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/gr2006.c.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-56c9370 [2018-07-23 15:57:51,741 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 15:57:51,743 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 15:57:51,761 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 15:57:51,761 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 15:57:51,762 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 15:57:51,763 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 15:57:51,765 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 15:57:51,767 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 15:57:51,767 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 15:57:51,768 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 15:57:51,769 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 15:57:51,770 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 15:57:51,770 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 15:57:51,771 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 15:57:51,772 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 15:57:51,773 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 15:57:51,775 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 15:57:51,777 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 15:57:51,778 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 15:57:51,779 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 15:57:51,781 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 15:57:51,783 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 15:57:51,784 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 15:57:51,784 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 15:57:51,787 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 15:57:51,789 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 15:57:51,789 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 15:57:51,790 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 15:57:51,793 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 15:57:51,794 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 15:57:51,795 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-23 15:57:51,795 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 15:57:51,796 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 15:57:51,797 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 15:57:51,799 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 15:57:51,799 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 15:57:51,812 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 15:57:51,812 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 15:57:51,813 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 15:57:51,813 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-23 15:57:51,814 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-23 15:57:51,814 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 15:57:51,861 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 15:57:51,873 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 15:57:51,877 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 15:57:51,879 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-23 15:57:51,879 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-23 15:57:51,880 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/gr2006.c.i_4.bpl [2018-07-23 15:57:51,880 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/gr2006.c.i_4.bpl' [2018-07-23 15:57:51,930 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 15:57:51,932 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-07-23 15:57:51,933 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 15:57:51,933 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 15:57:51,933 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 15:57:51,962 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:57:51" (1/1) ... [2018-07-23 15:57:51,964 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:57:51" (1/1) ... [2018-07-23 15:57:51,973 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:57:51" (1/1) ... [2018-07-23 15:57:51,974 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:57:51" (1/1) ... [2018-07-23 15:57:51,976 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:57:51" (1/1) ... [2018-07-23 15:57:51,978 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:57:51" (1/1) ... [2018-07-23 15:57:51,979 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:57:51" (1/1) ... [2018-07-23 15:57:51,981 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 15:57:51,982 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 15:57:51,982 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 15:57:51,982 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 15:57:51,984 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:57:51" (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 15:57:52,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 15:57:52,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 15:57:52,338 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 15:57:52,339 INFO L202 PluginConnector]: Adding new model gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:57:52 BoogieIcfgContainer [2018-07-23 15:57:52,339 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 15:57:52,340 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 15:57:52,340 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 15:57:52,344 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 15:57:52,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:57:51" (1/2) ... [2018-07-23 15:57:52,346 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ccd7b24 and model type gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 03:57:52, skipping insertion in model container [2018-07-23 15:57:52,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:57:52" (2/2) ... [2018-07-23 15:57:52,348 INFO L112 eAbstractionObserver]: Analyzing ICFG gr2006.c.i_4.bpl [2018-07-23 15:57:52,358 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-23 15:57:52,367 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 15:57:52,416 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 15:57:52,417 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 15:57:52,418 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 15:57:52,418 INFO L375 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-23 15:57:52,418 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 15:57:52,418 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 15:57:52,419 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 15:57:52,419 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 15:57:52,419 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 15:57:52,434 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-07-23 15:57:52,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-23 15:57:52,442 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 15:57:52,443 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-23 15:57:52,444 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 15:57:52,449 INFO L82 PathProgramCache]: Analyzing trace with hash 944090, now seen corresponding path program 1 times [2018-07-23 15:57:52,456 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 15:57:52,956 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 15:57:52,956 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-23 15:57:52,961 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 15:57:52,968 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 15:57:52,969 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-07-23 15:57:52,972 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 4 states. [2018-07-23 15:57:53,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 15:57:53,181 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-07-23 15:57:53,181 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 15:57:53,183 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2018-07-23 15:57:53,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 15:57:53,203 INFO L225 Difference]: With dead ends: 10 [2018-07-23 15:57:53,203 INFO L226 Difference]: Without dead ends: 7 [2018-07-23 15:57:53,211 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-07-23 15:57:53,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-07-23 15:57:53,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-07-23 15:57:53,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-23 15:57:53,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-07-23 15:57:53,255 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-07-23 15:57:53,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 15:57:53,255 INFO L471 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-07-23 15:57:53,255 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 15:57:53,256 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-07-23 15:57:53,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-23 15:57:53,256 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 15:57:53,256 INFO L353 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-07-23 15:57:53,257 INFO L414 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 15:57:53,257 INFO L82 PathProgramCache]: Analyzing trace with hash 907335265, now seen corresponding path program 1 times [2018-07-23 15:57:53,258 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 15:57:53,722 WARN L169 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2018-07-23 15:57:54,841 WARN L169 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 72 [2018-07-23 15:57:55,976 WARN L169 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2018-07-23 15:57:57,976 WARN L169 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 152 [2018-07-23 15:57:59,770 WARN L169 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2018-07-23 15:58:02,356 WARN L169 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2018-07-23 15:58:08,148 WARN L169 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2018-07-23 15:58:16,224 WARN L169 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 252 [2018-07-23 15:58:31,984 WARN L169 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 301 [2018-07-23 15:58:58,437 WARN L169 SmtUtils]: Spent 596.00 ms on a formula simplification that was a NOOP. DAG size: 310 [2018-07-23 15:59:48,780 WARN L169 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 363 [2018-07-23 16:00:48,439 WARN L169 SmtUtils]: Spent 877.00 ms on a formula simplification. DAG size of input: 372 DAG size of output: 372 [2018-07-23 16:02:24,613 WARN L169 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 431 Received shutdown request... [2018-07-23 16:02:40,389 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 16:02:40,396 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 16:02:40,398 INFO L202 PluginConnector]: Adding new model gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 04:02:40 BoogieIcfgContainer [2018-07-23 16:02:40,398 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 16:02:40,399 INFO L168 Benchmark]: Toolchain (without parser) took 288467.75 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 169.3 MB). Free memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: -175.3 MB). Peak memory consumption was 762.4 MB. Max. memory is 7.1 GB. [2018-07-23 16:02:40,401 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 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 16:02:40,401 INFO L168 Benchmark]: Boogie Preprocessor took 48.38 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 16:02:40,402 INFO L168 Benchmark]: RCFGBuilder took 356.95 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 16:02:40,403 INFO L168 Benchmark]: TraceAbstraction took 288057.69 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 169.3 MB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -196.5 MB). Peak memory consumption was 741.3 MB. Max. memory is 7.1 GB. [2018-07-23 16:02:40,410 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 0.19 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 48.38 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 356.95 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 288057.69 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 169.3 MB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -196.5 MB). Peak memory consumption was 741.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 54]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 54). Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 54 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. TIMEOUT Result, 287.9s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3 SDtfs, 0 SDslu, 2 SDs, 0 SdLazy, 7 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 41 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s 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: 0.4s 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/gr2006.c.i_4.bpl_AutomizerBpl-pdr.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-07-23_16-02-40-428.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/gr2006.c.i_4.bpl_AutomizerBpl-pdr.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_16-02-40-428.csv Completed graceful shutdown