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-nestedInterpolants.epf -i ../../../trunk/examples/programs/real-life/bank.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-935f392 [2018-07-23 13:36:29,818 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 13:36:29,820 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 13:36:29,835 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 13:36:29,835 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 13:36:29,836 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 13:36:29,837 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 13:36:29,839 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 13:36:29,841 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 13:36:29,841 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 13:36:29,842 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 13:36:29,842 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 13:36:29,843 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 13:36:29,844 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 13:36:29,848 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 13:36:29,849 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 13:36:29,853 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 13:36:29,855 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 13:36:29,860 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 13:36:29,865 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 13:36:29,866 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 13:36:29,871 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 13:36:29,875 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 13:36:29,875 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 13:36:29,875 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 13:36:29,876 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 13:36:29,879 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 13:36:29,880 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 13:36:29,881 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 13:36:29,882 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 13:36:29,882 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 13:36:29,887 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-23 13:36:29,887 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 13:36:29,887 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 13:36:29,888 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 13:36:29,889 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 13:36:29,892 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/AutomizerBpl-nestedInterpolants.epf [2018-07-23 13:36:29,917 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 13:36:29,917 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 13:36:29,919 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 13:36:29,922 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-07-23 13:36:29,922 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 13:36:29,922 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-07-23 13:36:29,922 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-23 13:36:29,922 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 13:36:29,986 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 13:36:29,999 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 13:36:30,007 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 13:36:30,011 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-23 13:36:30,011 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-23 13:36:30,012 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/bank.bpl [2018-07-23 13:36:30,013 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/bank.bpl' [2018-07-23 13:36:30,071 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 13:36:30,073 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-07-23 13:36:30,074 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 13:36:30,074 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 13:36:30,074 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 13:36:30,101 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bank.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:36:30" (1/1) ... [2018-07-23 13:36:30,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bank.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:36:30" (1/1) ... [2018-07-23 13:36:30,110 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bank.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:36:30" (1/1) ... [2018-07-23 13:36:30,110 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bank.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:36:30" (1/1) ... [2018-07-23 13:36:30,112 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bank.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:36:30" (1/1) ... [2018-07-23 13:36:30,115 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bank.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:36:30" (1/1) ... [2018-07-23 13:36:30,116 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bank.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:36:30" (1/1) ... [2018-07-23 13:36:30,117 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 13:36:30,118 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 13:36:30,119 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 13:36:30,119 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 13:36:30,120 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bank.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:36:30" (1/1) ... [2018-07-23 13:36:30,200 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-07-23 13:36:30,201 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-23 13:36:30,201 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-23 13:36:30,414 INFO L258 CfgBuilder]: Using library mode [2018-07-23 13:36:30,415 INFO L202 PluginConnector]: Adding new model bank.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:36:30 BoogieIcfgContainer [2018-07-23 13:36:30,416 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 13:36:30,418 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 13:36:30,418 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 13:36:30,424 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 13:36:30,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bank.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:36:30" (1/2) ... [2018-07-23 13:36:30,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d0b5cfa and model type bank.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:36:30, skipping insertion in model container [2018-07-23 13:36:30,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bank.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:36:30" (2/2) ... [2018-07-23 13:36:30,430 INFO L112 eAbstractionObserver]: Analyzing ICFG bank.bpl [2018-07-23 13:36:30,440 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-07-23 13:36:30,452 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 13:36:30,496 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 13:36:30,496 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 13:36:30,497 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 13:36:30,497 INFO L375 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-07-23 13:36:30,497 INFO L376 AbstractCegarLoop]: Backedges is CANONICAL [2018-07-23 13:36:30,497 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 13:36:30,497 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 13:36:30,498 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 13:36:30,498 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 13:36:30,511 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2018-07-23 13:36:30,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-23 13:36:30,520 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:36:30,521 INFO L357 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-07-23 13:36:30,521 INFO L414 AbstractCegarLoop]: === Iteration 1 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:36:30,527 INFO L82 PathProgramCache]: Analyzing trace with hash 890462024, now seen corresponding path program 1 times [2018-07-23 13:36:30,533 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:36:30,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-07-23 13:36:30,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-07-23 13:36:30,566 INFO L423 BasicCegarLoop]: Counterexample might be feasible [2018-07-23 13:36:30,583 INFO L202 PluginConnector]: Adding new model bank.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 01:36:30 BoogieIcfgContainer [2018-07-23 13:36:30,583 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 13:36:30,584 INFO L168 Benchmark]: Toolchain (without parser) took 512.20 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 13:36:30,586 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 13:36:30,587 INFO L168 Benchmark]: Boogie Preprocessor took 44.12 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 13:36:30,588 INFO L168 Benchmark]: RCFGBuilder took 297.20 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. [2018-07-23 13:36:30,589 INFO L168 Benchmark]: TraceAbstraction took 165.29 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. [2018-07-23 13:36:30,593 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 44.12 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 297.20 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 165.29 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 20]: assertion can be violated assertion can be violated We found a FailurePath: [L11] balance := 0; [L12] havoc functionValue; [L14] havoc value; VAL [balance=0] [L15] COND TRUE functionValue > 0 VAL [balance=0, functionValue=1] [L17] COND TRUE value >= 0 VAL [balance=0, functionValue=1, value=0] [L18] COND TRUE isOverdraft VAL [balance=0, functionValue=1, isOverdraft=true, value=0] [L19] COND TRUE !(balance < 0) VAL [balance=0, functionValue=1, isOverdraft=true, value=0] [L20] assert false; VAL [balance=0, functionValue=1, isOverdraft=true, value=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 12 locations, 1 error locations. UNSAFE Result, 0.0s 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=9occurred 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, 6 NumberOfCodeBlocks, 6 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! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/bank.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-07-23_13-36-30-605.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/bank.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_13-36-30-605.csv Received shutdown request...