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/abstractInterpretation/bug-old-stmt-4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:13:59,712 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:13:59,714 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:13:59,726 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:13:59,726 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:13:59,727 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:13:59,729 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:13:59,731 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:13:59,732 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:13:59,733 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:13:59,734 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:13:59,735 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:13:59,735 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:13:59,736 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:13:59,737 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:13:59,738 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:13:59,739 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:13:59,740 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:13:59,742 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:13:59,744 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:13:59,745 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:13:59,746 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:13:59,748 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:13:59,749 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:13:59,751 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:13:59,751 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:13:59,752 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:13:59,753 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:13:59,753 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:13:59,754 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:13:59,754 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:13:59,755 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:13:59,756 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:13:59,757 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:13:59,758 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:13:59,758 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:13:59,759 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:13:59,759 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:13:59,759 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:13:59,760 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:13:59,761 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:13:59,799 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:13:59,811 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:13:59,815 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:13:59,816 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:13:59,817 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:13:59,817 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/bug-old-stmt-4.bpl [2019-08-05 11:13:59,818 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/bug-old-stmt-4.bpl' [2019-08-05 11:13:59,859 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:13:59,860 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 11:13:59,861 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 11:13:59,861 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 11:13:59,862 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 11:13:59,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bug-old-stmt-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:13:59" (1/1) ... [2019-08-05 11:13:59,887 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bug-old-stmt-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:13:59" (1/1) ... [2019-08-05 11:13:59,910 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 11:13:59,911 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:13:59,911 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:13:59,911 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:13:59,922 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bug-old-stmt-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:13:59" (1/1) ... [2019-08-05 11:13:59,922 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bug-old-stmt-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:13:59" (1/1) ... [2019-08-05 11:13:59,923 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bug-old-stmt-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:13:59" (1/1) ... [2019-08-05 11:13:59,923 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bug-old-stmt-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:13:59" (1/1) ... [2019-08-05 11:13:59,927 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bug-old-stmt-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:13:59" (1/1) ... [2019-08-05 11:13:59,934 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bug-old-stmt-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:13:59" (1/1) ... [2019-08-05 11:13:59,936 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bug-old-stmt-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:13:59" (1/1) ... [2019-08-05 11:13:59,938 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:13:59,939 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:13:59,939 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:13:59,939 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:13:59,940 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bug-old-stmt-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:13:59" (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 11:14:00,014 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 11:14:00,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 11:14:00,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 11:14:00,422 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 11:14:00,423 INFO L283 CfgBuilder]: Removed 7 assume(true) statements. [2019-08-05 11:14:00,424 INFO L202 PluginConnector]: Adding new model bug-old-stmt-4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:14:00 BoogieIcfgContainer [2019-08-05 11:14:00,424 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:14:00,426 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 11:14:00,426 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 11:14:00,429 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 11:14:00,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bug-old-stmt-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:13:59" (1/2) ... [2019-08-05 11:14:00,431 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ffea72b and model type bug-old-stmt-4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 11:14:00, skipping insertion in model container [2019-08-05 11:14:00,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bug-old-stmt-4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:14:00" (2/2) ... [2019-08-05 11:14:00,433 INFO L109 eAbstractionObserver]: Analyzing ICFG bug-old-stmt-4.bpl [2019-08-05 11:14:00,443 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 11:14:00,452 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-08-05 11:14:00,471 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-08-05 11:14:00,499 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 11:14:00,499 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 11:14:00,500 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 11:14:00,500 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 11:14:00,500 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 11:14:00,500 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 11:14:00,501 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 11:14:00,501 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 11:14:00,501 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 11:14:00,516 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2019-08-05 11:14:00,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-08-05 11:14:00,534 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 11:14:00,535 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-08-05 11:14:00,537 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 11:14:00,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 11:14:00,544 INFO L82 PathProgramCache]: Analyzing trace with hash -1570861790, now seen corresponding path program 1 times [2019-08-05 11:14:00,592 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 11:14:00,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 11:14:00,626 INFO L256 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 1 conjunts are in the unsatisfiable core [2019-08-05 11:14:00,630 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 11:14:00,645 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 11:14:00,648 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 11:14:00,649 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-08-05 11:14:00,653 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-08-05 11:14:00,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-08-05 11:14:00,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-08-05 11:14:00,668 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 2 states. [2019-08-05 11:14:00,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 11:14:00,679 INFO L93 Difference]: Finished difference Result 12 states and 13 transitions. [2019-08-05 11:14:00,680 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-08-05 11:14:00,681 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2019-08-05 11:14:00,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 11:14:00,691 INFO L225 Difference]: With dead ends: 12 [2019-08-05 11:14:00,691 INFO L226 Difference]: Without dead ends: 10 [2019-08-05 11:14:00,694 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 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 11:14:00,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2019-08-05 11:14:00,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2019-08-05 11:14:00,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-08-05 11:14:00,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11 transitions. [2019-08-05 11:14:00,727 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 11 transitions. Word has length 7 [2019-08-05 11:14:00,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 11:14:00,728 INFO L475 AbstractCegarLoop]: Abstraction has 10 states and 11 transitions. [2019-08-05 11:14:00,728 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-08-05 11:14:00,729 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2019-08-05 11:14:00,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-08-05 11:14:00,729 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 11:14:00,730 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-08-05 11:14:00,730 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 11:14:00,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 11:14:00,731 INFO L82 PathProgramCache]: Analyzing trace with hash -1451166117, now seen corresponding path program 1 times [2019-08-05 11:14:00,732 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 11:14:00,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 11:14:00,756 INFO L256 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2019-08-05 11:14:00,757 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 11:14:00,801 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 11:14:00,801 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 11:14:00,801 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-08-05 11:14:00,803 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-08-05 11:14:00,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-08-05 11:14:00,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 11:14:00,804 INFO L87 Difference]: Start difference. First operand 10 states and 11 transitions. Second operand 3 states. [2019-08-05 11:14:00,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 11:14:00,837 INFO L93 Difference]: Finished difference Result 8 states and 9 transitions. [2019-08-05 11:14:00,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-08-05 11:14:00,838 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-08-05 11:14:00,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 11:14:00,839 INFO L225 Difference]: With dead ends: 8 [2019-08-05 11:14:00,839 INFO L226 Difference]: Without dead ends: 0 [2019-08-05 11:14:00,840 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 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 11:14:00,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-08-05 11:14:00,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-08-05 11:14:00,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-08-05 11:14:00,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-08-05 11:14:00,842 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2019-08-05 11:14:00,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 11:14:00,842 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-08-05 11:14:00,842 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-08-05 11:14:00,843 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-08-05 11:14:00,843 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-08-05 11:14:00,849 INFO L202 PluginConnector]: Adding new model bug-old-stmt-4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 11:14:00 BoogieIcfgContainer [2019-08-05 11:14:00,849 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 11:14:00,852 INFO L168 Benchmark]: Toolchain (without parser) took 990.72 ms. Allocated memory is still 140.5 MB. Free memory was 108.9 MB in the beginning and 70.1 MB in the end (delta: 38.8 MB). Peak memory consumption was 38.8 MB. Max. memory is 7.1 GB. [2019-08-05 11:14:00,853 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 140.5 MB. Free memory is still 109.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 11:14:00,854 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.14 ms. Allocated memory is still 140.5 MB. Free memory was 108.4 MB in the beginning and 106.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 11:14:00,856 INFO L168 Benchmark]: Boogie Preprocessor took 27.57 ms. Allocated memory is still 140.5 MB. Free memory was 106.2 MB in the beginning and 105.3 MB in the end (delta: 900.2 kB). Peak memory consumption was 900.2 kB. Max. memory is 7.1 GB. [2019-08-05 11:14:00,857 INFO L168 Benchmark]: RCFGBuilder took 485.95 ms. Allocated memory is still 140.5 MB. Free memory was 105.3 MB in the beginning and 92.2 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. [2019-08-05 11:14:00,858 INFO L168 Benchmark]: TraceAbstraction took 423.04 ms. Allocated memory is still 140.5 MB. Free memory was 91.7 MB in the beginning and 70.1 MB in the end (delta: 21.6 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. [2019-08-05 11:14:00,862 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 140.5 MB. Free memory is still 109.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 49.14 ms. Allocated memory is still 140.5 MB. Free memory was 108.4 MB in the beginning and 106.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 27.57 ms. Allocated memory is still 140.5 MB. Free memory was 106.2 MB in the beginning and 105.3 MB in the end (delta: 900.2 kB). Peak memory consumption was 900.2 kB. Max. memory is 7.1 GB. * RCFGBuilder took 485.95 ms. Allocated memory is still 140.5 MB. Free memory was 105.3 MB in the beginning and 92.2 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 423.04 ms. Allocated memory is still 140.5 MB. Free memory was 91.7 MB in the beginning and 70.1 MB in the end (delta: 21.6 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 47]: 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, 12 locations, 1 error locations. SAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 20 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 2 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 169 SizeOfPredicates, 1 NumberOfNonLiveVariables, 52 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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...