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/arrays/array_overwrite.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:09:12,747 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:09:12,749 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:09:12,761 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:09:12,761 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:09:12,762 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:09:12,764 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:09:12,766 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:09:12,767 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:09:12,768 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:09:12,769 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:09:12,770 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:09:12,770 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:09:12,771 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:09:12,772 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:09:12,774 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:09:12,775 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:09:12,776 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:09:12,778 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:09:12,780 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:09:12,782 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:09:12,784 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:09:12,785 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:09:12,786 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:09:12,789 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:09:12,789 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:09:12,789 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:09:12,790 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:09:12,791 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:09:12,792 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:09:12,793 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:09:12,794 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:09:12,795 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:09:12,795 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:09:12,797 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:09:12,797 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:09:12,798 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:09:12,798 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:09:12,798 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:09:12,799 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:09:12,800 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:09:12,828 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:09:12,841 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:09:12,844 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:09:12,846 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:09:12,846 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:09:12,847 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/arrays/array_overwrite.bpl [2019-08-05 11:09:12,847 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/arrays/array_overwrite.bpl' [2019-08-05 11:09:12,876 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:09:12,878 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 11:09:12,879 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 11:09:12,879 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 11:09:12,879 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 11:09:12,896 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array_overwrite.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:09:12" (1/1) ... [2019-08-05 11:09:12,906 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array_overwrite.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:09:12" (1/1) ... [2019-08-05 11:09:12,912 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 11:09:12,913 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 11:09:12,913 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 11:09:12,915 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 11:09:12,916 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:09:12,916 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:09:12,917 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:09:12,928 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array_overwrite.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:09:12" (1/1) ... [2019-08-05 11:09:12,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array_overwrite.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:09:12" (1/1) ... [2019-08-05 11:09:12,929 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array_overwrite.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:09:12" (1/1) ... [2019-08-05 11:09:12,929 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array_overwrite.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:09:12" (1/1) ... [2019-08-05 11:09:12,931 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array_overwrite.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:09:12" (1/1) ... [2019-08-05 11:09:12,936 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array_overwrite.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:09:12" (1/1) ... [2019-08-05 11:09:12,937 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array_overwrite.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:09:12" (1/1) ... [2019-08-05 11:09:12,938 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:09:12,939 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:09:12,939 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:09:12,939 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:09:12,940 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array_overwrite.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:09:12" (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 11:09:13,014 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 11:09:13,014 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 11:09:13,015 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 11:09:13,267 INFO L275 CfgBuilder]: Using library mode [2019-08-05 11:09:13,267 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 11:09:13,269 INFO L202 PluginConnector]: Adding new model array_overwrite.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:09:13 BoogieIcfgContainer [2019-08-05 11:09:13,269 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:09:13,271 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 11:09:13,271 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 11:09:13,274 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 11:09:13,274 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array_overwrite.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:09:12" (1/2) ... [2019-08-05 11:09:13,275 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55c55f32 and model type array_overwrite.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 11:09:13, skipping insertion in model container [2019-08-05 11:09:13,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array_overwrite.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:09:13" (2/2) ... [2019-08-05 11:09:13,277 INFO L109 eAbstractionObserver]: Analyzing ICFG array_overwrite.bpl [2019-08-05 11:09:13,288 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 11:09:13,295 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-08-05 11:09:13,314 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-08-05 11:09:13,341 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 11:09:13,342 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 11:09:13,342 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 11:09:13,342 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 11:09:13,342 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 11:09:13,343 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 11:09:13,343 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 11:09:13,343 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 11:09:13,343 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 11:09:13,358 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. [2019-08-05 11:09:13,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-08-05 11:09:13,368 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 11:09:13,369 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-08-05 11:09:13,371 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 11:09:13,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 11:09:13,378 INFO L82 PathProgramCache]: Analyzing trace with hash 29984, now seen corresponding path program 1 times [2019-08-05 11:09:13,425 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 11:09:13,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 11:09:13,458 INFO L256 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 3 conjunts are in the unsatisfiable core [2019-08-05 11:09:13,462 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 11:09:13,532 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 11:09:13,535 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 11:09:13,535 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-08-05 11:09:13,540 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-08-05 11:09:13,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-08-05 11:09:13,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 11:09:13,558 INFO L87 Difference]: Start difference. First operand 5 states. Second operand 3 states. [2019-08-05 11:09:13,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 11:09:13,606 INFO L93 Difference]: Finished difference Result 6 states and 6 transitions. [2019-08-05 11:09:13,607 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-08-05 11:09:13,609 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2019-08-05 11:09:13,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 11:09:13,621 INFO L225 Difference]: With dead ends: 6 [2019-08-05 11:09:13,622 INFO L226 Difference]: Without dead ends: 5 [2019-08-05 11:09:13,624 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 11:09:13,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states. [2019-08-05 11:09:13,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2019-08-05 11:09:13,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-08-05 11:09:13,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2019-08-05 11:09:13,688 INFO L78 Accepts]: Start accepts. Automaton has 5 states and 5 transitions. Word has length 3 [2019-08-05 11:09:13,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 11:09:13,689 INFO L475 AbstractCegarLoop]: Abstraction has 5 states and 5 transitions. [2019-08-05 11:09:13,690 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-08-05 11:09:13,690 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2019-08-05 11:09:13,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-08-05 11:09:13,691 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 11:09:13,694 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-08-05 11:09:13,695 INFO L418 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 11:09:13,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 11:09:13,696 INFO L82 PathProgramCache]: Analyzing trace with hash 927558, now seen corresponding path program 1 times [2019-08-05 11:09:13,703 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 11:09:13,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 11:09:13,725 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core [2019-08-05 11:09:13,726 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 11:09:13,829 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-05 11:09:13,830 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 11:09:13,847 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:09:13,848 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 11:09:13,848 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-08-05 11:09:13,869 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 11:09:13,869 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 11:09:13,870 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-08-05 11:09:13,872 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-08-05 11:09:13,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-08-05 11:09:13,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 11:09:13,874 INFO L87 Difference]: Start difference. First operand 5 states and 5 transitions. Second operand 3 states. [2019-08-05 11:09:13,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 11:09:13,887 INFO L93 Difference]: Finished difference Result 4 states and 4 transitions. [2019-08-05 11:09:13,888 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-08-05 11:09:13,888 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-08-05 11:09:13,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 11:09:13,889 INFO L225 Difference]: With dead ends: 4 [2019-08-05 11:09:13,889 INFO L226 Difference]: Without dead ends: 0 [2019-08-05 11:09:13,890 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 11:09:13,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-08-05 11:09:13,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-08-05 11:09:13,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-08-05 11:09:13,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-08-05 11:09:13,891 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2019-08-05 11:09:13,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 11:09:13,892 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-08-05 11:09:13,892 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-08-05 11:09:13,892 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-08-05 11:09:13,892 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-08-05 11:09:13,898 INFO L202 PluginConnector]: Adding new model array_overwrite.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 11:09:13 BoogieIcfgContainer [2019-08-05 11:09:13,898 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 11:09:13,900 INFO L168 Benchmark]: Toolchain (without parser) took 1021.92 ms. Allocated memory is still 132.6 MB. Free memory was 110.3 MB in the beginning and 72.8 MB in the end (delta: 37.4 MB). Peak memory consumption was 37.4 MB. Max. memory is 7.1 GB. [2019-08-05 11:09:13,901 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 132.6 MB. Free memory is still 111.1 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 11:09:13,903 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.95 ms. Allocated memory is still 132.6 MB. Free memory was 110.3 MB in the beginning and 108.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-05 11:09:13,904 INFO L168 Benchmark]: Boogie Preprocessor took 22.10 ms. Allocated memory is still 132.6 MB. Free memory was 108.2 MB in the beginning and 107.3 MB in the end (delta: 875.8 kB). Peak memory consumption was 875.8 kB. Max. memory is 7.1 GB. [2019-08-05 11:09:13,905 INFO L168 Benchmark]: RCFGBuilder took 330.12 ms. Allocated memory is still 132.6 MB. Free memory was 106.9 MB in the beginning and 97.9 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-08-05 11:09:13,906 INFO L168 Benchmark]: TraceAbstraction took 627.49 ms. Allocated memory is still 132.6 MB. Free memory was 97.5 MB in the beginning and 72.8 MB in the end (delta: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. [2019-08-05 11:09:13,911 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 132.6 MB. Free memory is still 111.1 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 36.95 ms. Allocated memory is still 132.6 MB. Free memory was 110.3 MB in the beginning and 108.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 22.10 ms. Allocated memory is still 132.6 MB. Free memory was 108.2 MB in the beginning and 107.3 MB in the end (delta: 875.8 kB). Peak memory consumption was 875.8 kB. Max. memory is 7.1 GB. * RCFGBuilder took 330.12 ms. Allocated memory is still 132.6 MB. Free memory was 106.9 MB in the beginning and 97.9 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 627.49 ms. Allocated memory is still 132.6 MB. Free memory was 97.5 MB in the beginning and 72.8 MB in the end (delta: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 20]: 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, 5 locations, 1 error locations. SAFE Result, 0.5s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 7 SDtfs, 0 SDslu, 3 SDs, 0 SdLazy, 4 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5occurred 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, 0.2s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 49 SizeOfPredicates, 2 NumberOfNonLiveVariables, 18 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 1/1 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...