java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBpl.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/programs/regression/bpl/AutomizerBpl-nestedInterpolants.epf -i ../../../trunk/examples/programs/real-life/GripperTest-incorrect.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-935f392 [2018-07-23 13:36:26,310 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 13:36:26,312 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 13:36:26,326 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 13:36:26,326 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 13:36:26,327 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 13:36:26,329 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 13:36:26,330 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 13:36:26,332 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 13:36:26,333 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 13:36:26,334 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 13:36:26,335 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 13:36:26,336 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 13:36:26,339 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 13:36:26,341 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 13:36:26,342 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 13:36:26,348 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 13:36:26,350 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 13:36:26,355 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 13:36:26,359 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 13:36:26,360 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 13:36:26,365 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 13:36:26,371 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 13:36:26,371 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 13:36:26,371 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 13:36:26,375 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 13:36:26,377 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 13:36:26,379 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 13:36:26,380 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 13:36:26,385 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 13:36:26,385 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 13:36:26,386 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-07-23 13:36:26,390 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/AutomizerBpl-nestedInterpolants.epf [2018-07-23 13:36:26,406 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 13:36:26,407 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 13:36:26,408 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 13:36:26,408 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-07-23 13:36:26,408 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 13:36:26,408 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-07-23 13:36:26,409 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-23 13:36:26,409 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 13:36:26,473 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 13:36:26,494 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 13:36:26,498 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 13:36:26,499 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-23 13:36:26,500 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-23 13:36:26,501 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/GripperTest-incorrect.bpl [2018-07-23 13:36:26,501 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/GripperTest-incorrect.bpl' [2018-07-23 13:36:26,545 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 13:36:26,547 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-07-23 13:36:26,547 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 13:36:26,548 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 13:36:26,548 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 13:36:26,576 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "GripperTest-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:36:26" (1/1) ... [2018-07-23 13:36:26,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "GripperTest-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:36:26" (1/1) ... [2018-07-23 13:36:26,588 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "GripperTest-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:36:26" (1/1) ... [2018-07-23 13:36:26,589 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "GripperTest-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:36:26" (1/1) ... [2018-07-23 13:36:26,592 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "GripperTest-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:36:26" (1/1) ... [2018-07-23 13:36:26,597 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "GripperTest-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:36:26" (1/1) ... [2018-07-23 13:36:26,598 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "GripperTest-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:36:26" (1/1) ... [2018-07-23 13:36:26,600 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 13:36:26,601 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 13:36:26,601 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 13:36:26,601 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 13:36:26,603 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "GripperTest-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:36:26" (1/1) ... [2018-07-23 13:36:26,690 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-07-23 13:36:26,690 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-23 13:36:26,690 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-23 13:36:27,048 INFO L258 CfgBuilder]: Using library mode [2018-07-23 13:36:27,049 INFO L202 PluginConnector]: Adding new model GripperTest-incorrect.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:36:27 BoogieIcfgContainer [2018-07-23 13:36:27,049 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 13:36:27,052 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 13:36:27,052 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 13:36:27,055 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 13:36:27,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "GripperTest-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:36:26" (1/2) ... [2018-07-23 13:36:27,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@376b46f0 and model type GripperTest-incorrect.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:36:27, skipping insertion in model container [2018-07-23 13:36:27,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "GripperTest-incorrect.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:36:27" (2/2) ... [2018-07-23 13:36:27,060 INFO L112 eAbstractionObserver]: Analyzing ICFG GripperTest-incorrect.bpl [2018-07-23 13:36:27,070 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-07-23 13:36:27,079 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 13:36:27,126 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 13:36:27,127 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 13:36:27,127 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 13:36:27,127 INFO L375 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-07-23 13:36:27,127 INFO L376 AbstractCegarLoop]: Backedges is CANONICAL [2018-07-23 13:36:27,127 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 13:36:27,128 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 13:36:27,128 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 13:36:27,128 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 13:36:27,141 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. [2018-07-23 13:36:27,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-07-23 13:36:27,150 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:36:27,151 INFO L357 BasicCegarLoop]: trace histogram [1, 1] [2018-07-23 13:36:27,151 INFO L414 AbstractCegarLoop]: === Iteration 1 === [mainErr0AssertViolationINVARIANTandASSERT]=== [2018-07-23 13:36:27,157 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2018-07-23 13:36:27,163 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:36:27,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:36:27,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:36:27,225 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 13:36:27,225 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2018-07-23 13:36:27,227 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:36:27,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:36:27,228 INFO L185 omatonBuilderFactory]: Interpolants [8#true, 9#false, 10#(<= 0 main_room_y)] [2018-07-23 13:36:27,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:36:27,230 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 13:36:27,245 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 13:36:27,246 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 13:36:27,249 INFO L87 Difference]: Start difference. First operand 5 states. Second operand 3 states. [2018-07-23 13:36:27,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:36:27,288 INFO L93 Difference]: Finished difference Result 9 states and 9 transitions. [2018-07-23 13:36:27,288 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 13:36:27,290 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2018-07-23 13:36:27,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:36:27,313 INFO L225 Difference]: With dead ends: 9 [2018-07-23 13:36:27,313 INFO L226 Difference]: Without dead ends: 6 [2018-07-23 13:36:27,317 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 13:36:27,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2018-07-23 13:36:27,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 5. [2018-07-23 13:36:27,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-07-23 13:36:27,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-07-23 13:36:27,355 INFO L78 Accepts]: Start accepts. Automaton has 5 states and 5 transitions. Word has length 2 [2018-07-23 13:36:27,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:36:27,355 INFO L471 AbstractCegarLoop]: Abstraction has 5 states and 5 transitions. [2018-07-23 13:36:27,355 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 13:36:27,356 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-07-23 13:36:27,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-23 13:36:27,356 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:36:27,357 INFO L357 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-23 13:36:27,357 INFO L414 AbstractCegarLoop]: === Iteration 2 === [mainErr0AssertViolationINVARIANTandASSERT]=== [2018-07-23 13:36:27,357 INFO L82 PathProgramCache]: Analyzing trace with hash 928452, now seen corresponding path program 1 times [2018-07-23 13:36:27,357 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:36:27,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:36:27,404 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:36:27,405 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:36:27,405 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [2] total 2 [2018-07-23 13:36:27,408 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:36:27,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:36:27,409 INFO L185 omatonBuilderFactory]: Interpolants [39#true, 40#false, 41#(and (<= 0 main_room_y) main_is_room_x), 42#(<= 0 main_room_y)] [2018-07-23 13:36:27,409 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:36:27,415 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 13:36:27,415 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 13:36:27,415 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-23 13:36:27,416 INFO L87 Difference]: Start difference. First operand 5 states and 5 transitions. Second operand 4 states. [2018-07-23 13:36:27,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:36:27,465 INFO L93 Difference]: Finished difference Result 9 states and 9 transitions. [2018-07-23 13:36:27,465 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 13:36:27,465 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2018-07-23 13:36:27,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:36:27,467 INFO L225 Difference]: With dead ends: 9 [2018-07-23 13:36:27,467 INFO L226 Difference]: Without dead ends: 8 [2018-07-23 13:36:27,468 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-23 13:36:27,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2018-07-23 13:36:27,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2018-07-23 13:36:27,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-23 13:36:27,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-07-23 13:36:27,472 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-07-23 13:36:27,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:36:27,472 INFO L471 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-07-23 13:36:27,472 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 13:36:27,473 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-07-23 13:36:27,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-23 13:36:27,473 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:36:27,474 INFO L357 BasicCegarLoop]: trace histogram [2, 2, 1, 1] [2018-07-23 13:36:27,474 INFO L414 AbstractCegarLoop]: === Iteration 3 === [mainErr0AssertViolationINVARIANTandASSERT]=== [2018-07-23 13:36:27,475 INFO L82 PathProgramCache]: Analyzing trace with hash 892245381, now seen corresponding path program 2 times [2018-07-23 13:36:27,475 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:36:27,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-07-23 13:36:27,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-07-23 13:36:27,541 INFO L423 BasicCegarLoop]: Counterexample might be feasible [2018-07-23 13:36:27,563 INFO L202 PluginConnector]: Adding new model GripperTest-incorrect.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 01:36:27 BoogieIcfgContainer [2018-07-23 13:36:27,563 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 13:36:27,564 INFO L168 Benchmark]: Toolchain (without parser) took 1018.29 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-07-23 13:36:27,567 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.16 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 13:36:27,568 INFO L168 Benchmark]: Boogie Preprocessor took 53.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 13:36:27,570 INFO L168 Benchmark]: RCFGBuilder took 448.25 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-07-23 13:36:27,572 INFO L168 Benchmark]: TraceAbstraction took 511.37 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-07-23 13:36:27,576 INFO L336 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 0.16 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 53.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 448.25 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 511.37 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 22]: loop invariant can be violated and assertion can be violated loop invariant can be violated and assertion can be violated We found a FailurePath: [L13] is_room_x := true; [L14] is_left_gripper := true; [L15] room_x := 4; [L16] room_y := 0; [L17] gripper_left := 0; [L18] gripper_right := 0; VAL [gripper_left=0, gripper_right=0, is_left_gripper=true, is_room_x=true, room_x=4, room_y=0] [L22] invariant room_y != -1; VAL [gripper_left=0, gripper_right=0, is_left_gripper=true, is_room_x=true, room_x=4, room_y=0] [?] COND TRUE * [L25] COND TRUE is_room_x == true [L26] is_room_x := false; VAL [gripper_left=0, gripper_right=0, is_left_gripper=true, is_room_x=false, room_x=4, room_y=0] [L22] invariant room_y != -1; VAL [gripper_left=0, gripper_right=0, is_left_gripper=true, is_room_x=false, room_x=4, room_y=0] [?] COND TRUE * [L39] COND FALSE !(true == is_room_x) [L42] room_y := room_y - 1; [L45] COND TRUE true == is_left_gripper [L46] gripper_left := gripper_left + 1; VAL [gripper_left=1, gripper_right=0, is_left_gripper=true, is_room_x=false, room_x=4, room_y=-1] [L22] invariant room_y != -1; VAL [gripper_left=1, gripper_right=0, is_left_gripper=true, is_room_x=false, room_x=4, room_y=-1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. UNSAFE Result, 0.4s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 5 SDtfs, 4 SDslu, 1 SDs, 0 SdLazy, 13 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/1 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, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 42 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 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 incorrect! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/GripperTest-incorrect.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-07-23_13-36-27-595.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/GripperTest-incorrect.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_13-36-27-595.csv Received shutdown request...