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/count_by_nondet.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-56c9370 [2018-07-23 15:53:07,523 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 15:53:07,525 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 15:53:07,537 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 15:53:07,537 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 15:53:07,538 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 15:53:07,540 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 15:53:07,541 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 15:53:07,543 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 15:53:07,544 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 15:53:07,545 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 15:53:07,545 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 15:53:07,546 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 15:53:07,547 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 15:53:07,548 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 15:53:07,549 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 15:53:07,550 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 15:53:07,552 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 15:53:07,554 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 15:53:07,556 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 15:53:07,557 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 15:53:07,558 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 15:53:07,560 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 15:53:07,560 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 15:53:07,561 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 15:53:07,562 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 15:53:07,563 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 15:53:07,564 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 15:53:07,564 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 15:53:07,565 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 15:53:07,566 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 15:53:07,567 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-23 15:53:07,567 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 15:53:07,567 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 15:53:07,568 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 15:53:07,569 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 15:53:07,569 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 15:53:07,578 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 15:53:07,580 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 15:53:07,581 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 15:53:07,582 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-23 15:53:07,582 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-23 15:53:07,582 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 15:53:07,648 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 15:53:07,662 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 15:53:07,666 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 15:53:07,668 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-23 15:53:07,671 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-23 15:53:07,671 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/count_by_nondet.i_3.bpl [2018-07-23 15:53:07,672 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/count_by_nondet.i_3.bpl' [2018-07-23 15:53:07,727 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 15:53:07,728 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-07-23 15:53:07,729 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 15:53:07,729 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 15:53:07,729 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 15:53:07,759 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "count_by_nondet.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:53:07" (1/1) ... [2018-07-23 15:53:07,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "count_by_nondet.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:53:07" (1/1) ... [2018-07-23 15:53:07,770 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "count_by_nondet.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:53:07" (1/1) ... [2018-07-23 15:53:07,771 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "count_by_nondet.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:53:07" (1/1) ... [2018-07-23 15:53:07,774 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "count_by_nondet.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:53:07" (1/1) ... [2018-07-23 15:53:07,777 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "count_by_nondet.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:53:07" (1/1) ... [2018-07-23 15:53:07,778 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "count_by_nondet.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:53:07" (1/1) ... [2018-07-23 15:53:07,780 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 15:53:07,781 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 15:53:07,781 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 15:53:07,781 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 15:53:07,784 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "count_by_nondet.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:53:07" (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 15:53:07,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 15:53:07,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 15:53:08,056 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 15:53:08,056 INFO L202 PluginConnector]: Adding new model count_by_nondet.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:53:08 BoogieIcfgContainer [2018-07-23 15:53:08,056 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 15:53:08,057 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 15:53:08,058 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 15:53:08,063 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 15:53:08,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "count_by_nondet.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:53:07" (1/2) ... [2018-07-23 15:53:08,064 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11ec23d9 and model type count_by_nondet.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 03:53:08, skipping insertion in model container [2018-07-23 15:53:08,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "count_by_nondet.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:53:08" (2/2) ... [2018-07-23 15:53:08,067 INFO L112 eAbstractionObserver]: Analyzing ICFG count_by_nondet.i_3.bpl [2018-07-23 15:53:08,077 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-23 15:53:08,084 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 15:53:08,129 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 15:53:08,130 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 15:53:08,130 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 15:53:08,131 INFO L375 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-23 15:53:08,131 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 15:53:08,131 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 15:53:08,131 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 15:53:08,131 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 15:53:08,132 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 15:53:08,146 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-07-23 15:53:08,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-23 15:53:08,159 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 15:53:08,161 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-23 15:53:08,161 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 15:53:08,167 INFO L82 PathProgramCache]: Analyzing trace with hash 925639, now seen corresponding path program 1 times [2018-07-23 15:53:08,173 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 15:53:08,348 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 15:53:08,349 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-23 15:53:08,354 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 15:53:08,361 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 15:53:08,362 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-23 15:53:08,365 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2018-07-23 15:53:08,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 15:53:08,437 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-07-23 15:53:08,439 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 15:53:08,441 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-07-23 15:53:08,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 15:53:08,466 INFO L225 Difference]: With dead ends: 10 [2018-07-23 15:53:08,467 INFO L226 Difference]: Without dead ends: 7 [2018-07-23 15:53:08,475 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-23 15:53:08,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-07-23 15:53:08,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-07-23 15:53:08,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-23 15:53:08,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-07-23 15:53:08,514 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-07-23 15:53:08,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 15:53:08,514 INFO L471 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-07-23 15:53:08,514 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 15:53:08,515 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-07-23 15:53:08,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-23 15:53:08,515 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 15:53:08,515 INFO L353 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-07-23 15:53:08,516 INFO L414 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 15:53:08,516 INFO L82 PathProgramCache]: Analyzing trace with hash 889591169, now seen corresponding path program 1 times [2018-07-23 15:53:08,516 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 15:53:09,170 WARN L169 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 21 [2018-07-23 15:53:09,694 WARN L169 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 26 [2018-07-23 15:53:10,363 WARN L169 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2018-07-23 15:53:10,613 WARN L169 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2018-07-23 15:53:11,254 WARN L169 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2018-07-23 15:53:11,909 WARN L169 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 41 [2018-07-23 15:53:12,155 WARN L169 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2018-07-23 15:53:13,007 WARN L169 SmtUtils]: Spent 546.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2018-07-23 15:53:15,221 WARN L169 SmtUtils]: Spent 547.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2018-07-23 15:53:19,706 WARN L169 SmtUtils]: Spent 958.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2018-07-23 15:53:27,911 WARN L169 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 198 [2018-07-23 15:53:30,917 WARN L169 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 67 DAG size of output: 61 [2018-07-23 15:53:45,388 WARN L169 SmtUtils]: Spent 4.14 s on a formula simplification that was a NOOP. DAG size: 229 [2018-07-23 15:54:35,205 WARN L169 SmtUtils]: Spent 23.34 s on a formula simplification that was a NOOP. DAG size: 262 [2018-07-23 15:55:23,508 WARN L169 SmtUtils]: Spent 8.77 s on a formula simplification that was a NOOP. DAG size: 297 Received shutdown request... [2018-07-23 15:58:05,000 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 15:58:05,005 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 15:58:05,005 INFO L202 PluginConnector]: Adding new model count_by_nondet.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 03:58:05 BoogieIcfgContainer [2018-07-23 15:58:05,005 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 15:58:05,006 INFO L168 Benchmark]: Toolchain (without parser) took 297278.94 ms. Allocated memory was 1.5 GB in the beginning and 1.8 GB in the end (delta: 249.0 MB). Free memory was 1.5 GB in the beginning and 1.0 GB in the end (delta: 455.3 MB). Peak memory consumption was 704.4 MB. Max. memory is 7.1 GB. [2018-07-23 15:58:05,007 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 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 15:58:05,009 INFO L168 Benchmark]: Boogie Preprocessor took 51.38 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 15:58:05,009 INFO L168 Benchmark]: RCFGBuilder took 275.65 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 15:58:05,010 INFO L168 Benchmark]: TraceAbstraction took 296947.94 ms. Allocated memory was 1.5 GB in the beginning and 1.8 GB in the end (delta: 249.0 MB). Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 434.2 MB). Peak memory consumption was 683.2 MB. Max. memory is 7.1 GB. [2018-07-23 15:58:05,015 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 0.20 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 51.38 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 275.65 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 296947.94 ms. Allocated memory was 1.5 GB in the beginning and 1.8 GB in the end (delta: 249.0 MB). Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 434.2 MB). Peak memory consumption was 683.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 42]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 42). Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 41 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. TIMEOUT Result, 296.8s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4 SDtfs, 0 SDslu, 2 SDs, 0 SdLazy, 3 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred 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/count_by_nondet.i_3.bpl_AutomizerBpl-pdr.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-07-23_15-58-05-027.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/count_by_nondet.i_3.bpl_AutomizerBpl-pdr.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_15-58-05-027.csv Completed graceful shutdown