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/20170319-ConjunctivePathPrograms/down.i_4.bplTransformedIcfg_BEv2_5.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 14:38:28,217 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 14:38:28,218 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 14:38:28,235 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 14:38:28,236 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 14:38:28,237 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 14:38:28,238 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 14:38:28,240 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 14:38:28,241 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 14:38:28,242 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 14:38:28,243 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 14:38:28,244 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 14:38:28,245 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 14:38:28,245 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 14:38:28,247 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 14:38:28,247 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 14:38:28,248 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 14:38:28,250 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 14:38:28,252 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 14:38:28,253 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 14:38:28,254 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 14:38:28,256 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 14:38:28,258 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 14:38:28,258 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 14:38:28,259 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 14:38:28,260 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 14:38:28,260 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 14:38:28,261 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 14:38:28,262 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 14:38:28,263 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 14:38:28,263 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 14:38:28,264 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-25 14:38:28,264 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-25 14:38:28,265 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-25 14:38:28,266 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-25 14:38:28,266 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-25 14:38:28,267 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 14:38:28,275 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 14:38:28,276 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 14:38:28,277 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-25 14:38:28,277 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-07-25 14:38:28,278 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 14:38:28,278 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-25 14:38:28,278 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-25 14:38:28,278 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 14:38:28,333 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 14:38:28,345 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 14:38:28,349 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 14:38:28,351 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 14:38:28,352 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 14:38:28,353 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/down.i_4.bplTransformedIcfg_BEv2_5.bpl [2018-07-25 14:38:28,353 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/down.i_4.bplTransformedIcfg_BEv2_5.bpl' [2018-07-25 14:38:28,404 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 14:38:28,406 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 14:38:28,406 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 14:38:28,407 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 14:38:28,407 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 14:38:28,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:38:28" (1/1) ... [2018-07-25 14:38:28,440 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:38:28" (1/1) ... [2018-07-25 14:38:28,447 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 14:38:28,448 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 14:38:28,448 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 14:38:28,448 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 14:38:28,459 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:38:28" (1/1) ... [2018-07-25 14:38:28,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:38:28" (1/1) ... [2018-07-25 14:38:28,460 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:38:28" (1/1) ... [2018-07-25 14:38:28,460 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:38:28" (1/1) ... [2018-07-25 14:38:28,463 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:38:28" (1/1) ... [2018-07-25 14:38:28,465 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:38:28" (1/1) ... [2018-07-25 14:38:28,466 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:38:28" (1/1) ... [2018-07-25 14:38:28,468 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 14:38:28,469 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 14:38:28,469 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 14:38:28,469 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 14:38:28,470 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:38:28" (1/1) ... [2018-07-25 14:38:28,557 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-07-25 14:38:28,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-25 14:38:28,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-25 14:38:28,727 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-25 14:38:28,728 INFO L202 PluginConnector]: Adding new model down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 02:38:28 BoogieIcfgContainer [2018-07-25 14:38:28,728 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 14:38:28,729 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 14:38:28,730 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 14:38:28,733 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 14:38:28,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:38:28" (1/2) ... [2018-07-25 14:38:28,735 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ac23e21 and model type down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 02:38:28, skipping insertion in model container [2018-07-25 14:38:28,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 02:38:28" (2/2) ... [2018-07-25 14:38:28,738 INFO L112 eAbstractionObserver]: Analyzing ICFG down.i_4.bplTransformedIcfg_BEv2_5.bpl [2018-07-25 14:38:28,751 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-25 14:38:28,760 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-25 14:38:28,811 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 14:38:28,813 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 14:38:28,813 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 14:38:28,813 INFO L376 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-25 14:38:28,813 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 14:38:28,814 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 14:38:28,814 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 14:38:28,814 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 14:38:28,814 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 14:38:28,832 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2018-07-25 14:38:28,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-07-25 14:38:28,841 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:38:28,842 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-07-25 14:38:28,843 INFO L415 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:38:28,848 INFO L82 PathProgramCache]: Analyzing trace with hash 28868155, now seen corresponding path program 1 times [2018-07-25 14:38:28,855 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:38:29,024 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 14:38:29,025 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-25 14:38:29,030 INFO L451 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-25 14:38:29,035 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-25 14:38:29,035 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-07-25 14:38:29,038 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 5 states. [2018-07-25 14:38:29,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 14:38:29,164 INFO L93 Difference]: Finished difference Result 13 states and 16 transitions. [2018-07-25 14:38:29,165 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-07-25 14:38:29,166 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 5 [2018-07-25 14:38:29,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 14:38:29,181 INFO L225 Difference]: With dead ends: 13 [2018-07-25 14:38:29,181 INFO L226 Difference]: Without dead ends: 10 [2018-07-25 14:38:29,186 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-07-25 14:38:29,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2018-07-25 14:38:29,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2018-07-25 14:38:29,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2018-07-25 14:38:29,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 11 transitions. [2018-07-25 14:38:29,224 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 11 transitions. Word has length 5 [2018-07-25 14:38:29,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 14:38:29,225 INFO L472 AbstractCegarLoop]: Abstraction has 9 states and 11 transitions. [2018-07-25 14:38:29,225 INFO L473 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-25 14:38:29,225 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-07-25 14:38:29,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-25 14:38:29,226 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:38:29,226 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-07-25 14:38:29,226 INFO L415 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:38:29,227 INFO L82 PathProgramCache]: Analyzing trace with hash 892360290, now seen corresponding path program 1 times [2018-07-25 14:38:29,227 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy Received shutdown request... [2018-07-25 14:42:56,735 WARN L541 AbstractCegarLoop]: Verification canceled [2018-07-25 14:42:56,740 WARN L202 ceAbstractionStarter]: Timeout [2018-07-25 14:42:56,740 INFO L202 PluginConnector]: Adding new model down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.07 02:42:56 BoogieIcfgContainer [2018-07-25 14:42:56,741 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-25 14:42:56,742 INFO L168 Benchmark]: Toolchain (without parser) took 268336.97 ms. Allocated memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: -414.7 MB). Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 386.4 MB). Peak memory consumption was 164.5 MB. Max. memory is 7.1 GB. [2018-07-25 14:42:56,744 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 14:42:56,745 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.33 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 14:42:56,746 INFO L168 Benchmark]: Boogie Preprocessor took 20.23 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. [2018-07-25 14:42:56,747 INFO L168 Benchmark]: RCFGBuilder took 259.42 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-07-25 14:42:56,748 INFO L168 Benchmark]: TraceAbstraction took 268011.36 ms. Allocated memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: -414.7 MB). Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 375.8 MB). Peak memory consumption was 154.0 MB. Max. memory is 7.1 GB. [2018-07-25 14:42:56,753 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 41.33 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 20.23 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. * RCFGBuilder took 259.42 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 268011.36 ms. Allocated memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: -414.7 MB). Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 375.8 MB). Peak memory consumption was 154.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 76]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 76). Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 1, while PredicateComparison was comparing new predicate (quantifier-free) to 89 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. TIMEOUT Result, 267.9s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4 SDtfs, 3 SDslu, 6 SDs, 0 SdLazy, 20 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 8 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, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s 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/down.i_4.bplTransformedIcfg_BEv2_5.bpl_AutomizerBpl-pdr-smtinterpol.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-07-25_14-42-56-767.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/down.i_4.bplTransformedIcfg_BEv2_5.bpl_AutomizerBpl-pdr-smtinterpol.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-25_14-42-56-767.csv Completed graceful shutdown