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/BugCNF02.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:08:25,205 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:08:25,207 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:08:25,229 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:08:25,230 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:08:25,231 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:08:25,235 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:08:25,237 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:08:25,238 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:08:25,242 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:08:25,243 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:08:25,244 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:08:25,244 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:08:25,245 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:08:25,246 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:08:25,249 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:08:25,251 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:08:25,252 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:08:25,256 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:08:25,258 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:08:25,264 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:08:25,266 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:08:25,267 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:08:25,268 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:08:25,270 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:08:25,271 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:08:25,272 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:08:25,272 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:08:25,273 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:08:25,274 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:08:25,274 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:08:25,275 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:08:25,276 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:08:25,277 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:08:25,279 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:08:25,279 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:08:25,280 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:08:25,280 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:08:25,281 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:08:25,281 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:08:25,283 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:08:25,333 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:08:25,357 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:08:25,361 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:08:25,363 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:08:25,363 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:08:25,364 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/BugCNF02.bpl [2019-08-05 11:08:25,364 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/BugCNF02.bpl' [2019-08-05 11:08:25,400 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:08:25,402 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 11:08:25,402 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 11:08:25,403 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 11:08:25,403 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 11:08:25,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "BugCNF02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:08:25" (1/1) ... [2019-08-05 11:08:25,431 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "BugCNF02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:08:25" (1/1) ... [2019-08-05 11:08:25,437 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 11:08:25,438 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 11:08:25,438 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 11:08:25,440 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 11:08:25,441 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:08:25,441 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:08:25,441 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:08:25,453 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "BugCNF02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:08:25" (1/1) ... [2019-08-05 11:08:25,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "BugCNF02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:08:25" (1/1) ... [2019-08-05 11:08:25,454 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "BugCNF02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:08:25" (1/1) ... [2019-08-05 11:08:25,454 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "BugCNF02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:08:25" (1/1) ... [2019-08-05 11:08:25,456 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "BugCNF02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:08:25" (1/1) ... [2019-08-05 11:08:25,460 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "BugCNF02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:08:25" (1/1) ... [2019-08-05 11:08:25,462 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "BugCNF02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:08:25" (1/1) ... [2019-08-05 11:08:25,463 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:08:25,463 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:08:25,463 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:08:25,464 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:08:25,464 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "BugCNF02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:08:25" (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 11:08:25,530 INFO L124 BoogieDeclarations]: Specification and implementation of procedure method1 given in one single declaration [2019-08-05 11:08:25,530 INFO L130 BoogieDeclarations]: Found specification of procedure method1 [2019-08-05 11:08:25,531 INFO L138 BoogieDeclarations]: Found implementation of procedure method1 [2019-08-05 11:08:25,729 INFO L275 CfgBuilder]: Using library mode [2019-08-05 11:08:25,729 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-05 11:08:25,730 INFO L202 PluginConnector]: Adding new model BugCNF02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:08:25 BoogieIcfgContainer [2019-08-05 11:08:25,730 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:08:25,732 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 11:08:25,732 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 11:08:25,735 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 11:08:25,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "BugCNF02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:08:25" (1/2) ... [2019-08-05 11:08:25,736 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b4d401c and model type BugCNF02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 11:08:25, skipping insertion in model container [2019-08-05 11:08:25,736 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "BugCNF02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:08:25" (2/2) ... [2019-08-05 11:08:25,738 INFO L109 eAbstractionObserver]: Analyzing ICFG BugCNF02.bpl [2019-08-05 11:08:25,747 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 11:08:25,755 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-08-05 11:08:25,771 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-08-05 11:08:25,797 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 11:08:25,798 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 11:08:25,798 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 11:08:25,799 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 11:08:25,799 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 11:08:25,799 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 11:08:25,799 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 11:08:25,799 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 11:08:25,800 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 11:08:25,812 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states. [2019-08-05 11:08:25,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-08-05 11:08:25,821 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 11:08:25,822 INFO L399 BasicCegarLoop]: trace histogram [1, 1] [2019-08-05 11:08:25,824 INFO L418 AbstractCegarLoop]: === Iteration 1 === [method1Err0ASSERT_VIOLATIONASSERT]=== [2019-08-05 11:08:25,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 11:08:25,831 INFO L82 PathProgramCache]: Analyzing trace with hash 1404, now seen corresponding path program 1 times [2019-08-05 11:08:25,871 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 11:08:25,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-08-05 11:08:25,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-08-05 11:08:25,909 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-08-05 11:08:25,929 INFO L202 PluginConnector]: Adding new model BugCNF02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 11:08:25 BoogieIcfgContainer [2019-08-05 11:08:25,929 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 11:08:25,933 INFO L168 Benchmark]: Toolchain (without parser) took 529.86 ms. Allocated memory is still 141.6 MB. Free memory was 111.2 MB in the beginning and 87.8 MB in the end (delta: 23.4 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. [2019-08-05 11:08:25,934 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 141.6 MB. Free memory was 112.3 MB in the beginning and 112.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-08-05 11:08:25,936 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.00 ms. Allocated memory is still 141.6 MB. Free memory was 111.0 MB in the beginning and 109.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-08-05 11:08:25,937 INFO L168 Benchmark]: Boogie Preprocessor took 22.13 ms. Allocated memory is still 141.6 MB. Free memory was 109.1 MB in the beginning and 108.2 MB in the end (delta: 904.6 kB). Peak memory consumption was 904.6 kB. Max. memory is 7.1 GB. [2019-08-05 11:08:25,938 INFO L168 Benchmark]: RCFGBuilder took 267.04 ms. Allocated memory is still 141.6 MB. Free memory was 107.9 MB in the beginning and 99.1 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. [2019-08-05 11:08:25,939 INFO L168 Benchmark]: TraceAbstraction took 197.95 ms. Allocated memory is still 141.6 MB. Free memory was 98.9 MB in the beginning and 87.8 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2019-08-05 11:08:25,944 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 0.22 ms. Allocated memory is still 141.6 MB. Free memory was 112.3 MB in the beginning and 112.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 38.00 ms. Allocated memory is still 141.6 MB. Free memory was 111.0 MB in the beginning and 109.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 22.13 ms. Allocated memory is still 141.6 MB. Free memory was 109.1 MB in the beginning and 108.2 MB in the end (delta: 904.6 kB). Peak memory consumption was 904.6 kB. Max. memory is 7.1 GB. * RCFGBuilder took 267.04 ms. Allocated memory is still 141.6 MB. Free memory was 107.9 MB in the beginning and 99.1 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 197.95 ms. Allocated memory is still 141.6 MB. Free memory was 98.9 MB in the beginning and 87.8 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 23]: assertion can be violated assertion can be violated We found a FailurePath: [L18] assume !((A || B) && B); VAL [A=false, B=false] [L23] assert false; VAL [A=false, B=false] - 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...