java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-smtinterpol.epf -i ../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/DivisibilityInterpolantRequired02-ForwardSuccess.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 14:56:56,680 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 14:56:56,684 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 14:56:56,697 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 14:56:56,697 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 14:56:56,699 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 14:56:56,700 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 14:56:56,709 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 14:56:56,711 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 14:56:56,712 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 14:56:56,713 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 14:56:56,714 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 14:56:56,715 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 14:56:56,716 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 14:56:56,717 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 14:56:56,718 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 14:56:56,719 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 14:56:56,721 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 14:56:56,723 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 14:56:56,724 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 14:56:56,725 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 14:56:56,727 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 14:56:56,729 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 14:56:56,730 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 14:56:56,730 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 14:56:56,732 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 14:56:56,734 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 14:56:56,735 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 14:56:56,736 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 14:56:56,737 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 14:56:56,737 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 14:56:56,738 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-25 14:56:56,738 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-25 14:56:56,739 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-25 14:56:56,740 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-25 14:56:56,741 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-25 14:56:56,741 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-smtinterpol.epf [2018-07-25 14:56:56,750 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 14:56:56,751 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 14:56:56,753 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-25 14:56:56,753 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-07-25 14:56:56,754 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 14:56:56,754 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-25 14:56:56,754 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-25 14:56:56,754 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 14:56:56,807 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 14:56:56,828 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 14:56:56,834 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 14:56:56,837 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 14:56:56,837 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 14:56:56,838 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/DivisibilityInterpolantRequired02-ForwardSuccess.bpl [2018-07-25 14:56:56,839 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/DivisibilityInterpolantRequired02-ForwardSuccess.bpl' [2018-07-25 14:56:56,893 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 14:56:56,895 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 14:56:56,896 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 14:56:56,896 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 14:56:56,896 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 14:56:56,922 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "DivisibilityInterpolantRequired02-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:56:56" (1/1) ... [2018-07-25 14:56:56,937 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "DivisibilityInterpolantRequired02-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:56:56" (1/1) ... [2018-07-25 14:56:56,942 WARN L165 Inliner]: Program contained no entry procedure! [2018-07-25 14:56:56,943 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-07-25 14:56:56,943 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-07-25 14:56:56,946 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 14:56:56,947 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 14:56:56,947 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 14:56:56,947 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 14:56:56,960 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired02-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:56:56" (1/1) ... [2018-07-25 14:56:56,960 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired02-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:56:56" (1/1) ... [2018-07-25 14:56:56,961 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired02-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:56:56" (1/1) ... [2018-07-25 14:56:56,961 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired02-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:56:56" (1/1) ... [2018-07-25 14:56:56,966 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired02-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:56:56" (1/1) ... [2018-07-25 14:56:56,972 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired02-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:56:56" (1/1) ... [2018-07-25 14:56:56,976 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired02-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:56:56" (1/1) ... [2018-07-25 14:56:56,978 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 14:56:56,979 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 14:56:56,979 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 14:56:56,982 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 14:56:56,984 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "DivisibilityInterpolantRequired02-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:56:56" (1/1) ... [2018-07-25 14:56:57,083 INFO L130 BoogieDeclarations]: Found specification of procedure proc [2018-07-25 14:56:57,083 INFO L138 BoogieDeclarations]: Found implementation of procedure proc [2018-07-25 14:56:57,237 INFO L270 CfgBuilder]: Using library mode [2018-07-25 14:56:57,239 INFO L202 PluginConnector]: Adding new model DivisibilityInterpolantRequired02-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 02:56:57 BoogieIcfgContainer [2018-07-25 14:56:57,240 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 14:56:57,242 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 14:56:57,243 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 14:56:57,247 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 14:56:57,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "DivisibilityInterpolantRequired02-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:56:56" (1/2) ... [2018-07-25 14:56:57,253 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3936bf71 and model type DivisibilityInterpolantRequired02-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 02:56:57, skipping insertion in model container [2018-07-25 14:56:57,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "DivisibilityInterpolantRequired02-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 02:56:57" (2/2) ... [2018-07-25 14:56:57,258 INFO L112 eAbstractionObserver]: Analyzing ICFG DivisibilityInterpolantRequired02-ForwardSuccess.bpl [2018-07-25 14:56:57,271 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-25 14:56:57,288 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-25 14:56:57,343 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 14:56:57,344 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 14:56:57,344 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 14:56:57,345 INFO L376 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-25 14:56:57,345 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 14:56:57,345 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 14:56:57,345 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 14:56:57,346 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 14:56:57,346 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 14:56:57,362 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states. [2018-07-25 14:56:57,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-07-25 14:56:57,371 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:56:57,372 INFO L354 BasicCegarLoop]: trace histogram [1, 1] [2018-07-25 14:56:57,375 INFO L415 AbstractCegarLoop]: === Iteration 1 === [procErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:56:57,381 INFO L82 PathProgramCache]: Analyzing trace with hash 967, now seen corresponding path program 1 times [2018-07-25 14:56:57,388 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:56:57,448 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 14:56:57,449 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2018-07-25 14:56:57,452 INFO L451 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-25 14:56:57,458 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-25 14:56:57,459 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-25 14:56:57,462 INFO L87 Difference]: Start difference. First operand 4 states. Second operand 3 states. [2018-07-25 14:56:57,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 14:56:57,491 INFO L93 Difference]: Finished difference Result 6 states and 7 transitions. [2018-07-25 14:56:57,492 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-25 14:56:57,493 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2018-07-25 14:56:57,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 14:56:57,505 INFO L225 Difference]: With dead ends: 6 [2018-07-25 14:56:57,505 INFO L226 Difference]: Without dead ends: 4 [2018-07-25 14:56:57,509 INFO L574 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 [2018-07-25 14:56:57,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4 states. [2018-07-25 14:56:57,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4 to 4. [2018-07-25 14:56:57,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-07-25 14:56:57,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4 transitions. [2018-07-25 14:56:57,551 INFO L78 Accepts]: Start accepts. Automaton has 4 states and 4 transitions. Word has length 2 [2018-07-25 14:56:57,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 14:56:57,551 INFO L472 AbstractCegarLoop]: Abstraction has 4 states and 4 transitions. [2018-07-25 14:56:57,551 INFO L473 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-25 14:56:57,552 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 4 transitions. [2018-07-25 14:56:57,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-07-25 14:56:57,552 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:56:57,552 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-07-25 14:56:57,553 INFO L415 AbstractCegarLoop]: === Iteration 2 === [procErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:56:57,553 INFO L82 PathProgramCache]: Analyzing trace with hash 29921, now seen corresponding path program 1 times [2018-07-25 14:56:57,554 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:57:34,496 WARN L169 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 291 Received shutdown request... [2018-07-25 15:01:32,568 WARN L541 AbstractCegarLoop]: Verification canceled [2018-07-25 15:01:32,575 WARN L202 ceAbstractionStarter]: Timeout [2018-07-25 15:01:32,576 INFO L202 PluginConnector]: Adding new model DivisibilityInterpolantRequired02-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.07 03:01:32 BoogieIcfgContainer [2018-07-25 15:01:32,576 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-25 15:01:32,577 INFO L168 Benchmark]: Toolchain (without parser) took 275683.56 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -92.8 MB). Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 437.6 MB). Peak memory consumption was 344.8 MB. Max. memory is 7.1 GB. [2018-07-25 15:01:32,581 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 15:01:32,582 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.67 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 15:01:32,584 INFO L168 Benchmark]: Boogie Preprocessor took 31.34 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 15:01:32,585 INFO L168 Benchmark]: RCFGBuilder took 261.58 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. [2018-07-25 15:01:32,588 INFO L168 Benchmark]: TraceAbstraction took 275333.71 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -92.8 MB). Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 427.1 MB). Peak memory consumption was 334.3 MB. Max. memory is 7.1 GB. [2018-07-25 15:01:32,595 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 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 50.67 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 31.34 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 261.58 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. * TraceAbstraction took 275333.71 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -92.8 MB). Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 427.1 MB). Peak memory consumption was 334.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 19]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 19). Cancelled while BasicCegarLoop was analyzing trace of length 4 with TraceHistMax 1, while Pdr was Timeout or canceled while running Pdr. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 5 locations, 1 error locations. TIMEOUT Result, 275.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2 SDtfs, 1 SDslu, 0 SDs, 0 SdLazy, 4 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: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s PdrRuntime, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/DivisibilityInterpolantRequired02-ForwardSuccess.bpl_AutomizerBpl-pdr-smtinterpol.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-07-25_15-01-32-618.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/DivisibilityInterpolantRequired02-ForwardSuccess.bpl_AutomizerBpl-pdr-smtinterpol.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-25_15-01-32-618.csv Completed graceful shutdown