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/recursive-endless.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:13:46,937 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:13:46,939 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:13:46,950 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:13:46,951 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:13:46,952 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:13:46,953 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:13:46,955 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:13:46,957 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:13:46,957 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:13:46,958 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:13:46,959 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:13:46,959 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:13:46,960 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:13:46,961 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:13:46,962 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:13:46,963 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:13:46,964 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:13:46,965 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:13:46,967 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:13:46,969 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:13:46,970 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:13:46,971 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:13:46,972 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:13:46,974 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:13:46,975 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:13:46,975 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:13:46,976 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:13:46,976 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:13:46,977 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:13:46,977 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:13:46,978 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:13:46,979 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:13:46,979 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:13:46,981 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:13:46,981 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:13:46,981 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:13:46,982 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:13:46,982 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:13:46,983 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:13:46,983 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:13:47,014 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:13:47,031 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:13:47,035 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:13:47,036 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:13:47,037 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:13:47,038 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/all/recursive-endless.bpl [2019-08-05 11:13:47,039 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/all/recursive-endless.bpl' [2019-08-05 11:13:47,069 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:13:47,071 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 11:13:47,072 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 11:13:47,072 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 11:13:47,072 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 11:13:47,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "recursive-endless.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:13:47" (1/1) ... [2019-08-05 11:13:47,098 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "recursive-endless.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:13:47" (1/1) ... [2019-08-05 11:13:47,105 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 11:13:47,105 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 11:13:47,106 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 11:13:47,108 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 11:13:47,108 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:13:47,109 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:13:47,109 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:13:47,121 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "recursive-endless.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:13:47" (1/1) ... [2019-08-05 11:13:47,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "recursive-endless.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:13:47" (1/1) ... [2019-08-05 11:13:47,122 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "recursive-endless.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:13:47" (1/1) ... [2019-08-05 11:13:47,122 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "recursive-endless.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:13:47" (1/1) ... [2019-08-05 11:13:47,124 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "recursive-endless.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:13:47" (1/1) ... [2019-08-05 11:13:47,125 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "recursive-endless.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:13:47" (1/1) ... [2019-08-05 11:13:47,126 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "recursive-endless.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:13:47" (1/1) ... [2019-08-05 11:13:47,127 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:13:47,128 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:13:47,128 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:13:47,128 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:13:47,129 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "recursive-endless.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:13:47" (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 11:13:47,204 INFO L124 BoogieDeclarations]: Specification and implementation of procedure foo given in one single declaration [2019-08-05 11:13:47,204 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-08-05 11:13:47,204 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-08-05 11:13:47,330 INFO L275 CfgBuilder]: Using library mode [2019-08-05 11:13:47,331 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 11:13:47,332 INFO L202 PluginConnector]: Adding new model recursive-endless.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:13:47 BoogieIcfgContainer [2019-08-05 11:13:47,332 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:13:47,334 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 11:13:47,334 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 11:13:47,340 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 11:13:47,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "recursive-endless.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:13:47" (1/2) ... [2019-08-05 11:13:47,341 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11cfd4cb and model type recursive-endless.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 11:13:47, skipping insertion in model container [2019-08-05 11:13:47,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "recursive-endless.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:13:47" (2/2) ... [2019-08-05 11:13:47,344 INFO L109 eAbstractionObserver]: Analyzing ICFG recursive-endless.bpl [2019-08-05 11:13:47,355 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 11:13:47,366 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-08-05 11:13:47,383 INFO L252 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-08-05 11:13:47,413 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 11:13:47,414 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 11:13:47,415 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 11:13:47,415 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 11:13:47,415 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 11:13:47,416 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 11:13:47,416 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 11:13:47,416 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 11:13:47,416 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 11:13:47,431 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. [2019-08-05 11:13:47,444 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-08-05 11:13:47,450 INFO L202 PluginConnector]: Adding new model recursive-endless.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 11:13:47 BoogieIcfgContainer [2019-08-05 11:13:47,450 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 11:13:47,456 INFO L168 Benchmark]: Toolchain (without parser) took 380.85 ms. Allocated memory is still 133.7 MB. Free memory was 110.1 MB in the beginning and 93.7 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. [2019-08-05 11:13:47,459 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.25 ms. Allocated memory is still 133.7 MB. Free memory was 111.1 MB in the beginning and 110.9 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-05 11:13:47,460 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.99 ms. Allocated memory is still 133.7 MB. Free memory was 109.9 MB in the beginning and 108.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-08-05 11:13:47,463 INFO L168 Benchmark]: Boogie Preprocessor took 18.60 ms. Allocated memory is still 133.7 MB. Free memory was 108.1 MB in the beginning and 107.2 MB in the end (delta: 905.9 kB). Peak memory consumption was 905.9 kB. Max. memory is 7.1 GB. [2019-08-05 11:13:47,464 INFO L168 Benchmark]: RCFGBuilder took 205.04 ms. Allocated memory is still 133.7 MB. Free memory was 107.0 MB in the beginning and 99.7 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 7.1 GB. [2019-08-05 11:13:47,465 INFO L168 Benchmark]: TraceAbstraction took 115.94 ms. Allocated memory is still 133.7 MB. Free memory was 99.5 MB in the beginning and 93.7 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. [2019-08-05 11:13:47,472 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 0.25 ms. Allocated memory is still 133.7 MB. Free memory was 111.1 MB in the beginning and 110.9 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 35.99 ms. Allocated memory is still 133.7 MB. Free memory was 109.9 MB in the beginning and 108.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 18.60 ms. Allocated memory is still 133.7 MB. Free memory was 108.1 MB in the beginning and 107.2 MB in the end (delta: 905.9 kB). Peak memory consumption was 905.9 kB. Max. memory is 7.1 GB. * RCFGBuilder took 205.04 ms. Allocated memory is still 133.7 MB. Free memory was 107.0 MB in the beginning and 99.7 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 115.94 ms. Allocated memory is still 133.7 MB. Free memory was 99.5 MB in the beginning and 93.7 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 3 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 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: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...