/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml --sifa.abstract.domain OctagonDomain -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/float-newlib/double_req_bl_0682a.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.sifa-quantifier-058fc93 [2023-03-22 19:36:34,085 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-22 19:36:34,087 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-22 19:36:34,110 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-22 19:36:34,111 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-22 19:36:34,112 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-22 19:36:34,112 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-22 19:36:34,114 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-22 19:36:34,115 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-22 19:36:34,115 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-22 19:36:34,116 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-22 19:36:34,117 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-22 19:36:34,117 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-22 19:36:34,118 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-22 19:36:34,118 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-22 19:36:34,119 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-22 19:36:34,120 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-22 19:36:34,120 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-22 19:36:34,123 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-22 19:36:34,138 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-22 19:36:34,139 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-22 19:36:34,140 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-22 19:36:34,141 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-22 19:36:34,141 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-22 19:36:34,143 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-22 19:36:34,144 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-22 19:36:34,144 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-22 19:36:34,144 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-22 19:36:34,145 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-22 19:36:34,145 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-22 19:36:34,146 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-22 19:36:34,146 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-22 19:36:34,146 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-22 19:36:34,147 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-22 19:36:34,148 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-22 19:36:34,148 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-22 19:36:34,148 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-22 19:36:34,148 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-22 19:36:34,149 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-22 19:36:34,149 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-22 19:36:34,150 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-22 19:36:34,156 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 [2023-03-22 19:36:34,178 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-22 19:36:34,179 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-22 19:36:34,179 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-22 19:36:34,179 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-22 19:36:34,180 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-22 19:36:34,180 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-22 19:36:34,181 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-22 19:36:34,181 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-22 19:36:34,181 INFO L138 SettingsManager]: * Use SBE=true [2023-03-22 19:36:34,181 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-22 19:36:34,182 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-22 19:36:34,182 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-22 19:36:34,182 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-22 19:36:34,182 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-22 19:36:34,182 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-22 19:36:34,182 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-22 19:36:34,182 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-22 19:36:34,182 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-22 19:36:34,182 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-22 19:36:34,182 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-22 19:36:34,182 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-22 19:36:34,182 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-22 19:36:34,183 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-22 19:36:34,183 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-22 19:36:34,183 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-22 19:36:34,183 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-22 19:36:34,183 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-22 19:36:34,183 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-22 19:36:34,183 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-22 19:36:34,184 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-22 19:36:34,184 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-22 19:36:34,184 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-22 19:36:34,184 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-22 19:36:34,184 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-22 19:36:34,184 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-22 19:36:34,184 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-03-22 19:36:34,331 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-22 19:36:34,350 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-22 19:36:34,353 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-22 19:36:34,353 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-22 19:36:34,354 INFO L275 PluginConnector]: CDTParser initialized [2023-03-22 19:36:34,354 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0682a.c [2023-03-22 19:36:35,389 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-22 19:36:35,586 INFO L351 CDTParser]: Found 1 translation units. [2023-03-22 19:36:35,587 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0682a.c [2023-03-22 19:36:35,598 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be8884f86/70abcdcc1a354294a038bda3e328baf1/FLAG13fb3d1d7 [2023-03-22 19:36:35,618 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be8884f86/70abcdcc1a354294a038bda3e328baf1 [2023-03-22 19:36:35,620 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-22 19:36:35,621 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-22 19:36:35,622 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-22 19:36:35,622 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-22 19:36:35,627 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-22 19:36:35,628 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.03 07:36:35" (1/1) ... [2023-03-22 19:36:35,629 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e7f6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 07:36:35, skipping insertion in model container [2023-03-22 19:36:35,629 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.03 07:36:35" (1/1) ... [2023-03-22 19:36:35,634 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-22 19:36:35,661 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-22 19:36:35,838 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/float-newlib/double_req_bl_0682a.c[6875,6888] [2023-03-22 19:36:35,841 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-22 19:36:35,855 INFO L203 MainTranslator]: Completed pre-run [2023-03-22 19:36:35,888 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/float-newlib/double_req_bl_0682a.c[6875,6888] [2023-03-22 19:36:35,889 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-22 19:36:35,900 INFO L208 MainTranslator]: Completed translation [2023-03-22 19:36:35,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 07:36:35 WrapperNode [2023-03-22 19:36:35,901 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-22 19:36:35,902 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-22 19:36:35,902 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-22 19:36:35,902 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-22 19:36:35,910 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 07:36:35" (1/1) ... [2023-03-22 19:36:35,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 07:36:35" (1/1) ... [2023-03-22 19:36:35,931 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 07:36:35" (1/1) ... [2023-03-22 19:36:35,932 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 07:36:35" (1/1) ... [2023-03-22 19:36:35,948 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 07:36:35" (1/1) ... [2023-03-22 19:36:35,955 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 07:36:35" (1/1) ... [2023-03-22 19:36:35,958 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 07:36:35" (1/1) ... [2023-03-22 19:36:35,960 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 07:36:35" (1/1) ... [2023-03-22 19:36:35,963 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-22 19:36:35,964 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-22 19:36:35,964 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-22 19:36:35,964 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-22 19:36:35,965 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 07:36:35" (1/1) ... [2023-03-22 19:36:35,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-22 19:36:35,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-22 19:36:36,034 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) [2023-03-22 19:36:36,056 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 [2023-03-22 19:36:36,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-22 19:36:36,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-22 19:36:36,085 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-22 19:36:36,085 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2023-03-22 19:36:36,085 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2023-03-22 19:36:36,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_atan2 [2023-03-22 19:36:36,085 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2023-03-22 19:36:36,085 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_double [2023-03-22 19:36:36,085 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-22 19:36:36,085 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-22 19:36:36,085 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-22 19:36:36,086 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-22 19:36:36,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-22 19:36:36,086 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2023-03-22 19:36:36,086 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2023-03-22 19:36:36,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-22 19:36:36,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-03-22 19:36:36,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-22 19:36:36,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-22 19:36:36,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-22 19:36:36,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-03-22 19:36:36,087 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2023-03-22 19:36:36,087 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_atan2 [2023-03-22 19:36:36,087 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2023-03-22 19:36:36,087 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_double [2023-03-22 19:36:36,087 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-22 19:36:36,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-22 19:36:36,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-22 19:36:36,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-03-22 19:36:36,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-22 19:36:36,202 INFO L236 CfgBuilder]: Building ICFG [2023-03-22 19:36:36,203 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-22 19:36:36,684 INFO L277 CfgBuilder]: Performing block encoding [2023-03-22 19:36:36,690 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-22 19:36:36,691 INFO L302 CfgBuilder]: Removed 20 assume(true) statements. [2023-03-22 19:36:36,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.03 07:36:36 BoogieIcfgContainer [2023-03-22 19:36:36,693 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-22 19:36:36,694 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2023-03-22 19:36:36,694 INFO L271 PluginConnector]: Initializing Sifa... [2023-03-22 19:36:36,694 INFO L275 PluginConnector]: Sifa initialized [2023-03-22 19:36:36,695 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.03 07:36:36" (1/1) ... [2023-03-22 19:36:36,695 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=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=NONE ♦ Max. Parallel Equality=2 ♦ SizeLimitFluid Max. DAG Size=-1 [2023-03-22 19:36:36,721 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2023-03-22 19:36:36,721 INFO L166 IcfgInterpreter]: Building call graph [2023-03-22 19:36:36,738 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-22 19:36:36,743 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-22 19:36:36,744 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-22 19:36:37,309 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 147 for LOIs [2023-03-22 19:36:49,596 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2023-03-22 19:37:26,925 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6