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/afterrec-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-31 17:49:57,461 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 17:49:57,463 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 17:49:57,475 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 17:49:57,475 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 17:49:57,481 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 17:49:57,483 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 17:49:57,488 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 17:49:57,490 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 17:49:57,492 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 17:49:57,493 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 17:49:57,496 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 17:49:57,496 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 17:49:57,500 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 17:49:57,503 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 17:49:57,504 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 17:49:57,505 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 17:49:57,509 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 17:49:57,511 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 17:49:57,516 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 17:49:57,519 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 17:49:57,520 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 17:49:57,523 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 17:49:57,525 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 17:49:57,527 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-31 17:49:57,528 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-31 17:49:57,528 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-31 17:49:57,531 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-31 17:49:57,532 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-31 17:49:57,532 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-31 17:49:57,533 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-31 17:49:57,533 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-31 17:49:57,534 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-31 17:49:57,535 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-31 17:49:57,536 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-31 17:49:57,536 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-31 17:49:57,537 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-31 17:49:57,537 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-31 17:49:57,537 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 17:49:57,538 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 17:49:57,540 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 17:49:57,541 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 17:49:57,565 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 17:49:57,566 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 17:49:57,570 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 17:49:57,570 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 17:49:57,570 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 17:49:57,571 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 17:49:57,571 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 17:49:57,571 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 17:49:57,571 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 17:49:57,571 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 17:49:57,572 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 17:49:57,573 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 17:49:57,573 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 17:49:57,573 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 17:49:57,573 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 17:49:57,574 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 17:49:57,574 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 17:49:57,574 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 17:49:57,574 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 17:49:57,574 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 17:49:57,574 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 17:49:57,574 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 17:49:57,575 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 17:49:57,575 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 17:49:57,575 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 17:49:57,575 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 17:49:57,575 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 17:49:57,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 17:49:57,576 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 17:49:57,603 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 17:49:57,616 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 17:49:57,619 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 17:49:57,621 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 17:49:57,621 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 17:49:57,622 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/afterrec-2.c [2019-08-31 17:49:57,680 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19ce0f50f/481d4e54f2a04199a7815e7f3ee17a22/FLAG166bd19a3 [2019-08-31 17:49:58,151 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 17:49:58,152 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursive-simple/afterrec-2.c [2019-08-31 17:49:58,157 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19ce0f50f/481d4e54f2a04199a7815e7f3ee17a22/FLAG166bd19a3 [2019-08-31 17:49:58,488 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19ce0f50f/481d4e54f2a04199a7815e7f3ee17a22 [2019-08-31 17:49:58,499 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 17:49:58,500 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 17:49:58,501 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 17:49:58,501 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 17:49:58,505 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 17:49:58,506 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 05:49:58" (1/1) ... [2019-08-31 17:49:58,509 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ef7353 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:49:58, skipping insertion in model container [2019-08-31 17:49:58,509 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 05:49:58" (1/1) ... [2019-08-31 17:49:58,516 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 17:49:58,532 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 17:49:58,669 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 17:49:58,673 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 17:49:58,689 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 17:49:58,701 INFO L192 MainTranslator]: Completed translation [2019-08-31 17:49:58,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:49:58 WrapperNode [2019-08-31 17:49:58,701 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 17:49:58,702 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 17:49:58,702 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 17:49:58,702 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 17:49:58,713 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:49:58" (1/1) ... [2019-08-31 17:49:58,713 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:49:58" (1/1) ... [2019-08-31 17:49:58,717 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:49:58" (1/1) ... [2019-08-31 17:49:58,717 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:49:58" (1/1) ... [2019-08-31 17:49:58,721 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:49:58" (1/1) ... [2019-08-31 17:49:58,723 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:49:58" (1/1) ... [2019-08-31 17:49:58,724 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:49:58" (1/1) ... [2019-08-31 17:49:58,725 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 17:49:58,725 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 17:49:58,726 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 17:49:58,726 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 17:49:58,726 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:49:58" (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 17:49:58,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 17:49:58,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 17:49:58,860 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-08-31 17:49:58,860 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 17:49:58,860 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 17:49:58,860 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-08-31 17:49:58,861 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 17:49:58,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 17:49:58,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 17:49:58,983 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 17:49:58,984 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-31 17:49:58,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 05:49:58 BoogieIcfgContainer [2019-08-31 17:49:58,985 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 17:49:58,986 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 17:49:58,986 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 17:49:58,986 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 17:49:58,987 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 05:49:58" (1/1) ... [2019-08-31 17:49:59,021 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-31 17:49:59,022 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 17:49:59,029 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-08-31 17:49:59,035 INFO L168 Benchmark]: Toolchain (without parser) took 533.40 ms. Allocated memory was 134.2 MB in the beginning and 200.8 MB in the end (delta: 66.6 MB). Free memory was 90.0 MB in the beginning and 166.3 MB in the end (delta: -76.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-31 17:49:59,036 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 134.2 MB. Free memory was 108.5 MB in the beginning and 108.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-31 17:49:59,037 INFO L168 Benchmark]: CACSL2BoogieTranslator took 200.59 ms. Allocated memory is still 134.2 MB. Free memory was 89.8 MB in the beginning and 81.3 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 7.1 GB. [2019-08-31 17:49:59,038 INFO L168 Benchmark]: Boogie Preprocessor took 22.88 ms. Allocated memory is still 134.2 MB. Free memory was 81.3 MB in the beginning and 79.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2019-08-31 17:49:59,039 INFO L168 Benchmark]: RCFGBuilder took 259.89 ms. Allocated memory was 134.2 MB in the beginning and 200.8 MB in the end (delta: 66.6 MB). Free memory was 79.9 MB in the beginning and 169.3 MB in the end (delta: -89.4 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-08-31 17:49:59,040 INFO L168 Benchmark]: Sifa took 46.31 ms. Allocated memory is still 200.8 MB. Free memory was 169.3 MB in the beginning and 166.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2019-08-31 17:49:59,045 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 134.2 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 200.59 ms. Allocated memory is still 134.2 MB. Free memory was 89.8 MB in the beginning and 81.3 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 22.88 ms. Allocated memory is still 134.2 MB. Free memory was 81.3 MB in the beginning and 79.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 259.89 ms. Allocated memory was 134.2 MB in the beginning and 200.8 MB in the end (delta: 66.6 MB). Free memory was 79.9 MB in the beginning and 169.3 MB in the end (delta: -89.4 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * Sifa took 46.31 ms. Allocated memory is still 200.8 MB. Free memory was 169.3 MB in the beginning and 166.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 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...