/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/SifaC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/recursive-simple/fibo_25-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 11:53:18,872 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 11:53:18,874 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 11:53:18,906 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 11:53:18,906 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 11:53:18,908 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 11:53:18,911 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 11:53:18,912 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 11:53:18,913 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 11:53:18,917 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 11:53:18,918 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 11:53:18,920 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 11:53:18,920 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 11:53:18,922 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 11:53:18,922 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 11:53:18,923 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 11:53:18,924 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 11:53:18,924 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 11:53:18,925 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 11:53:18,929 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 11:53:18,930 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 11:53:18,931 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 11:53:18,931 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 11:53:18,932 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 11:53:18,938 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 11:53:18,938 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 11:53:18,938 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 11:53:18,939 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 11:53:18,940 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 11:53:18,940 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 11:53:18,940 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 11:53:18,940 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 11:53:18,941 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 11:53:18,942 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 11:53:18,942 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 11:53:18,942 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 11:53:18,943 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 11:53:18,943 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 11:53:18,943 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 11:53:18,943 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 11:53:18,944 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 11:53:18,945 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-03-31 11:53:18,967 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 11:53:18,967 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 11:53:18,968 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 11:53:18,968 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 11:53:18,968 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 11:53:18,969 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 11:53:18,969 INFO L138 SettingsManager]: * User list type=DISABLED [2023-03-31 11:53:18,969 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-03-31 11:53:18,969 INFO L138 SettingsManager]: * Explicit value domain=true [2023-03-31 11:53:18,969 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-03-31 11:53:18,969 INFO L138 SettingsManager]: * Octagon Domain=false [2023-03-31 11:53:18,970 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-03-31 11:53:18,970 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-03-31 11:53:18,970 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-03-31 11:53:18,970 INFO L138 SettingsManager]: * Interval Domain=false [2023-03-31 11:53:18,970 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-03-31 11:53:18,970 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-03-31 11:53:18,970 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-03-31 11:53:18,971 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 11:53:18,971 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 11:53:18,971 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 11:53:18,971 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 11:53:18,971 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 11:53:18,971 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 11:53:18,971 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 11:53:18,972 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 11:53:18,972 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 11:53:18,972 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 11:53:18,972 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 11:53:18,972 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 11:53:18,972 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 11:53:18,972 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 11:53:18,972 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 11:53:18,972 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 11:53:18,973 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-03-31 11:53:18,973 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 11:53:18,973 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 11:53:18,973 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-03-31 11:53:18,973 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 11:53:18,973 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 11:53:18,973 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-03-31 11:53:18,973 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-03-31 11:53:19,159 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 11:53:19,184 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 11:53:19,186 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 11:53:19,187 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 11:53:19,187 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 11:53:19,188 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_25-1.c [2023-03-31 11:53:20,227 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 11:53:20,415 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 11:53:20,416 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_25-1.c [2023-03-31 11:53:20,419 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66f8e2b97/ba789f3cf0384a56bd628671c072da9c/FLAG54049db6f [2023-03-31 11:53:20,827 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66f8e2b97/ba789f3cf0384a56bd628671c072da9c [2023-03-31 11:53:20,834 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 11:53:20,835 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 11:53:20,835 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 11:53:20,836 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 11:53:20,838 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 11:53:20,839 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 11:53:20" (1/1) ... [2023-03-31 11:53:20,840 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@105acf97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:53:20, skipping insertion in model container [2023-03-31 11:53:20,840 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 11:53:20" (1/1) ... [2023-03-31 11:53:20,845 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 11:53:20,856 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 11:53:20,959 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_25-1.c[746,759] [2023-03-31 11:53:20,962 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 11:53:20,970 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 11:53:20,979 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_25-1.c[746,759] [2023-03-31 11:53:20,980 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 11:53:20,988 INFO L208 MainTranslator]: Completed translation [2023-03-31 11:53:20,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:53:20 WrapperNode [2023-03-31 11:53:20,989 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 11:53:20,990 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 11:53:20,990 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 11:53:20,990 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 11:53:20,997 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:53:20" (1/1) ... [2023-03-31 11:53:20,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:53:20" (1/1) ... [2023-03-31 11:53:21,001 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:53:20" (1/1) ... [2023-03-31 11:53:21,001 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:53:20" (1/1) ... [2023-03-31 11:53:21,005 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:53:20" (1/1) ... [2023-03-31 11:53:21,006 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:53:20" (1/1) ... [2023-03-31 11:53:21,009 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:53:20" (1/1) ... [2023-03-31 11:53:21,009 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:53:20" (1/1) ... [2023-03-31 11:53:21,011 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 11:53:21,012 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 11:53:21,012 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 11:53:21,012 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 11:53:21,013 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:53:20" (1/1) ... [2023-03-31 11:53:21,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 11:53:21,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 11:53:21,046 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-03-31 11:53:21,063 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-03-31 11:53:21,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 11:53:21,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 11:53:21,077 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 11:53:21,077 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo [2023-03-31 11:53:21,077 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 11:53:21,077 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 11:53:21,077 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 11:53:21,077 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 11:53:21,077 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 11:53:21,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 11:53:21,077 INFO L130 BoogieDeclarations]: Found specification of procedure fibo [2023-03-31 11:53:21,077 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 11:53:21,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 11:53:21,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 11:53:21,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 11:53:21,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 11:53:21,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 11:53:21,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 11:53:21,128 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 11:53:21,130 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 11:53:21,229 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 11:53:21,239 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 11:53:21,239 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-03-31 11:53:21,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 11:53:21 BoogieIcfgContainer [2023-03-31 11:53:21,241 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 11:53:21,241 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2023-03-31 11:53:21,241 INFO L271 PluginConnector]: Initializing Sifa... [2023-03-31 11:53:21,241 INFO L275 PluginConnector]: Sifa initialized [2023-03-31 11:53:21,242 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 11:53:21" (1/1) ... [2023-03-31 11:53:21,242 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=OctagonDomain ♦ Max. Parallel Octagon=2 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=POLY_PAC ♦ Max. Parallel Equality=2 ♦ SizeLimitFluid Max. DAG Size=-1 [2023-03-31 11:53:21,258 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2023-03-31 11:53:21,258 INFO L166 IcfgInterpreter]: Building call graph [2023-03-31 11:53:21,261 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:92) at de.uni_freiburg.informatik.ultimate.plugins.sifa.SifaBuilder.construct(SifaBuilder.java:96) at de.uni_freiburg.informatik.ultimate.plugins.sifa.SifaBuilder.construct(SifaBuilder.java:83) 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:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-03-31 11:53:21,264 INFO L158 Benchmark]: Toolchain (without parser) took 428.45ms. Allocated memory is still 314.6MB. Free memory was 278.7MB in the beginning and 255.1MB in the end (delta: 23.6MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. [2023-03-31 11:53:21,264 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 204.5MB. Free memory is still 150.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-31 11:53:21,265 INFO L158 Benchmark]: CACSL2BoogieTranslator took 153.49ms. Allocated memory is still 314.6MB. Free memory was 278.7MB in the beginning and 268.7MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2023-03-31 11:53:21,265 INFO L158 Benchmark]: Boogie Preprocessor took 21.89ms. Allocated memory is still 314.6MB. Free memory was 268.7MB in the beginning and 267.3MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-03-31 11:53:21,265 INFO L158 Benchmark]: RCFGBuilder took 228.72ms. Allocated memory is still 314.6MB. Free memory was 267.3MB in the beginning and 256.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2023-03-31 11:53:21,266 INFO L158 Benchmark]: Sifa took 21.42ms. Allocated memory is still 314.6MB. Free memory was 256.8MB in the beginning and 255.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-03-31 11:53:21,268 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.08ms. Allocated memory is still 204.5MB. Free memory is still 150.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 153.49ms. Allocated memory is still 314.6MB. Free memory was 278.7MB in the beginning and 268.7MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 21.89ms. Allocated memory is still 314.6MB. Free memory was 268.7MB in the beginning and 267.3MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 228.72ms. Allocated memory is still 314.6MB. Free memory was 267.3MB in the beginning and 256.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Sifa took 21.42ms. Allocated memory is still 314.6MB. Free memory was 256.8MB in the beginning and 255.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * 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. [2023-03-31 11:53:21,296 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...