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/fragtest_simple.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-56c9370 [2018-07-23 15:56:05,611 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 15:56:05,614 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 15:56:05,632 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 15:56:05,632 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 15:56:05,634 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 15:56:05,635 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 15:56:05,637 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 15:56:05,640 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 15:56:05,646 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 15:56:05,647 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 15:56:05,650 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 15:56:05,652 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 15:56:05,654 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 15:56:05,657 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 15:56:05,659 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 15:56:05,659 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 15:56:05,663 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 15:56:05,668 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 15:56:05,669 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 15:56:05,671 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 15:56:05,674 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 15:56:05,680 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 15:56:05,680 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 15:56:05,680 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 15:56:05,682 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 15:56:05,682 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 15:56:05,683 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 15:56:05,684 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 15:56:05,685 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 15:56:05,685 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 15:56:05,686 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-23 15:56:05,686 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 15:56:05,687 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 15:56:05,688 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 15:56:05,690 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 15:56:05,690 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 15:56:05,704 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 15:56:05,704 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 15:56:05,705 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 15:56:05,705 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-23 15:56:05,706 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-23 15:56:05,706 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 15:56:05,763 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 15:56:05,777 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 15:56:05,781 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 15:56:05,783 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-23 15:56:05,783 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-23 15:56:05,784 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/fragtest_simple.i_4.bpl [2018-07-23 15:56:05,784 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/fragtest_simple.i_4.bpl' [2018-07-23 15:56:05,836 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 15:56:05,838 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-07-23 15:56:05,839 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 15:56:05,839 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 15:56:05,839 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 15:56:05,867 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:56:05" (1/1) ... [2018-07-23 15:56:05,868 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:56:05" (1/1) ... [2018-07-23 15:56:05,879 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:56:05" (1/1) ... [2018-07-23 15:56:05,879 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:56:05" (1/1) ... [2018-07-23 15:56:05,882 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:56:05" (1/1) ... [2018-07-23 15:56:05,885 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:56:05" (1/1) ... [2018-07-23 15:56:05,886 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:56:05" (1/1) ... [2018-07-23 15:56:05,888 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 15:56:05,889 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 15:56:05,889 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 15:56:05,889 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 15:56:05,890 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:56:05" (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 15:56:05,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 15:56:05,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 15:56:06,174 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 15:56:06,175 INFO L202 PluginConnector]: Adding new model fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:56:06 BoogieIcfgContainer [2018-07-23 15:56:06,175 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 15:56:06,176 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 15:56:06,177 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 15:56:06,180 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 15:56:06,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:56:05" (1/2) ... [2018-07-23 15:56:06,182 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44ae1d05 and model type fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 03:56:06, skipping insertion in model container [2018-07-23 15:56:06,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:56:06" (2/2) ... [2018-07-23 15:56:06,184 INFO L112 eAbstractionObserver]: Analyzing ICFG fragtest_simple.i_4.bpl [2018-07-23 15:56:06,195 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-23 15:56:06,204 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 15:56:06,253 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 15:56:06,254 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 15:56:06,255 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 15:56:06,255 INFO L375 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-23 15:56:06,255 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 15:56:06,255 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 15:56:06,256 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 15:56:06,256 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 15:56:06,256 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 15:56:06,272 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2018-07-23 15:56:06,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-23 15:56:06,281 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 15:56:06,282 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-07-23 15:56:06,283 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 15:56:06,288 INFO L82 PathProgramCache]: Analyzing trace with hash 889599113, now seen corresponding path program 1 times [2018-07-23 15:56:06,295 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 15:56:07,189 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 15:56:07,189 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-23 15:56:07,193 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-23 15:56:07,198 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-23 15:56:07,198 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-07-23 15:56:07,201 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 6 states. [2018-07-23 15:56:07,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 15:56:07,329 INFO L93 Difference]: Finished difference Result 12 states and 14 transitions. [2018-07-23 15:56:07,329 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-07-23 15:56:07,331 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 6 [2018-07-23 15:56:07,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 15:56:07,343 INFO L225 Difference]: With dead ends: 12 [2018-07-23 15:56:07,343 INFO L226 Difference]: Without dead ends: 9 [2018-07-23 15:56:07,347 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-07-23 15:56:07,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2018-07-23 15:56:07,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-07-23 15:56:07,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2018-07-23 15:56:07,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2018-07-23 15:56:07,389 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 10 transitions. Word has length 6 [2018-07-23 15:56:07,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 15:56:07,389 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 10 transitions. [2018-07-23 15:56:07,389 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-23 15:56:07,390 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2018-07-23 15:56:07,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-07-23 15:56:07,390 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 15:56:07,390 INFO L353 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2018-07-23 15:56:07,391 INFO L414 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 15:56:07,391 INFO L82 PathProgramCache]: Analyzing trace with hash 206308035, now seen corresponding path program 1 times [2018-07-23 15:56:07,391 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 15:56:07,785 WARN L169 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-07-23 15:56:08,845 WARN L169 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-07-23 15:56:26,513 WARN L169 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2018-07-23 15:56:42,693 WARN L169 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2018-07-23 15:56:53,582 WARN L169 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2018-07-23 15:57:08,910 WARN L169 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2018-07-23 15:57:26,416 WARN L169 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2018-07-23 15:57:49,869 WARN L169 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2018-07-23 15:58:17,068 WARN L169 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 70 [2018-07-23 15:58:51,857 WARN L169 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2018-07-23 15:59:31,962 WARN L169 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 77 [2018-07-23 15:59:32,499 WARN L169 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2018-07-23 16:00:22,194 WARN L169 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 89 [2018-07-23 16:00:23,155 WARN L169 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 Received shutdown request... [2018-07-23 16:00:37,567 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 16:00:37,572 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 16:00:37,572 INFO L202 PluginConnector]: Adding new model fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 04:00:37 BoogieIcfgContainer [2018-07-23 16:00:37,573 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 16:00:37,574 INFO L168 Benchmark]: Toolchain (without parser) took 271736.95 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -189.8 MB). Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 276.9 MB). Peak memory consumption was 87.1 MB. Max. memory is 7.1 GB. [2018-07-23 16:00:37,575 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 16:00:37,576 INFO L168 Benchmark]: Boogie Preprocessor took 49.51 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 16:00:37,577 INFO L168 Benchmark]: RCFGBuilder took 286.36 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 16:00:37,578 INFO L168 Benchmark]: TraceAbstraction took 271396.45 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -189.8 MB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 255.7 MB). Peak memory consumption was 66.0 MB. Max. memory is 7.1 GB. [2018-07-23 16:00:37,581 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 49.51 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 286.36 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 271396.45 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -189.8 MB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 255.7 MB). Peak memory consumption was 66.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 75]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 75). Cancelled while BasicCegarLoop was analyzing trace of length 9 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 124 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. TIMEOUT Result, 271.3s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 6 SDtfs, 3 SDslu, 10 SDs, 0 SdLazy, 12 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 96 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.7s 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.8s 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/fragtest_simple.i_4.bpl_AutomizerBpl-pdr.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-07-23_16-00-37-594.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/fragtest_simple.i_4.bpl_AutomizerBpl-pdr.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_16-00-37-594.csv Completed graceful shutdown