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/abstractInterpretation/regression/all/recursive-easy-2.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:59:06,359 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:59:06,361 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:59:06,376 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:59:06,376 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:59:06,377 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:59:06,379 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:59:06,381 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:59:06,383 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:59:06,384 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:59:06,385 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:59:06,386 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:59:06,387 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:59:06,388 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:59:06,389 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:59:06,390 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:59:06,391 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:59:06,392 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:59:06,395 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:59:06,397 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:59:06,399 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:59:06,400 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:59:06,402 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:59:06,403 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:59:06,406 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:59:06,406 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:59:06,406 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:59:06,408 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:59:06,408 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:59:06,409 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:59:06,410 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:59:06,411 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:59:06,412 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:59:06,413 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:59:06,414 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:59:06,414 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:59:06,415 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:59:06,415 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:59:06,415 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:59:06,417 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:59:06,417 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:59:06,447 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:59:06,460 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:59:06,464 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:59:06,465 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:59:06,466 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:59:06,467 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/all/recursive-easy-2.bpl [2019-08-06 16:59:06,467 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/all/recursive-easy-2.bpl' [2019-08-06 16:59:06,498 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:59:06,499 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:59:06,500 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:59:06,500 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:59:06,500 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:59:06,522 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "recursive-easy-2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:06" (1/1) ... [2019-08-06 16:59:06,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "recursive-easy-2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:06" (1/1) ... [2019-08-06 16:59:06,531 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "recursive-easy-2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:06" (1/1) ... [2019-08-06 16:59:06,531 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "recursive-easy-2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:06" (1/1) ... [2019-08-06 16:59:06,534 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "recursive-easy-2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:06" (1/1) ... [2019-08-06 16:59:06,536 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "recursive-easy-2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:06" (1/1) ... [2019-08-06 16:59:06,537 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "recursive-easy-2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:06" (1/1) ... [2019-08-06 16:59:06,538 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:59:06,539 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:59:06,539 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:59:06,539 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:59:06,540 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "recursive-easy-2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:06" (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 16:59:06,603 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-06 16:59:06,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-06 16:59:06,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-06 16:59:06,604 INFO L124 BoogieDeclarations]: Specification and implementation of procedure add given in one single declaration [2019-08-06 16:59:06,604 INFO L130 BoogieDeclarations]: Found specification of procedure add [2019-08-06 16:59:06,604 INFO L138 BoogieDeclarations]: Found implementation of procedure add [2019-08-06 16:59:06,811 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-06 16:59:06,811 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:59:06,812 INFO L202 PluginConnector]: Adding new model recursive-easy-2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:59:06 BoogieIcfgContainer [2019-08-06 16:59:06,812 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:59:06,813 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:59:06,813 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:59:06,813 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:59:06,814 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "recursive-easy-2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:59:06" (1/1) ... [2019-08-06 16:59:06,823 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:59:06,826 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:59:06,833 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$UnmodifiableCollection.forEach(Collections.java:1080) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.CallGraph.markSuccessors(CallGraph.java:138) at java.lang.Iterable.forEach(Iterable.java:75) at java.util.Collections$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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-08-06 16:59:06,843 INFO L168 Benchmark]: Toolchain (without parser) took 340.88 ms. Allocated memory is still 132.6 MB. Free memory was 109.2 MB in the beginning and 95.8 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:06,844 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 132.6 MB. Free memory was 110.2 MB in the beginning and 110.0 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-06 16:59:06,847 INFO L168 Benchmark]: Boogie Preprocessor took 38.45 ms. Allocated memory is still 132.6 MB. Free memory was 109.0 MB in the beginning and 107.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:06,850 INFO L168 Benchmark]: RCFGBuilder took 273.78 ms. Allocated memory is still 132.6 MB. Free memory was 106.8 MB in the beginning and 97.2 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:06,851 INFO L168 Benchmark]: Symbolic Interpretation took 25.58 ms. Allocated memory is still 132.6 MB. Free memory was 97.0 MB in the beginning and 95.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:06,856 INFO L335 ainManager$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 0.23 ms. Allocated memory is still 132.6 MB. Free memory was 110.2 MB in the beginning and 110.0 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 38.45 ms. Allocated memory is still 132.6 MB. Free memory was 109.0 MB in the beginning and 107.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 273.78 ms. Allocated memory is still 132.6 MB. Free memory was 106.8 MB in the beginning and 97.2 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 25.58 ms. Allocated memory is still 132.6 MB. Free memory was 97.0 MB in the beginning and 95.8 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...