java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/recursive-simple/id_b3_o2-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-31 17:51:21,697 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 17:51:21,699 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 17:51:21,711 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 17:51:21,711 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 17:51:21,712 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 17:51:21,713 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 17:51:21,715 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 17:51:21,717 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 17:51:21,718 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 17:51:21,719 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 17:51:21,720 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 17:51:21,720 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 17:51:21,721 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 17:51:21,722 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 17:51:21,724 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 17:51:21,724 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 17:51:21,725 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 17:51:21,727 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 17:51:21,729 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 17:51:21,730 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 17:51:21,732 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 17:51:21,733 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 17:51:21,733 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 17:51:21,736 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-31 17:51:21,736 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-31 17:51:21,736 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-31 17:51:21,737 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-31 17:51:21,738 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-31 17:51:21,739 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-31 17:51:21,739 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-31 17:51:21,740 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-31 17:51:21,740 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-31 17:51:21,741 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-31 17:51:21,742 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-31 17:51:21,742 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-31 17:51:21,743 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-31 17:51:21,743 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-31 17:51:21,743 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 17:51:21,744 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 17:51:21,745 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 17:51:21,746 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-08-31 17:51:21,760 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 17:51:21,760 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 17:51:21,762 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 17:51:21,762 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 17:51:21,762 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 17:51:21,762 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 17:51:21,763 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 17:51:21,763 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 17:51:21,763 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 17:51:21,763 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 17:51:21,763 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 17:51:21,764 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 17:51:21,764 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 17:51:21,764 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 17:51:21,764 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 17:51:21,764 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 17:51:21,765 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 17:51:21,765 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 17:51:21,765 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 17:51:21,765 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 17:51:21,765 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 17:51:21,766 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 17:51:21,766 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 17:51:21,766 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 17:51:21,766 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 17:51:21,766 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 17:51:21,767 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 17:51:21,767 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 17:51:21,767 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 17:51:21,796 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 17:51:21,810 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 17:51:21,813 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 17:51:21,815 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 17:51:21,815 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 17:51:21,816 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/id_b3_o2-2.c [2019-08-31 17:51:21,879 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7eb440844/ff5da6435c604ebdbfd6b06a2d7f59fc/FLAG6672b70c9 [2019-08-31 17:51:22,311 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 17:51:22,312 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursive-simple/id_b3_o2-2.c [2019-08-31 17:51:22,318 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7eb440844/ff5da6435c604ebdbfd6b06a2d7f59fc/FLAG6672b70c9 [2019-08-31 17:51:22,713 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7eb440844/ff5da6435c604ebdbfd6b06a2d7f59fc [2019-08-31 17:51:22,725 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 17:51:22,727 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 17:51:22,730 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 17:51:22,730 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 17:51:22,733 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 17:51:22,734 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 05:51:22" (1/1) ... [2019-08-31 17:51:22,738 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45766a12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:51:22, skipping insertion in model container [2019-08-31 17:51:22,738 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 05:51:22" (1/1) ... [2019-08-31 17:51:22,745 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 17:51:22,765 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 17:51:22,933 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 17:51:22,943 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 17:51:22,964 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 17:51:22,980 INFO L192 MainTranslator]: Completed translation [2019-08-31 17:51:22,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:51:22 WrapperNode [2019-08-31 17:51:22,981 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 17:51:22,982 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 17:51:22,982 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 17:51:22,982 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 17:51:23,087 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:51:22" (1/1) ... [2019-08-31 17:51:23,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:51:22" (1/1) ... [2019-08-31 17:51:23,098 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:51:22" (1/1) ... [2019-08-31 17:51:23,099 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:51:22" (1/1) ... [2019-08-31 17:51:23,104 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:51:22" (1/1) ... [2019-08-31 17:51:23,106 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:51:22" (1/1) ... [2019-08-31 17:51:23,107 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:51:22" (1/1) ... [2019-08-31 17:51:23,114 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 17:51:23,114 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 17:51:23,115 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 17:51:23,115 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 17:51:23,116 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:51:22" (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:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 17:51:23,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 17:51:23,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 17:51:23,181 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2019-08-31 17:51:23,181 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 17:51:23,182 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-31 17:51:23,182 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 17:51:23,182 INFO L130 BoogieDeclarations]: Found specification of procedure id [2019-08-31 17:51:23,182 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 17:51:23,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 17:51:23,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 17:51:23,349 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 17:51:23,349 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-31 17:51:23,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 05:51:23 BoogieIcfgContainer [2019-08-31 17:51:23,351 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 17:51:23,352 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 17:51:23,359 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 17:51:23,359 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 17:51:23,360 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 05:51:23" (1/1) ... [2019-08-31 17:51:23,423 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-31 17:51:23,423 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 17:51:23,433 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.sifa has thrown an exception: java.lang.IllegalArgumentException: Recursive programs are not supported. at de.uni_freiburg.informatik.ultimate.lib.sifa.CallGraph.topsortRelevant(CallGraph.java:132) at de.uni_freiburg.informatik.ultimate.lib.sifa.CallGraph.(CallGraph.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.(IcfgInterpreter.java:93) at de.uni_freiburg.informatik.ultimate.plugins.sifa.SifaBuilder.construct(SifaBuilder.java:107) at de.uni_freiburg.informatik.ultimate.plugins.sifa.SifaObserver.processIcfg(SifaObserver.java:79) at de.uni_freiburg.informatik.ultimate.plugins.sifa.SifaObserver.process(SifaObserver.java:72) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-08-31 17:51:23,454 INFO L168 Benchmark]: Toolchain (without parser) took 726.23 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 89.9 MB in the beginning and 166.1 MB in the end (delta: -76.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-31 17:51:23,459 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 137.9 MB. Free memory was 108.5 MB in the beginning and 108.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-31 17:51:23,460 INFO L168 Benchmark]: CACSL2BoogieTranslator took 251.70 ms. Allocated memory is still 137.9 MB. Free memory was 89.5 MB in the beginning and 80.6 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. [2019-08-31 17:51:23,464 INFO L168 Benchmark]: Boogie Preprocessor took 132.24 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 80.6 MB in the beginning and 179.6 MB in the end (delta: -99.0 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. [2019-08-31 17:51:23,466 INFO L168 Benchmark]: RCFGBuilder took 236.90 ms. Allocated memory is still 201.9 MB. Free memory was 179.6 MB in the beginning and 168.4 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2019-08-31 17:51:23,470 INFO L168 Benchmark]: Sifa took 99.51 ms. Allocated memory is still 201.9 MB. Free memory was 168.4 MB in the beginning and 166.1 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-08-31 17:51:23,479 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 137.9 MB. Free memory was 108.5 MB in the beginning and 108.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 251.70 ms. Allocated memory is still 137.9 MB. Free memory was 89.5 MB in the beginning and 80.6 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 132.24 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 80.6 MB in the beginning and 179.6 MB in the end (delta: -99.0 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 236.90 ms. Allocated memory is still 201.9 MB. Free memory was 179.6 MB in the beginning and 168.4 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. * Sifa took 99.51 ms. Allocated memory is still 201.9 MB. Free memory was 168.4 MB in the beginning and 166.1 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - ExceptionOrErrorResult: IllegalArgumentException: Recursive programs are not supported. de.uni_freiburg.informatik.ultimate.plugins.sifa: IllegalArgumentException: Recursive programs are not supported.: de.uni_freiburg.informatik.ultimate.lib.sifa.CallGraph.topsortRelevant(CallGraph.java:132) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...