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/20170304-DifficultPathPrograms/string.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-56c9370 [2018-07-23 16:14:39,443 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 16:14:39,446 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 16:14:39,459 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 16:14:39,460 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 16:14:39,461 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 16:14:39,462 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 16:14:39,466 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 16:14:39,467 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 16:14:39,469 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 16:14:39,471 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 16:14:39,471 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 16:14:39,472 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 16:14:39,473 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 16:14:39,475 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 16:14:39,477 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 16:14:39,479 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 16:14:39,483 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 16:14:39,490 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 16:14:39,494 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 16:14:39,495 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 16:14:39,499 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 16:14:39,501 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 16:14:39,505 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 16:14:39,505 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 16:14:39,507 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 16:14:39,508 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 16:14:39,509 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 16:14:39,510 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 16:14:39,511 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 16:14:39,512 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 16:14:39,518 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-23 16:14:39,519 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 16:14:39,519 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 16:14:39,520 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 16:14:39,521 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 16:14:39,522 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 16:14:39,540 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 16:14:39,540 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 16:14:39,543 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 16:14:39,543 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-23 16:14:39,543 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-23 16:14:39,543 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 16:14:39,616 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 16:14:39,634 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 16:14:39,640 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 16:14:39,642 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-23 16:14:39,643 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-23 16:14:39,644 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/string.i_3.bpl [2018-07-23 16:14:39,645 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/string.i_3.bpl' [2018-07-23 16:14:39,710 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 16:14:39,712 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-07-23 16:14:39,713 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 16:14:39,713 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 16:14:39,713 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 16:14:39,739 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "string.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:14:39" (1/1) ... [2018-07-23 16:14:39,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "string.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:14:39" (1/1) ... [2018-07-23 16:14:39,754 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "string.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:14:39" (1/1) ... [2018-07-23 16:14:39,754 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "string.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:14:39" (1/1) ... [2018-07-23 16:14:39,758 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "string.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:14:39" (1/1) ... [2018-07-23 16:14:39,760 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "string.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:14:39" (1/1) ... [2018-07-23 16:14:39,761 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "string.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:14:39" (1/1) ... [2018-07-23 16:14:39,763 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 16:14:39,764 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 16:14:39,765 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 16:14:39,765 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 16:14:39,766 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "string.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:14:39" (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 16:14:39,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 16:14:39,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 16:14:40,043 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 16:14:40,043 INFO L202 PluginConnector]: Adding new model string.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 04:14:40 BoogieIcfgContainer [2018-07-23 16:14:40,044 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 16:14:40,047 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 16:14:40,047 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 16:14:40,051 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 16:14:40,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "string.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:14:39" (1/2) ... [2018-07-23 16:14:40,052 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b69d293 and model type string.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 04:14:40, skipping insertion in model container [2018-07-23 16:14:40,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "string.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 04:14:40" (2/2) ... [2018-07-23 16:14:40,056 INFO L112 eAbstractionObserver]: Analyzing ICFG string.i_3.bpl [2018-07-23 16:14:40,068 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-23 16:14:40,079 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 16:14:40,144 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 16:14:40,145 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 16:14:40,145 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 16:14:40,145 INFO L375 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-23 16:14:40,145 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 16:14:40,146 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 16:14:40,146 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 16:14:40,146 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 16:14:40,146 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 16:14:40,164 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2018-07-23 16:14:40,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-23 16:14:40,187 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 16:14:40,189 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-07-23 16:14:40,189 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 16:14:40,197 INFO L82 PathProgramCache]: Analyzing trace with hash 889539531, now seen corresponding path program 1 times [2018-07-23 16:14:40,206 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 16:14:40,527 WARN L169 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 14 [2018-07-23 16:14:40,600 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 16:14:40,601 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-23 16:14:40,606 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 16:14:40,613 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 16:14:40,613 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-23 16:14:40,616 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 3 states. [2018-07-23 16:14:40,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 16:14:40,709 INFO L93 Difference]: Finished difference Result 14 states and 17 transitions. [2018-07-23 16:14:40,710 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 16:14:40,712 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2018-07-23 16:14:40,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 16:14:40,725 INFO L225 Difference]: With dead ends: 14 [2018-07-23 16:14:40,725 INFO L226 Difference]: Without dead ends: 11 [2018-07-23 16:14:40,729 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-23 16:14:40,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2018-07-23 16:14:40,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2018-07-23 16:14:40,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2018-07-23 16:14:40,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2018-07-23 16:14:40,765 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 10 transitions. Word has length 6 [2018-07-23 16:14:40,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 16:14:40,765 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 10 transitions. [2018-07-23 16:14:40,766 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 16:14:40,766 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2018-07-23 16:14:40,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-07-23 16:14:40,766 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 16:14:40,766 INFO L353 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2018-07-23 16:14:40,767 INFO L414 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 16:14:40,767 INFO L82 PathProgramCache]: Analyzing trace with hash 149049733, now seen corresponding path program 1 times [2018-07-23 16:14:40,767 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 16:14:41,103 WARN L169 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 17 [2018-07-23 16:14:41,298 WARN L169 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-07-23 16:14:42,221 WARN L169 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2018-07-23 16:14:43,812 WARN L169 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 44 [2018-07-23 16:16:15,809 WARN L169 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2018-07-23 16:16:56,881 WARN L169 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2018-07-23 16:17:48,801 WARN L169 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2018-07-23 16:18:51,935 WARN L169 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 112 Received shutdown request... [2018-07-23 16:19:19,297 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 16:19:19,301 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 16:19:19,302 INFO L202 PluginConnector]: Adding new model string.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 04:19:19 BoogieIcfgContainer [2018-07-23 16:19:19,302 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 16:19:19,303 INFO L168 Benchmark]: Toolchain (without parser) took 279592.20 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -104.3 MB). Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 406.3 MB). Peak memory consumption was 302.0 MB. Max. memory is 7.1 GB. [2018-07-23 16:19:19,305 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 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 16:19:19,305 INFO L168 Benchmark]: Boogie Preprocessor took 51.03 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 16:19:19,306 INFO L168 Benchmark]: RCFGBuilder took 279.31 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 16:19:19,307 INFO L168 Benchmark]: TraceAbstraction took 279255.21 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -104.3 MB). Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 385.2 MB). Peak memory consumption was 280.9 MB. Max. memory is 7.1 GB. [2018-07-23 16:19:19,311 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 0.22 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 51.03 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 279.31 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 279255.21 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -104.3 MB). Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 385.2 MB). Peak memory consumption was 280.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 89]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 89). Cancelled while BasicCegarLoop was analyzing trace of length 9 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 42 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. TIMEOUT Result, 279.1s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 5 SDtfs, 2 SDslu, 2 SDs, 0 SdLazy, 5 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 41 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred 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, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.3s 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/string.i_3.bpl_AutomizerBpl-pdr.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-07-23_16-19-19-323.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/string.i_3.bpl_AutomizerBpl-pdr.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_16-19-19-323.csv Completed graceful shutdown