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/DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 14:56:58,476 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 14:56:58,478 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 14:56:58,490 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 14:56:58,490 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 14:56:58,491 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 14:56:58,493 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 14:56:58,495 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 14:56:58,497 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 14:56:58,497 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 14:56:58,498 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 14:56:58,499 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 14:56:58,500 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 14:56:58,501 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 14:56:58,502 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 14:56:58,502 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 14:56:58,503 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 14:56:58,505 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 14:56:58,508 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 14:56:58,509 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 14:56:58,510 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 14:56:58,512 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 14:56:58,514 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 14:56:58,515 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 14:56:58,515 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 14:56:58,516 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 14:56:58,517 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 14:56:58,518 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 14:56:58,519 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 14:56:58,520 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 14:56:58,520 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 14:56:58,521 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-25 14:56:58,521 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-25 14:56:58,522 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-25 14:56:58,523 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-25 14:56:58,524 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-25 14:56:58,524 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 14:56:58,539 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 14:56:58,540 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 14:56:58,541 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-25 14:56:58,541 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-07-25 14:56:58,541 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 14:56:58,542 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-25 14:56:58,542 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-25 14:56:58,542 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 14:56:58,597 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 14:56:58,615 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 14:56:58,622 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 14:56:58,623 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 14:56:58,624 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 14:56:58,625 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl [2018-07-25 14:56:58,625 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl' [2018-07-25 14:56:58,675 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 14:56:58,677 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 14:56:58,678 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 14:56:58,678 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 14:56:58,678 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 14:56:58,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:56:58" (1/1) ... [2018-07-25 14:56:58,711 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:56:58" (1/1) ... [2018-07-25 14:56:58,716 WARN L165 Inliner]: Program contained no entry procedure! [2018-07-25 14:56:58,717 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-07-25 14:56:58,717 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-07-25 14:56:58,719 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 14:56:58,720 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 14:56:58,720 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 14:56:58,720 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 14:56:58,731 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:56:58" (1/1) ... [2018-07-25 14:56:58,731 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:56:58" (1/1) ... [2018-07-25 14:56:58,731 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:56:58" (1/1) ... [2018-07-25 14:56:58,732 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:56:58" (1/1) ... [2018-07-25 14:56:58,734 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:56:58" (1/1) ... [2018-07-25 14:56:58,737 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:56:58" (1/1) ... [2018-07-25 14:56:58,738 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:56:58" (1/1) ... [2018-07-25 14:56:58,740 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 14:56:58,740 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 14:56:58,740 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 14:56:58,741 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 14:56:58,742 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:56:58" (1/1) ... [2018-07-25 14:56:58,820 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-07-25 14:56:58,821 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-25 14:56:58,821 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-25 14:56:58,955 INFO L270 CfgBuilder]: Using library mode [2018-07-25 14:56:58,956 INFO L202 PluginConnector]: Adding new model DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 02:56:58 BoogieIcfgContainer [2018-07-25 14:56:58,956 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 14:56:58,957 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 14:56:58,957 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 14:56:58,961 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 14:56:58,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:56:58" (1/2) ... [2018-07-25 14:56:58,963 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d050c0e and model type DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 02:56:58, skipping insertion in model container [2018-07-25 14:56:58,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 02:56:58" (2/2) ... [2018-07-25 14:56:58,966 INFO L112 eAbstractionObserver]: Analyzing ICFG DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl [2018-07-25 14:56:58,978 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-25 14:56:58,987 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-25 14:56:59,036 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 14:56:59,037 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 14:56:59,037 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 14:56:59,037 INFO L376 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-25 14:56:59,037 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 14:56:59,038 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 14:56:59,038 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 14:56:59,038 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 14:56:59,038 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 14:56:59,054 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states. [2018-07-25 14:56:59,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-07-25 14:56:59,063 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:56:59,064 INFO L354 BasicCegarLoop]: trace histogram [1, 1] [2018-07-25 14:56:59,066 INFO L415 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:56:59,071 INFO L82 PathProgramCache]: Analyzing trace with hash 967, now seen corresponding path program 1 times [2018-07-25 14:56:59,078 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:56:59,164 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 14:56:59,164 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2018-07-25 14:56:59,173 INFO L451 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-25 14:56:59,181 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-25 14:56:59,182 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-25 14:56:59,185 INFO L87 Difference]: Start difference. First operand 4 states. Second operand 3 states. [2018-07-25 14:56:59,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 14:56:59,239 INFO L93 Difference]: Finished difference Result 6 states and 7 transitions. [2018-07-25 14:56:59,239 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-25 14:56:59,241 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2018-07-25 14:56:59,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 14:56:59,256 INFO L225 Difference]: With dead ends: 6 [2018-07-25 14:56:59,256 INFO L226 Difference]: Without dead ends: 4 [2018-07-25 14:56:59,262 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 14:56:59,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4 states. [2018-07-25 14:56:59,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4 to 4. [2018-07-25 14:56:59,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-07-25 14:56:59,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4 transitions. [2018-07-25 14:56:59,300 INFO L78 Accepts]: Start accepts. Automaton has 4 states and 4 transitions. Word has length 2 [2018-07-25 14:56:59,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 14:56:59,300 INFO L472 AbstractCegarLoop]: Abstraction has 4 states and 4 transitions. [2018-07-25 14:56:59,301 INFO L473 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-25 14:56:59,301 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 4 transitions. [2018-07-25 14:56:59,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-07-25 14:56:59,301 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:56:59,301 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-07-25 14:56:59,302 INFO L415 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:56:59,302 INFO L82 PathProgramCache]: Analyzing trace with hash 29921, now seen corresponding path program 1 times [2018-07-25 14:56:59,302 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy Received shutdown request... [2018-07-25 15:01:28,654 WARN L541 AbstractCegarLoop]: Verification canceled [2018-07-25 15:01:28,660 WARN L202 ceAbstractionStarter]: Timeout [2018-07-25 15:01:28,660 INFO L202 PluginConnector]: Adding new model DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.07 03:01:28 BoogieIcfgContainer [2018-07-25 15:01:28,661 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-25 15:01:28,661 INFO L168 Benchmark]: Toolchain (without parser) took 269985.50 ms. Allocated memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: -416.3 MB). Free memory was 1.5 GB in the beginning and 933.1 MB in the end (delta: 533.7 MB). Peak memory consumption was 117.4 MB. Max. memory is 7.1 GB. [2018-07-25 15:01:28,664 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 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. [2018-07-25 15:01:28,665 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.39 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. [2018-07-25 15:01:28,665 INFO L168 Benchmark]: Boogie Preprocessor took 20.15 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. [2018-07-25 15:01:28,666 INFO L168 Benchmark]: RCFGBuilder took 215.88 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. [2018-07-25 15:01:28,667 INFO L168 Benchmark]: TraceAbstraction took 269703.64 ms. Allocated memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: -416.3 MB). Free memory was 1.5 GB in the beginning and 933.1 MB in the end (delta: 523.1 MB). Peak memory consumption was 106.9 MB. Max. memory is 7.1 GB. [2018-07-25 15:01:28,672 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 0.19 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 41.39 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 20.15 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. * RCFGBuilder took 215.88 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 269703.64 ms. Allocated memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: -416.3 MB). Free memory was 1.5 GB in the beginning and 933.1 MB in the end (delta: 523.1 MB). Peak memory consumption was 106.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 18]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 18). Cancelled while BasicCegarLoop was analyzing trace of length 4 with TraceHistMax 1, while PredicateComparison was comparing new predicate (quantifier-free) to 99 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 5 locations, 1 error locations. TIMEOUT Result, 269.6s 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, 0 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/DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl_AutomizerBpl-pdr-smtinterpol.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-07-25_15-01-28-690.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl_AutomizerBpl-pdr-smtinterpol.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-25_15-01-28-690.csv Completed graceful shutdown