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/array3.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-56c9370 [2018-07-23 15:50:31,366 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 15:50:31,368 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 15:50:31,379 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 15:50:31,380 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 15:50:31,381 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 15:50:31,382 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 15:50:31,384 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 15:50:31,385 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 15:50:31,386 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 15:50:31,387 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 15:50:31,387 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 15:50:31,388 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 15:50:31,389 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 15:50:31,390 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 15:50:31,391 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 15:50:31,392 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 15:50:31,394 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 15:50:31,396 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 15:50:31,397 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 15:50:31,398 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 15:50:31,400 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 15:50:31,402 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 15:50:31,402 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 15:50:31,403 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 15:50:31,404 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 15:50:31,405 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 15:50:31,408 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 15:50:31,408 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 15:50:31,410 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 15:50:31,410 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 15:50:31,412 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-23 15:50:31,413 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 15:50:31,413 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 15:50:31,414 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 15:50:31,416 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 15:50:31,416 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 15:50:31,431 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 15:50:31,432 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 15:50:31,433 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 15:50:31,433 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-23 15:50:31,437 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-23 15:50:31,437 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 15:50:31,504 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 15:50:31,521 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 15:50:31,525 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 15:50:31,527 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-23 15:50:31,527 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-23 15:50:31,528 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/array3.i_4.bpl [2018-07-23 15:50:31,529 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/array3.i_4.bpl' [2018-07-23 15:50:31,600 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 15:50:31,602 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-07-23 15:50:31,603 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 15:50:31,603 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 15:50:31,603 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 15:50:31,632 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array3.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:50:31" (1/1) ... [2018-07-23 15:50:31,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array3.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:50:31" (1/1) ... [2018-07-23 15:50:31,649 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array3.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:50:31" (1/1) ... [2018-07-23 15:50:31,650 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array3.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:50:31" (1/1) ... [2018-07-23 15:50:31,657 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array3.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:50:31" (1/1) ... [2018-07-23 15:50:31,659 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array3.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:50:31" (1/1) ... [2018-07-23 15:50:31,660 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array3.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:50:31" (1/1) ... [2018-07-23 15:50:31,661 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 15:50:31,662 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 15:50:31,663 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 15:50:31,663 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 15:50:31,664 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array3.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:50:31" (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 15:50:31,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 15:50:31,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 15:50:31,945 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 15:50:31,945 INFO L202 PluginConnector]: Adding new model array3.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:50:31 BoogieIcfgContainer [2018-07-23 15:50:31,945 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 15:50:31,947 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 15:50:31,947 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 15:50:31,950 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 15:50:31,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array3.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:50:31" (1/2) ... [2018-07-23 15:50:31,953 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42124120 and model type array3.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 03:50:31, skipping insertion in model container [2018-07-23 15:50:31,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array3.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:50:31" (2/2) ... [2018-07-23 15:50:31,956 INFO L112 eAbstractionObserver]: Analyzing ICFG array3.i_4.bpl [2018-07-23 15:50:31,964 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-23 15:50:31,971 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 15:50:32,015 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 15:50:32,016 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 15:50:32,016 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 15:50:32,017 INFO L375 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-23 15:50:32,017 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 15:50:32,017 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 15:50:32,017 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 15:50:32,017 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 15:50:32,018 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 15:50:32,032 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2018-07-23 15:50:32,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-23 15:50:32,041 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 15:50:32,042 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-07-23 15:50:32,044 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 15:50:32,053 INFO L82 PathProgramCache]: Analyzing trace with hash 889539531, now seen corresponding path program 1 times [2018-07-23 15:50:32,060 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 15:50:32,256 WARN L169 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-07-23 15:50:32,375 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 15:50:32,375 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-23 15:50:32,380 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 15:50:32,385 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 15:50:32,386 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-23 15:50:32,388 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 3 states. [2018-07-23 15:50:32,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 15:50:32,440 INFO L93 Difference]: Finished difference Result 16 states and 20 transitions. [2018-07-23 15:50:32,441 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 15:50:32,443 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2018-07-23 15:50:32,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 15:50:32,455 INFO L225 Difference]: With dead ends: 16 [2018-07-23 15:50:32,455 INFO L226 Difference]: Without dead ends: 11 [2018-07-23 15:50:32,459 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 15:50:32,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2018-07-23 15:50:32,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2018-07-23 15:50:32,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2018-07-23 15:50:32,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions. [2018-07-23 15:50:32,498 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 12 transitions. Word has length 6 [2018-07-23 15:50:32,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 15:50:32,498 INFO L471 AbstractCegarLoop]: Abstraction has 11 states and 12 transitions. [2018-07-23 15:50:32,499 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 15:50:32,499 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2018-07-23 15:50:32,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-07-23 15:50:32,499 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 15:50:32,500 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2018-07-23 15:50:32,500 INFO L414 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 15:50:32,500 INFO L82 PathProgramCache]: Analyzing trace with hash 1897191999, now seen corresponding path program 1 times [2018-07-23 15:50:32,501 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 15:50:33,081 WARN L169 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 26 [2018-07-23 15:50:33,533 WARN L169 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 25 [2018-07-23 15:50:34,190 WARN L169 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2018-07-23 15:50:35,324 WARN L169 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2018-07-23 15:50:37,257 WARN L169 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2018-07-23 15:50:41,093 WARN L169 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2018-07-23 15:50:47,506 WARN L169 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2018-07-23 15:50:59,705 WARN L169 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 92 [2018-07-23 15:51:14,576 WARN L169 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 103 [2018-07-23 15:51:37,267 WARN L169 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 114 [2018-07-23 15:52:10,291 WARN L169 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 125 [2018-07-23 15:52:56,388 WARN L169 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 136 [2018-07-23 15:54:01,356 WARN L169 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 147 Received shutdown request... [2018-07-23 15:55:07,046 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 15:55:07,050 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 15:55:07,050 INFO L202 PluginConnector]: Adding new model array3.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 03:55:07 BoogieIcfgContainer [2018-07-23 15:55:07,051 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 15:55:07,052 INFO L168 Benchmark]: Toolchain (without parser) took 275450.75 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -242.2 MB). Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 211.7 MB). Peak memory consumption was 339.2 MB. Max. memory is 7.1 GB. [2018-07-23 15:55:07,053 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 15:55:07,053 INFO L168 Benchmark]: Boogie Preprocessor took 59.15 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. [2018-07-23 15:55:07,054 INFO L168 Benchmark]: RCFGBuilder took 283.11 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-07-23 15:55:07,055 INFO L168 Benchmark]: TraceAbstraction took 275104.14 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -242.2 MB). Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 190.6 MB). Peak memory consumption was 318.0 MB. Max. memory is 7.1 GB. [2018-07-23 15:55:07,059 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 59.15 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 283.11 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 275104.14 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -242.2 MB). Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 190.6 MB). Peak memory consumption was 318.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 56]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 56). Cancelled while BasicCegarLoop was analyzing trace of length 11 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 40 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. TIMEOUT Result, 275.0s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 6 SDtfs, 1 SDslu, 3 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=11occurred 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: 0.2s 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/array3.i_4.bpl_AutomizerBpl-pdr.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-07-23_15-55-07-070.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/array3.i_4.bpl_AutomizerBpl-pdr.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_15-55-07-070.csv Completed graceful shutdown