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/20170304-DifficultPathPrograms/array3.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ff8eab6 [2018-09-26 09:35:16,440 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 09:35:16,442 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 09:35:16,455 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 09:35:16,456 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 09:35:16,457 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 09:35:16,458 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 09:35:16,460 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 09:35:16,462 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 09:35:16,463 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 09:35:16,464 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 09:35:16,464 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 09:35:16,465 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 09:35:16,466 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 09:35:16,467 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 09:35:16,468 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 09:35:16,469 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 09:35:16,472 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 09:35:16,475 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 09:35:16,480 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 09:35:16,481 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 09:35:16,484 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 09:35:16,490 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 09:35:16,491 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 09:35:16,491 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 09:35:16,493 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 09:35:16,497 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 09:35:16,498 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 09:35:16,499 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 09:35:16,503 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 09:35:16,504 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 09:35:16,504 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 09:35:16,506 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 09:35:16,506 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 09:35:16,507 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 09:35:16,509 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 09:35:16,510 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 09:35:16,524 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 09:35:16,525 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 09:35:16,527 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 09:35:16,527 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-09-26 09:35:16,527 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 09:35:16,527 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-09-26 09:35:16,527 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-09-26 09:35:16,528 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 09:35:16,573 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 09:35:16,588 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 09:35:16,594 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 09:35:16,596 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 09:35:16,596 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 09:35:16,597 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/array3.i_4.bpl [2018-09-26 09:35:16,598 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/array3.i_4.bpl' [2018-09-26 09:35:16,679 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 09:35:16,683 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 09:35:16,684 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 09:35:16,684 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 09:35:16,684 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 09:35:16,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array3.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:35:16" (1/1) ... [2018-09-26 09:35:16,721 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array3.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:35:16" (1/1) ... [2018-09-26 09:35:16,729 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 09:35:16,730 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 09:35:16,730 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 09:35:16,730 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 09:35:16,743 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array3.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:35:16" (1/1) ... [2018-09-26 09:35:16,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array3.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:35:16" (1/1) ... [2018-09-26 09:35:16,745 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array3.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:35:16" (1/1) ... [2018-09-26 09:35:16,745 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array3.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:35:16" (1/1) ... [2018-09-26 09:35:16,749 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array3.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:35:16" (1/1) ... [2018-09-26 09:35:16,751 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array3.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:35:16" (1/1) ... [2018-09-26 09:35:16,753 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array3.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:35:16" (1/1) ... [2018-09-26 09:35:16,754 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 09:35:16,755 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 09:35:16,755 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 09:35:16,755 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 09:35:16,756 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array3.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:35:16" (1/1) ... [2018-09-26 09:35:16,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 09:35:16,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 09:35:17,052 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 09:35:17,053 INFO L202 PluginConnector]: Adding new model array3.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:35:17 BoogieIcfgContainer [2018-09-26 09:35:17,053 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 09:35:17,055 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 09:35:17,055 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 09:35:17,059 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 09:35:17,060 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array3.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:35:16" (1/2) ... [2018-09-26 09:35:17,061 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@aef0086 and model type array3.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 09:35:17, skipping insertion in model container [2018-09-26 09:35:17,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array3.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:35:17" (2/2) ... [2018-09-26 09:35:17,065 INFO L112 eAbstractionObserver]: Analyzing ICFG array3.i_4.bpl [2018-09-26 09:35:17,076 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-09-26 09:35:17,088 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-26 09:35:17,146 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 09:35:17,147 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 09:35:17,148 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 09:35:17,148 INFO L383 AbstractCegarLoop]: Compute interpolants for PDR [2018-09-26 09:35:17,148 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 09:35:17,148 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 09:35:17,148 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 09:35:17,149 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 09:35:17,149 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 09:35:17,168 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2018-09-26 09:35:17,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 09:35:17,185 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 09:35:17,186 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-09-26 09:35:17,187 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 09:35:17,193 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 09:35:17,194 INFO L82 PathProgramCache]: Analyzing trace with hash 889539531, now seen corresponding path program 1 times [2018-09-26 09:35:17,199 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 09:35:17,339 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 09:35:17,339 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-26 09:35:17,345 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-26 09:35:17,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-26 09:35:17,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-26 09:35:17,353 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 3 states. [2018-09-26 09:35:17,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 09:35:17,404 INFO L93 Difference]: Finished difference Result 16 states and 20 transitions. [2018-09-26 09:35:17,405 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-26 09:35:17,406 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2018-09-26 09:35:17,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 09:35:17,419 INFO L225 Difference]: With dead ends: 16 [2018-09-26 09:35:17,420 INFO L226 Difference]: Without dead ends: 11 [2018-09-26 09:35:17,424 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 39 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 09:35:17,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2018-09-26 09:35:17,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2018-09-26 09:35:17,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2018-09-26 09:35:17,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions. [2018-09-26 09:35:17,475 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 12 transitions. Word has length 6 [2018-09-26 09:35:17,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 09:35:17,476 INFO L480 AbstractCegarLoop]: Abstraction has 11 states and 12 transitions. [2018-09-26 09:35:17,476 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-26 09:35:17,476 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2018-09-26 09:35:17,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 09:35:17,477 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 09:35:17,477 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2018-09-26 09:35:17,478 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 09:35:17,479 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 09:35:17,479 INFO L82 PathProgramCache]: Analyzing trace with hash 1897191999, now seen corresponding path program 1 times [2018-09-26 09:35:17,479 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 09:35:22,789 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2018-09-26 09:37:06,514 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2018-09-26 09:37:43,075 WARN L178 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 169 [2018-09-26 09:38:35,131 WARN L178 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 180 Received shutdown request... [2018-09-26 09:39:33,123 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-26 09:39:33,129 WARN L206 ceAbstractionStarter]: Timeout [2018-09-26 09:39:33,129 INFO L202 PluginConnector]: Adding new model array3.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.09 09:39:33 BoogieIcfgContainer [2018-09-26 09:39:33,129 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-26 09:39:33,130 INFO L168 Benchmark]: Toolchain (without parser) took 256450.30 ms. Allocated memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: -413.7 MB). Free memory was 1.5 GB in the beginning and 971.3 MB in the end (delta: 493.9 MB). Peak memory consumption was 80.3 MB. Max. memory is 7.1 GB. [2018-09-26 09:39:33,132 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.26 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 09:39:33,133 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.58 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 09:39:33,134 INFO L168 Benchmark]: Boogie Preprocessor took 24.55 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 09:39:33,135 INFO L168 Benchmark]: RCFGBuilder took 299.06 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 09:39:33,136 INFO L168 Benchmark]: TraceAbstraction took 256074.97 ms. Allocated memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: -413.7 MB). Free memory was 1.5 GB in the beginning and 971.3 MB in the end (delta: 483.4 MB). Peak memory consumption was 69.7 MB. Max. memory is 7.1 GB. [2018-09-26 09:39:33,142 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 0.26 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 45.58 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 24.55 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 299.06 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 256074.97 ms. Allocated memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: -413.7 MB). Free memory was 1.5 GB in the beginning and 971.3 MB in the end (delta: 483.4 MB). Peak memory consumption was 69.7 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 49 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. TIMEOUT Result, 255.9s 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, 0.0s 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: 0.1s 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-smtinterpol.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_09-39-33-156.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/array3.i_4.bpl_AutomizerBpl-pdr-smtinterpol.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-26_09-39-33-156.csv Completed graceful shutdown