java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-smtinterpol.epf -i ../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/LexIndexValue-Pointer-Reduced.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 14:57:07,371 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 14:57:07,373 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 14:57:07,385 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 14:57:07,386 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 14:57:07,387 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 14:57:07,388 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 14:57:07,390 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 14:57:07,392 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 14:57:07,393 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 14:57:07,394 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 14:57:07,394 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 14:57:07,395 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 14:57:07,396 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 14:57:07,398 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 14:57:07,398 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 14:57:07,399 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 14:57:07,401 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 14:57:07,407 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 14:57:07,409 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 14:57:07,412 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 14:57:07,414 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 14:57:07,416 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 14:57:07,416 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 14:57:07,416 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 14:57:07,417 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 14:57:07,418 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 14:57:07,419 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 14:57:07,420 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 14:57:07,421 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 14:57:07,421 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 14:57:07,422 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-25 14:57:07,422 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-25 14:57:07,422 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-25 14:57:07,423 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-25 14:57:07,424 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-25 14:57:07,425 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-smtinterpol.epf [2018-07-25 14:57:07,433 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 14:57:07,433 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 14:57:07,435 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-25 14:57:07,435 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-07-25 14:57:07,435 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 14:57:07,436 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-25 14:57:07,436 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-25 14:57:07,436 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 14:57:07,484 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 14:57:07,497 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 14:57:07,501 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 14:57:07,503 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 14:57:07,504 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 14:57:07,504 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/LexIndexValue-Pointer-Reduced.bpl [2018-07-25 14:57:07,505 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/LexIndexValue-Pointer-Reduced.bpl' [2018-07-25 14:57:07,551 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 14:57:07,553 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 14:57:07,554 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 14:57:07,554 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 14:57:07,554 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 14:57:07,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "LexIndexValue-Pointer-Reduced.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:57:07" (1/1) ... [2018-07-25 14:57:07,589 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "LexIndexValue-Pointer-Reduced.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:57:07" (1/1) ... [2018-07-25 14:57:07,594 WARN L165 Inliner]: Program contained no entry procedure! [2018-07-25 14:57:07,594 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-07-25 14:57:07,594 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-07-25 14:57:07,597 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 14:57:07,598 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 14:57:07,598 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 14:57:07,598 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 14:57:07,609 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "LexIndexValue-Pointer-Reduced.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:57:07" (1/1) ... [2018-07-25 14:57:07,610 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "LexIndexValue-Pointer-Reduced.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:57:07" (1/1) ... [2018-07-25 14:57:07,610 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "LexIndexValue-Pointer-Reduced.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:57:07" (1/1) ... [2018-07-25 14:57:07,611 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "LexIndexValue-Pointer-Reduced.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:57:07" (1/1) ... [2018-07-25 14:57:07,613 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "LexIndexValue-Pointer-Reduced.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:57:07" (1/1) ... [2018-07-25 14:57:07,618 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "LexIndexValue-Pointer-Reduced.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:57:07" (1/1) ... [2018-07-25 14:57:07,619 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "LexIndexValue-Pointer-Reduced.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:57:07" (1/1) ... [2018-07-25 14:57:07,620 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 14:57:07,621 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 14:57:07,621 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 14:57:07,621 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 14:57:07,623 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "LexIndexValue-Pointer-Reduced.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:57:07" (1/1) ... [2018-07-25 14:57:07,709 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-25 14:57:07,710 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-25 14:57:07,828 INFO L270 CfgBuilder]: Using library mode [2018-07-25 14:57:07,829 INFO L202 PluginConnector]: Adding new model LexIndexValue-Pointer-Reduced.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 02:57:07 BoogieIcfgContainer [2018-07-25 14:57:07,829 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 14:57:07,830 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 14:57:07,831 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 14:57:07,834 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 14:57:07,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "LexIndexValue-Pointer-Reduced.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:57:07" (1/2) ... [2018-07-25 14:57:07,836 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75400700 and model type LexIndexValue-Pointer-Reduced.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 02:57:07, skipping insertion in model container [2018-07-25 14:57:07,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "LexIndexValue-Pointer-Reduced.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 02:57:07" (2/2) ... [2018-07-25 14:57:07,840 INFO L112 eAbstractionObserver]: Analyzing ICFG LexIndexValue-Pointer-Reduced.bpl [2018-07-25 14:57:07,851 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-25 14:57:07,860 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-25 14:57:07,914 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 14:57:07,915 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 14:57:07,916 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 14:57:07,916 INFO L376 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-25 14:57:07,916 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 14:57:07,916 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 14:57:07,916 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 14:57:07,917 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 14:57:07,917 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 14:57:07,938 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. [2018-07-25 14:57:07,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-07-25 14:57:07,949 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:57:07,950 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-07-25 14:57:07,951 INFO L415 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:57:07,958 INFO L82 PathProgramCache]: Analyzing trace with hash 29920, now seen corresponding path program 1 times [2018-07-25 14:57:07,965 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:57:08,074 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 14:57:08,076 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-25 14:57:08,081 INFO L451 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-25 14:57:08,088 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-25 14:57:08,088 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-07-25 14:57:08,091 INFO L87 Difference]: Start difference. First operand 5 states. Second operand 4 states. [2018-07-25 14:57:08,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 14:57:08,139 INFO L93 Difference]: Finished difference Result 9 states and 9 transitions. [2018-07-25 14:57:08,141 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-25 14:57:08,144 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 3 [2018-07-25 14:57:08,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 14:57:08,158 INFO L225 Difference]: With dead ends: 9 [2018-07-25 14:57:08,158 INFO L226 Difference]: Without dead ends: 6 [2018-07-25 14:57:08,163 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-07-25 14:57:08,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2018-07-25 14:57:08,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2018-07-25 14:57:08,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-07-25 14:57:08,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-07-25 14:57:08,202 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 6 transitions. Word has length 3 [2018-07-25 14:57:08,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 14:57:08,202 INFO L472 AbstractCegarLoop]: Abstraction has 6 states and 6 transitions. [2018-07-25 14:57:08,203 INFO L473 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-25 14:57:08,203 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-07-25 14:57:08,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-07-25 14:57:08,205 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:57:08,205 INFO L354 BasicCegarLoop]: trace histogram [2, 1, 1, 1] [2018-07-25 14:57:08,206 INFO L415 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:57:08,207 INFO L82 PathProgramCache]: Analyzing trace with hash 28754210, now seen corresponding path program 1 times [2018-07-25 14:57:08,208 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 15:01:12,655 WARN L169 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2018-07-25 15:01:33,987 WARN L169 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 414 Received shutdown request... [2018-07-25 15:01:40,310 WARN L541 AbstractCegarLoop]: Verification canceled [2018-07-25 15:01:40,315 WARN L202 ceAbstractionStarter]: Timeout [2018-07-25 15:01:40,315 INFO L202 PluginConnector]: Adding new model LexIndexValue-Pointer-Reduced.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.07 03:01:40 BoogieIcfgContainer [2018-07-25 15:01:40,316 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-25 15:01:40,317 INFO L168 Benchmark]: Toolchain (without parser) took 272765.13 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -149.4 MB). Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 344.2 MB). Peak memory consumption was 194.8 MB. Max. memory is 7.1 GB. [2018-07-25 15:01:40,319 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 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. [2018-07-25 15:01:40,320 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.35 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. [2018-07-25 15:01:40,320 INFO L168 Benchmark]: Boogie Preprocessor took 22.90 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. [2018-07-25 15:01:40,321 INFO L168 Benchmark]: RCFGBuilder took 208.24 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-07-25 15:01:40,322 INFO L168 Benchmark]: TraceAbstraction took 272485.55 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -149.4 MB). Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 333.7 MB). Peak memory consumption was 184.2 MB. Max. memory is 7.1 GB. [2018-07-25 15:01:40,327 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 0.22 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 Procedure Inliner took 43.35 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 22.90 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 208.24 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 272485.55 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -149.4 MB). Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 333.7 MB). Peak memory consumption was 184.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 16]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 16). Cancelled while BasicCegarLoop was analyzing trace of length 6 with TraceHistMax 2, while Pdr was Timeout or canceled while running Pdr. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. TIMEOUT Result, 272.4s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3 SDtfs, 1 SDslu, 0 SDs, 0 SdLazy, 6 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, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6occurred 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: 0.0s 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/LexIndexValue-Pointer-Reduced.bpl_AutomizerBpl-pdr-smtinterpol.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-07-25_15-01-40-341.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/LexIndexValue-Pointer-Reduced.bpl_AutomizerBpl-pdr-smtinterpol.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-25_15-01-40-341.csv Completed graceful shutdown