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-pdr.epf -i ../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/DivisibilityInterpolantRequired01-BackwardSuccess.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-56c9370 [2018-07-23 16:19:21,607 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 16:19:21,609 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 16:19:21,625 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 16:19:21,625 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 16:19:21,626 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 16:19:21,628 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 16:19:21,629 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 16:19:21,631 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 16:19:21,632 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 16:19:21,633 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 16:19:21,633 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 16:19:21,634 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 16:19:21,635 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 16:19:21,636 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 16:19:21,637 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 16:19:21,640 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 16:19:21,646 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 16:19:21,648 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 16:19:21,650 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 16:19:21,651 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 16:19:21,655 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 16:19:21,661 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 16:19:21,661 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 16:19:21,662 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 16:19:21,663 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 16:19:21,666 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 16:19:21,666 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 16:19:21,670 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 16:19:21,671 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 16:19:21,672 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 16:19:21,672 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-23 16:19:21,673 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 16:19:21,673 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 16:19:21,674 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 16:19:21,674 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 16:19:21,675 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/AutomizerBpl-pdr.epf [2018-07-23 16:19:21,682 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 16:19:21,683 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 16:19:21,684 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 16:19:21,684 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-23 16:19:21,684 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-23 16:19:21,685 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 16:19:21,749 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 16:19:21,763 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 16:19:21,766 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 16:19:21,767 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-23 16:19:21,768 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-23 16:19:21,768 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/DivisibilityInterpolantRequired01-BackwardSuccess.bpl [2018-07-23 16:19:21,768 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/DivisibilityInterpolantRequired01-BackwardSuccess.bpl' [2018-07-23 16:19:21,809 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 16:19:21,811 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-07-23 16:19:21,811 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 16:19:21,811 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 16:19:21,811 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 16:19:21,842 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:19:21" (1/1) ... [2018-07-23 16:19:21,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:19:21" (1/1) ... [2018-07-23 16:19:21,854 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:19:21" (1/1) ... [2018-07-23 16:19:21,854 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:19:21" (1/1) ... [2018-07-23 16:19:21,856 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:19:21" (1/1) ... [2018-07-23 16:19:21,861 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:19:21" (1/1) ... [2018-07-23 16:19:21,863 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:19:21" (1/1) ... [2018-07-23 16:19:21,865 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 16:19:21,866 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 16:19:21,866 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 16:19:21,866 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 16:19:21,867 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:19:21" (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 [2018-07-23 16:19:21,940 INFO L130 BoogieDeclarations]: Found specification of procedure proc [2018-07-23 16:19:21,940 INFO L138 BoogieDeclarations]: Found implementation of procedure proc [2018-07-23 16:19:22,162 INFO L258 CfgBuilder]: Using library mode [2018-07-23 16:19:22,163 INFO L202 PluginConnector]: Adding new model DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 04:19:22 BoogieIcfgContainer [2018-07-23 16:19:22,164 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 16:19:22,165 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 16:19:22,165 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 16:19:22,171 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 16:19:22,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:19:21" (1/2) ... [2018-07-23 16:19:22,173 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f159619 and model type DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 04:19:22, skipping insertion in model container [2018-07-23 16:19:22,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 04:19:22" (2/2) ... [2018-07-23 16:19:22,175 INFO L112 eAbstractionObserver]: Analyzing ICFG DivisibilityInterpolantRequired01-BackwardSuccess.bpl [2018-07-23 16:19:22,187 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-23 16:19:22,197 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 16:19:22,247 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 16:19:22,248 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 16:19:22,248 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 16:19:22,248 INFO L375 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-23 16:19:22,248 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 16:19:22,249 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 16:19:22,249 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 16:19:22,249 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 16:19:22,249 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 16:19:22,263 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states. [2018-07-23 16:19:22,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-07-23 16:19:22,272 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 16:19:22,273 INFO L353 BasicCegarLoop]: trace histogram [1, 1] [2018-07-23 16:19:22,273 INFO L414 AbstractCegarLoop]: === Iteration 1 === [procErr0AssertViolationASSERT]=== [2018-07-23 16:19:22,278 INFO L82 PathProgramCache]: Analyzing trace with hash 967, now seen corresponding path program 1 times [2018-07-23 16:19:22,283 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 16:19:22,364 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 16:19:22,364 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2018-07-23 16:19:22,368 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 16:19:22,373 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 16:19:22,373 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 16:19:22,376 INFO L87 Difference]: Start difference. First operand 4 states. Second operand 3 states. [2018-07-23 16:19:22,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 16:19:22,405 INFO L93 Difference]: Finished difference Result 4 states and 4 transitions. [2018-07-23 16:19:22,406 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 16:19:22,407 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2018-07-23 16:19:22,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 16:19:22,414 INFO L225 Difference]: With dead ends: 4 [2018-07-23 16:19:22,414 INFO L226 Difference]: Without dead ends: 0 [2018-07-23 16:19:22,419 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 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 16:19:22,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-07-23 16:19:22,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-07-23 16:19:22,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-07-23 16:19:22,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-07-23 16:19:22,443 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2 [2018-07-23 16:19:22,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 16:19:22,444 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-07-23 16:19:22,444 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 16:19:22,444 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-07-23 16:19:22,444 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-07-23 16:19:22,449 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-07-23 16:19:22,572 INFO L417 ceAbstractionStarter]: At program point L18(lines 18 20) the Hoare annotation is: (= 0 (mod proc_a 2)) [2018-07-23 16:19:22,573 INFO L417 ceAbstractionStarter]: At program point procEXIT(lines 14 23) the Hoare annotation is: (= 0 (mod proc_a 2)) [2018-07-23 16:19:22,573 INFO L421 ceAbstractionStarter]: For program point procFINAL(lines 14 23) no Hoare annotation was computed. [2018-07-23 16:19:22,573 INFO L424 ceAbstractionStarter]: At program point procENTRY(lines 14 23) the Hoare annotation is: true [2018-07-23 16:19:22,574 INFO L417 ceAbstractionStarter]: At program point procErr0AssertViolationASSERT(line 21) the Hoare annotation is: false [2018-07-23 16:19:22,593 INFO L202 PluginConnector]: Adding new model DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 04:19:22 BoogieIcfgContainer [2018-07-23 16:19:22,593 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 16:19:22,595 INFO L168 Benchmark]: Toolchain (without parser) took 785.03 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-07-23 16:19:22,598 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.17 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 16:19:22,605 INFO L168 Benchmark]: Boogie Preprocessor took 53.79 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 16:19:22,606 INFO L168 Benchmark]: RCFGBuilder took 298.33 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-07-23 16:19:22,609 INFO L168 Benchmark]: TraceAbstraction took 428.23 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 16:19:22,620 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 0.17 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 53.79 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 298.33 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 428.23 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 21]: 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 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 0 == a % 2 - ProcedureContractResult [Line: 14]: Procedure Contract for proc Derived contract for procedure proc: 0 == a % 2 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 5 locations, 1 error locations. SAFE Result, 0.3s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 1 SDslu, 0 SDs, 0 SdLazy, 2 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4occurred 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, 4 LocationsWithAnnotation, 4 PreInvPairs, 4 NumberOfFragments, 12 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s PdrRuntime, 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/DivisibilityInterpolantRequired01-BackwardSuccess.bpl_AutomizerBpl-pdr.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-07-23_16-19-22-655.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/DivisibilityInterpolantRequired01-BackwardSuccess.bpl_AutomizerBpl-pdr.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_16-19-22-655.csv Received shutdown request...