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/fibo_10-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-31 17:50:03,800 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 17:50:03,802 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 17:50:03,814 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 17:50:03,815 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 17:50:03,816 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 17:50:03,818 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 17:50:03,824 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 17:50:03,825 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 17:50:03,826 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 17:50:03,827 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 17:50:03,829 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 17:50:03,831 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 17:50:03,832 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 17:50:03,835 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 17:50:03,837 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 17:50:03,837 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 17:50:03,841 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 17:50:03,842 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 17:50:03,845 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 17:50:03,848 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 17:50:03,849 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 17:50:03,850 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 17:50:03,853 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 17:50:03,856 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-31 17:50:03,857 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-31 17:50:03,857 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-31 17:50:03,858 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-31 17:50:03,859 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-31 17:50:03,860 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-31 17:50:03,860 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-31 17:50:03,861 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-31 17:50:03,862 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-31 17:50:03,863 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-31 17:50:03,866 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-31 17:50:03,867 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-31 17:50:03,867 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-31 17:50:03,868 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-31 17:50:03,868 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 17:50:03,870 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 17:50:03,872 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 17:50:03,873 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 17:50:03,898 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 17:50:03,898 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 17:50:03,900 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 17:50:03,900 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 17:50:03,900 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 17:50:03,901 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 17:50:03,901 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 17:50:03,901 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 17:50:03,901 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 17:50:03,901 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 17:50:03,902 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 17:50:03,903 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 17:50:03,903 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 17:50:03,903 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 17:50:03,903 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 17:50:03,903 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 17:50:03,904 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 17:50:03,904 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 17:50:03,904 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 17:50:03,904 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 17:50:03,905 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 17:50:03,905 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 17:50:03,905 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 17:50:03,905 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 17:50:03,906 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 17:50:03,906 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 17:50:03,906 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 17:50:03,906 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 17:50:03,906 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 17:50:03,960 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 17:50:03,972 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 17:50:03,975 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 17:50:03,977 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 17:50:03,977 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 17:50:03,978 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_10-1.c [2019-08-31 17:50:04,036 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9ddd5792/0500eccb0fc247ee978e1b80fefc7851/FLAG2cb040262 [2019-08-31 17:50:04,452 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 17:50:04,453 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursive-simple/fibo_10-1.c [2019-08-31 17:50:04,459 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9ddd5792/0500eccb0fc247ee978e1b80fefc7851/FLAG2cb040262 [2019-08-31 17:50:04,849 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9ddd5792/0500eccb0fc247ee978e1b80fefc7851 [2019-08-31 17:50:04,860 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 17:50:04,861 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 17:50:04,862 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 17:50:04,862 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 17:50:04,865 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 17:50:04,866 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 05:50:04" (1/1) ... [2019-08-31 17:50:04,869 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c06ba36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:50:04, skipping insertion in model container [2019-08-31 17:50:04,869 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 05:50:04" (1/1) ... [2019-08-31 17:50:04,876 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 17:50:04,892 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 17:50:05,075 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 17:50:05,078 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 17:50:05,091 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 17:50:05,103 INFO L192 MainTranslator]: Completed translation [2019-08-31 17:50:05,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:50:05 WrapperNode [2019-08-31 17:50:05,104 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 17:50:05,105 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 17:50:05,105 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 17:50:05,105 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 17:50:05,196 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:50:05" (1/1) ... [2019-08-31 17:50:05,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:50:05" (1/1) ... [2019-08-31 17:50:05,208 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:50:05" (1/1) ... [2019-08-31 17:50:05,208 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:50:05" (1/1) ... [2019-08-31 17:50:05,212 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:50:05" (1/1) ... [2019-08-31 17:50:05,216 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:50:05" (1/1) ... [2019-08-31 17:50:05,217 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:50:05" (1/1) ... [2019-08-31 17:50:05,218 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 17:50:05,218 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 17:50:05,219 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 17:50:05,219 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 17:50:05,220 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:50:05" (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 17:50:05,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 17:50:05,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 17:50:05,271 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo [2019-08-31 17:50:05,272 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 17:50:05,272 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-31 17:50:05,273 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 17:50:05,273 INFO L130 BoogieDeclarations]: Found specification of procedure fibo [2019-08-31 17:50:05,273 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 17:50:05,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 17:50:05,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 17:50:05,439 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 17:50:05,439 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-31 17:50:05,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 05:50:05 BoogieIcfgContainer [2019-08-31 17:50:05,441 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 17:50:05,447 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 17:50:05,448 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 17:50:05,448 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 17:50:05,450 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 05:50:05" (1/1) ... [2019-08-31 17:50:05,507 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-31 17:50:05,507 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 17:50:05,515 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-08-31 17:50:05,537 INFO L168 Benchmark]: Toolchain (without parser) took 672.79 ms. Allocated memory was 142.1 MB in the beginning and 200.8 MB in the end (delta: 58.7 MB). Free memory was 90.1 MB in the beginning and 165.1 MB in the end (delta: -75.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-31 17:50:05,541 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 142.1 MB. Free memory was 108.2 MB in the beginning and 108.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-31 17:50:05,543 INFO L168 Benchmark]: CACSL2BoogieTranslator took 242.50 ms. Allocated memory is still 142.1 MB. Free memory was 89.9 MB in the beginning and 80.5 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-08-31 17:50:05,547 INFO L168 Benchmark]: Boogie Preprocessor took 113.28 ms. Allocated memory was 142.1 MB in the beginning and 200.8 MB in the end (delta: 58.7 MB). Free memory was 80.3 MB in the beginning and 178.9 MB in the end (delta: -98.6 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2019-08-31 17:50:05,552 INFO L168 Benchmark]: RCFGBuilder took 222.64 ms. Allocated memory is still 200.8 MB. Free memory was 178.9 MB in the beginning and 167.8 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2019-08-31 17:50:05,553 INFO L168 Benchmark]: Sifa took 85.03 ms. Allocated memory is still 200.8 MB. Free memory was 167.8 MB in the beginning and 165.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-08-31 17:50:05,559 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 142.1 MB. Free memory was 108.2 MB in the beginning and 108.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 242.50 ms. Allocated memory is still 142.1 MB. Free memory was 89.9 MB in the beginning and 80.5 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 113.28 ms. Allocated memory was 142.1 MB in the beginning and 200.8 MB in the end (delta: 58.7 MB). Free memory was 80.3 MB in the beginning and 178.9 MB in the end (delta: -98.6 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 222.64 ms. Allocated memory is still 200.8 MB. Free memory was 178.9 MB in the beginning and 167.8 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. * Sifa took 85.03 ms. Allocated memory is still 200.8 MB. Free memory was 167.8 MB in the beginning and 165.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 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...