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/20170304-DifficultPathPrograms/array.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-04 21:27:59,541 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-04 21:27:59,545 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-04 21:27:59,561 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-04 21:27:59,561 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-04 21:27:59,562 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-04 21:27:59,564 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-04 21:27:59,566 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-04 21:27:59,569 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-04 21:27:59,570 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-04 21:27:59,578 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-04 21:27:59,579 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-04 21:27:59,579 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-04 21:27:59,580 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-04 21:27:59,581 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-04 21:27:59,582 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-04 21:27:59,583 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-04 21:27:59,584 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-04 21:27:59,585 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-04 21:27:59,587 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-04 21:27:59,589 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-04 21:27:59,590 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-04 21:27:59,592 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-04 21:27:59,593 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-04 21:27:59,596 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-04 21:27:59,597 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-04 21:27:59,597 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-04 21:27:59,598 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-04 21:27:59,599 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-04 21:27:59,603 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-04 21:27:59,603 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-04 21:27:59,604 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-04 21:27:59,606 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-04 21:27:59,607 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-04 21:27:59,609 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-04 21:27:59,609 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-04 21:27:59,610 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-04 21:27:59,610 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-04 21:27:59,611 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-04 21:27:59,612 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-04 21:27:59,614 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-04 21:27:59,647 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-04 21:27:59,660 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-04 21:27:59,663 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-04 21:27:59,664 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-04 21:27:59,665 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-04 21:27:59,666 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/array.i_3.bpl [2019-08-04 21:27:59,666 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/array.i_3.bpl' [2019-08-04 21:27:59,715 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-04 21:27:59,717 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-04 21:27:59,718 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-04 21:27:59,718 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-04 21:27:59,718 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-04 21:27:59,736 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:27:59" (1/1) ... [2019-08-04 21:27:59,747 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:27:59" (1/1) ... [2019-08-04 21:27:59,755 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-04 21:27:59,756 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-04 21:27:59,756 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-04 21:27:59,756 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-04 21:27:59,767 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:27:59" (1/1) ... [2019-08-04 21:27:59,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:27:59" (1/1) ... [2019-08-04 21:27:59,768 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:27:59" (1/1) ... [2019-08-04 21:27:59,768 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:27:59" (1/1) ... [2019-08-04 21:27:59,772 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:27:59" (1/1) ... [2019-08-04 21:27:59,774 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:27:59" (1/1) ... [2019-08-04 21:27:59,776 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:27:59" (1/1) ... [2019-08-04 21:27:59,780 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-04 21:27:59,780 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-04 21:27:59,780 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-04 21:27:59,781 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-04 21:27:59,782 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:27:59" (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 [2019-08-04 21:27:59,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-04 21:27:59,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-04 21:28:00,046 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-04 21:28:00,047 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-04 21:28:00,048 INFO L202 PluginConnector]: Adding new model array.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 09:28:00 BoogieIcfgContainer [2019-08-04 21:28:00,048 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-04 21:28:00,049 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-04 21:28:00,049 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-04 21:28:00,052 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-04 21:28:00,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:27:59" (1/2) ... [2019-08-04 21:28:00,054 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34a7b335 and model type array.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.08 09:28:00, skipping insertion in model container [2019-08-04 21:28:00,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 09:28:00" (2/2) ... [2019-08-04 21:28:00,056 INFO L109 eAbstractionObserver]: Analyzing ICFG array.i_3.bpl [2019-08-04 21:28:00,065 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-04 21:28:00,071 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-08-04 21:28:00,085 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-08-04 21:28:00,109 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-04 21:28:00,110 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-04 21:28:00,110 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-04 21:28:00,110 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-04 21:28:00,110 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-04 21:28:00,111 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-04 21:28:00,111 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-04 21:28:00,111 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-04 21:28:00,111 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-04 21:28:00,125 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. [2019-08-04 21:28:00,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-08-04 21:28:00,133 INFO L391 BasicCegarLoop]: Found error trace [2019-08-04 21:28:00,134 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-08-04 21:28:00,137 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-08-04 21:28:00,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-04 21:28:00,143 INFO L82 PathProgramCache]: Analyzing trace with hash 29955, now seen corresponding path program 1 times [2019-08-04 21:28:00,187 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-04 21:28:00,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-04 21:28:00,240 INFO L256 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 5 conjunts are in the unsatisfiable core [2019-08-04 21:28:00,243 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-04 21:28:00,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-04 21:28:00,323 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-04 21:28:00,324 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-08-04 21:28:00,328 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-08-04 21:28:00,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-08-04 21:28:00,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-04 21:28:00,348 INFO L87 Difference]: Start difference. First operand 5 states. Second operand 3 states. [2019-08-04 21:28:00,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-04 21:28:00,419 INFO L93 Difference]: Finished difference Result 5 states and 5 transitions. [2019-08-04 21:28:00,420 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-08-04 21:28:00,422 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2019-08-04 21:28:00,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-04 21:28:00,434 INFO L225 Difference]: With dead ends: 5 [2019-08-04 21:28:00,434 INFO L226 Difference]: Without dead ends: 5 [2019-08-04 21:28:00,436 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 [2019-08-04 21:28:00,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states. [2019-08-04 21:28:00,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2019-08-04 21:28:00,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-08-04 21:28:00,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2019-08-04 21:28:00,476 INFO L78 Accepts]: Start accepts. Automaton has 5 states and 5 transitions. Word has length 3 [2019-08-04 21:28:00,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-04 21:28:00,477 INFO L475 AbstractCegarLoop]: Abstraction has 5 states and 5 transitions. [2019-08-04 21:28:00,478 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-08-04 21:28:00,478 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2019-08-04 21:28:00,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-08-04 21:28:00,484 INFO L391 BasicCegarLoop]: Found error trace [2019-08-04 21:28:00,486 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-08-04 21:28:00,490 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-08-04 21:28:00,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-04 21:28:00,493 INFO L82 PathProgramCache]: Analyzing trace with hash 930412, now seen corresponding path program 1 times [2019-08-04 21:28:00,497 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-04 21:28:00,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-04 21:28:00,566 INFO L256 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 9 conjunts are in the unsatisfiable core [2019-08-04 21:28:00,567 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-04 21:28:00,709 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 [2019-08-04 21:28:00,710 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-04 21:28:00,786 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-04 21:28:00,787 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-04 21:28:00,787 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2019-08-04 21:28:00,818 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-04 21:28:00,818 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-04 21:28:00,818 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2019-08-04 21:28:00,820 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-08-04 21:28:00,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-08-04 21:28:00,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-08-04 21:28:00,821 INFO L87 Difference]: Start difference. First operand 5 states and 5 transitions. Second operand 4 states. [2019-08-04 21:28:00,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-04 21:28:00,856 INFO L93 Difference]: Finished difference Result 3 states and 3 transitions. [2019-08-04 21:28:00,856 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-08-04 21:28:00,856 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2019-08-04 21:28:00,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-04 21:28:00,857 INFO L225 Difference]: With dead ends: 3 [2019-08-04 21:28:00,857 INFO L226 Difference]: Without dead ends: 0 [2019-08-04 21:28:00,858 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-08-04 21:28:00,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-08-04 21:28:00,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-08-04 21:28:00,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-08-04 21:28:00,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-08-04 21:28:00,859 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2019-08-04 21:28:00,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-04 21:28:00,860 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-08-04 21:28:00,860 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-08-04 21:28:00,860 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-08-04 21:28:00,860 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-08-04 21:28:00,866 INFO L202 PluginConnector]: Adding new model array.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.08 09:28:00 BoogieIcfgContainer [2019-08-04 21:28:00,866 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-04 21:28:00,868 INFO L168 Benchmark]: Toolchain (without parser) took 1151.25 ms. Allocated memory is still 133.7 MB. Free memory was 111.3 MB in the beginning and 70.3 MB in the end (delta: 41.0 MB). Peak memory consumption was 41.0 MB. Max. memory is 7.1 GB. [2019-08-04 21:28:00,869 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 133.7 MB. Free memory was 112.5 MB in the beginning and 112.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-04 21:28:00,871 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.94 ms. Allocated memory is still 133.7 MB. Free memory was 111.1 MB in the beginning and 109.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-08-04 21:28:00,872 INFO L168 Benchmark]: Boogie Preprocessor took 23.95 ms. Allocated memory is still 133.7 MB. Free memory was 109.4 MB in the beginning and 108.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-08-04 21:28:00,873 INFO L168 Benchmark]: RCFGBuilder took 267.70 ms. Allocated memory is still 133.7 MB. Free memory was 108.2 MB in the beginning and 98.4 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-08-04 21:28:00,874 INFO L168 Benchmark]: TraceAbstraction took 817.25 ms. Allocated memory is still 133.7 MB. Free memory was 98.2 MB in the beginning and 70.3 MB in the end (delta: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB. [2019-08-04 21:28:00,882 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 133.7 MB. Free memory was 112.5 MB in the beginning and 112.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 37.94 ms. Allocated memory is still 133.7 MB. Free memory was 111.1 MB in the beginning and 109.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 23.95 ms. Allocated memory is still 133.7 MB. Free memory was 109.4 MB in the beginning and 108.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 267.70 ms. Allocated memory is still 133.7 MB. Free memory was 108.2 MB in the beginning and 98.4 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 817.25 ms. Allocated memory is still 133.7 MB. Free memory was 98.2 MB in the beginning and 70.3 MB in the end (delta: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 52]: 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, 0.7s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4 SDtfs, 0 SDslu, 1 SDs, 0 SdLazy, 8 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s 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, 0.3s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 43 SizeOfPredicates, 6 NumberOfNonLiveVariables, 45 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 0/1 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...