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/eureka_01.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 10:16:41,585 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 10:16:41,587 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 10:16:41,599 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 10:16:41,599 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 10:16:41,601 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 10:16:41,602 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 10:16:41,604 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 10:16:41,606 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 10:16:41,607 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 10:16:41,608 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 10:16:41,609 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 10:16:41,609 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 10:16:41,610 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 10:16:41,612 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 10:16:41,613 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 10:16:41,614 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 10:16:41,615 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 10:16:41,617 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 10:16:41,619 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 10:16:41,621 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 10:16:41,622 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 10:16:41,623 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 10:16:41,624 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 10:16:41,627 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 10:16:41,627 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 10:16:41,627 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 10:16:41,629 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 10:16:41,629 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 10:16:41,630 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 10:16:41,631 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 10:16:41,631 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 10:16:41,632 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 10:16:41,633 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 10:16:41,635 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 10:16:41,635 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 10:16:41,636 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 10:16:41,636 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 10:16:41,636 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 10:16:41,638 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 10:16:41,638 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 10:16:41,666 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 10:16:41,681 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 10:16:41,684 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 10:16:41,686 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 10:16:41,686 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 10:16:41,688 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/eureka_01.i_3.bpl [2019-08-05 10:16:41,688 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/eureka_01.i_3.bpl' [2019-08-05 10:16:41,741 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 10:16:41,742 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 10:16:41,743 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 10:16:41,743 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 10:16:41,744 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 10:16:41,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "eureka_01.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:16:41" (1/1) ... [2019-08-05 10:16:41,772 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "eureka_01.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:16:41" (1/1) ... [2019-08-05 10:16:41,780 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 10:16:41,781 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 10:16:41,781 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 10:16:41,782 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 10:16:41,792 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "eureka_01.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:16:41" (1/1) ... [2019-08-05 10:16:41,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "eureka_01.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:16:41" (1/1) ... [2019-08-05 10:16:41,797 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "eureka_01.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:16:41" (1/1) ... [2019-08-05 10:16:41,798 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "eureka_01.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:16:41" (1/1) ... [2019-08-05 10:16:41,809 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "eureka_01.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:16:41" (1/1) ... [2019-08-05 10:16:41,814 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "eureka_01.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:16:41" (1/1) ... [2019-08-05 10:16:41,819 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "eureka_01.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:16:41" (1/1) ... [2019-08-05 10:16:41,822 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 10:16:41,823 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 10:16:41,823 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 10:16:41,823 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 10:16:41,825 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "eureka_01.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:16:41" (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 10:16:41,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 10:16:41,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 10:16:42,254 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 10:16:42,254 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-08-05 10:16:42,256 INFO L202 PluginConnector]: Adding new model eureka_01.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 10:16:42 BoogieIcfgContainer [2019-08-05 10:16:42,256 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 10:16:42,257 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 10:16:42,258 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 10:16:42,265 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 10:16:42,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "eureka_01.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:16:41" (1/2) ... [2019-08-05 10:16:42,267 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66956c99 and model type eureka_01.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 10:16:42, skipping insertion in model container [2019-08-05 10:16:42,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "eureka_01.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 10:16:42" (2/2) ... [2019-08-05 10:16:42,274 INFO L109 eAbstractionObserver]: Analyzing ICFG eureka_01.i_3.bpl [2019-08-05 10:16:42,294 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 10:16:42,308 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-08-05 10:16:42,347 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-08-05 10:16:42,372 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 10:16:42,372 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 10:16:42,373 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 10:16:42,373 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 10:16:42,373 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 10:16:42,373 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 10:16:42,373 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 10:16:42,373 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 10:16:42,374 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 10:16:42,387 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2019-08-05 10:16:42,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-08-05 10:16:42,395 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:16:42,396 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-08-05 10:16:42,399 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:16:42,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:16:42,405 INFO L82 PathProgramCache]: Analyzing trace with hash 928714, now seen corresponding path program 1 times [2019-08-05 10:16:42,451 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:16:42,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:16:42,527 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjunts are in the unsatisfiable core [2019-08-05 10:16:42,534 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:16:42,619 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 10:16:42,622 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 10:16:42,622 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-08-05 10:16:42,627 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-08-05 10:16:42,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-08-05 10:16:42,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-08-05 10:16:42,640 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 4 states. [2019-08-05 10:16:42,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:16:42,833 INFO L93 Difference]: Finished difference Result 8 states and 10 transitions. [2019-08-05 10:16:42,834 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-08-05 10:16:42,835 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2019-08-05 10:16:42,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:16:42,845 INFO L225 Difference]: With dead ends: 8 [2019-08-05 10:16:42,846 INFO L226 Difference]: Without dead ends: 7 [2019-08-05 10:16:42,847 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-08-05 10:16:42,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2019-08-05 10:16:42,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2019-08-05 10:16:42,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-08-05 10:16:42,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 8 transitions. [2019-08-05 10:16:42,874 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 8 transitions. Word has length 4 [2019-08-05 10:16:42,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:16:42,875 INFO L475 AbstractCegarLoop]: Abstraction has 7 states and 8 transitions. [2019-08-05 10:16:42,875 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-08-05 10:16:42,875 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2019-08-05 10:16:42,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-08-05 10:16:42,876 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:16:42,876 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-08-05 10:16:42,877 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:16:42,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:16:42,877 INFO L82 PathProgramCache]: Analyzing trace with hash 894131125, now seen corresponding path program 1 times [2019-08-05 10:16:42,878 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:16:42,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:16:42,928 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 11 conjunts are in the unsatisfiable core [2019-08-05 10:16:42,929 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:16:42,984 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 10:16:42,985 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:16:42,994 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:16:42,994 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:16:42,995 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-08-05 10:16:43,022 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-08-05 10:16:43,022 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:16:43,022 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2019-08-05 10:16:43,024 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-08-05 10:16:43,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-08-05 10:16:43,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-08-05 10:16:43,025 INFO L87 Difference]: Start difference. First operand 7 states and 8 transitions. Second operand 4 states. [2019-08-05 10:16:43,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:16:43,096 INFO L93 Difference]: Finished difference Result 5 states and 6 transitions. [2019-08-05 10:16:43,096 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-08-05 10:16:43,096 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2019-08-05 10:16:43,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:16:43,097 INFO L225 Difference]: With dead ends: 5 [2019-08-05 10:16:43,097 INFO L226 Difference]: Without dead ends: 0 [2019-08-05 10:16:43,098 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 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 10:16:43,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-08-05 10:16:43,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-08-05 10:16:43,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-08-05 10:16:43,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-08-05 10:16:43,099 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2019-08-05 10:16:43,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:16:43,099 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-08-05 10:16:43,099 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-08-05 10:16:43,100 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-08-05 10:16:43,100 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-08-05 10:16:43,114 INFO L202 PluginConnector]: Adding new model eureka_01.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 10:16:43 BoogieIcfgContainer [2019-08-05 10:16:43,114 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 10:16:43,118 INFO L168 Benchmark]: Toolchain (without parser) took 1373.68 ms. Allocated memory was 132.6 MB in the beginning and 172.0 MB in the end (delta: 39.3 MB). Free memory was 109.6 MB in the beginning and 150.5 MB in the end (delta: -40.8 MB). Peak memory consumption was 60.6 MB. Max. memory is 7.1 GB. [2019-08-05 10:16:43,119 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 132.6 MB. Free memory was 111.3 MB in the beginning and 111.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 10:16:43,121 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.52 ms. Allocated memory is still 132.6 MB. Free memory was 109.6 MB in the beginning and 107.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-08-05 10:16:43,122 INFO L168 Benchmark]: Boogie Preprocessor took 41.22 ms. Allocated memory is still 132.6 MB. Free memory was 107.8 MB in the beginning and 106.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-08-05 10:16:43,123 INFO L168 Benchmark]: RCFGBuilder took 432.96 ms. Allocated memory is still 132.6 MB. Free memory was 106.6 MB in the beginning and 93.9 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 7.1 GB. [2019-08-05 10:16:43,125 INFO L168 Benchmark]: TraceAbstraction took 857.04 ms. Allocated memory was 132.6 MB in the beginning and 172.0 MB in the end (delta: 39.3 MB). Free memory was 93.5 MB in the beginning and 150.5 MB in the end (delta: -57.0 MB). Peak memory consumption was 44.5 MB. Max. memory is 7.1 GB. [2019-08-05 10:16:43,132 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 0.19 ms. Allocated memory is still 132.6 MB. Free memory was 111.3 MB in the beginning and 111.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 37.52 ms. Allocated memory is still 132.6 MB. Free memory was 109.6 MB in the beginning and 107.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 41.22 ms. Allocated memory is still 132.6 MB. Free memory was 107.8 MB in the beginning and 106.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 432.96 ms. Allocated memory is still 132.6 MB. Free memory was 106.6 MB in the beginning and 93.9 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 857.04 ms. Allocated memory was 132.6 MB in the beginning and 172.0 MB in the end (delta: 39.3 MB). Free memory was 93.5 MB in the beginning and 150.5 MB in the end (delta: -57.0 MB). Peak memory consumption was 44.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 152]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. SAFE Result, 0.7s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 5 SDtfs, 1 SDslu, 1 SDs, 0 SdLazy, 17 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 116 SizeOfPredicates, 7 NumberOfNonLiveVariables, 80 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 1/2 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...