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 --sifa.abstract.domain IntervalDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 16:27:08,891 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 16:27:08,893 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 16:27:08,914 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 16:27:08,914 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 16:27:08,915 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 16:27:08,916 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 16:27:08,918 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 16:27:08,920 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 16:27:08,921 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 16:27:08,922 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 16:27:08,923 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 16:27:08,923 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 16:27:08,924 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 16:27:08,925 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 16:27:08,926 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 16:27:08,927 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 16:27:08,928 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 16:27:08,930 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 16:27:08,932 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 16:27:08,936 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 16:27:08,939 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 16:27:08,940 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 16:27:08,941 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 16:27:08,945 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 16:27:08,945 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 16:27:08,946 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 16:27:08,946 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 16:27:08,947 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 16:27:08,948 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 16:27:08,948 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 16:27:08,949 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 16:27:08,949 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 16:27:08,951 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 16:27:08,955 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 16:27:08,956 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 16:27:08,956 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 16:27:08,957 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 16:27:08,957 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 16:27:08,958 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 16:27:08,960 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 16:27:08,962 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 [2019-09-20 16:27:08,985 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 16:27:08,985 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 16:27:08,987 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 16:27:08,988 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 16:27:08,988 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 16:27:08,988 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 16:27:08,988 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 16:27:08,988 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 16:27:08,989 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 16:27:08,989 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 16:27:08,990 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 16:27:08,990 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 16:27:08,990 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 16:27:08,991 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 16:27:08,991 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 16:27:08,991 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 16:27:08,991 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 16:27:08,991 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 16:27:08,992 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 16:27:08,992 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 16:27:08,992 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 16:27:08,992 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 16:27:08,992 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 16:27:08,993 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 16:27:08,993 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 16:27:08,993 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 16:27:08,993 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 16:27:08,994 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 16:27:08,994 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 16:27:09,049 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 16:27:09,067 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 16:27:09,071 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 16:27:09,072 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 16:27:09,072 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 16:27:09,073 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_2.c [2019-09-20 16:27:09,141 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18a4aa0c6/75bf07b3f71b4ab4be1ec951be7a4911/FLAG585841241 [2019-09-20 16:27:09,653 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 16:27:09,656 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_2.c [2019-09-20 16:27:09,670 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18a4aa0c6/75bf07b3f71b4ab4be1ec951be7a4911/FLAG585841241 [2019-09-20 16:27:09,969 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18a4aa0c6/75bf07b3f71b4ab4be1ec951be7a4911 [2019-09-20 16:27:09,980 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 16:27:09,982 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 16:27:09,983 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 16:27:09,983 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 16:27:09,985 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 16:27:09,986 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 04:27:09" (1/1) ... [2019-09-20 16:27:09,988 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57165662 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:27:09, skipping insertion in model container [2019-09-20 16:27:09,988 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 04:27:09" (1/1) ... [2019-09-20 16:27:09,995 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 16:27:10,042 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 16:27:10,405 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 16:27:10,418 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 16:27:10,506 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 16:27:10,529 INFO L192 MainTranslator]: Completed translation [2019-09-20 16:27:10,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:27:10 WrapperNode [2019-09-20 16:27:10,530 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 16:27:10,531 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 16:27:10,531 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 16:27:10,531 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 16:27:10,541 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:27:10" (1/1) ... [2019-09-20 16:27:10,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:27:10" (1/1) ... [2019-09-20 16:27:10,574 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:27:10" (1/1) ... [2019-09-20 16:27:10,574 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:27:10" (1/1) ... [2019-09-20 16:27:10,606 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:27:10" (1/1) ... [2019-09-20 16:27:10,617 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:27:10" (1/1) ... [2019-09-20 16:27:10,621 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:27:10" (1/1) ... [2019-09-20 16:27:10,628 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 16:27:10,628 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 16:27:10,629 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 16:27:10,629 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 16:27:10,630 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:27:10" (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 [2019-09-20 16:27:10,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 16:27:10,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 16:27:10,703 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2019-09-20 16:27:10,704 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_89 [2019-09-20 16:27:10,705 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_92 [2019-09-20 16:27:10,705 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2019-09-20 16:27:10,705 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_96 [2019-09-20 16:27:10,706 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_97 [2019-09-20 16:27:10,706 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_99 [2019-09-20 16:27:10,706 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_100 [2019-09-20 16:27:10,707 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 16:27:10,708 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 16:27:10,708 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 16:27:10,708 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 16:27:10,708 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 16:27:10,708 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2019-09-20 16:27:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2019-09-20 16:27:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2019-09-20 16:27:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_92 [2019-09-20 16:27:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2019-09-20 16:27:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_96 [2019-09-20 16:27:10,712 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_97 [2019-09-20 16:27:10,712 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 16:27:10,712 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_99 [2019-09-20 16:27:10,712 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_100 [2019-09-20 16:27:10,712 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2019-09-20 16:27:10,712 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 16:27:10,713 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 16:27:10,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 16:27:10,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 16:27:10,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 16:27:10,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 16:27:10,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 16:27:10,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 16:27:10,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 16:27:10,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 16:27:10,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 16:27:10,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 16:27:10,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 16:27:12,185 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 16:27:12,186 INFO L283 CfgBuilder]: Removed 7 assume(true) statements. [2019-09-20 16:27:12,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 04:27:12 BoogieIcfgContainer [2019-09-20 16:27:12,188 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 16:27:12,188 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 16:27:12,188 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 16:27:12,189 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 16:27:12,190 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 04:27:12" (1/1) ... [2019-09-20 16:27:12,191 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 16:27:12,222 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 16:27:12,222 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 16:27:12,230 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:88) at de.uni_freiburg.informatik.ultimate.plugins.sifa.SifaObserver.processIcfg(SifaObserver.java:80) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-09-20 16:27:12,236 INFO L168 Benchmark]: Toolchain (without parser) took 2253.11 ms. Allocated memory was 132.6 MB in the beginning and 222.8 MB in the end (delta: 90.2 MB). Free memory was 87.2 MB in the beginning and 152.2 MB in the end (delta: -65.0 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. [2019-09-20 16:27:12,237 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 132.6 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 16:27:12,238 INFO L168 Benchmark]: CACSL2BoogieTranslator took 547.84 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 87.0 MB in the beginning and 167.1 MB in the end (delta: -80.1 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. [2019-09-20 16:27:12,240 INFO L168 Benchmark]: Boogie Preprocessor took 97.15 ms. Allocated memory is still 199.2 MB. Free memory was 167.1 MB in the beginning and 162.7 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-09-20 16:27:12,242 INFO L168 Benchmark]: RCFGBuilder took 1559.42 ms. Allocated memory was 199.2 MB in the beginning and 222.8 MB in the end (delta: 23.6 MB). Free memory was 162.7 MB in the beginning and 154.8 MB in the end (delta: 7.9 MB). Peak memory consumption was 94.0 MB. Max. memory is 7.1 GB. [2019-09-20 16:27:12,243 INFO L168 Benchmark]: Sifa took 44.84 ms. Allocated memory is still 222.8 MB. Free memory was 154.8 MB in the beginning and 152.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2019-09-20 16:27:12,253 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 132.6 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 547.84 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 87.0 MB in the beginning and 167.1 MB in the end (delta: -80.1 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 97.15 ms. Allocated memory is still 199.2 MB. Free memory was 167.1 MB in the beginning and 162.7 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1559.42 ms. Allocated memory was 199.2 MB in the beginning and 222.8 MB in the end (delta: 23.6 MB). Free memory was 162.7 MB in the beginning and 154.8 MB in the end (delta: 7.9 MB). Peak memory consumption was 94.0 MB. Max. memory is 7.1 GB. * Sifa took 44.84 ms. Allocated memory is still 222.8 MB. Free memory was 154.8 MB in the beginning and 152.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 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...