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/LTL/find.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:08:01,069 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:08:01,071 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:08:01,083 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:08:01,083 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:08:01,084 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:08:01,085 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:08:01,087 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:08:01,089 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:08:01,090 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:08:01,091 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:08:01,091 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:08:01,092 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:08:01,093 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:08:01,094 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:08:01,095 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:08:01,096 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:08:01,097 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:08:01,098 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:08:01,101 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:08:01,104 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:08:01,106 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:08:01,107 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:08:01,108 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:08:01,110 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 12:08:01,110 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 12:08:01,110 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 12:08:01,111 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 12:08:01,112 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 12:08:01,112 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 12:08:01,113 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:08:01,113 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:08:01,114 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:08:01,115 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:08:01,116 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:08:01,116 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:08:01,117 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:08:01,117 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 12:08:01,118 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 12:08:01,118 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 12:08:01,119 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 12:08:01,165 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:08:01,181 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:08:01,185 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:08:01,187 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:08:01,188 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:08:01,189 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/LTL/find.bpl [2019-08-05 12:08:01,189 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/LTL/find.bpl' [2019-08-05 12:08:01,230 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:08:01,231 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 12:08:01,232 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:08:01,232 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:08:01,232 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:08:01,255 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "find.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:08:01" (1/1) ... [2019-08-05 12:08:01,257 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "find.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:08:01" (1/1) ... [2019-08-05 12:08:01,265 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "find.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:08:01" (1/1) ... [2019-08-05 12:08:01,265 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "find.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:08:01" (1/1) ... [2019-08-05 12:08:01,269 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "find.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:08:01" (1/1) ... [2019-08-05 12:08:01,271 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "find.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:08:01" (1/1) ... [2019-08-05 12:08:01,272 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "find.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:08:01" (1/1) ... [2019-08-05 12:08:01,275 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:08:01,276 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:08:01,276 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:08:01,276 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:08:01,277 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "find.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:08:01" (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 12:08:01,343 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Find given in one single declaration [2019-08-05 12:08:01,343 INFO L130 BoogieDeclarations]: Found specification of procedure Find [2019-08-05 12:08:01,343 INFO L138 BoogieDeclarations]: Found implementation of procedure Find [2019-08-05 12:08:01,344 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Main given in one single declaration [2019-08-05 12:08:01,344 INFO L130 BoogieDeclarations]: Found specification of procedure Main [2019-08-05 12:08:01,345 INFO L138 BoogieDeclarations]: Found implementation of procedure Main [2019-08-05 12:08:01,430 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-08-05 12:08:01,625 INFO L275 CfgBuilder]: Using library mode [2019-08-05 12:08:01,625 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:08:01,626 INFO L202 PluginConnector]: Adding new model find.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:08:01 BoogieIcfgContainer [2019-08-05 12:08:01,626 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:08:01,627 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 12:08:01,627 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 12:08:01,629 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 12:08:01,631 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "find.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:08:01" (1/1) ... [2019-08-05 12:08:01,641 INFO L148 IcfgInterpreter]: Started Sifa with 6 locations of interest [2019-08-05 12:08:01,644 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 12:08:01,651 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation has thrown an exception: java.lang.IllegalArgumentException: Recursive programs are not supported. at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.CallGraph.markSuccessors(CallGraph.java:136) at java.lang.Iterable.forEach(Iterable.java:75) at java.util.Collections$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$Head.forEach(ReferencePipeline.java:580) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.CallGraph.checkNotRecursive(CallGraph.java:131) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.CallGraph.(CallGraph.java:92) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.IcfgInterpreter.(IcfgInterpreter.java:84) at de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation.SymbolicInterpretationObserver.processIcfg(SymbolicInterpretationObserver.java:88) at de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation.SymbolicInterpretationObserver.process(SymbolicInterpretationObserver.java:77) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:156) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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 12:08:01,657 INFO L168 Benchmark]: Toolchain (without parser) took 424.40 ms. Allocated memory is still 140.0 MB. Free memory was 109.2 MB in the beginning and 94.7 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 7.1 GB. [2019-08-05 12:08:01,658 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 140.0 MB. Free memory was 110.5 MB in the beginning and 110.3 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-05 12:08:01,660 INFO L168 Benchmark]: Boogie Preprocessor took 43.03 ms. Allocated memory is still 140.0 MB. Free memory was 109.2 MB in the beginning and 107.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-05 12:08:01,661 INFO L168 Benchmark]: RCFGBuilder took 351.00 ms. Allocated memory is still 140.0 MB. Free memory was 107.0 MB in the beginning and 96.2 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2019-08-05 12:08:01,662 INFO L168 Benchmark]: Symbolic Interpretation took 27.37 ms. Allocated memory is still 140.0 MB. Free memory was 96.2 MB in the beginning and 94.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. [2019-08-05 12:08:01,666 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 0.20 ms. Allocated memory is still 140.0 MB. Free memory was 110.5 MB in the beginning and 110.3 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 43.03 ms. Allocated memory is still 140.0 MB. Free memory was 109.2 MB in the beginning and 107.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 351.00 ms. Allocated memory is still 140.0 MB. Free memory was 107.0 MB in the beginning and 96.2 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 27.37 ms. Allocated memory is still 140.0 MB. Free memory was 96.2 MB in the beginning and 94.7 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...