java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/programs/regression/bpl/BugSequentialComposition03.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:09:06,262 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:09:06,264 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:09:06,276 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:09:06,277 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:09:06,278 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:09:06,279 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:09:06,281 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:09:06,283 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:09:06,284 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:09:06,285 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:09:06,285 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:09:06,286 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:09:06,287 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:09:06,288 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:09:06,289 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:09:06,290 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:09:06,291 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:09:06,293 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:09:06,295 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:09:06,297 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:09:06,298 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:09:06,300 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:09:06,300 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:09:06,303 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:09:06,303 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:09:06,304 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:09:06,305 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:09:06,305 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:09:06,306 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:09:06,307 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:09:06,308 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:09:06,308 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:09:06,309 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:09:06,311 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:09:06,311 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:09:06,312 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:09:06,312 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:09:06,312 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:09:06,313 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:09:06,314 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:09:06,341 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:09:06,353 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:09:06,357 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:09:06,358 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:09:06,359 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:09:06,360 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/BugSequentialComposition03.bpl [2019-08-05 11:09:06,360 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/BugSequentialComposition03.bpl' [2019-08-05 11:09:06,392 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:09:06,393 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 11:09:06,394 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 11:09:06,394 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 11:09:06,394 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 11:09:06,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "BugSequentialComposition03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:09:06" (1/1) ... [2019-08-05 11:09:06,421 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "BugSequentialComposition03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:09:06" (1/1) ... [2019-08-05 11:09:06,427 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 11:09:06,427 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 11:09:06,427 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 11:09:06,429 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 11:09:06,430 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:09:06,430 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:09:06,431 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:09:06,442 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "BugSequentialComposition03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:09:06" (1/1) ... [2019-08-05 11:09:06,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "BugSequentialComposition03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:09:06" (1/1) ... [2019-08-05 11:09:06,443 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "BugSequentialComposition03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:09:06" (1/1) ... [2019-08-05 11:09:06,443 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "BugSequentialComposition03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:09:06" (1/1) ... [2019-08-05 11:09:06,446 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "BugSequentialComposition03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:09:06" (1/1) ... [2019-08-05 11:09:06,448 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "BugSequentialComposition03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:09:06" (1/1) ... [2019-08-05 11:09:06,449 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "BugSequentialComposition03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:09:06" (1/1) ... [2019-08-05 11:09:06,450 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:09:06,451 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:09:06,451 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:09:06,451 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:09:06,452 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "BugSequentialComposition03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:09:06" (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 [2019-08-05 11:09:06,521 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 11:09:06,521 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 11:09:06,521 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 11:09:06,790 INFO L275 CfgBuilder]: Using library mode [2019-08-05 11:09:06,790 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 11:09:06,792 INFO L202 PluginConnector]: Adding new model BugSequentialComposition03.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:09:06 BoogieIcfgContainer [2019-08-05 11:09:06,792 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:09:06,794 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 11:09:06,794 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 11:09:06,798 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 11:09:06,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "BugSequentialComposition03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:09:06" (1/2) ... [2019-08-05 11:09:06,799 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71f32ab0 and model type BugSequentialComposition03.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 11:09:06, skipping insertion in model container [2019-08-05 11:09:06,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "BugSequentialComposition03.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:09:06" (2/2) ... [2019-08-05 11:09:06,801 INFO L109 eAbstractionObserver]: Analyzing ICFG BugSequentialComposition03.bpl [2019-08-05 11:09:06,812 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 11:09:06,818 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-08-05 11:09:06,833 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-08-05 11:09:06,857 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 11:09:06,858 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 11:09:06,858 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 11:09:06,858 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 11:09:06,858 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 11:09:06,858 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 11:09:06,859 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 11:09:06,859 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 11:09:06,859 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 11:09:06,873 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states. [2019-08-05 11:09:06,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-08-05 11:09:06,882 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 11:09:06,883 INFO L399 BasicCegarLoop]: trace histogram [1, 1] [2019-08-05 11:09:06,886 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 11:09:06,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 11:09:06,892 INFO L82 PathProgramCache]: Analyzing trace with hash 1340, now seen corresponding path program 1 times [2019-08-05 11:09:06,939 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 11:09:06,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-08-05 11:09:06,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-08-05 11:09:06,990 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-08-05 11:09:07,008 INFO L202 PluginConnector]: Adding new model BugSequentialComposition03.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 11:09:07 BoogieIcfgContainer [2019-08-05 11:09:07,008 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 11:09:07,011 INFO L168 Benchmark]: Toolchain (without parser) took 617.02 ms. Allocated memory is still 141.6 MB. Free memory was 108.8 MB in the beginning and 84.6 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. [2019-08-05 11:09:07,013 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 141.6 MB. Free memory was 110.1 MB in the beginning and 109.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 11:09:07,014 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.88 ms. Allocated memory is still 141.6 MB. Free memory was 108.8 MB in the beginning and 106.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-08-05 11:09:07,016 INFO L168 Benchmark]: Boogie Preprocessor took 20.29 ms. Allocated memory is still 141.6 MB. Free memory was 106.9 MB in the beginning and 105.9 MB in the end (delta: 969.8 kB). Peak memory consumption was 969.8 kB. Max. memory is 7.1 GB. [2019-08-05 11:09:07,017 INFO L168 Benchmark]: RCFGBuilder took 341.09 ms. Allocated memory is still 141.6 MB. Free memory was 105.9 MB in the beginning and 96.1 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-08-05 11:09:07,018 INFO L168 Benchmark]: TraceAbstraction took 214.97 ms. Allocated memory is still 141.6 MB. Free memory was 95.9 MB in the beginning and 84.6 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2019-08-05 11:09:07,022 INFO L335 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 0.24 ms. Allocated memory is still 141.6 MB. Free memory was 110.1 MB in the beginning and 109.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 35.88 ms. Allocated memory is still 141.6 MB. Free memory was 108.8 MB in the beginning and 106.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 20.29 ms. Allocated memory is still 141.6 MB. Free memory was 106.9 MB in the beginning and 105.9 MB in the end (delta: 969.8 kB). Peak memory consumption was 969.8 kB. Max. memory is 7.1 GB. * RCFGBuilder took 341.09 ms. Allocated memory is still 141.6 MB. Free memory was 105.9 MB in the beginning and 96.1 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 214.97 ms. Allocated memory is still 141.6 MB. Free memory was 95.9 MB in the beginning and 84.6 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 19]: assertion can be violated assertion can be violated We found a FailurePath: [L12] COND FALSE !(false) [L14] e := e + 1; [L15] d := 0; [L17] e := e; [L18] c := e; VAL [c=0, d=0, e=0] [L19] assert false; VAL [c=0, d=0, e=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 4 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 2 NumberOfCodeBlocks, 2 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...