/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/id2_b2_o3.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 11:53:32,225 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 11:53:32,228 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 11:53:32,267 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 11:53:32,268 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 11:53:32,270 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 11:53:32,273 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 11:53:32,275 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 11:53:32,277 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 11:53:32,281 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 11:53:32,283 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 11:53:32,284 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 11:53:32,285 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 11:53:32,287 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 11:53:32,287 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 11:53:32,289 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 11:53:32,289 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 11:53:32,290 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 11:53:32,292 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 11:53:32,296 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 11:53:32,297 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 11:53:32,298 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 11:53:32,299 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 11:53:32,300 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 11:53:32,308 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 11:53:32,308 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 11:53:32,308 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 11:53:32,310 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 11:53:32,310 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 11:53:32,311 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 11:53:32,311 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 11:53:32,312 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 11:53:32,313 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 11:53:32,313 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 11:53:32,314 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 11:53:32,314 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 11:53:32,315 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 11:53:32,315 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 11:53:32,315 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 11:53:32,316 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 11:53:32,316 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 11:53:32,317 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 11:53:32,345 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 11:53:32,345 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 11:53:32,346 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 11:53:32,346 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 11:53:32,347 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 11:53:32,347 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 11:53:32,347 INFO L138 SettingsManager]: * User list type=DISABLED [2023-03-31 11:53:32,347 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-03-31 11:53:32,347 INFO L138 SettingsManager]: * Explicit value domain=true [2023-03-31 11:53:32,347 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-03-31 11:53:32,348 INFO L138 SettingsManager]: * Octagon Domain=false [2023-03-31 11:53:32,348 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-03-31 11:53:32,349 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-03-31 11:53:32,349 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-03-31 11:53:32,349 INFO L138 SettingsManager]: * Interval Domain=false [2023-03-31 11:53:32,349 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-03-31 11:53:32,349 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-03-31 11:53:32,349 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-03-31 11:53:32,350 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 11:53:32,350 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 11:53:32,350 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 11:53:32,350 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 11:53:32,351 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 11:53:32,351 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 11:53:32,351 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 11:53:32,351 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 11:53:32,352 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 11:53:32,352 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 11:53:32,352 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 11:53:32,352 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 11:53:32,352 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 11:53:32,352 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 11:53:32,353 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 11:53:32,353 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 11:53:32,353 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-03-31 11:53:32,353 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 11:53:32,353 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 11:53:32,353 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-03-31 11:53:32,354 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 11:53:32,354 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 11:53:32,354 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-03-31 11:53:32,354 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-03-31 11:53:32,602 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 11:53:32,630 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 11:53:32,632 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 11:53:32,633 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 11:53:32,633 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 11:53:32,635 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id2_b2_o3.c [2023-03-31 11:53:33,823 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 11:53:34,015 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 11:53:34,016 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id2_b2_o3.c [2023-03-31 11:53:34,020 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/528a6e4e1/1dcb252c6b204d869d5e3c9b36565240/FLAG208839236 [2023-03-31 11:53:34,037 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/528a6e4e1/1dcb252c6b204d869d5e3c9b36565240 [2023-03-31 11:53:34,039 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 11:53:34,040 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 11:53:34,043 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 11:53:34,043 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 11:53:34,046 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 11:53:34,047 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 11:53:34" (1/1) ... [2023-03-31 11:53:34,048 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d6c21be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:53:34, skipping insertion in model container [2023-03-31 11:53:34,048 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 11:53:34" (1/1) ... [2023-03-31 11:53:34,054 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 11:53:34,065 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 11:53:34,206 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/id2_b2_o3.c[771,784] [2023-03-31 11:53:34,211 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 11:53:34,220 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 11:53:34,234 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/id2_b2_o3.c[771,784] [2023-03-31 11:53:34,235 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 11:53:34,246 INFO L208 MainTranslator]: Completed translation [2023-03-31 11:53:34,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:53:34 WrapperNode [2023-03-31 11:53:34,247 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 11:53:34,248 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 11:53:34,248 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 11:53:34,248 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 11:53:34,257 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:53:34" (1/1) ... [2023-03-31 11:53:34,257 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:53:34" (1/1) ... [2023-03-31 11:53:34,263 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:53:34" (1/1) ... [2023-03-31 11:53:34,263 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:53:34" (1/1) ... [2023-03-31 11:53:34,273 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:53:34" (1/1) ... [2023-03-31 11:53:34,274 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:53:34" (1/1) ... [2023-03-31 11:53:34,276 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:53:34" (1/1) ... [2023-03-31 11:53:34,276 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:53:34" (1/1) ... [2023-03-31 11:53:34,281 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 11:53:34,282 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 11:53:34,282 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 11:53:34,283 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 11:53:34,284 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:53:34" (1/1) ... [2023-03-31 11:53:34,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 11:53:34,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 11:53:34,312 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 11:53:34,334 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 11:53:34,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 11:53:34,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 11:53:34,359 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 11:53:34,359 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2023-03-31 11:53:34,359 INFO L138 BoogieDeclarations]: Found implementation of procedure id2 [2023-03-31 11:53:34,359 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 11:53:34,359 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2023-03-31 11:53:34,360 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 11:53:34,360 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 11:53:34,360 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 11:53:34,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 11:53:34,360 INFO L130 BoogieDeclarations]: Found specification of procedure id [2023-03-31 11:53:34,360 INFO L130 BoogieDeclarations]: Found specification of procedure id2 [2023-03-31 11:53:34,360 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 11:53:34,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 11:53:34,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 11:53:34,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 11:53:34,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 11:53:34,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 11:53:34,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 11:53:34,420 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 11:53:34,422 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 11:53:34,562 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 11:53:34,589 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 11:53:34,589 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-03-31 11:53:34,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 11:53:34 BoogieIcfgContainer [2023-03-31 11:53:34,591 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 11:53:34,592 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2023-03-31 11:53:34,592 INFO L271 PluginConnector]: Initializing Sifa... [2023-03-31 11:53:34,592 INFO L275 PluginConnector]: Sifa initialized [2023-03-31 11:53:34,593 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 11:53:34" (1/1) ... [2023-03-31 11:53:34,594 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 11:53:34,615 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2023-03-31 11:53:34,615 INFO L166 IcfgInterpreter]: Building call graph [2023-03-31 11:53:34,621 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 11:53:34,625 INFO L158 Benchmark]: Toolchain (without parser) took 583.64ms. Allocated memory is still 303.0MB. Free memory was 255.4MB in the beginning and 229.7MB in the end (delta: 25.7MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2023-03-31 11:53:34,625 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 208.7MB. Free memory is still 159.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-31 11:53:34,627 INFO L158 Benchmark]: CACSL2BoogieTranslator took 203.64ms. Allocated memory is still 303.0MB. Free memory was 254.8MB in the beginning and 244.9MB in the end (delta: 10.0MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2023-03-31 11:53:34,628 INFO L158 Benchmark]: Boogie Preprocessor took 33.95ms. Allocated memory is still 303.0MB. Free memory was 244.9MB in the beginning and 243.8MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-03-31 11:53:34,628 INFO L158 Benchmark]: RCFGBuilder took 309.17ms. Allocated memory is still 303.0MB. Free memory was 243.3MB in the beginning and 231.8MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-03-31 11:53:34,629 INFO L158 Benchmark]: Sifa took 31.17ms. Allocated memory is still 303.0MB. Free memory was 231.8MB in the beginning and 229.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-03-31 11:53:34,632 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 208.7MB. Free memory is still 159.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 203.64ms. Allocated memory is still 303.0MB. Free memory was 254.8MB in the beginning and 244.9MB in the end (delta: 10.0MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 33.95ms. Allocated memory is still 303.0MB. Free memory was 244.9MB in the beginning and 243.8MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 309.17ms. Allocated memory is still 303.0MB. Free memory was 243.3MB in the beginning and 231.8MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Sifa took 31.17ms. Allocated memory is still 303.0MB. Free memory was 231.8MB in the beginning and 229.7MB in the end (delta: 2.1MB). 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 11:53:34,646 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...