/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 IntervalDomain -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.sifa-quantifier-058fc93 [2023-03-22 16:55:38,877 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-22 16:55:38,879 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-22 16:55:38,916 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-22 16:55:38,916 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-22 16:55:38,917 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-22 16:55:38,918 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-22 16:55:38,919 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-22 16:55:38,920 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-22 16:55:38,924 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-22 16:55:38,925 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-22 16:55:38,926 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-22 16:55:38,926 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-22 16:55:38,926 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-22 16:55:38,927 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-22 16:55:38,928 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-22 16:55:38,928 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-22 16:55:38,929 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-22 16:55:38,930 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-22 16:55:38,931 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-22 16:55:38,932 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-22 16:55:38,938 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-22 16:55:38,939 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-22 16:55:38,941 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-22 16:55:38,943 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-22 16:55:38,943 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-22 16:55:38,943 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-22 16:55:38,944 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-22 16:55:38,944 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-22 16:55:38,944 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-22 16:55:38,945 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-22 16:55:38,945 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-22 16:55:38,946 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-22 16:55:38,946 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-22 16:55:38,947 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-22 16:55:38,947 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-22 16:55:38,948 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-22 16:55:38,949 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-22 16:55:38,949 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-22 16:55:38,950 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-22 16:55:38,950 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-22 16:55:38,952 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2023-03-22 16:55:38,992 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-22 16:55:38,992 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-22 16:55:38,992 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-22 16:55:38,993 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-22 16:55:38,993 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-22 16:55:38,993 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-22 16:55:38,994 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-22 16:55:38,994 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-22 16:55:38,994 INFO L138 SettingsManager]: * Use SBE=true [2023-03-22 16:55:38,994 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-22 16:55:38,994 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-22 16:55:38,994 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-22 16:55:38,995 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-22 16:55:38,995 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-22 16:55:38,995 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-22 16:55:38,995 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-22 16:55:38,995 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-22 16:55:38,995 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-22 16:55:38,995 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-22 16:55:38,995 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-22 16:55:38,995 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-22 16:55:38,996 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-22 16:55:38,996 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-22 16:55:38,996 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-22 16:55:38,996 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-22 16:55:38,996 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-22 16:55:38,996 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-22 16:55:38,996 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-22 16:55:38,996 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-22 16:55:38,996 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-22 16:55:38,997 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-22 16:55:38,997 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-22 16:55:38,997 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2023-03-22 16:55:39,217 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-22 16:55:39,240 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-22 16:55:39,241 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-22 16:55:39,242 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-22 16:55:39,242 INFO L275 PluginConnector]: CDTParser initialized [2023-03-22 16:55:39,243 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i [2023-03-22 16:55:40,331 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-22 16:55:40,889 INFO L351 CDTParser]: Found 1 translation units. [2023-03-22 16:55:40,890 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i [2023-03-22 16:55:40,941 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0584aaca/ce4b7322c39c4bb69a43643f1435ee63/FLAG43f3065e0 [2023-03-22 16:55:40,956 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0584aaca/ce4b7322c39c4bb69a43643f1435ee63 [2023-03-22 16:55:40,958 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-22 16:55:40,960 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-22 16:55:40,963 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-22 16:55:40,963 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-22 16:55:40,966 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-22 16:55:40,966 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.03 04:55:40" (1/1) ... [2023-03-22 16:55:40,967 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9c6ce7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 04:55:40, skipping insertion in model container [2023-03-22 16:55:40,967 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.03 04:55:40" (1/1) ... [2023-03-22 16:55:40,973 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-22 16:55:41,119 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-22 16:55:42,902 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/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i[325202,325215] [2023-03-22 16:55:42,965 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-22 16:55:43,012 INFO L203 MainTranslator]: Completed pre-run [2023-03-22 16:55:43,284 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/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i[325202,325215] [2023-03-22 16:55:43,294 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-22 16:55:43,381 WARN L667 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-03-22 16:55:43,381 WARN L667 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-03-22 16:55:43,382 WARN L667 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-03-22 16:55:43,387 INFO L208 MainTranslator]: Completed translation [2023-03-22 16:55:43,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 04:55:43 WrapperNode [2023-03-22 16:55:43,388 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-22 16:55:43,389 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-22 16:55:43,389 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-22 16:55:43,389 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-22 16:55:43,397 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 04:55:43" (1/1) ... [2023-03-22 16:55:43,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 04:55:43" (1/1) ... [2023-03-22 16:55:43,541 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 04:55:43" (1/1) ... [2023-03-22 16:55:43,541 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 04:55:43" (1/1) ... [2023-03-22 16:55:43,632 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 04:55:43" (1/1) ... [2023-03-22 16:55:43,660 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 04:55:43" (1/1) ... [2023-03-22 16:55:43,683 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 04:55:43" (1/1) ... [2023-03-22 16:55:43,703 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 04:55:43" (1/1) ... [2023-03-22 16:55:43,732 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-22 16:55:43,733 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-22 16:55:43,733 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-22 16:55:43,733 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-22 16:55:43,734 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 04:55:43" (1/1) ... [2023-03-22 16:55:43,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-22 16:55:43,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-22 16:55:43,770 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 16:55:43,805 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 16:55:43,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-22 16:55:43,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-22 16:55:43,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2023-03-22 16:55:43,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-03-22 16:55:43,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-03-22 16:55:43,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2023-03-22 16:55:43,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-03-22 16:55:43,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2023-03-22 16:55:43,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2023-03-22 16:55:43,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2023-03-22 16:55:43,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-03-22 16:55:43,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~int~X~int~TO~int [2023-03-22 16:55:43,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~int~TO~int [2023-03-22 16:55:43,822 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-22 16:55:43,822 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2023-03-22 16:55:43,822 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-03-22 16:55:43,823 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2023-03-22 16:55:43,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-03-22 16:55:43,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16p [2023-03-22 16:55:43,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __be16_to_cpup [2023-03-22 16:55:43,823 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-03-22 16:55:43,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-03-22 16:55:43,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-03-22 16:55:43,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-03-22 16:55:43,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-03-22 16:55:43,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-03-22 16:55:43,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-03-22 16:55:43,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-03-22 16:55:43,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-03-22 16:55:43,824 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-03-22 16:55:43,824 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-03-22 16:55:43,824 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-03-22 16:55:43,824 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move [2023-03-22 16:55:43,824 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-03-22 16:55:43,824 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-03-22 16:55:43,824 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-03-22 16:55:43,824 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-03-22 16:55:43,824 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-03-22 16:55:43,824 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2023-03-22 16:55:43,824 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2023-03-22 16:55:43,825 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic64_read [2023-03-22 16:55:43,825 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2023-03-22 16:55:43,825 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2023-03-22 16:55:43,825 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_add [2023-03-22 16:55:43,825 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_sub [2023-03-22 16:55:43,825 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-03-22 16:55:43,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_5 [2023-03-22 16:55:43,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_6 [2023-03-22 16:55:43,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_9 [2023-03-22 16:55:43,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_10 [2023-03-22 16:55:43,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_lock [2023-03-22 16:55:43,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2023-03-22 16:55:43,827 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_acquire [2023-03-22 16:55:43,827 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_release [2023-03-22 16:55:43,827 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2023-03-22 16:55:43,828 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2023-03-22 16:55:43,828 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_find [2023-03-22 16:55:43,828 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2023-03-22 16:55:43,828 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2023-03-22 16:55:43,828 INFO L138 BoogieDeclarations]: Found implementation of procedure register_chrdev [2023-03-22 16:55:43,828 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2023-03-22 16:55:43,829 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-03-22 16:55:43,829 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-03-22 16:55:43,829 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-03-22 16:55:43,829 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2023-03-22 16:55:43,829 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_is_last [2023-03-22 16:55:43,829 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_next [2023-03-22 16:55:43,829 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cloned [2023-03-22 16:55:43,829 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_unclone [2023-03-22 16:55:43,829 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_header_cloned [2023-03-22 16:55:43,829 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2023-03-22 16:55:43,829 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2023-03-22 16:55:43,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2023-03-22 16:55:43,829 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2023-03-22 16:55:43,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2023-03-22 16:55:43,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_before [2023-03-22 16:55:43,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2023-03-22 16:55:43,830 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2023-03-22 16:55:43,830 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2023-03-22 16:55:43,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_pull [2023-03-22 16:55:43,831 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_may_pull [2023-03-22 16:55:43,831 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2023-03-22 16:55:43,831 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2023-03-22 16:55:43,831 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-03-22 16:55:43,831 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2023-03-22 16:55:43,831 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-03-22 16:55:43,832 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2023-03-22 16:55:43,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_cow [2023-03-22 16:55:43,832 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cow_head [2023-03-22 16:55:43,832 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_complete_unset [2023-03-22 16:55:43,833 INFO L138 BoogieDeclarations]: Found implementation of procedure write_pnet [2023-03-22 16:55:43,833 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-03-22 16:55:43,833 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_net_set [2023-03-22 16:55:43,833 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-03-22 16:55:43,833 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-03-22 16:55:43,833 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2023-03-22 16:55:43,833 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-03-22 16:55:43,833 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_keep_dst [2023-03-22 16:55:43,833 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2023-03-22 16:55:43,833 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2023-03-22 16:55:43,833 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be16 [2023-03-22 16:55:43,834 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2023-03-22 16:55:43,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_pernet [2023-03-22 16:55:43,834 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_to_npindex [2023-03-22 16:55:43,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ethertype_to_npindex [2023-03-22 16:55:43,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_open [2023-03-22 16:55:43,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_release [2023-03-22 16:55:43,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_read [2023-03-22 16:55:43,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_write [2023-03-22 16:55:43,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_poll [2023-03-22 16:55:43,835 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2023-03-22 16:55:43,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ioctl [2023-03-22 16:55:43,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unattached_ioctl [2023-03-22 16:55:43,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_init_net [2023-03-22 16:55:43,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_exit_net [2023-03-22 16:55:43,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_init [2023-03-22 16:55:43,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_start_xmit [2023-03-22 16:55:43,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_net_ioctl [2023-03-22 16:55:43,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_get_stats64 [2023-03-22 16:55:43,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_dev_init [2023-03-22 16:55:43,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_setup [2023-03-22 16:55:43,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_xmit_process [2023-03-22 16:55:43,836 INFO L138 BoogieDeclarations]: Found implementation of procedure pad_compress_skb [2023-03-22 16:55:43,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_send_frame [2023-03-22 16:55:43,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_push [2023-03-22 16:55:43,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_mp_explode [2023-03-22 16:55:43,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_push [2023-03-22 16:55:43,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_do_recv [2023-03-22 16:55:43,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_input [2023-03-22 16:55:43,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_input_error [2023-03-22 16:55:43,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_receive_frame [2023-03-22 16:55:43,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_receive_error [2023-03-22 16:55:43,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_receive_nonmp_frame [2023-03-22 16:55:43,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_decompress_frame [2023-03-22 16:55:43,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_receive_mp_frame [2023-03-22 16:55:43,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_mp_insert [2023-03-22 16:55:43,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_mp_reconstruct [2023-03-22 16:55:43,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_register_channel [2023-03-22 16:55:43,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_register_net_channel [2023-03-22 16:55:43,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_index [2023-03-22 16:55:43,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unit_number [2023-03-22 16:55:43,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_dev_name [2023-03-22 16:55:43,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unregister_channel [2023-03-22 16:55:43,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_output_wakeup [2023-03-22 16:55:43,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_set_compress [2023-03-22 16:55:43,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_peek [2023-03-22 16:55:43,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_closed [2023-03-22 16:55:43,847 INFO L138 BoogieDeclarations]: Found implementation of procedure find_comp_entry [2023-03-22 16:55:43,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_register_compressor [2023-03-22 16:55:43,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unregister_compressor [2023-03-22 16:55:43,848 INFO L138 BoogieDeclarations]: Found implementation of procedure find_compressor [2023-03-22 16:55:43,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_get_stats [2023-03-22 16:55:43,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_create_interface [2023-03-22 16:55:43,848 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ppp_file [2023-03-22 16:55:43,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_shutdown_interface [2023-03-22 16:55:43,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_interface [2023-03-22 16:55:43,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_unit [2023-03-22 16:55:43,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_channel [2023-03-22 16:55:43,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_connect_channel [2023-03-22 16:55:43,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_disconnect_channel [2023-03-22 16:55:43,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_channel [2023-03-22 16:55:43,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_cleanup [2023-03-22 16:55:43,848 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_set [2023-03-22 16:55:43,849 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_get [2023-03-22 16:55:43,849 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_put [2023-03-22 16:55:43,849 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_find [2023-03-22 16:55:43,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_pernet_operations_2 [2023-03-22 16:55:43,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_1 [2023-03-22 16:55:43,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_3 [2023-03-22 16:55:43,849 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-22 16:55:43,849 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-03-22 16:55:43,849 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-03-22 16:55:43,849 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-03-22 16:55:43,849 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2023-03-22 16:55:43,849 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-03-22 16:55:43,849 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2023-03-22 16:55:43,849 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-03-22 16:55:43,849 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2023-03-22 16:55:43,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_26 [2023-03-22 16:55:43,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_28 [2023-03-22 16:55:43,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_30 [2023-03-22 16:55:43,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_31 [2023-03-22 16:55:43,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_32 [2023-03-22 16:55:43,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_33 [2023-03-22 16:55:43,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_34 [2023-03-22 16:55:43,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_35 [2023-03-22 16:55:43,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_36 [2023-03-22 16:55:43,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_chrdev_38 [2023-03-22 16:55:43,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_39 [2023-03-22 16:55:43,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_40 [2023-03-22 16:55:43,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_41 [2023-03-22 16:55:43,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_42 [2023-03-22 16:55:43,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_43 [2023-03-22 16:55:43,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-03-22 16:55:43,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-03-22 16:55:43,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2023-03-22 16:55:43,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2023-03-22 16:55:43,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2023-03-22 16:55:43,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-03-22 16:55:43,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2023-03-22 16:55:43,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2023-03-22 16:55:43,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-03-22 16:55:43,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-03-22 16:55:43,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2023-03-22 16:55:43,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __class_create [2023-03-22 16:55:43,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2023-03-22 16:55:43,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2023-03-22 16:55:43,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_rwsem [2023-03-22 16:55:43,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-03-22 16:55:43,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-03-22 16:55:43,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2023-03-22 16:55:43,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2023-03-22 16:55:43,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2023-03-22 16:55:43,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-03-22 16:55:43,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2023-03-22 16:55:43,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-03-22 16:55:43,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __register_chrdev [2023-03-22 16:55:43,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2023-03-22 16:55:43,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __rwlock_init [2023-03-22 16:55:43,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __unregister_chrdev [2023-03-22 16:55:43,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-03-22 16:55:43,852 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-03-22 16:55:43,852 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2023-03-22 16:55:43,853 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock_bh [2023-03-22 16:55:43,853 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock_bh [2023-03-22 16:55:43,853 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2023-03-22 16:55:43,853 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_bh [2023-03-22 16:55:43,853 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2023-03-22 16:55:43,853 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_bh [2023-03-22 16:55:43,853 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_bh [2023-03-22 16:55:43,853 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_bh [2023-03-22 16:55:43,853 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2023-03-22 16:55:43,853 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2023-03-22 16:55:43,853 INFO L138 BoogieDeclarations]: Found implementation of procedure bpf_prog_create [2023-03-22 16:55:43,853 INFO L138 BoogieDeclarations]: Found implementation of procedure bpf_prog_destroy [2023-03-22 16:55:43,853 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-03-22 16:55:43,853 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2023-03-22 16:55:43,853 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-03-22 16:55:43,854 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-03-22 16:55:43,854 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create [2023-03-22 16:55:43,854 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2023-03-22 16:55:43,854 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2023-03-22 16:55:43,854 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2023-03-22 16:55:43,854 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-03-22 16:55:43,854 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_alloc [2023-03-22 16:55:43,854 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_destroy [2023-03-22 16:55:43,854 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_find_slowpath [2023-03-22 16:55:43,854 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_init [2023-03-22 16:55:43,854 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2023-03-22 16:55:43,854 INFO L138 BoogieDeclarations]: Found implementation of procedure iov_iter_init [2023-03-22 16:55:43,854 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2023-03-22 16:55:43,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-03-22 16:55:43,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-03-22 16:55:43,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_open_1 [2023-03-22 16:55:43,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_stop_1 [2023-03-22 16:55:43,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_1 [2023-03-22 16:55:43,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2023-03-22 16:55:43,855 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-03-22 16:55:43,855 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_acquire [2023-03-22 16:55:43,855 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_release [2023-03-22 16:55:43,855 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2023-03-22 16:55:43,855 INFO L138 BoogieDeclarations]: Found implementation of procedure memdup_user [2023-03-22 16:55:43,855 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2023-03-22 16:55:43,855 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-03-22 16:55:43,855 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-03-22 16:55:43,855 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2023-03-22 16:55:43,855 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-03-22 16:55:43,856 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_printk [2023-03-22 16:55:43,856 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2023-03-22 16:55:43,856 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2023-03-22 16:55:43,856 INFO L138 BoogieDeclarations]: Found implementation of procedure noop_llseek [2023-03-22 16:55:43,856 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-03-22 16:55:43,856 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2023-03-22 16:55:43,856 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2023-03-22 16:55:43,856 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2023-03-22 16:55:43,856 INFO L138 BoogieDeclarations]: Found implementation of procedure register_pernet_device [2023-03-22 16:55:43,856 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2023-03-22 16:55:43,856 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2023-03-22 16:55:43,856 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_bits [2023-03-22 16:55:43,856 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_datagram_iter [2023-03-22 16:55:43,859 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2023-03-22 16:55:43,859 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2023-03-22 16:55:43,859 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull_rcsum [2023-03-22 16:55:43,859 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2023-03-22 16:55:43,859 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-03-22 16:55:43,859 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head [2023-03-22 16:55:43,859 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2023-03-22 16:55:43,859 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2023-03-22 16:55:43,859 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2023-03-22 16:55:43,860 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_compress [2023-03-22 16:55:43,860 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2023-03-22 16:55:43,860 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_init [2023-03-22 16:55:43,860 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_remember [2023-03-22 16:55:43,860 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_toss [2023-03-22 16:55:43,860 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_uncompress [2023-03-22 16:55:43,860 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2023-03-22 16:55:43,860 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-03-22 16:55:43,860 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pernet_device [2023-03-22 16:55:43,860 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2023-03-22 16:55:43,860 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2023-03-22 16:55:43,860 INFO L138 BoogieDeclarations]: Found implementation of procedure default_wake_function [2023-03-22 16:55:43,860 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-03-22 16:55:43,861 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-03-22 16:55:43,861 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-03-22 16:55:43,861 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-03-22 16:55:43,861 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-22 16:55:43,861 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-22 16:55:43,861 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-03-22 16:55:43,861 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-03-22 16:55:43,861 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-22 16:55:43,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-22 16:55:43,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-03-22 16:55:43,861 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2023-03-22 16:55:43,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-03-22 16:55:43,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-22 16:55:43,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-22 16:55:43,861 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-03-22 16:55:43,862 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2023-03-22 16:55:43,862 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-03-22 16:55:43,862 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16p [2023-03-22 16:55:43,862 INFO L130 BoogieDeclarations]: Found specification of procedure __be16_to_cpup [2023-03-22 16:55:43,862 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-03-22 16:55:43,862 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2023-03-22 16:55:43,862 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2023-03-22 16:55:43,862 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-03-22 16:55:43,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-03-22 16:55:43,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2023-03-22 16:55:43,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-03-22 16:55:43,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-03-22 16:55:43,862 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-22 16:55:43,862 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-03-22 16:55:43,862 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-03-22 16:55:43,863 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-22 16:55:43,863 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-03-22 16:55:43,863 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-03-22 16:55:43,863 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-03-22 16:55:43,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-03-22 16:55:43,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-22 16:55:43,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-03-22 16:55:43,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-03-22 16:55:43,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-03-22 16:55:43,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-03-22 16:55:43,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-03-22 16:55:43,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-03-22 16:55:43,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-03-22 16:55:43,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-03-22 16:55:43,863 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-03-22 16:55:43,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-22 16:55:43,864 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-03-22 16:55:43,864 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-03-22 16:55:43,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-22 16:55:43,864 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-03-22 16:55:43,864 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2023-03-22 16:55:43,864 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-03-22 16:55:43,864 INFO L130 BoogieDeclarations]: Found specification of procedure list_move [2023-03-22 16:55:43,864 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-03-22 16:55:43,864 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-03-22 16:55:43,864 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-03-22 16:55:43,864 INFO L130 BoogieDeclarations]: Found specification of procedure memdup_user [2023-03-22 16:55:43,864 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2023-03-22 16:55:43,864 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2023-03-22 16:55:43,864 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-03-22 16:55:43,865 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2023-03-22 16:55:43,865 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-03-22 16:55:43,865 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-03-22 16:55:43,865 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-03-22 16:55:43,865 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2023-03-22 16:55:43,865 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2023-03-22 16:55:43,865 INFO L130 BoogieDeclarations]: Found specification of procedure atomic64_read [2023-03-22 16:55:43,865 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2023-03-22 16:55:43,865 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2023-03-22 16:55:43,865 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_add [2023-03-22 16:55:43,865 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_sub [2023-03-22 16:55:43,865 INFO L130 BoogieDeclarations]: Found specification of procedure lock_acquire [2023-03-22 16:55:43,865 INFO L130 BoogieDeclarations]: Found specification of procedure lock_release [2023-03-22 16:55:43,865 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2023-03-22 16:55:43,865 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-03-22 16:55:43,866 INFO L130 BoogieDeclarations]: Found specification of procedure __rwlock_init [2023-03-22 16:55:43,866 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2023-03-22 16:55:43,866 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_bh [2023-03-22 16:55:43,866 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2023-03-22 16:55:43,866 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_bh [2023-03-22 16:55:43,866 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock_bh [2023-03-22 16:55:43,869 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_bh [2023-03-22 16:55:43,869 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock_bh [2023-03-22 16:55:43,870 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_bh [2023-03-22 16:55:43,870 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-03-22 16:55:43,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_5 [2023-03-22 16:55:43,870 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-03-22 16:55:43,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_6 [2023-03-22 16:55:43,870 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2023-03-22 16:55:43,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_9 [2023-03-22 16:55:43,870 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-03-22 16:55:43,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_10 [2023-03-22 16:55:43,870 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2023-03-22 16:55:43,871 INFO L130 BoogieDeclarations]: Found specification of procedure default_wake_function [2023-03-22 16:55:43,871 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-03-22 16:55:43,871 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2023-03-22 16:55:43,871 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2023-03-22 16:55:43,871 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-03-22 16:55:43,871 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-03-22 16:55:43,871 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-03-22 16:55:43,871 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-03-22 16:55:43,871 INFO L130 BoogieDeclarations]: Found specification of procedure __init_rwsem [2023-03-22 16:55:43,871 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2023-03-22 16:55:43,871 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2023-03-22 16:55:43,871 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2023-03-22 16:55:43,871 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2023-03-22 16:55:43,871 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_lock [2023-03-22 16:55:43,871 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2023-03-22 16:55:43,872 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2023-03-22 16:55:43,872 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_acquire [2023-03-22 16:55:43,872 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_release [2023-03-22 16:55:43,872 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-03-22 16:55:43,872 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2023-03-22 16:55:43,872 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2023-03-22 16:55:43,872 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2023-03-22 16:55:43,872 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2023-03-22 16:55:43,872 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find_slowpath [2023-03-22 16:55:43,872 INFO L130 BoogieDeclarations]: Found specification of procedure idr_alloc [2023-03-22 16:55:43,872 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2023-03-22 16:55:43,872 INFO L130 BoogieDeclarations]: Found specification of procedure idr_destroy [2023-03-22 16:55:43,872 INFO L130 BoogieDeclarations]: Found specification of procedure idr_init [2023-03-22 16:55:43,872 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find [2023-03-22 16:55:43,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-22 16:55:43,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-22 16:55:43,873 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2023-03-22 16:55:43,873 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2023-03-22 16:55:43,873 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-03-22 16:55:43,873 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2023-03-22 16:55:43,873 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2023-03-22 16:55:43,873 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2023-03-22 16:55:43,873 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-03-22 16:55:43,873 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-03-22 16:55:43,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-03-22 16:55:43,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_pernet_operations_2 [2023-03-22 16:55:43,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_1 [2023-03-22 16:55:43,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_3 [2023-03-22 16:55:43,873 INFO L130 BoogieDeclarations]: Found specification of procedure __class_create [2023-03-22 16:55:43,873 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2023-03-22 16:55:43,873 INFO L130 BoogieDeclarations]: Found specification of procedure device_create [2023-03-22 16:55:43,874 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2023-03-22 16:55:43,874 INFO L130 BoogieDeclarations]: Found specification of procedure iov_iter_init [2023-03-22 16:55:43,874 INFO L130 BoogieDeclarations]: Found specification of procedure __register_chrdev [2023-03-22 16:55:43,874 INFO L130 BoogieDeclarations]: Found specification of procedure __unregister_chrdev [2023-03-22 16:55:43,874 INFO L130 BoogieDeclarations]: Found specification of procedure register_chrdev [2023-03-22 16:55:43,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_chrdev_38 [2023-03-22 16:55:43,874 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2023-03-22 16:55:43,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_39 [2023-03-22 16:55:43,874 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2023-03-22 16:55:43,874 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2023-03-22 16:55:43,874 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-03-22 16:55:43,874 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2023-03-22 16:55:43,874 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2023-03-22 16:55:43,874 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2023-03-22 16:55:43,874 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-03-22 16:55:43,874 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-03-22 16:55:43,875 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2023-03-22 16:55:43,875 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-03-22 16:55:43,875 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2023-03-22 16:55:43,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_28 [2023-03-22 16:55:43,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_36 [2023-03-22 16:55:43,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_30 [2023-03-22 16:55:43,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_26 [2023-03-22 16:55:43,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_34 [2023-03-22 16:55:43,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_35 [2023-03-22 16:55:43,875 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-03-22 16:55:43,875 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2023-03-22 16:55:43,875 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_is_last [2023-03-22 16:55:43,875 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_next [2023-03-22 16:55:43,875 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cloned [2023-03-22 16:55:43,875 INFO L130 BoogieDeclarations]: Found specification of procedure skb_unclone [2023-03-22 16:55:43,876 INFO L130 BoogieDeclarations]: Found specification of procedure skb_header_cloned [2023-03-22 16:55:43,876 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2023-03-22 16:55:43,876 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2023-03-22 16:55:43,876 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2023-03-22 16:55:43,876 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2023-03-22 16:55:43,876 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2023-03-22 16:55:43,876 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_before [2023-03-22 16:55:43,876 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head [2023-03-22 16:55:43,876 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2023-03-22 16:55:43,876 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2023-03-22 16:55:43,876 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2023-03-22 16:55:43,876 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2023-03-22 16:55:43,876 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2023-03-22 16:55:43,876 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-03-22 16:55:43,876 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2023-03-22 16:55:43,876 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2023-03-22 16:55:43,877 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_pull [2023-03-22 16:55:43,877 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2023-03-22 16:55:43,877 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_may_pull [2023-03-22 16:55:43,880 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2023-03-22 16:55:43,880 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2023-03-22 16:55:43,880 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-03-22 16:55:43,880 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2023-03-22 16:55:43,880 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2023-03-22 16:55:43,880 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2023-03-22 16:55:43,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_31 [2023-03-22 16:55:43,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_32 [2023-03-22 16:55:43,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_33 [2023-03-22 16:55:43,880 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-03-22 16:55:43,880 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2023-03-22 16:55:43,881 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_cow [2023-03-22 16:55:43,881 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cow_head [2023-03-22 16:55:43,881 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull_rcsum [2023-03-22 16:55:43,881 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_datagram_iter [2023-03-22 16:55:43,881 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_bits [2023-03-22 16:55:43,881 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_complete_unset [2023-03-22 16:55:43,881 INFO L130 BoogieDeclarations]: Found specification of procedure write_pnet [2023-03-22 16:55:43,881 INFO L130 BoogieDeclarations]: Found specification of procedure register_pernet_device [2023-03-22 16:55:43,881 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pernet_device [2023-03-22 16:55:43,881 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-03-22 16:55:43,881 INFO L130 BoogieDeclarations]: Found specification of procedure dev_net_set [2023-03-22 16:55:43,881 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-03-22 16:55:43,881 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-03-22 16:55:43,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_41 [2023-03-22 16:55:43,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_43 [2023-03-22 16:55:43,882 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2023-03-22 16:55:43,882 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-03-22 16:55:43,882 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2023-03-22 16:55:43,882 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-03-22 16:55:43,882 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2023-03-22 16:55:43,882 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2023-03-22 16:55:43,882 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2023-03-22 16:55:43,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_40 [2023-03-22 16:55:43,882 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-03-22 16:55:43,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_42 [2023-03-22 16:55:43,882 INFO L130 BoogieDeclarations]: Found specification of procedure netif_keep_dst [2023-03-22 16:55:43,882 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_printk [2023-03-22 16:55:43,882 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-03-22 16:55:43,882 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2023-03-22 16:55:43,882 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2023-03-22 16:55:43,882 INFO L130 BoogieDeclarations]: Found specification of procedure bpf_prog_create [2023-03-22 16:55:43,883 INFO L130 BoogieDeclarations]: Found specification of procedure bpf_prog_destroy [2023-03-22 16:55:43,883 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_output_wakeup [2023-03-22 16:55:43,883 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_input [2023-03-22 16:55:43,883 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_input_error [2023-03-22 16:55:43,883 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_register_net_channel [2023-03-22 16:55:43,883 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_register_channel [2023-03-22 16:55:43,883 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unregister_channel [2023-03-22 16:55:43,883 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_index [2023-03-22 16:55:43,883 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unit_number [2023-03-22 16:55:43,883 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_dev_name [2023-03-22 16:55:43,883 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_register_compressor [2023-03-22 16:55:43,883 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unregister_compressor [2023-03-22 16:55:43,883 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2023-03-22 16:55:43,883 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be16 [2023-03-22 16:55:43,883 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_init [2023-03-22 16:55:43,883 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2023-03-22 16:55:43,884 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_compress [2023-03-22 16:55:43,884 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_uncompress [2023-03-22 16:55:43,884 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_remember [2023-03-22 16:55:43,884 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_toss [2023-03-22 16:55:43,884 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2023-03-22 16:55:43,884 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unattached_ioctl [2023-03-22 16:55:43,884 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_xmit_process [2023-03-22 16:55:43,884 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_send_frame [2023-03-22 16:55:43,884 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_push [2023-03-22 16:55:43,884 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_push [2023-03-22 16:55:43,884 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_receive_frame [2023-03-22 16:55:43,884 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_receive_error [2023-03-22 16:55:43,884 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_receive_nonmp_frame [2023-03-22 16:55:43,884 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_decompress_frame [2023-03-22 16:55:43,884 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_receive_mp_frame [2023-03-22 16:55:43,884 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_mp_insert [2023-03-22 16:55:43,885 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_mp_reconstruct [2023-03-22 16:55:43,885 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_mp_explode [2023-03-22 16:55:43,885 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_set_compress [2023-03-22 16:55:43,885 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_peek [2023-03-22 16:55:43,885 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_closed [2023-03-22 16:55:43,885 INFO L130 BoogieDeclarations]: Found specification of procedure find_compressor [2023-03-22 16:55:43,885 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_get_stats [2023-03-22 16:55:43,885 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_create_interface [2023-03-22 16:55:43,885 INFO L130 BoogieDeclarations]: Found specification of procedure init_ppp_file [2023-03-22 16:55:43,885 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_shutdown_interface [2023-03-22 16:55:43,885 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_interface [2023-03-22 16:55:43,885 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_unit [2023-03-22 16:55:43,885 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_channel [2023-03-22 16:55:43,885 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_connect_channel [2023-03-22 16:55:43,886 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_disconnect_channel [2023-03-22 16:55:43,886 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_channel [2023-03-22 16:55:43,886 INFO L130 BoogieDeclarations]: Found specification of procedure unit_get [2023-03-22 16:55:43,886 INFO L130 BoogieDeclarations]: Found specification of procedure unit_set [2023-03-22 16:55:43,886 INFO L130 BoogieDeclarations]: Found specification of procedure unit_put [2023-03-22 16:55:43,886 INFO L130 BoogieDeclarations]: Found specification of procedure unit_find [2023-03-22 16:55:43,886 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_pernet [2023-03-22 16:55:43,886 INFO L130 BoogieDeclarations]: Found specification of procedure proto_to_npindex [2023-03-22 16:55:43,886 INFO L130 BoogieDeclarations]: Found specification of procedure ethertype_to_npindex [2023-03-22 16:55:43,886 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_open [2023-03-22 16:55:43,886 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_release [2023-03-22 16:55:43,886 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_read [2023-03-22 16:55:43,886 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_write [2023-03-22 16:55:43,886 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_poll [2023-03-22 16:55:43,886 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2023-03-22 16:55:43,886 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ioctl [2023-03-22 16:55:43,886 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-03-22 16:55:43,887 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_init_net [2023-03-22 16:55:43,887 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_exit_net [2023-03-22 16:55:43,887 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_init [2023-03-22 16:55:43,887 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_start_xmit [2023-03-22 16:55:43,887 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_net_ioctl [2023-03-22 16:55:43,887 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-03-22 16:55:43,887 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_get_stats64 [2023-03-22 16:55:43,887 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_dev_init [2023-03-22 16:55:43,887 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_setup [2023-03-22 16:55:43,887 INFO L130 BoogieDeclarations]: Found specification of procedure pad_compress_skb [2023-03-22 16:55:43,887 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2023-03-22 16:55:43,887 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-03-22 16:55:43,887 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_do_recv [2023-03-22 16:55:43,887 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2023-03-22 16:55:43,887 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2023-03-22 16:55:43,888 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2023-03-22 16:55:43,888 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-03-22 16:55:43,888 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~int~X~int~TO~int [2023-03-22 16:55:43,888 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~int~TO~int [2023-03-22 16:55:43,888 INFO L130 BoogieDeclarations]: Found specification of procedure find_comp_entry [2023-03-22 16:55:43,888 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_cleanup [2023-03-22 16:55:43,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_open_1 [2023-03-22 16:55:43,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-03-22 16:55:43,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-03-22 16:55:43,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_1 [2023-03-22 16:55:43,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_stop_1 [2023-03-22 16:55:43,888 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-22 16:55:43,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-03-22 16:55:43,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2023-03-22 16:55:43,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2023-03-22 16:55:43,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2023-03-22 16:55:43,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2023-03-22 16:55:43,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2023-03-22 16:55:43,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2023-03-22 16:55:43,889 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-03-22 16:55:43,889 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2023-03-22 16:55:43,889 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-22 16:55:43,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-22 16:55:43,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-22 16:55:43,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-03-22 16:55:43,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-22 16:55:43,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-03-22 16:55:43,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-03-22 16:55:43,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-03-22 16:55:43,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-03-22 16:55:44,804 INFO L236 CfgBuilder]: Building ICFG [2023-03-22 16:55:44,811 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-22 16:55:44,949 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-03-22 16:55:48,910 INFO L277 CfgBuilder]: Performing block encoding [2023-03-22 16:55:48,949 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-22 16:55:48,949 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-03-22 16:55:48,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.03 04:55:48 BoogieIcfgContainer [2023-03-22 16:55:48,953 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-22 16:55:48,970 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2023-03-22 16:55:48,971 INFO L271 PluginConnector]: Initializing Sifa... [2023-03-22 16:55:48,971 INFO L275 PluginConnector]: Sifa initialized [2023-03-22 16:55:48,972 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.03 04:55:48" (1/1) ... [2023-03-22 16:55:48,973 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=IntervalDomain ♦ 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 16:55:49,018 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2023-03-22 16:55:49,018 INFO L166 IcfgInterpreter]: Building call graph [2023-03-22 16:55:49,037 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) [2023-03-22 16:55:49,051 INFO L158 Benchmark]: Toolchain (without parser) took 8090.60ms. Allocated memory was 297.8MB in the beginning and 995.1MB in the end (delta: 697.3MB). Free memory was 234.6MB in the beginning and 729.6MB in the end (delta: -495.0MB). Peak memory consumption was 203.1MB. Max. memory is 8.0GB. [2023-03-22 16:55:49,051 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 168.8MB. Free memory is still 118.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-22 16:55:49,052 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2425.67ms. Allocated memory was 297.8MB in the beginning and 511.7MB in the end (delta: 213.9MB). Free memory was 234.3MB in the beginning and 354.2MB in the end (delta: -119.9MB). Peak memory consumption was 100.4MB. Max. memory is 8.0GB. [2023-03-22 16:55:49,052 INFO L158 Benchmark]: Boogie Preprocessor took 343.40ms. Allocated memory is still 511.7MB. Free memory was 354.2MB in the beginning and 396.7MB in the end (delta: -42.5MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-03-22 16:55:49,053 INFO L158 Benchmark]: RCFGBuilder took 5219.61ms. Allocated memory was 511.7MB in the beginning and 995.1MB in the end (delta: 483.4MB). Free memory was 396.7MB in the beginning and 733.3MB in the end (delta: -336.6MB). Peak memory consumption was 159.4MB. Max. memory is 8.0GB. [2023-03-22 16:55:49,053 INFO L158 Benchmark]: Sifa took 79.51ms. Allocated memory is still 995.1MB. Free memory was 733.3MB in the beginning and 729.6MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-03-22 16:55:49,055 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 168.8MB. Free memory is still 118.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 2425.67ms. Allocated memory was 297.8MB in the beginning and 511.7MB in the end (delta: 213.9MB). Free memory was 234.3MB in the beginning and 354.2MB in the end (delta: -119.9MB). Peak memory consumption was 100.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 343.40ms. Allocated memory is still 511.7MB. Free memory was 354.2MB in the beginning and 396.7MB in the end (delta: -42.5MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * RCFGBuilder took 5219.61ms. Allocated memory was 511.7MB in the beginning and 995.1MB in the end (delta: 483.4MB). Free memory was 396.7MB in the beginning and 733.3MB in the end (delta: -336.6MB). Peak memory consumption was 159.4MB. Max. memory is 8.0GB. * Sifa took 79.51ms. Allocated memory is still 995.1MB. Free memory was 733.3MB in the beginning and 729.6MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. 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. [2023-03-22 16:55:49,076 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...