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-pdr-smtinterpol.epf -i ../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/nested.i_4.bplTransformedIcfg_BEv2_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ff8eab6 [2018-09-26 09:31:14,265 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 09:31:14,268 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 09:31:14,287 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 09:31:14,287 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 09:31:14,290 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 09:31:14,291 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 09:31:14,294 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 09:31:14,304 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 09:31:14,306 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 09:31:14,307 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 09:31:14,308 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 09:31:14,309 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 09:31:14,315 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 09:31:14,318 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 09:31:14,319 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 09:31:14,320 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 09:31:14,324 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 09:31:14,328 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 09:31:14,330 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 09:31:14,333 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 09:31:14,334 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 09:31:14,338 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 09:31:14,338 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 09:31:14,338 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 09:31:14,343 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 09:31:14,344 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 09:31:14,345 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 09:31:14,348 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 09:31:14,349 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 09:31:14,349 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 09:31:14,350 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-09-26 09:31:14,355 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-smtinterpol.epf [2018-09-26 09:31:14,373 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 09:31:14,374 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 09:31:14,375 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 09:31:14,375 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-09-26 09:31:14,376 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 09:31:14,376 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-09-26 09:31:14,376 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-09-26 09:31:14,379 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 09:31:14,452 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 09:31:14,470 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 09:31:14,478 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 09:31:14,479 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 09:31:14,480 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 09:31:14,481 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/nested.i_4.bplTransformedIcfg_BEv2_3.bpl [2018-09-26 09:31:14,481 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/nested.i_4.bplTransformedIcfg_BEv2_3.bpl' [2018-09-26 09:31:14,567 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 09:31:14,571 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 09:31:14,572 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 09:31:14,572 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 09:31:14,572 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 09:31:14,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "nested.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:31:14" (1/1) ... [2018-09-26 09:31:14,610 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "nested.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:31:14" (1/1) ... [2018-09-26 09:31:14,617 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 09:31:14,618 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 09:31:14,618 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 09:31:14,618 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 09:31:14,630 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nested.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:31:14" (1/1) ... [2018-09-26 09:31:14,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nested.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:31:14" (1/1) ... [2018-09-26 09:31:14,632 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nested.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:31:14" (1/1) ... [2018-09-26 09:31:14,632 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nested.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:31:14" (1/1) ... [2018-09-26 09:31:14,635 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nested.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:31:14" (1/1) ... [2018-09-26 09:31:14,637 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nested.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:31:14" (1/1) ... [2018-09-26 09:31:14,639 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nested.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:31:14" (1/1) ... [2018-09-26 09:31:14,641 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 09:31:14,642 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 09:31:14,642 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 09:31:14,642 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 09:31:14,643 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nested.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:31:14" (1/1) ... [2018-09-26 09:31:14,727 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-09-26 09:31:14,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 09:31:14,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 09:31:14,873 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 09:31:14,874 INFO L202 PluginConnector]: Adding new model nested.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:31:14 BoogieIcfgContainer [2018-09-26 09:31:14,874 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 09:31:14,876 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 09:31:14,876 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 09:31:14,879 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 09:31:14,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nested.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:31:14" (1/2) ... [2018-09-26 09:31:14,881 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76fe43e1 and model type nested.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 09:31:14, skipping insertion in model container [2018-09-26 09:31:14,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nested.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:31:14" (2/2) ... [2018-09-26 09:31:14,884 INFO L112 eAbstractionObserver]: Analyzing ICFG nested.i_4.bplTransformedIcfg_BEv2_3.bpl [2018-09-26 09:31:14,894 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-09-26 09:31:14,904 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-26 09:31:14,953 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 09:31:14,954 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 09:31:14,954 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 09:31:14,955 INFO L383 AbstractCegarLoop]: Compute interpolants for PDR [2018-09-26 09:31:14,955 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 09:31:14,955 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 09:31:14,955 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 09:31:14,955 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 09:31:14,956 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 09:31:14,968 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. [2018-09-26 09:31:14,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-09-26 09:31:14,977 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 09:31:14,978 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-09-26 09:31:14,980 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 09:31:14,986 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 09:31:14,987 INFO L82 PathProgramCache]: Analyzing trace with hash 29955, now seen corresponding path program 1 times [2018-09-26 09:31:14,994 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 09:31:15,097 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 09:31:15,098 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-26 09:31:15,103 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-26 09:31:15,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-26 09:31:15,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-26 09:31:15,113 INFO L87 Difference]: Start difference. First operand 5 states. Second operand 3 states. [2018-09-26 09:31:15,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 09:31:15,144 INFO L93 Difference]: Finished difference Result 10 states and 15 transitions. [2018-09-26 09:31:15,145 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-26 09:31:15,147 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2018-09-26 09:31:15,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 09:31:15,157 INFO L225 Difference]: With dead ends: 10 [2018-09-26 09:31:15,158 INFO L226 Difference]: Without dead ends: 6 [2018-09-26 09:31:15,162 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-26 09:31:15,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2018-09-26 09:31:15,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2018-09-26 09:31:15,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-09-26 09:31:15,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7 transitions. [2018-09-26 09:31:15,206 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 7 transitions. Word has length 3 [2018-09-26 09:31:15,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 09:31:15,207 INFO L480 AbstractCegarLoop]: Abstraction has 6 states and 7 transitions. [2018-09-26 09:31:15,207 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-26 09:31:15,207 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2018-09-26 09:31:15,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-26 09:31:15,208 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 09:31:15,208 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-09-26 09:31:15,208 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 09:31:15,209 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 09:31:15,209 INFO L82 PathProgramCache]: Analyzing trace with hash 28854189, now seen corresponding path program 1 times [2018-09-26 09:31:15,209 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy Received shutdown request... [2018-09-26 09:35:45,642 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-26 09:35:45,647 WARN L206 ceAbstractionStarter]: Timeout [2018-09-26 09:35:45,648 INFO L202 PluginConnector]: Adding new model nested.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.09 09:35:45 BoogieIcfgContainer [2018-09-26 09:35:45,648 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-26 09:35:45,649 INFO L168 Benchmark]: Toolchain (without parser) took 271081.38 ms. Allocated memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: -412.6 MB). Free memory was 1.5 GB in the beginning and 987.4 MB in the end (delta: 485.6 MB). Peak memory consumption was 73.0 MB. Max. memory is 7.1 GB. [2018-09-26 09:35:45,651 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 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 09:35:45,652 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.88 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 09:35:45,653 INFO L168 Benchmark]: Boogie Preprocessor took 23.54 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 09:35:45,654 INFO L168 Benchmark]: RCFGBuilder took 232.43 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. [2018-09-26 09:35:45,655 INFO L168 Benchmark]: TraceAbstraction took 270772.41 ms. Allocated memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: -412.6 MB). Free memory was 1.5 GB in the beginning and 987.4 MB in the end (delta: 475.1 MB). Peak memory consumption was 62.4 MB. Max. memory is 7.1 GB. [2018-09-26 09:35:45,662 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 0.23 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 45.88 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 23.54 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 232.43 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 270772.41 ms. Allocated memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: -412.6 MB). Free memory was 1.5 GB in the beginning and 987.4 MB in the end (delta: 475.1 MB). Peak memory consumption was 62.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 51]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 51). Cancelled while BasicCegarLoop was analyzing trace of length 6 with TraceHistMax 1, while PredicateComparison was comparing new predicate (quantifier-free) to 147 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. TIMEOUT Result, 270.7s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3 SDtfs, 1 SDslu, 1 SDs, 0 SdLazy, 5 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6occurred in iteration=1, 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/nested.i_4.bplTransformedIcfg_BEv2_3.bpl_AutomizerBpl-pdr-smtinterpol.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_09-35-45-684.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/nested.i_4.bplTransformedIcfg_BEv2_3.bpl_AutomizerBpl-pdr-smtinterpol.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-26_09-35-45-684.csv Completed graceful shutdown