java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/Sifa.xml -i ../../../trunk/examples/programs/recursive/regression/bpl/returnZero.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:57:50,842 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:57:50,844 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:57:50,861 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:57:50,861 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:57:50,863 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:57:50,865 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:57:50,868 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:57:50,871 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:57:50,872 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:57:50,873 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:57:50,875 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:57:50,875 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:57:50,876 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:57:50,877 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:57:50,878 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:57:50,879 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:57:50,880 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:57:50,882 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:57:50,884 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:57:50,885 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:57:50,887 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:57:50,888 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:57:50,889 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:57:50,891 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:57:50,892 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:57:50,892 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:57:50,893 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:57:50,893 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:57:50,894 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:57:50,895 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:57:50,895 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:57:50,896 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:57:50,897 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:57:50,898 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:57:50,898 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:57:50,899 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:57:50,899 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:57:50,899 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:57:50,900 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:57:50,901 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:57:50,928 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:57:50,943 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:57:50,947 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:57:50,948 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:57:50,949 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:57:50,950 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/recursive/regression/bpl/returnZero.bpl [2019-08-06 16:57:50,950 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/recursive/regression/bpl/returnZero.bpl' [2019-08-06 16:57:50,982 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:57:50,983 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:57:50,984 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:57:50,984 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:57:50,984 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:57:51,009 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "returnZero.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:57:50" (1/1) ... [2019-08-06 16:57:51,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "returnZero.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:57:50" (1/1) ... [2019-08-06 16:57:51,018 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "returnZero.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:57:50" (1/1) ... [2019-08-06 16:57:51,019 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "returnZero.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:57:50" (1/1) ... [2019-08-06 16:57:51,021 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "returnZero.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:57:50" (1/1) ... [2019-08-06 16:57:51,025 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "returnZero.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:57:50" (1/1) ... [2019-08-06 16:57:51,027 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "returnZero.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:57:50" (1/1) ... [2019-08-06 16:57:51,028 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:57:51,030 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:57:51,030 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:57:51,030 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:57:51,031 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "returnZero.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:57:50" (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 [2019-08-06 16:57:51,105 INFO L130 BoogieDeclarations]: Found specification of procedure returnZero [2019-08-06 16:57:51,106 INFO L138 BoogieDeclarations]: Found implementation of procedure returnZero [2019-08-06 16:57:51,304 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:57:51,304 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:57:51,306 INFO L202 PluginConnector]: Adding new model returnZero.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:57:51 BoogieIcfgContainer [2019-08-06 16:57:51,306 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:57:51,307 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:57:51,307 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:57:51,307 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:57:51,308 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "returnZero.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:57:51" (1/1) ... [2019-08-06 16:57:51,319 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:57:51,322 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:57:51,330 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation has thrown an exception: java.lang.IllegalArgumentException: Recursive programs are not supported. at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.CallGraph.markSuccessors(CallGraph.java:136) at java.lang.Iterable.forEach(Iterable.java:75) at java.util.Collections$UnmodifiableCollection.forEach(Collections.java:1080) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.CallGraph.markSuccessors(CallGraph.java:138) at java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1382) at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.CallGraph.checkNotRecursive(CallGraph.java:131) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.CallGraph.(CallGraph.java:92) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.IcfgInterpreter.(IcfgInterpreter.java:84) at de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation.SifaBuilder.construct(SifaBuilder.java:80) at de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation.SymbolicInterpretationObserver.processIcfg(SymbolicInterpretationObserver.java:75) at de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation.SymbolicInterpretationObserver.process(SymbolicInterpretationObserver.java:68) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:156) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-08-06 16:57:51,336 INFO L168 Benchmark]: Toolchain (without parser) took 351.80 ms. Allocated memory is still 139.5 MB. Free memory was 107.8 MB in the beginning and 95.2 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 7.1 GB. [2019-08-06 16:57:51,337 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.27 ms. Allocated memory is still 139.5 MB. Free memory is still 108.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-06 16:57:51,338 INFO L168 Benchmark]: Boogie Preprocessor took 44.98 ms. Allocated memory is still 139.5 MB. Free memory was 107.8 MB in the beginning and 105.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:57:51,340 INFO L168 Benchmark]: RCFGBuilder took 276.71 ms. Allocated memory is still 139.5 MB. Free memory was 105.6 MB in the beginning and 96.5 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:57:51,341 INFO L168 Benchmark]: Symbolic Interpretation took 26.68 ms. Allocated memory is still 139.5 MB. Free memory was 96.5 MB in the beginning and 95.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-08-06 16:57:51,345 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - ExceptionOrErrorResult: IllegalArgumentException: Recursive programs are not supported. de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: IllegalArgumentException: Recursive programs are not supported.: de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.CallGraph.markSuccessors(CallGraph.java:136) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.27 ms. Allocated memory is still 139.5 MB. Free memory is still 108.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.98 ms. Allocated memory is still 139.5 MB. Free memory was 107.8 MB in the beginning and 105.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 276.71 ms. Allocated memory is still 139.5 MB. Free memory was 105.6 MB in the beginning and 96.5 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 26.68 ms. Allocated memory is still 139.5 MB. Free memory was 96.5 MB in the beginning and 95.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...