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/ackermann.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b03553c [2019-08-05 18:15:02,425 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:15:02,427 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:15:02,439 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:15:02,439 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:15:02,440 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:15:02,441 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:15:02,443 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:15:02,445 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:15:02,446 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:15:02,447 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:15:02,448 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:15:02,449 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:15:02,450 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:15:02,451 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:15:02,452 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:15:02,453 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:15:02,454 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:15:02,456 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:15:02,458 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:15:02,459 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:15:02,460 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:15:02,462 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:15:02,462 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:15:02,465 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 18:15:02,465 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 18:15:02,465 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 18:15:02,466 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 18:15:02,467 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 18:15:02,468 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 18:15:02,468 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:15:02,469 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:15:02,469 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:15:02,470 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:15:02,471 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:15:02,472 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:15:02,472 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:15:02,472 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:15:02,473 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:15:02,474 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:15:02,474 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:15:02,502 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:15:02,515 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:15:02,518 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:15:02,520 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:15:02,520 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:15:02,521 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/recursive/regression/bpl/ackermann.bpl [2019-08-05 18:15:02,522 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/recursive/regression/bpl/ackermann.bpl' [2019-08-05 18:15:02,555 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:15:02,556 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:15:02,557 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:15:02,557 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:15:02,558 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:15:02,584 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ackermann.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:02" (1/1) ... [2019-08-05 18:15:02,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ackermann.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:02" (1/1) ... [2019-08-05 18:15:02,595 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ackermann.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:02" (1/1) ... [2019-08-05 18:15:02,595 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ackermann.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:02" (1/1) ... [2019-08-05 18:15:02,598 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ackermann.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:02" (1/1) ... [2019-08-05 18:15:02,601 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ackermann.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:02" (1/1) ... [2019-08-05 18:15:02,602 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ackermann.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:02" (1/1) ... [2019-08-05 18:15:02,603 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:15:02,604 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:15:02,605 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:15:02,605 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:15:02,606 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ackermann.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:02" (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 18:15:02,678 INFO L130 BoogieDeclarations]: Found specification of procedure ackermann [2019-08-05 18:15:02,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ackermann [2019-08-05 18:15:02,752 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-08-05 18:15:02,931 INFO L275 CfgBuilder]: Using library mode [2019-08-05 18:15:02,932 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 18:15:02,933 INFO L202 PluginConnector]: Adding new model ackermann.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:15:02 BoogieIcfgContainer [2019-08-05 18:15:02,933 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:15:02,934 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:15:02,934 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:15:02,934 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:15:02,935 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "ackermann.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:15:02" (1/1) ... [2019-08-05 18:15:02,946 INFO L148 IcfgInterpreter]: Started Sifa with 7 locations of interest [2019-08-05 18:15:02,949 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:15:02,957 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation has thrown an exception: java.lang.IllegalArgumentException: Recursive programs are not supported. at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.CallGraph.markSuccessors(CallGraph.java:136) at java.lang.Iterable.forEach(Iterable.java:75) at java.util.Collections$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:79) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-08-05 18:15:02,970 INFO L168 Benchmark]: Toolchain (without parser) took 411.82 ms. Allocated memory is still 138.4 MB. Free memory was 106.7 MB in the beginning and 93.2 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. [2019-08-05 18:15:02,972 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 138.4 MB. Free memory was 108.0 MB in the beginning and 107.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-05 18:15:02,973 INFO L168 Benchmark]: Boogie Preprocessor took 46.64 ms. Allocated memory is still 138.4 MB. Free memory was 106.7 MB in the beginning and 104.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-05 18:15:02,976 INFO L168 Benchmark]: RCFGBuilder took 329.08 ms. Allocated memory is still 138.4 MB. Free memory was 104.6 MB in the beginning and 94.7 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-08-05 18:15:02,978 INFO L168 Benchmark]: Symbolic Interpretation took 32.55 ms. Allocated memory is still 138.4 MB. Free memory was 94.7 MB in the beginning and 93.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. [2019-08-05 18:15:02,983 INFO L335 ainManager$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 0.24 ms. Allocated memory is still 138.4 MB. Free memory was 108.0 MB in the beginning and 107.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.64 ms. Allocated memory is still 138.4 MB. Free memory was 106.7 MB in the beginning and 104.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 329.08 ms. Allocated memory is still 138.4 MB. Free memory was 104.6 MB in the beginning and 94.7 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 32.55 ms. Allocated memory is still 138.4 MB. Free memory was 94.7 MB in the beginning and 93.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...