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/Ackermann02.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-01cf0bf [2019-08-22 01:20:57,703 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 01:20:57,705 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 01:20:57,718 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-22 01:20:57,718 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-22 01:20:57,719 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-22 01:20:57,721 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-22 01:20:57,723 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-22 01:20:57,724 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-22 01:20:57,725 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-22 01:20:57,726 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-22 01:20:57,727 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-22 01:20:57,728 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 01:20:57,729 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 01:20:57,730 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 01:20:57,731 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 01:20:57,732 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 01:20:57,733 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 01:20:57,735 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 01:20:57,737 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 01:20:57,739 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 01:20:57,740 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 01:20:57,741 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 01:20:57,742 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 01:20:57,745 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-22 01:20:57,745 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-22 01:20:57,746 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-22 01:20:57,747 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-22 01:20:57,747 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-22 01:20:57,748 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-22 01:20:57,749 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-22 01:20:57,749 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-22 01:20:57,750 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-22 01:20:57,751 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-22 01:20:57,752 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-22 01:20:57,752 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-22 01:20:57,753 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-22 01:20:57,754 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-22 01:20:57,754 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 01:20:57,755 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 01:20:57,756 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 01:20:57,756 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 [2019-08-22 01:20:57,772 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 01:20:57,772 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 01:20:57,773 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 01:20:57,774 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 01:20:57,774 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 01:20:57,774 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 01:20:57,774 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 01:20:57,774 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 01:20:57,775 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 01:20:57,775 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 01:20:57,775 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 01:20:57,775 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 01:20:57,775 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 01:20:57,776 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 01:20:57,776 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 01:20:57,776 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 01:20:57,776 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 01:20:57,776 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 01:20:57,777 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 01:20:57,777 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 01:20:57,777 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 01:20:57,777 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 01:20:57,778 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 01:20:57,778 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 01:20:57,778 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 01:20:57,778 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 01:20:57,778 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 01:20:57,779 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 01:20:57,779 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 01:20:57,810 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 01:20:57,821 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 01:20:57,826 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 01:20:57,827 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 01:20:57,828 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 01:20:57,829 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive/Ackermann02.c [2019-08-22 01:20:57,914 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9893757fe/3d2614d8bf0849f293c56a334a120d06/FLAG0ecd5ce55 [2019-08-22 01:20:58,395 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 01:20:58,398 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursive/Ackermann02.c [2019-08-22 01:20:58,405 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9893757fe/3d2614d8bf0849f293c56a334a120d06/FLAG0ecd5ce55 [2019-08-22 01:20:58,721 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9893757fe/3d2614d8bf0849f293c56a334a120d06 [2019-08-22 01:20:58,730 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 01:20:58,731 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 01:20:58,733 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 01:20:58,733 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 01:20:58,737 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 01:20:58,738 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 01:20:58" (1/1) ... [2019-08-22 01:20:58,740 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@466189c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:20:58, skipping insertion in model container [2019-08-22 01:20:58,741 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 01:20:58" (1/1) ... [2019-08-22 01:20:58,748 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 01:20:58,765 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 01:20:58,914 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 01:20:58,918 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 01:20:58,934 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 01:20:58,945 INFO L192 MainTranslator]: Completed translation [2019-08-22 01:20:58,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:20:58 WrapperNode [2019-08-22 01:20:58,946 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 01:20:58,947 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 01:20:58,947 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 01:20:58,947 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 01:20:59,046 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:20:58" (1/1) ... [2019-08-22 01:20:59,047 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:20:58" (1/1) ... [2019-08-22 01:20:59,053 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:20:58" (1/1) ... [2019-08-22 01:20:59,053 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:20:58" (1/1) ... [2019-08-22 01:20:59,057 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:20:58" (1/1) ... [2019-08-22 01:20:59,060 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:20:58" (1/1) ... [2019-08-22 01:20:59,061 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:20:58" (1/1) ... [2019-08-22 01:20:59,062 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 01:20:59,063 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 01:20:59,063 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 01:20:59,063 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 01:20:59,064 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:20:58" (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 [2019-08-22 01:20:59,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 01:20:59,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 01:20:59,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ackermann [2019-08-22 01:20:59,125 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 01:20:59,126 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 01:20:59,126 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-22 01:20:59,126 INFO L130 BoogieDeclarations]: Found specification of procedure ackermann [2019-08-22 01:20:59,126 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 01:20:59,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 01:20:59,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 01:20:59,310 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 01:20:59,310 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-22 01:20:59,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 01:20:59 BoogieIcfgContainer [2019-08-22 01:20:59,312 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 01:20:59,312 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 01:20:59,313 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 01:20:59,313 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 01:20:59,314 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 01:20:59" (1/1) ... [2019-08-22 01:20:59,330 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-22 01:20:59,335 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 01:20:59,346 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.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$Head.forEach(ReferencePipeline.java:580) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.CallGraph.checkNotRecursive(CallGraph.java:131) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.CallGraph.(CallGraph.java:92) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.IcfgInterpreter.(IcfgInterpreter.java:84) at de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation.SifaBuilder.construct(SifaBuilder.java:94) at de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation.SymbolicInterpretationObserver.processIcfg(SymbolicInterpretationObserver.java:76) at de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation.SymbolicInterpretationObserver.process(SymbolicInterpretationObserver.java:69) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:156) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2019-08-22 01:20:59,355 INFO L168 Benchmark]: Toolchain (without parser) took 621.08 ms. Allocated memory was 141.6 MB in the beginning and 201.3 MB in the end (delta: 59.8 MB). Free memory was 89.6 MB in the beginning and 165.4 MB in the end (delta: -75.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-22 01:20:59,356 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 141.6 MB. Free memory is still 107.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-22 01:20:59,357 INFO L168 Benchmark]: CACSL2BoogieTranslator took 213.48 ms. Allocated memory is still 141.6 MB. Free memory was 89.2 MB in the beginning and 80.0 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-08-22 01:20:59,359 INFO L168 Benchmark]: Boogie Preprocessor took 115.71 ms. Allocated memory was 141.6 MB in the beginning and 201.3 MB in the end (delta: 59.8 MB). Free memory was 80.0 MB in the beginning and 179.7 MB in the end (delta: -99.7 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2019-08-22 01:20:59,360 INFO L168 Benchmark]: RCFGBuilder took 249.24 ms. Allocated memory is still 201.3 MB. Free memory was 178.8 MB in the beginning and 166.3 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. [2019-08-22 01:20:59,361 INFO L168 Benchmark]: Symbolic Interpretation took 38.11 ms. Allocated memory is still 201.3 MB. Free memory was 166.3 MB in the beginning and 165.4 MB in the end (delta: 855.8 kB). Peak memory consumption was 855.8 kB. Max. memory is 7.1 GB. [2019-08-22 01:20:59,367 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: * CDTParser took 0.22 ms. Allocated memory is still 141.6 MB. Free memory is still 107.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 213.48 ms. Allocated memory is still 141.6 MB. Free memory was 89.2 MB in the beginning and 80.0 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.71 ms. Allocated memory was 141.6 MB in the beginning and 201.3 MB in the end (delta: 59.8 MB). Free memory was 80.0 MB in the beginning and 179.7 MB in the end (delta: -99.7 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 249.24 ms. Allocated memory is still 201.3 MB. Free memory was 178.8 MB in the beginning and 166.3 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 38.11 ms. Allocated memory is still 201.3 MB. Free memory was 166.3 MB in the beginning and 165.4 MB in the end (delta: 855.8 kB). Peak memory consumption was 855.8 kB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...