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/NeonAngel01.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-56c9370 [2018-07-23 16:23:20,276 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 16:23:20,278 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 16:23:20,296 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 16:23:20,296 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 16:23:20,297 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 16:23:20,299 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 16:23:20,301 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 16:23:20,303 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 16:23:20,304 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 16:23:20,305 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 16:23:20,306 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 16:23:20,307 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 16:23:20,307 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 16:23:20,309 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 16:23:20,309 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 16:23:20,310 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 16:23:20,312 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 16:23:20,314 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 16:23:20,316 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 16:23:20,317 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 16:23:20,318 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 16:23:20,320 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 16:23:20,320 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 16:23:20,320 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 16:23:20,321 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 16:23:20,322 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 16:23:20,323 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 16:23:20,324 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 16:23:20,325 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 16:23:20,325 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 16:23:20,326 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-23 16:23:20,326 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 16:23:20,326 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 16:23:20,327 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 16:23:20,328 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 16:23:20,328 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 16:23:20,341 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 16:23:20,341 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 16:23:20,343 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 16:23:20,343 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-23 16:23:20,344 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-23 16:23:20,344 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 16:23:20,397 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 16:23:20,411 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 16:23:20,418 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 16:23:20,420 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-23 16:23:20,421 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-23 16:23:20,422 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/NeonAngel01.bpl [2018-07-23 16:23:20,422 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/NeonAngel01.bpl' [2018-07-23 16:23:20,475 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 16:23:20,477 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-07-23 16:23:20,478 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 16:23:20,478 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 16:23:20,478 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 16:23:20,509 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "NeonAngel01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:23:20" (1/1) ... [2018-07-23 16:23:20,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "NeonAngel01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:23:20" (1/1) ... [2018-07-23 16:23:20,521 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "NeonAngel01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:23:20" (1/1) ... [2018-07-23 16:23:20,521 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "NeonAngel01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:23:20" (1/1) ... [2018-07-23 16:23:20,524 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "NeonAngel01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:23:20" (1/1) ... [2018-07-23 16:23:20,532 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "NeonAngel01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:23:20" (1/1) ... [2018-07-23 16:23:20,533 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "NeonAngel01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:23:20" (1/1) ... [2018-07-23 16:23:20,535 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 16:23:20,536 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 16:23:20,536 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 16:23:20,536 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 16:23:20,537 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "NeonAngel01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:23:20" (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 16:23:20,612 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-07-23 16:23:20,612 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-23 16:23:20,612 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-23 16:23:20,807 INFO L258 CfgBuilder]: Using library mode [2018-07-23 16:23:20,808 INFO L202 PluginConnector]: Adding new model NeonAngel01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 04:23:20 BoogieIcfgContainer [2018-07-23 16:23:20,808 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 16:23:20,810 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 16:23:20,810 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 16:23:20,813 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 16:23:20,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "NeonAngel01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:23:20" (1/2) ... [2018-07-23 16:23:20,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4633614e and model type NeonAngel01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 04:23:20, skipping insertion in model container [2018-07-23 16:23:20,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "NeonAngel01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 04:23:20" (2/2) ... [2018-07-23 16:23:20,821 INFO L112 eAbstractionObserver]: Analyzing ICFG NeonAngel01.bpl [2018-07-23 16:23:20,831 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-23 16:23:20,839 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 16:23:20,891 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 16:23:20,892 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 16:23:20,892 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 16:23:20,892 INFO L375 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-23 16:23:20,893 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 16:23:20,893 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 16:23:20,893 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 16:23:20,893 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 16:23:20,894 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 16:23:20,912 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-07-23 16:23:20,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-07-23 16:23:20,921 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 16:23:20,922 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-07-23 16:23:20,922 INFO L414 AbstractCegarLoop]: === Iteration 1 === [mainErr0AssertViolationASSERT]=== [2018-07-23 16:23:20,928 INFO L82 PathProgramCache]: Analyzing trace with hash 30048, now seen corresponding path program 1 times [2018-07-23 16:23:20,934 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 16:23:21,186 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 16:23:21,186 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-23 16:23:21,191 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 16:23:21,197 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 16:23:21,198 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-07-23 16:23:21,200 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 4 states. [2018-07-23 16:23:21,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 16:23:21,292 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2018-07-23 16:23:21,292 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 16:23:21,294 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 3 [2018-07-23 16:23:21,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 16:23:21,312 INFO L225 Difference]: With dead ends: 11 [2018-07-23 16:23:21,312 INFO L226 Difference]: Without dead ends: 5 [2018-07-23 16:23:21,317 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 16:23:21,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states. [2018-07-23 16:23:21,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2018-07-23 16:23:21,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-07-23 16:23:21,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-07-23 16:23:21,349 INFO L78 Accepts]: Start accepts. Automaton has 5 states and 5 transitions. Word has length 3 [2018-07-23 16:23:21,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 16:23:21,349 INFO L471 AbstractCegarLoop]: Abstraction has 5 states and 5 transitions. [2018-07-23 16:23:21,349 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 16:23:21,350 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-07-23 16:23:21,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-23 16:23:21,350 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 16:23:21,350 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-23 16:23:21,350 INFO L414 AbstractCegarLoop]: === Iteration 2 === [mainErr0AssertViolationASSERT]=== [2018-07-23 16:23:21,351 INFO L82 PathProgramCache]: Analyzing trace with hash 927622, now seen corresponding path program 1 times [2018-07-23 16:23:21,351 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 16:23:22,346 WARN L169 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2018-07-23 16:23:36,801 WARN L169 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2018-07-23 16:23:37,860 WARN L169 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2018-07-23 16:24:17,144 WARN L169 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2018-07-23 16:24:22,399 WARN L169 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2018-07-23 16:24:35,325 WARN L1010 $PredicateComparison]: unable to prove that (and (= c_main_x 31405) (not (= (mod (+ (mod (+ (mod (+ (mod (+ (mod (+ (mod (+ (mod (+ (mod (+ (mod (+ (mod (+ c_main_y 1) 65535) 1) 65535) 1) 65535) 1) 65535) 1) 65535) 1) 65535) 1) 65535) 1) 65535) 1) 65535) 1) 65535) 31415))) is different from false [2018-07-23 16:25:00,927 WARN L169 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2018-07-23 16:25:41,149 WARN L169 SmtUtils]: Spent 12.61 s on a formula simplification that was a NOOP. DAG size: 99 [2018-07-23 16:26:03,002 WARN L169 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2018-07-23 16:26:37,382 WARN L169 SmtUtils]: Spent 21.07 s on a formula simplification that was a NOOP. DAG size: 107 [2018-07-23 16:26:50,987 WARN L169 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2018-07-23 16:26:58,212 WARN L169 SmtUtils]: Spent 1.89 s on a formula simplification that was a NOOP. DAG size: 37 [2018-07-23 16:27:40,616 WARN L169 SmtUtils]: Spent 24.05 s on a formula simplification that was a NOOP. DAG size: 115 Received shutdown request... [2018-07-23 16:28:14,065 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 16:28:14,071 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 16:28:14,071 INFO L202 PluginConnector]: Adding new model NeonAngel01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 04:28:14 BoogieIcfgContainer [2018-07-23 16:28:14,071 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 16:28:14,072 INFO L168 Benchmark]: Toolchain (without parser) took 293596.44 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 26.2 MB). Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 98.2 MB). Peak memory consumption was 124.4 MB. Max. memory is 7.1 GB. [2018-07-23 16:28:14,073 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 16:28:14,074 INFO L168 Benchmark]: Boogie Preprocessor took 57.62 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 16:28:14,074 INFO L168 Benchmark]: RCFGBuilder took 272.52 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 16:28:14,075 INFO L168 Benchmark]: TraceAbstraction took 293261.91 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 26.2 MB). Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 77.0 MB). Peak memory consumption was 103.3 MB. Max. memory is 7.1 GB. [2018-07-23 16:28:14,079 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 57.62 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 272.52 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 293261.91 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 26.2 MB). Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 77.0 MB). Peak memory consumption was 103.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 26]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 26). Cancelled while BasicCegarLoop was analyzing trace of length 5 with TraceHistMax 1, while PredicateComparison was comparing new predicate (quantifier-free) to 46 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. TIMEOUT Result, 293.1s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4 SDtfs, 6 SDslu, 1 SDs, 0 SdLazy, 9 SolverSat, 3 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=6occurred 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/NeonAngel01.bpl_AutomizerBpl-pdr.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-07-23_16-28-14-091.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/NeonAngel01.bpl_AutomizerBpl-pdr.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_16-28-14-091.csv Completed graceful shutdown