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/abstractInterpretation/regression/all/special-empty-program-1.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:13:29,456 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:13:29,458 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:13:29,470 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:13:29,471 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:13:29,472 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:13:29,473 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:13:29,475 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:13:29,477 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:13:29,478 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:13:29,479 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:13:29,479 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:13:29,479 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:13:29,481 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:13:29,481 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:13:29,483 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:13:29,484 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:13:29,485 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:13:29,487 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:13:29,489 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:13:29,491 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:13:29,492 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:13:29,494 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:13:29,495 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:13:29,497 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:13:29,498 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:13:29,498 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:13:29,499 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:13:29,500 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:13:29,501 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:13:29,501 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:13:29,502 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:13:29,503 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:13:29,504 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:13:29,505 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:13:29,505 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:13:29,506 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:13:29,506 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:13:29,506 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:13:29,508 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:13:29,508 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:13:29,535 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:13:29,548 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:13:29,551 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:13:29,553 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:13:29,553 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:13:29,554 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/all/special-empty-program-1.bpl [2019-08-05 11:13:29,555 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/all/special-empty-program-1.bpl' [2019-08-05 11:13:29,581 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:13:29,583 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 11:13:29,584 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 11:13:29,584 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 11:13:29,584 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 11:13:29,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "special-empty-program-1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:13:29" (1/1) ... [2019-08-05 11:13:29,607 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "special-empty-program-1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:13:29" (1/1) ... [2019-08-05 11:13:29,613 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 11:13:29,613 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 11:13:29,614 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 11:13:29,616 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 11:13:29,616 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:13:29,617 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:13:29,617 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:13:29,628 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "special-empty-program-1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:13:29" (1/1) ... [2019-08-05 11:13:29,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "special-empty-program-1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:13:29" (1/1) ... [2019-08-05 11:13:29,629 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "special-empty-program-1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:13:29" (1/1) ... [2019-08-05 11:13:29,629 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "special-empty-program-1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:13:29" (1/1) ... [2019-08-05 11:13:29,631 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "special-empty-program-1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:13:29" (1/1) ... [2019-08-05 11:13:29,632 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "special-empty-program-1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:13:29" (1/1) ... [2019-08-05 11:13:29,633 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "special-empty-program-1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:13:29" (1/1) ... [2019-08-05 11:13:29,634 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:13:29,634 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:13:29,635 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:13:29,635 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:13:29,636 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "special-empty-program-1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:13:29" (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 11:13:29,712 INFO L124 BoogieDeclarations]: Specification and implementation of procedure foo given in one single declaration [2019-08-05 11:13:29,712 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-08-05 11:13:29,713 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-08-05 11:13:29,889 INFO L275 CfgBuilder]: Using library mode [2019-08-05 11:13:29,889 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 11:13:29,891 INFO L202 PluginConnector]: Adding new model special-empty-program-1.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:13:29 BoogieIcfgContainer [2019-08-05 11:13:29,892 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:13:29,895 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 11:13:29,895 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 11:13:29,900 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 11:13:29,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "special-empty-program-1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:13:29" (1/2) ... [2019-08-05 11:13:29,901 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15fccf26 and model type special-empty-program-1.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 11:13:29, skipping insertion in model container [2019-08-05 11:13:29,902 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "special-empty-program-1.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:13:29" (2/2) ... [2019-08-05 11:13:29,906 INFO L109 eAbstractionObserver]: Analyzing ICFG special-empty-program-1.bpl [2019-08-05 11:13:29,918 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 11:13:29,928 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-08-05 11:13:29,947 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-08-05 11:13:29,977 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 11:13:29,978 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 11:13:29,979 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 11:13:29,979 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 11:13:29,981 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 11:13:29,982 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 11:13:29,982 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 11:13:29,982 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 11:13:29,982 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 11:13:29,999 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. [2019-08-05 11:13:30,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2019-08-05 11:13:30,010 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 11:13:30,011 INFO L399 BasicCegarLoop]: trace histogram [1] [2019-08-05 11:13:30,015 INFO L418 AbstractCegarLoop]: === Iteration 1 === [fooErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 11:13:30,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 11:13:30,022 INFO L82 PathProgramCache]: Analyzing trace with hash 31, now seen corresponding path program 1 times [2019-08-05 11:13:30,070 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 11:13:30,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-08-05 11:13:30,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-08-05 11:13:30,097 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-08-05 11:13:30,115 INFO L202 PluginConnector]: Adding new model special-empty-program-1.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 11:13:30 BoogieIcfgContainer [2019-08-05 11:13:30,120 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 11:13:30,123 INFO L168 Benchmark]: Toolchain (without parser) took 538.86 ms. Allocated memory is still 133.7 MB. Free memory was 107.9 MB in the beginning and 86.5 MB in the end (delta: 21.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. [2019-08-05 11:13:30,126 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 133.7 MB. Free memory was 108.9 MB in the beginning and 108.7 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-05 11:13:30,129 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.29 ms. Allocated memory is still 133.7 MB. Free memory was 107.7 MB in the beginning and 106.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-08-05 11:13:30,130 INFO L168 Benchmark]: Boogie Preprocessor took 17.43 ms. Allocated memory is still 133.7 MB. Free memory was 106.0 MB in the beginning and 104.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-08-05 11:13:30,131 INFO L168 Benchmark]: RCFGBuilder took 257.21 ms. Allocated memory is still 133.7 MB. Free memory was 104.9 MB in the beginning and 97.1 MB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 7.1 GB. [2019-08-05 11:13:30,136 INFO L168 Benchmark]: TraceAbstraction took 224.63 ms. Allocated memory is still 133.7 MB. Free memory was 96.9 MB in the beginning and 86.5 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2019-08-05 11:13:30,144 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 0.21 ms. Allocated memory is still 133.7 MB. Free memory was 108.9 MB in the beginning and 108.7 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 32.29 ms. Allocated memory is still 133.7 MB. Free memory was 107.7 MB in the beginning and 106.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 17.43 ms. Allocated memory is still 133.7 MB. Free memory was 106.0 MB in the beginning and 104.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 257.21 ms. Allocated memory is still 133.7 MB. Free memory was 104.9 MB in the beginning and 97.1 MB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 224.63 ms. Allocated memory is still 133.7 MB. Free memory was 96.9 MB in the beginning and 86.5 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: assertion can be violated assertion can be violated We found a FailurePath: [L3] assert false; - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 3 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=3occurred 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, 1 NumberOfCodeBlocks, 1 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...