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/returnZero.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:07:28,950 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:07:28,954 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:07:28,971 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:07:28,971 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:07:28,972 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:07:28,974 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:07:28,976 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:07:28,978 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:07:28,979 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:07:28,980 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:07:28,980 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:07:28,980 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:07:28,982 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:07:28,983 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:07:28,984 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:07:28,985 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:07:28,986 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:07:28,988 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:07:28,990 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:07:28,992 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:07:28,994 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:07:28,995 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:07:28,996 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:07:28,999 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:07:28,999 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:07:28,999 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:07:29,001 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:07:29,001 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:07:29,004 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:07:29,004 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:07:29,005 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:07:29,008 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:07:29,010 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:07:29,012 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:07:29,013 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:07:29,014 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:07:29,014 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:07:29,014 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:07:29,016 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:07:29,017 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:07:29,077 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:07:29,095 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:07:29,101 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:07:29,103 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:07:29,104 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:07:29,105 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/recursive/regression/bpl/returnZero.bpl [2019-08-05 11:07:29,105 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/recursive/regression/bpl/returnZero.bpl' [2019-08-05 11:07:29,146 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:07:29,147 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 11:07:29,148 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 11:07:29,149 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 11:07:29,149 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 11:07:29,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "returnZero.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:29" (1/1) ... [2019-08-05 11:07:29,180 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "returnZero.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:29" (1/1) ... [2019-08-05 11:07:29,189 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 11:07:29,189 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 11:07:29,190 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 11:07:29,192 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 11:07:29,193 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:07:29,193 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:07:29,193 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:07:29,207 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "returnZero.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:29" (1/1) ... [2019-08-05 11:07:29,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "returnZero.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:29" (1/1) ... [2019-08-05 11:07:29,208 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "returnZero.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:29" (1/1) ... [2019-08-05 11:07:29,208 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "returnZero.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:29" (1/1) ... [2019-08-05 11:07:29,212 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "returnZero.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:29" (1/1) ... [2019-08-05 11:07:29,213 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "returnZero.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:29" (1/1) ... [2019-08-05 11:07:29,215 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "returnZero.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:29" (1/1) ... [2019-08-05 11:07:29,216 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:07:29,217 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:07:29,217 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:07:29,218 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:07:29,219 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "returnZero.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:29" (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 11:07:29,291 INFO L130 BoogieDeclarations]: Found specification of procedure returnZero [2019-08-05 11:07:29,291 INFO L138 BoogieDeclarations]: Found implementation of procedure returnZero [2019-08-05 11:07:29,465 INFO L275 CfgBuilder]: Using library mode [2019-08-05 11:07:29,465 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 11:07:29,466 INFO L202 PluginConnector]: Adding new model returnZero.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:07:29 BoogieIcfgContainer [2019-08-05 11:07:29,468 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:07:29,472 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 11:07:29,472 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 11:07:29,475 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 11:07:29,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "returnZero.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:29" (1/2) ... [2019-08-05 11:07:29,477 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e30e80f and model type returnZero.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 11:07:29, skipping insertion in model container [2019-08-05 11:07:29,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "returnZero.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:07:29" (2/2) ... [2019-08-05 11:07:29,479 INFO L109 eAbstractionObserver]: Analyzing ICFG returnZero.bpl [2019-08-05 11:07:29,489 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 11:07:29,498 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-08-05 11:07:29,516 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-08-05 11:07:29,544 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 11:07:29,544 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 11:07:29,544 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 11:07:29,545 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 11:07:29,545 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 11:07:29,545 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 11:07:29,545 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 11:07:29,545 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 11:07:29,546 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 11:07:29,557 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2019-08-05 11:07:29,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-08-05 11:07:29,565 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 11:07:29,566 INFO L399 BasicCegarLoop]: trace histogram [1, 1] [2019-08-05 11:07:29,569 INFO L418 AbstractCegarLoop]: === Iteration 1 === [returnZeroErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 11:07:29,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 11:07:29,574 INFO L82 PathProgramCache]: Analyzing trace with hash 1033, now seen corresponding path program 1 times [2019-08-05 11:07:29,623 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 11:07:29,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 11:07:29,650 INFO L256 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjunts are in the unsatisfiable core [2019-08-05 11:07:29,654 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 11:07:29,682 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 11:07:29,685 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 11:07:29,685 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-08-05 11:07:29,689 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-08-05 11:07:29,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-08-05 11:07:29,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 11:07:29,705 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 3 states. [2019-08-05 11:07:29,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 11:07:29,783 INFO L93 Difference]: Finished difference Result 9 states and 13 transitions. [2019-08-05 11:07:29,784 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-08-05 11:07:29,785 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2019-08-05 11:07:29,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 11:07:29,803 INFO L225 Difference]: With dead ends: 9 [2019-08-05 11:07:29,803 INFO L226 Difference]: Without dead ends: 9 [2019-08-05 11:07:29,810 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 11:07:29,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2019-08-05 11:07:29,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2019-08-05 11:07:29,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-08-05 11:07:29,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 13 transitions. [2019-08-05 11:07:29,882 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 13 transitions. Word has length 2 [2019-08-05 11:07:29,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 11:07:29,882 INFO L475 AbstractCegarLoop]: Abstraction has 9 states and 13 transitions. [2019-08-05 11:07:29,883 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-08-05 11:07:29,883 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 13 transitions. [2019-08-05 11:07:29,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-08-05 11:07:29,886 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 11:07:29,886 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-08-05 11:07:29,887 INFO L418 AbstractCegarLoop]: === Iteration 2 === [returnZeroErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 11:07:29,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 11:07:29,887 INFO L82 PathProgramCache]: Analyzing trace with hash -1645966597, now seen corresponding path program 1 times [2019-08-05 11:07:29,888 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 11:07:29,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 11:07:29,918 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjunts are in the unsatisfiable core [2019-08-05 11:07:29,920 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 11:07:30,003 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-08-05 11:07:30,004 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 11:07:30,004 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-08-05 11:07:30,006 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-08-05 11:07:30,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-08-05 11:07:30,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-08-05 11:07:30,007 INFO L87 Difference]: Start difference. First operand 9 states and 13 transitions. Second operand 4 states. [2019-08-05 11:07:30,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 11:07:30,107 INFO L93 Difference]: Finished difference Result 9 states and 16 transitions. [2019-08-05 11:07:30,108 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-08-05 11:07:30,108 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2019-08-05 11:07:30,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 11:07:30,109 INFO L225 Difference]: With dead ends: 9 [2019-08-05 11:07:30,109 INFO L226 Difference]: Without dead ends: 0 [2019-08-05 11:07:30,110 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-08-05 11:07:30,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-08-05 11:07:30,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-08-05 11:07:30,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-08-05 11:07:30,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-08-05 11:07:30,111 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2019-08-05 11:07:30,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 11:07:30,111 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-08-05 11:07:30,111 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-08-05 11:07:30,112 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-08-05 11:07:30,112 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-08-05 11:07:30,117 INFO L202 PluginConnector]: Adding new model returnZero.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 11:07:30 BoogieIcfgContainer [2019-08-05 11:07:30,117 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 11:07:30,120 INFO L168 Benchmark]: Toolchain (without parser) took 972.06 ms. Allocated memory is still 141.0 MB. Free memory was 110.6 MB in the beginning and 71.8 MB in the end (delta: 38.8 MB). Peak memory consumption was 38.8 MB. Max. memory is 7.1 GB. [2019-08-05 11:07:30,121 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 141.0 MB. Free memory is still 111.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 11:07:30,123 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.76 ms. Allocated memory is still 141.0 MB. Free memory was 110.6 MB in the beginning and 108.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-05 11:07:30,124 INFO L168 Benchmark]: Boogie Preprocessor took 24.05 ms. Allocated memory is still 141.0 MB. Free memory was 108.5 MB in the beginning and 107.6 MB in the end (delta: 872.4 kB). Peak memory consumption was 872.4 kB. Max. memory is 7.1 GB. [2019-08-05 11:07:30,125 INFO L168 Benchmark]: RCFGBuilder took 250.49 ms. Allocated memory is still 141.0 MB. Free memory was 107.6 MB in the beginning and 98.4 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-08-05 11:07:30,126 INFO L168 Benchmark]: TraceAbstraction took 645.95 ms. Allocated memory is still 141.0 MB. Free memory was 98.0 MB in the beginning and 71.8 MB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. [2019-08-05 11:07:30,130 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 0.23 ms. Allocated memory is still 141.0 MB. Free memory is still 111.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 43.76 ms. Allocated memory is still 141.0 MB. Free memory was 110.6 MB in the beginning and 108.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 24.05 ms. Allocated memory is still 141.0 MB. Free memory was 108.5 MB in the beginning and 107.6 MB in the end (delta: 872.4 kB). Peak memory consumption was 872.4 kB. Max. memory is 7.1 GB. * RCFGBuilder took 250.49 ms. Allocated memory is still 141.0 MB. Free memory was 107.6 MB in the beginning and 98.4 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 645.95 ms. Allocated memory is still 141.0 MB. Free memory was 98.0 MB in the beginning and 71.8 MB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 28]: 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, 0.5s OverallTime, 2 OverallIterations, 4 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 24 SDtfs, 3 SDslu, 25 SDs, 0 SdLazy, 7 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 428 SizeOfPredicates, 1 NumberOfNonLiveVariables, 46 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 26/26 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...