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_25-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-31 17:50:16,255 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 17:50:16,257 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 17:50:16,268 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 17:50:16,269 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 17:50:16,270 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 17:50:16,271 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 17:50:16,273 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 17:50:16,274 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 17:50:16,275 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 17:50:16,276 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 17:50:16,277 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 17:50:16,277 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 17:50:16,278 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 17:50:16,279 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 17:50:16,280 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 17:50:16,281 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 17:50:16,282 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 17:50:16,284 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 17:50:16,285 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 17:50:16,287 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 17:50:16,288 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 17:50:16,289 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 17:50:16,290 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 17:50:16,292 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-31 17:50:16,293 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-31 17:50:16,293 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-31 17:50:16,294 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-31 17:50:16,294 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-31 17:50:16,295 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-31 17:50:16,295 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-31 17:50:16,296 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-31 17:50:16,297 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-31 17:50:16,297 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-31 17:50:16,299 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-31 17:50:16,299 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-31 17:50:16,299 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-31 17:50:16,300 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-31 17:50:16,300 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 17:50:16,301 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 17:50:16,301 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 17:50:16,302 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 17:50:16,316 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 17:50:16,316 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 17:50:16,318 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 17:50:16,318 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 17:50:16,318 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 17:50:16,318 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 17:50:16,318 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 17:50:16,319 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 17:50:16,319 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 17:50:16,319 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 17:50:16,319 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 17:50:16,319 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 17:50:16,320 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 17:50:16,320 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 17:50:16,320 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 17:50:16,320 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 17:50:16,320 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 17:50:16,321 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 17:50:16,321 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 17:50:16,321 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 17:50:16,321 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 17:50:16,321 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 17:50:16,322 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 17:50:16,322 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 17:50:16,322 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 17:50:16,322 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 17:50:16,322 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 17:50:16,323 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 17:50:16,323 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 17:50:16,351 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 17:50:16,363 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 17:50:16,366 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 17:50:16,367 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 17:50:16,367 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 17:50:16,368 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_25-1.c [2019-08-31 17:50:16,427 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f8c4f91f/3704466979004932971e88de0c315d42/FLAG1172e0cb2 [2019-08-31 17:50:16,829 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 17:50:16,831 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursive-simple/fibo_25-1.c [2019-08-31 17:50:16,837 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f8c4f91f/3704466979004932971e88de0c315d42/FLAG1172e0cb2 [2019-08-31 17:50:17,222 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f8c4f91f/3704466979004932971e88de0c315d42 [2019-08-31 17:50:17,231 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 17:50:17,232 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 17:50:17,233 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 17:50:17,233 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 17:50:17,238 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 17:50:17,239 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 05:50:17" (1/1) ... [2019-08-31 17:50:17,241 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c18b3ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:50:17, skipping insertion in model container [2019-08-31 17:50:17,242 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 05:50:17" (1/1) ... [2019-08-31 17:50:17,249 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 17:50:17,264 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 17:50:17,441 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 17:50:17,446 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 17:50:17,458 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 17:50:17,470 INFO L192 MainTranslator]: Completed translation [2019-08-31 17:50:17,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:50:17 WrapperNode [2019-08-31 17:50:17,470 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 17:50:17,471 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 17:50:17,471 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 17:50:17,471 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 17:50:17,481 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:50:17" (1/1) ... [2019-08-31 17:50:17,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:50:17" (1/1) ... [2019-08-31 17:50:17,485 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:50:17" (1/1) ... [2019-08-31 17:50:17,485 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:50:17" (1/1) ... [2019-08-31 17:50:17,489 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:50:17" (1/1) ... [2019-08-31 17:50:17,585 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:50:17" (1/1) ... [2019-08-31 17:50:17,586 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:50:17" (1/1) ... [2019-08-31 17:50:17,587 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 17:50:17,588 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 17:50:17,588 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 17:50:17,588 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 17:50:17,589 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:50:17" (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 17:50:17,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 17:50:17,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 17:50:17,642 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo [2019-08-31 17:50:17,642 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 17:50:17,643 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-31 17:50:17,643 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 17:50:17,643 INFO L130 BoogieDeclarations]: Found specification of procedure fibo [2019-08-31 17:50:17,643 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 17:50:17,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 17:50:17,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 17:50:17,804 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 17:50:17,804 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-31 17:50:17,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 05:50:17 BoogieIcfgContainer [2019-08-31 17:50:17,811 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 17:50:17,811 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 17:50:17,812 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 17:50:17,812 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 17:50:17,819 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 05:50:17" (1/1) ... [2019-08-31 17:50:17,885 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-31 17:50:17,885 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 17:50:17,905 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-08-31 17:50:17,918 INFO L168 Benchmark]: Toolchain (without parser) took 681.78 ms. Allocated memory was 134.2 MB in the beginning and 202.4 MB in the end (delta: 68.2 MB). Free memory was 89.9 MB in the beginning and 165.6 MB in the end (delta: -75.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-31 17:50:17,920 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 134.2 MB. Free memory was 108.5 MB in the beginning and 108.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-31 17:50:17,921 INFO L168 Benchmark]: CACSL2BoogieTranslator took 237.64 ms. Allocated memory is still 134.2 MB. Free memory was 89.7 MB in the beginning and 80.6 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-08-31 17:50:17,925 INFO L168 Benchmark]: Boogie Preprocessor took 116.11 ms. Allocated memory was 134.2 MB in the beginning and 202.4 MB in the end (delta: 68.2 MB). Free memory was 80.6 MB in the beginning and 179.9 MB in the end (delta: -99.3 MB). Peak memory consumption was 16.9 MB. Max. memory is 7.1 GB. [2019-08-31 17:50:17,929 INFO L168 Benchmark]: RCFGBuilder took 223.40 ms. Allocated memory is still 202.4 MB. Free memory was 179.9 MB in the beginning and 168.6 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2019-08-31 17:50:17,930 INFO L168 Benchmark]: Sifa took 101.09 ms. Allocated memory is still 202.4 MB. Free memory was 168.6 MB in the beginning and 165.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2019-08-31 17:50:17,945 INFO L335 ainManager$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 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 237.64 ms. Allocated memory is still 134.2 MB. Free memory was 89.7 MB in the beginning and 80.6 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 116.11 ms. Allocated memory was 134.2 MB in the beginning and 202.4 MB in the end (delta: 68.2 MB). Free memory was 80.6 MB in the beginning and 179.9 MB in the end (delta: -99.3 MB). Peak memory consumption was 16.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 223.40 ms. Allocated memory is still 202.4 MB. Free memory was 179.9 MB in the beginning and 168.6 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * Sifa took 101.09 ms. Allocated memory is still 202.4 MB. Free memory was 168.6 MB in the beginning and 165.6 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...