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/toy/tooDifficultLoopInvariant/HiddenInequality.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-56c9370 [2018-07-23 16:19:49,425 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 16:19:49,429 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 16:19:49,441 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 16:19:49,442 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 16:19:49,443 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 16:19:49,444 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 16:19:49,446 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 16:19:49,447 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 16:19:49,448 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 16:19:49,452 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 16:19:49,453 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 16:19:49,454 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 16:19:49,456 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 16:19:49,460 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 16:19:49,461 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 16:19:49,467 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 16:19:49,469 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 16:19:49,474 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 16:19:49,476 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 16:19:49,480 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 16:19:49,481 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 16:19:49,488 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 16:19:49,489 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 16:19:49,489 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 16:19:49,492 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 16:19:49,493 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 16:19:49,495 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 16:19:49,495 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 16:19:49,497 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 16:19:49,497 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 16:19:49,498 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-23 16:19:49,498 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 16:19:49,498 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 16:19:49,499 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 16:19:49,500 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 16:19:49,500 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 16:19:49,509 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 16:19:49,510 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 16:19:49,511 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 16:19:49,512 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-23 16:19:49,512 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-23 16:19:49,512 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 16:19:49,576 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 16:19:49,594 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 16:19:49,601 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 16:19:49,603 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-23 16:19:49,603 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-23 16:19:49,604 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HiddenInequality.bpl [2018-07-23 16:19:49,604 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HiddenInequality.bpl' [2018-07-23 16:19:49,653 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 16:19:49,655 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-07-23 16:19:49,656 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 16:19:49,656 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 16:19:49,656 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 16:19:49,687 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "HiddenInequality.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:19:49" (1/1) ... [2018-07-23 16:19:49,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "HiddenInequality.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:19:49" (1/1) ... [2018-07-23 16:19:49,699 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "HiddenInequality.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:19:49" (1/1) ... [2018-07-23 16:19:49,700 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "HiddenInequality.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:19:49" (1/1) ... [2018-07-23 16:19:49,702 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "HiddenInequality.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:19:49" (1/1) ... [2018-07-23 16:19:49,708 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "HiddenInequality.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:19:49" (1/1) ... [2018-07-23 16:19:49,709 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "HiddenInequality.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:19:49" (1/1) ... [2018-07-23 16:19:49,712 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 16:19:49,713 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 16:19:49,713 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 16:19:49,713 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 16:19:49,714 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "HiddenInequality.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:19:49" (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 16:19:49,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 16:19:49,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 16:19:50,037 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 16:19:50,038 INFO L202 PluginConnector]: Adding new model HiddenInequality.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 04:19:50 BoogieIcfgContainer [2018-07-23 16:19:50,038 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 16:19:50,039 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 16:19:50,040 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 16:19:50,043 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 16:19:50,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "HiddenInequality.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:19:49" (1/2) ... [2018-07-23 16:19:50,045 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2196ce67 and model type HiddenInequality.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 04:19:50, skipping insertion in model container [2018-07-23 16:19:50,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "HiddenInequality.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 04:19:50" (2/2) ... [2018-07-23 16:19:50,047 INFO L112 eAbstractionObserver]: Analyzing ICFG HiddenInequality.bpl [2018-07-23 16:19:50,057 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-23 16:19:50,068 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 16:19:50,113 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 16:19:50,114 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 16:19:50,114 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 16:19:50,115 INFO L375 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-23 16:19:50,115 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 16:19:50,115 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 16:19:50,115 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 16:19:50,115 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 16:19:50,116 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 16:19:50,130 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. [2018-07-23 16:19:50,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-07-23 16:19:50,139 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 16:19:50,140 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-07-23 16:19:50,141 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 16:19:50,147 INFO L82 PathProgramCache]: Analyzing trace with hash 29984, now seen corresponding path program 1 times [2018-07-23 16:19:50,153 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 16:19:50,411 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 16:19:50,412 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-23 16:19:50,416 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 16:19:50,423 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 16:19:50,424 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-07-23 16:19:50,427 INFO L87 Difference]: Start difference. First operand 5 states. Second operand 4 states. [2018-07-23 16:19:50,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 16:19:50,510 INFO L93 Difference]: Finished difference Result 8 states and 9 transitions. [2018-07-23 16:19:50,512 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 16:19:50,513 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 3 [2018-07-23 16:19:50,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 16:19:50,530 INFO L225 Difference]: With dead ends: 8 [2018-07-23 16:19:50,531 INFO L226 Difference]: Without dead ends: 5 [2018-07-23 16:19:50,536 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-07-23 16:19:50,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states. [2018-07-23 16:19:50,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2018-07-23 16:19:50,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-07-23 16:19:50,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-07-23 16:19:50,572 INFO L78 Accepts]: Start accepts. Automaton has 5 states and 5 transitions. Word has length 3 [2018-07-23 16:19:50,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 16:19:50,573 INFO L471 AbstractCegarLoop]: Abstraction has 5 states and 5 transitions. [2018-07-23 16:19:50,573 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 16:19:50,573 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-07-23 16:19:50,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-23 16:19:50,574 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 16:19:50,574 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-23 16:19:50,575 INFO L414 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 16:19:50,575 INFO L82 PathProgramCache]: Analyzing trace with hash 927558, now seen corresponding path program 1 times [2018-07-23 16:19:50,575 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 16:19:51,504 WARN L169 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 19 [2018-07-23 16:19:52,185 WARN L169 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 24 [2018-07-23 16:20:06,296 WARN L169 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2018-07-23 16:20:11,247 WARN L169 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2018-07-23 16:20:17,510 WARN L169 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2018-07-23 16:20:25,434 WARN L169 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 78 [2018-07-23 16:20:35,561 WARN L169 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2018-07-23 16:20:48,444 WARN L169 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 90 [2018-07-23 16:21:04,508 WARN L169 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 96 [2018-07-23 16:21:24,460 WARN L169 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 102 [2018-07-23 16:21:49,723 WARN L169 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 109 [2018-07-23 16:22:20,406 WARN L169 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 116 [2018-07-23 16:22:57,329 WARN L169 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 123 [2018-07-23 16:23:39,460 WARN L169 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 130 Received shutdown request... [2018-07-23 16:24:21,679 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 16:24:21,683 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 16:24:21,684 INFO L202 PluginConnector]: Adding new model HiddenInequality.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 04:24:21 BoogieIcfgContainer [2018-07-23 16:24:21,684 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 16:24:21,685 INFO L168 Benchmark]: Toolchain (without parser) took 272030.88 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -217.6 MB). Free memory was 1.5 GB in the beginning and 959.9 MB in the end (delta: 523.7 MB). Peak memory consumption was 306.1 MB. Max. memory is 7.1 GB. [2018-07-23 16:24:21,686 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 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 16:24:21,687 INFO L168 Benchmark]: Boogie Preprocessor took 56.38 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 16:24:21,688 INFO L168 Benchmark]: RCFGBuilder took 325.26 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 16:24:21,689 INFO L168 Benchmark]: TraceAbstraction took 271644.78 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -217.6 MB). Free memory was 1.5 GB in the beginning and 959.9 MB in the end (delta: 502.5 MB). Peak memory consumption was 285.0 MB. Max. memory is 7.1 GB. [2018-07-23 16:24:21,693 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 0.23 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 56.38 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 325.26 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 271644.78 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -217.6 MB). Free memory was 1.5 GB in the beginning and 959.9 MB in the end (delta: 502.5 MB). Peak memory consumption was 285.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 29]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 29). Cancelled while BasicCegarLoop was analyzing trace of length 5 with TraceHistMax 1, while PredicateComparison was comparing new predicate (quantifier-free) to 68 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. TIMEOUT Result, 271.5s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 7 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5occurred in iteration=0, 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/HiddenInequality.bpl_AutomizerBpl-pdr.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-07-23_16-24-21-705.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/HiddenInequality.bpl_AutomizerBpl-pdr.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_16-24-21-705.csv Completed graceful shutdown