java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/Pdr/AutomizerBpl-nestedInterpolants.epf -i ../../../trunk/examples/programs/real-life/USE_SimplifiedGripperTest.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ff8eab6 [2018-09-26 08:06:07,447 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 08:06:07,451 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 08:06:07,466 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 08:06:07,466 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 08:06:07,467 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 08:06:07,469 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 08:06:07,472 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 08:06:07,473 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 08:06:07,474 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 08:06:07,475 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 08:06:07,475 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 08:06:07,476 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 08:06:07,477 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 08:06:07,480 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 08:06:07,480 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 08:06:07,481 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 08:06:07,483 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 08:06:07,485 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 08:06:07,486 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 08:06:07,488 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 08:06:07,489 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 08:06:07,491 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 08:06:07,491 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 08:06:07,492 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 08:06:07,493 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 08:06:07,494 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 08:06:07,494 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 08:06:07,495 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 08:06:07,496 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 08:06:07,497 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 08:06:07,497 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 08:06:07,498 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 08:06:07,498 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 08:06:07,499 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 08:06:07,500 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 08:06:07,500 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-nestedInterpolants.epf [2018-09-26 08:06:07,509 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 08:06:07,509 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 08:06:07,510 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 08:06:07,511 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-09-26 08:06:07,511 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 08:06:07,511 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-09-26 08:06:07,511 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-09-26 08:06:07,511 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 08:06:07,583 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 08:06:07,596 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 08:06:07,600 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 08:06:07,601 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 08:06:07,602 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 08:06:07,602 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/USE_SimplifiedGripperTest.bpl [2018-09-26 08:06:07,603 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/USE_SimplifiedGripperTest.bpl' [2018-09-26 08:06:07,654 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 08:06:07,658 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 08:06:07,659 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 08:06:07,660 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 08:06:07,660 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 08:06:07,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "USE_SimplifiedGripperTest.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:06:07" (1/1) ... [2018-09-26 08:06:07,696 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "USE_SimplifiedGripperTest.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:06:07" (1/1) ... [2018-09-26 08:06:07,702 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-26 08:06:07,702 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-26 08:06:07,703 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-26 08:06:07,705 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 08:06:07,706 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 08:06:07,706 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 08:06:07,707 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 08:06:07,720 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "USE_SimplifiedGripperTest.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:06:07" (1/1) ... [2018-09-26 08:06:07,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "USE_SimplifiedGripperTest.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:06:07" (1/1) ... [2018-09-26 08:06:07,721 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "USE_SimplifiedGripperTest.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:06:07" (1/1) ... [2018-09-26 08:06:07,721 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "USE_SimplifiedGripperTest.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:06:07" (1/1) ... [2018-09-26 08:06:07,724 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "USE_SimplifiedGripperTest.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:06:07" (1/1) ... [2018-09-26 08:06:07,729 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "USE_SimplifiedGripperTest.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:06:07" (1/1) ... [2018-09-26 08:06:07,730 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "USE_SimplifiedGripperTest.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:06:07" (1/1) ... [2018-09-26 08:06:07,732 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 08:06:07,732 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 08:06:07,733 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 08:06:07,733 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 08:06:07,734 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "USE_SimplifiedGripperTest.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:06:07" (1/1) ... [2018-09-26 08:06:07,831 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-09-26 08:06:07,831 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-26 08:06:07,831 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-26 08:06:08,035 INFO L343 CfgBuilder]: Using library mode [2018-09-26 08:06:08,038 INFO L202 PluginConnector]: Adding new model USE_SimplifiedGripperTest.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 08:06:08 BoogieIcfgContainer [2018-09-26 08:06:08,038 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 08:06:08,042 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 08:06:08,043 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 08:06:08,046 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 08:06:08,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "USE_SimplifiedGripperTest.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:06:07" (1/2) ... [2018-09-26 08:06:08,048 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@783fb141 and model type USE_SimplifiedGripperTest.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 08:06:08, skipping insertion in model container [2018-09-26 08:06:08,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "USE_SimplifiedGripperTest.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 08:06:08" (2/2) ... [2018-09-26 08:06:08,051 INFO L112 eAbstractionObserver]: Analyzing ICFG USE_SimplifiedGripperTest.bpl [2018-09-26 08:06:08,061 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-09-26 08:06:08,073 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-26 08:06:08,130 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 08:06:08,131 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 08:06:08,131 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 08:06:08,131 INFO L383 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-09-26 08:06:08,132 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 08:06:08,132 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 08:06:08,132 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 08:06:08,133 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 08:06:08,133 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 08:06:08,152 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. [2018-09-26 08:06:08,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-09-26 08:06:08,161 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:06:08,166 INFO L375 BasicCegarLoop]: trace histogram [1, 1] [2018-09-26 08:06:08,167 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONINVARIANTandASSERT]=== [2018-09-26 08:06:08,176 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:06:08,176 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2018-09-26 08:06:08,184 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:06:08,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 08:06:08,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 08:06:08,260 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 08:06:08,260 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2018-09-26 08:06:08,264 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-26 08:06:08,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-26 08:06:08,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-26 08:06:08,282 INFO L87 Difference]: Start difference. First operand 5 states. Second operand 3 states. [2018-09-26 08:06:08,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:06:08,306 INFO L93 Difference]: Finished difference Result 5 states and 5 transitions. [2018-09-26 08:06:08,307 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-26 08:06:08,309 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2018-09-26 08:06:08,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:06:08,318 INFO L225 Difference]: With dead ends: 5 [2018-09-26 08:06:08,318 INFO L226 Difference]: Without dead ends: 0 [2018-09-26 08:06:08,322 INFO L605 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 [2018-09-26 08:06:08,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-26 08:06:08,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-26 08:06:08,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-26 08:06:08,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-26 08:06:08,353 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2 [2018-09-26 08:06:08,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:06:08,354 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-26 08:06:08,354 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-26 08:06:08,354 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-26 08:06:08,355 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-26 08:06:08,360 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-26 08:06:08,380 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 9 42) the Hoare annotation is: true [2018-09-26 08:06:08,380 INFO L426 ceAbstractionStarter]: For program point L26(lines 26 40) no Hoare annotation was computed. [2018-09-26 08:06:08,381 INFO L422 ceAbstractionStarter]: At program point mainEXIT(lines 9 42) the Hoare annotation is: (<= 0 room_y) [2018-09-26 08:06:08,381 INFO L422 ceAbstractionStarter]: At program point L24-1(lines 9 42) the Hoare annotation is: (<= 0 room_y) [2018-09-26 08:06:08,382 INFO L422 ceAbstractionStarter]: At program point mainErr0ASSERT_VIOLATIONINVARIANTandASSERT(line 25) the Hoare annotation is: false [2018-09-26 08:06:08,382 INFO L422 ceAbstractionStarter]: At program point L35-1(lines 24 41) the Hoare annotation is: (<= 0 room_y) [2018-09-26 08:06:08,395 INFO L202 PluginConnector]: Adding new model USE_SimplifiedGripperTest.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.09 08:06:08 BoogieIcfgContainer [2018-09-26 08:06:08,395 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-26 08:06:08,397 INFO L168 Benchmark]: Toolchain (without parser) took 741.42 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. [2018-09-26 08:06:08,399 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.15 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. [2018-09-26 08:06:08,400 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.34 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. [2018-09-26 08:06:08,401 INFO L168 Benchmark]: Boogie Preprocessor took 25.74 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. [2018-09-26 08:06:08,402 INFO L168 Benchmark]: RCFGBuilder took 309.09 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-09-26 08:06:08,404 INFO L168 Benchmark]: TraceAbstraction took 353.17 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-09-26 08:06:08,409 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 0.15 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 Procedure Inliner took 46.34 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 25.74 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 309.09 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 353.17 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 25]: loop invariant is valid and assertion always holds For all program executions holds that loop invariant is valid and assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 0 <= room_y - ProcedureContractResult [Line: 9]: Procedure Contract for main Derived contract for procedure main: 0 <= room_y - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. SAFE Result, 0.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2 SDtfs, 2 SDslu, 0 SDs, 0 SdLazy, 2 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 5 NumberOfFragments, 11 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 2 NumberOfCodeBlocks, 2 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 1 ConstructedInterpolants, 0 QuantifiedInterpolants, 3 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/USE_SimplifiedGripperTest.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_08-06-08-425.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/USE_SimplifiedGripperTest.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-26_08-06-08-425.csv Received shutdown request...