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/matrix.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-56c9370 [2018-07-23 16:00:13,597 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 16:00:13,599 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 16:00:13,612 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 16:00:13,612 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 16:00:13,613 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 16:00:13,615 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 16:00:13,616 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 16:00:13,618 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 16:00:13,619 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 16:00:13,620 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 16:00:13,620 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 16:00:13,621 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 16:00:13,622 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 16:00:13,623 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 16:00:13,624 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 16:00:13,624 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 16:00:13,626 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 16:00:13,628 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 16:00:13,630 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 16:00:13,631 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 16:00:13,633 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 16:00:13,635 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 16:00:13,636 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 16:00:13,636 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 16:00:13,637 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 16:00:13,638 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 16:00:13,639 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 16:00:13,640 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 16:00:13,641 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 16:00:13,641 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 16:00:13,642 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-23 16:00:13,642 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 16:00:13,643 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 16:00:13,644 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 16:00:13,644 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 16:00:13,645 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 16:00:13,653 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 16:00:13,653 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 16:00:13,655 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 16:00:13,655 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-23 16:00:13,655 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-23 16:00:13,655 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 16:00:13,710 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 16:00:13,727 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 16:00:13,731 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 16:00:13,733 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-23 16:00:13,733 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-23 16:00:13,734 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/matrix.i_4.bpl [2018-07-23 16:00:13,734 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/matrix.i_4.bpl' [2018-07-23 16:00:13,784 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 16:00:13,786 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-07-23 16:00:13,786 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 16:00:13,787 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 16:00:13,787 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 16:00:13,808 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "matrix.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:00:13" (1/1) ... [2018-07-23 16:00:13,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "matrix.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:00:13" (1/1) ... [2018-07-23 16:00:13,823 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "matrix.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:00:13" (1/1) ... [2018-07-23 16:00:13,823 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "matrix.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:00:13" (1/1) ... [2018-07-23 16:00:13,826 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "matrix.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:00:13" (1/1) ... [2018-07-23 16:00:13,828 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "matrix.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:00:13" (1/1) ... [2018-07-23 16:00:13,830 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "matrix.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:00:13" (1/1) ... [2018-07-23 16:00:13,832 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 16:00:13,833 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 16:00:13,833 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 16:00:13,834 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 16:00:13,835 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "matrix.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:00:13" (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 16:00:13,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 16:00:13,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 16:00:14,208 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 16:00:14,209 INFO L202 PluginConnector]: Adding new model matrix.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 04:00:14 BoogieIcfgContainer [2018-07-23 16:00:14,209 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 16:00:14,210 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 16:00:14,211 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 16:00:14,214 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 16:00:14,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "matrix.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:00:13" (1/2) ... [2018-07-23 16:00:14,216 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11dcbe52 and model type matrix.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 04:00:14, skipping insertion in model container [2018-07-23 16:00:14,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "matrix.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 04:00:14" (2/2) ... [2018-07-23 16:00:14,218 INFO L112 eAbstractionObserver]: Analyzing ICFG matrix.i_4.bpl [2018-07-23 16:00:14,229 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-23 16:00:14,237 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 16:00:14,290 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 16:00:14,291 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 16:00:14,291 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 16:00:14,291 INFO L375 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-23 16:00:14,291 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 16:00:14,291 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 16:00:14,291 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 16:00:14,292 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 16:00:14,292 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 16:00:14,307 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2018-07-23 16:00:14,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-23 16:00:14,316 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 16:00:14,317 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-23 16:00:14,317 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 16:00:14,326 INFO L82 PathProgramCache]: Analyzing trace with hash 925639, now seen corresponding path program 1 times [2018-07-23 16:00:14,332 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 16:00:14,600 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 16:00:14,601 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-23 16:00:14,607 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 16:00:14,612 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 16:00:14,613 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-23 16:00:14,616 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 3 states. [2018-07-23 16:00:14,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 16:00:14,667 INFO L93 Difference]: Finished difference Result 15 states and 20 transitions. [2018-07-23 16:00:14,667 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 16:00:14,669 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-07-23 16:00:14,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 16:00:14,682 INFO L225 Difference]: With dead ends: 15 [2018-07-23 16:00:14,682 INFO L226 Difference]: Without dead ends: 9 [2018-07-23 16:00:14,686 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-23 16:00:14,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2018-07-23 16:00:14,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-07-23 16:00:14,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2018-07-23 16:00:14,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2018-07-23 16:00:14,726 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 10 transitions. Word has length 4 [2018-07-23 16:00:14,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 16:00:14,727 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 10 transitions. [2018-07-23 16:00:14,727 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 16:00:14,727 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2018-07-23 16:00:14,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-07-23 16:00:14,728 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 16:00:14,728 INFO L353 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2018-07-23 16:00:14,729 INFO L414 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 16:00:14,729 INFO L82 PathProgramCache]: Analyzing trace with hash 209100445, now seen corresponding path program 1 times [2018-07-23 16:00:14,729 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 16:00:15,479 WARN L169 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 26 [2018-07-23 16:00:18,296 WARN L169 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2018-07-23 16:00:20,364 WARN L169 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2018-07-23 16:00:23,686 WARN L169 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2018-07-23 16:00:28,860 WARN L169 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2018-07-23 16:00:29,233 WARN L169 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2018-07-23 16:00:38,162 WARN L169 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2018-07-23 16:00:48,540 WARN L169 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2018-07-23 16:01:04,172 WARN L169 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2018-07-23 16:01:29,369 WARN L169 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2018-07-23 16:01:59,125 WARN L169 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2018-07-23 16:02:37,291 WARN L169 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2018-07-23 16:03:30,433 WARN L169 SmtUtils]: Spent 989.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 Received shutdown request... [2018-07-23 16:04:53,902 WARN L177 SmtUtils]: Removed 11 from assertion stack [2018-07-23 16:04:53,904 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 16:04:53,908 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 16:04:53,909 INFO L202 PluginConnector]: Adding new model matrix.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 04:04:53 BoogieIcfgContainer [2018-07-23 16:04:53,909 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 16:04:53,910 INFO L168 Benchmark]: Toolchain (without parser) took 280124.85 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -76.5 MB). Free memory was 1.5 GB in the beginning and 917.2 MB in the end (delta: 556.0 MB). Peak memory consumption was 479.4 MB. Max. memory is 7.1 GB. [2018-07-23 16:04:53,911 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 16:04:53,912 INFO L168 Benchmark]: Boogie Preprocessor took 45.94 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 16:04:53,913 INFO L168 Benchmark]: RCFGBuilder took 375.76 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-07-23 16:04:53,914 INFO L168 Benchmark]: TraceAbstraction took 279698.68 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -76.5 MB). Free memory was 1.5 GB in the beginning and 917.2 MB in the end (delta: 534.8 MB). Peak memory consumption was 458.3 MB. Max. memory is 7.1 GB. [2018-07-23 16:04:53,918 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 45.94 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 375.76 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 279698.68 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -76.5 MB). Free memory was 1.5 GB in the beginning and 917.2 MB in the end (delta: 534.8 MB). Peak memory consumption was 458.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 48]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 48). Cancelled while BasicCegarLoop was analyzing trace of length 9 with TraceHistMax 2, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 70. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. TIMEOUT Result, 279.6s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 5 SDtfs, 2 SDslu, 2 SDs, 0 SdLazy, 5 SolverSat, 2 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, 0.1s 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: 0.2s PdrRuntime, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/matrix.i_4.bpl_AutomizerBpl-pdr.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-07-23_16-04-53-939.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/matrix.i_4.bpl_AutomizerBpl-pdr.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_16-04-53-939.csv Completed graceful shutdown