Allocated memory is still 140.0 MB. Free memory was 106.7 MB in the beginning and 97.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1042.69 ms. Allocated memory was 140.0 MB in the beginning and 177.7 MB in the end (delta: 37.7 MB). Free memory was 96.9 MB in the beginning and 147.4 MB in the end (delta: -50.4 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 23]: 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, 0.9s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 10 SDtfs, 4 SDslu, 1 SDs, 0 SdLazy, 51 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=1, 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, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 396 SizeOfPredicates, 1 NumberOfNonLiveVariables, 32 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 5/7 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...