/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/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 21:30:11,313 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:30:11,316 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:30:11,351 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 21:30:11,352 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 21:30:11,354 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 21:30:11,355 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 21:30:11,373 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 21:30:11,375 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 21:30:11,376 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 21:30:11,377 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 21:30:11,379 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 21:30:11,379 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 21:30:11,381 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 21:30:11,382 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 21:30:11,383 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 21:30:11,384 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 21:30:11,385 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 21:30:11,387 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 21:30:11,390 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 21:30:11,392 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 21:30:11,394 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 21:30:11,396 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 21:30:11,397 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 21:30:11,401 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 21:30:11,402 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 21:30:11,402 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 21:30:11,404 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 21:30:11,404 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 21:30:11,405 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 21:30:11,406 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 21:30:11,407 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 21:30:11,408 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 21:30:11,409 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 21:30:11,410 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 21:30:11,410 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 21:30:11,411 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 21:30:11,411 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 21:30:11,412 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:30:11,413 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:30:11,414 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:30:11,415 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 21:30:11,445 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:30:11,445 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:30:11,446 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:30:11,446 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:30:11,447 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:30:11,447 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:30:11,448 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:30:11,448 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:30:11,448 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:30:11,449 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:30:11,449 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:30:11,449 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:30:11,450 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:30:11,450 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:30:11,450 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:30:11,451 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:30:11,451 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:30:11,451 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:30:11,451 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:30:11,451 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:30:11,452 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:30:11,452 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:30:11,452 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:30:11,453 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:30:11,453 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:30:11,453 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:30:11,453 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:30:11,454 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:30:11,457 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:30:11,457 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:30:11,458 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:30:11,458 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:30:11,458 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:30:11,458 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:30:11,892 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:30:11,918 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:30:11,921 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:30:11,923 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:30:11,923 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:30:11,925 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c [2022-10-15 21:30:12,014 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c714a4cd/2c113d80118e44ddbd932b4f46fb5d09/FLAG776bfc26c [2022-10-15 21:30:13,198 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:30:13,199 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c [2022-10-15 21:30:13,284 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c714a4cd/2c113d80118e44ddbd932b4f46fb5d09/FLAG776bfc26c [2022-10-15 21:30:13,446 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c714a4cd/2c113d80118e44ddbd932b4f46fb5d09 [2022-10-15 21:30:13,448 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:30:13,454 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:30:13,457 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:30:13,457 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:30:13,461 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:30:13,463 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:30:13" (1/1) ... [2022-10-15 21:30:13,464 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ec5c43f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:30:13, skipping insertion in model container [2022-10-15 21:30:13,464 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:30:13" (1/1) ... [2022-10-15 21:30:13,476 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:30:13,738 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:30:20,260 WARN L230 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-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[497955,497968] [2022-10-15 21:30:20,268 WARN L230 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-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[498529,498542] [2022-10-15 21:30:20,275 WARN L230 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-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[499728,499741] [2022-10-15 21:30:20,284 WARN L230 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-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[500436,500449] [2022-10-15 21:30:20,291 WARN L230 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-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[500877,500890] [2022-10-15 21:30:20,299 WARN L230 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-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[501109,501122] [2022-10-15 21:30:20,306 WARN L230 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-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[501687,501700] [2022-10-15 21:30:20,313 WARN L230 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-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[502277,502290] [2022-10-15 21:30:20,321 WARN L230 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-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[502694,502707] [2022-10-15 21:30:20,329 WARN L230 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-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[503091,503104] [2022-10-15 21:30:20,336 WARN L230 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-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[503326,503339] [2022-10-15 21:30:20,343 WARN L230 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-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[504074,504087] [2022-10-15 21:30:20,350 WARN L230 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-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[504495,504508] [2022-10-15 21:30:20,357 WARN L230 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-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[505122,505135] [2022-10-15 21:30:20,364 WARN L230 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-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[505537,505550] [2022-10-15 21:30:20,372 WARN L230 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-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[506181,506194] [2022-10-15 21:30:20,378 WARN L230 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-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[506911,506924] [2022-10-15 21:30:20,386 WARN L230 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-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[507747,507760] [2022-10-15 21:30:20,394 WARN L230 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-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[509093,509106] [2022-10-15 21:30:20,402 WARN L230 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-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[509491,509504] [2022-10-15 21:30:20,409 WARN L230 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-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[510048,510061] [2022-10-15 21:30:20,417 WARN L230 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-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[510431,510444] [2022-10-15 21:30:20,425 WARN L230 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-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[511047,511060] [2022-10-15 21:30:20,433 WARN L230 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-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[511621,511634] [2022-10-15 21:30:20,440 WARN L230 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-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[512534,512547] [2022-10-15 21:30:20,447 WARN L230 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-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[512925,512938] [2022-10-15 21:30:20,454 WARN L230 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-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[513154,513167] [2022-10-15 21:30:20,461 WARN L230 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-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[513560,513573] [2022-10-15 21:30:20,467 WARN L230 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-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[514417,514430] [2022-10-15 21:30:20,475 WARN L230 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-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[514824,514837] [2022-10-15 21:30:20,476 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:30:20,520 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:30:21,021 WARN L230 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-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[497955,497968] [2022-10-15 21:30:21,021 WARN L230 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-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[498529,498542] [2022-10-15 21:30:21,022 WARN L230 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-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[499728,499741] [2022-10-15 21:30:21,023 WARN L230 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-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[500436,500449] [2022-10-15 21:30:21,024 WARN L230 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-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[500877,500890] [2022-10-15 21:30:21,024 WARN L230 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-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[501109,501122] [2022-10-15 21:30:21,025 WARN L230 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-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[501687,501700] [2022-10-15 21:30:21,026 WARN L230 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-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[502277,502290] [2022-10-15 21:30:21,026 WARN L230 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-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[502694,502707] [2022-10-15 21:30:21,027 WARN L230 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-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[503091,503104] [2022-10-15 21:30:21,027 WARN L230 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-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[503326,503339] [2022-10-15 21:30:21,028 WARN L230 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-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[504074,504087] [2022-10-15 21:30:21,028 WARN L230 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-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[504495,504508] [2022-10-15 21:30:21,029 WARN L230 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-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[505122,505135] [2022-10-15 21:30:21,029 WARN L230 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-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[505537,505550] [2022-10-15 21:30:21,030 WARN L230 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-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[506181,506194] [2022-10-15 21:30:21,031 WARN L230 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-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[506911,506924] [2022-10-15 21:30:21,031 WARN L230 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-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[507747,507760] [2022-10-15 21:30:21,032 WARN L230 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-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[509093,509106] [2022-10-15 21:30:21,033 WARN L230 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-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[509491,509504] [2022-10-15 21:30:21,034 WARN L230 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-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[510048,510061] [2022-10-15 21:30:21,034 WARN L230 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-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[510431,510444] [2022-10-15 21:30:21,035 WARN L230 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-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[511047,511060] [2022-10-15 21:30:21,035 WARN L230 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-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[511621,511634] [2022-10-15 21:30:21,036 WARN L230 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-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[512534,512547] [2022-10-15 21:30:21,036 WARN L230 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-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[512925,512938] [2022-10-15 21:30:21,037 WARN L230 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-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[513154,513167] [2022-10-15 21:30:21,037 WARN L230 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-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[513560,513573] [2022-10-15 21:30:21,090 WARN L230 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-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[514417,514430] [2022-10-15 21:30:21,091 WARN L230 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-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[514824,514837] [2022-10-15 21:30:21,092 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:30:21,597 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:30:21,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:30:21 WrapperNode [2022-10-15 21:30:21,598 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:30:21,599 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:30:21,599 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:30:21,599 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:30:21,609 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:30:21" (1/1) ... [2022-10-15 21:30:21,750 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:30:21" (1/1) ... [2022-10-15 21:30:22,063 INFO L138 Inliner]: procedures = 801, calls = 2990, calls flagged for inlining = 304, calls inlined = 229, statements flattened = 7008 [2022-10-15 21:30:22,064 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:30:22,065 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:30:22,066 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:30:22,066 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:30:22,077 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:30:21" (1/1) ... [2022-10-15 21:30:22,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:30:21" (1/1) ... [2022-10-15 21:30:22,157 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:30:21" (1/1) ... [2022-10-15 21:30:22,158 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:30:21" (1/1) ... [2022-10-15 21:30:22,315 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:30:21" (1/1) ... [2022-10-15 21:30:22,346 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:30:21" (1/1) ... [2022-10-15 21:30:22,384 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:30:21" (1/1) ... [2022-10-15 21:30:22,406 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:30:21" (1/1) ... [2022-10-15 21:30:22,458 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:30:22,459 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:30:22,459 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:30:22,459 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:30:22,461 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:30:21" (1/1) ... [2022-10-15 21:30:22,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:30:22,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:30:22,498 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) [2022-10-15 21:30:22,522 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 [2022-10-15 21:30:22,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2022-10-15 21:30:22,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2022-10-15 21:30:22,571 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-10-15 21:30:22,571 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2022-10-15 21:30:22,571 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2022-10-15 21:30:22,571 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-10-15 21:30:22,571 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-10-15 21:30:22,571 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_datagram_iter [2022-10-15 21:30:22,571 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_shutdown_interface [2022-10-15 21:30:22,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_shutdown_interface [2022-10-15 21:30:22,572 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_interface [2022-10-15 21:30:22,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_interface [2022-10-15 21:30:22,572 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-10-15 21:30:22,572 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-10-15 21:30:22,572 INFO L130 BoogieDeclarations]: Found specification of procedure bpf_prog_destroy [2022-10-15 21:30:22,572 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_push [2022-10-15 21:30:22,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_push [2022-10-15 21:30:22,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-10-15 21:30:22,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-10-15 21:30:22,573 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-10-15 21:30:22,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-10-15 21:30:22,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-10-15 21:30:22,573 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_arch_io [2022-10-15 21:30:22,574 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_arch_io [2022-10-15 21:30:22,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_lib_idr__double_init [2022-10-15 21:30:22,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_lib_idr__double_init [2022-10-15 21:30:22,574 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2022-10-15 21:30:22,574 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2022-10-15 21:30:22,574 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-10-15 21:30:22,574 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-10-15 21:30:22,575 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-10-15 21:30:22,575 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_bh [2022-10-15 21:30:22,575 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_rcu_update_lock [2022-10-15 21:30:22,575 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_rcu_update_lock [2022-10-15 21:30:22,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-10-15 21:30:22,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-10-15 21:30:22,575 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_compress [2022-10-15 21:30:22,576 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-10-15 21:30:22,576 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-10-15 21:30:22,576 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_init [2022-10-15 21:30:22,576 INFO L130 BoogieDeclarations]: Found specification of procedure __register_chrdev [2022-10-15 21:30:22,576 INFO L130 BoogieDeclarations]: Found specification of procedure __rwlock_init [2022-10-15 21:30:22,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-10-15 21:30:22,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-10-15 21:30:22,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-15 21:30:22,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-10-15 21:30:22,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-10-15 21:30:22,577 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-10-15 21:30:22,577 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-10-15 21:30:22,577 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_output_wakeup [2022-10-15 21:30:22,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_output_wakeup [2022-10-15 21:30:22,578 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_block_queue [2022-10-15 21:30:22,578 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_block_queue [2022-10-15 21:30:22,578 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-10-15 21:30:22,578 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-10-15 21:30:22,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-10-15 21:30:22,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-10-15 21:30:22,578 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_block_genhd [2022-10-15 21:30:22,579 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_block_genhd [2022-10-15 21:30:22,579 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_open [2022-10-15 21:30:22,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_open [2022-10-15 21:30:22,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-15 21:30:22,579 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-10-15 21:30:22,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:30:22,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_lib_idr__not_initialized [2022-10-15 21:30:22,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_lib_idr__not_initialized [2022-10-15 21:30:22,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_read_unlock [2022-10-15 21:30:22,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_read_unlock [2022-10-15 21:30:22,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-10-15 21:30:22,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-10-15 21:30:22,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-15 21:30:22,580 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-15 21:30:22,581 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-10-15 21:30:22,581 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-10-15 21:30:22,581 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-10-15 21:30:22,581 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-10-15 21:30:22,581 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-10-15 21:30:22,581 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-10-15 21:30:22,581 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-15 21:30:22,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-10-15 21:30:22,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-10-15 21:30:22,582 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ioctl [2022-10-15 21:30:22,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ioctl [2022-10-15 21:30:22,582 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2022-10-15 21:30:22,582 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_channel [2022-10-15 21:30:22,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_channel [2022-10-15 21:30:22,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_198 [2022-10-15 21:30:22,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_198 [2022-10-15 21:30:22,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:30:22,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:30:22,583 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-15 21:30:22,583 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-15 21:30:22,583 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2022-10-15 21:30:22,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-15 21:30:22,584 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-10-15 21:30:22,584 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_xmit_process [2022-10-15 21:30:22,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_xmit_process [2022-10-15 21:30:22,584 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2022-10-15 21:30:22,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2022-10-15 21:30:22,584 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-10-15 21:30:22,584 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-10-15 21:30:22,585 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_remember [2022-10-15 21:30:22,585 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be16 [2022-10-15 21:30:22,585 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be16 [2022-10-15 21:30:22,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-15 21:30:22,585 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-15 21:30:22,585 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head [2022-10-15 21:30:22,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-10-15 21:30:22,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-10-15 21:30:22,586 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_fs_sysfs [2022-10-15 21:30:22,586 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_fs_sysfs [2022-10-15 21:30:22,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-10-15 21:30:22,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-10-15 21:30:22,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-15 21:30:22,586 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-10-15 21:30:22,586 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-10-15 21:30:22,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-10-15 21:30:22,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-10-15 21:30:22,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_base_class__double_registration [2022-10-15 21:30:22,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_base_class__double_registration [2022-10-15 21:30:22,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-15 21:30:22,587 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2022-10-15 21:30:22,587 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_send_frame [2022-10-15 21:30:22,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_send_frame [2022-10-15 21:30:22,587 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2022-10-15 21:30:22,588 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_locking_rwlock [2022-10-15 21:30:22,588 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_locking_rwlock [2022-10-15 21:30:22,588 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_receive_error [2022-10-15 21:30:22,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_receive_error [2022-10-15 21:30:22,588 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_unit [2022-10-15 21:30:22,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_unit [2022-10-15 21:30:22,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_module_put [2022-10-15 21:30:22,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_module_put [2022-10-15 21:30:22,589 INFO L130 BoogieDeclarations]: Found specification of procedure register_pernet_device [2022-10-15 21:30:22,589 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-10-15 21:30:22,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_idr_alloc_p [2022-10-15 21:30:22,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_idr_alloc_p [2022-10-15 21:30:22,589 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-10-15 21:30:22,589 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-10-15 21:30:22,589 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2022-10-15 21:30:22,589 INFO L130 BoogieDeclarations]: Found specification of procedure find_compressor [2022-10-15 21:30:22,590 INFO L138 BoogieDeclarations]: Found implementation of procedure find_compressor [2022-10-15 21:30:22,590 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_pernet [2022-10-15 21:30:22,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_pernet [2022-10-15 21:30:22,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-15 21:30:22,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-15 21:30:22,590 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_dev_init [2022-10-15 21:30:22,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_dev_init [2022-10-15 21:30:22,590 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-10-15 21:30:22,591 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-10-15 21:30:22,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-10-15 21:30:22,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-10-15 21:30:22,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-10-15 21:30:22,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-10-15 21:30:22,591 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2022-10-15 21:30:22,591 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_fs_char_dev [2022-10-15 21:30:22,591 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_fs_char_dev [2022-10-15 21:30:22,591 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2022-10-15 21:30:22,592 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2022-10-15 21:30:22,592 INFO L130 BoogieDeclarations]: Found specification of procedure iov_iter_init [2022-10-15 21:30:22,592 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_usb_gadget [2022-10-15 21:30:22,592 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_usb_gadget [2022-10-15 21:30:22,592 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2022-10-15 21:30:22,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-10-15 21:30:22,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-10-15 21:30:22,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-15 21:30:22,593 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-10-15 21:30:22,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-15 21:30:22,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-15 21:30:22,593 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_closed [2022-10-15 21:30:22,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_closed [2022-10-15 21:30:22,593 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-10-15 21:30:22,593 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-10-15 21:30:22,594 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-10-15 21:30:22,594 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_mmc_sdio_func [2022-10-15 21:30:22,594 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_mmc_sdio_func [2022-10-15 21:30:22,594 INFO L130 BoogieDeclarations]: Found specification of procedure memdup_user [2022-10-15 21:30:22,594 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2022-10-15 21:30:22,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_all_ppp_mutex_of_ppp_net [2022-10-15 21:30:22,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_all_ppp_mutex_of_ppp_net [2022-10-15 21:30:22,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadget [2022-10-15 21:30:22,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadget [2022-10-15 21:30:22,595 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_rcu_srcu [2022-10-15 21:30:22,595 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_rcu_srcu [2022-10-15 21:30:22,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__class_registration_with_usb_gadget [2022-10-15 21:30:22,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__class_registration_with_usb_gadget [2022-10-15 21:30:22,595 INFO L130 BoogieDeclarations]: Found specification of procedure find_comp_entry [2022-10-15 21:30:22,595 INFO L138 BoogieDeclarations]: Found implementation of procedure find_comp_entry [2022-10-15 21:30:22,595 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull_rcsum [2022-10-15 21:30:22,595 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2022-10-15 21:30:22,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-10-15 21:30:22,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-10-15 21:30:22,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-15 21:30:22,596 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-15 21:30:22,596 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_net_sock [2022-10-15 21:30:22,596 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_net_sock [2022-10-15 21:30:22,596 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-10-15 21:30:22,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_159 [2022-10-15 21:30:22,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_159 [2022-10-15 21:30:22,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-15 21:30:22,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-15 21:30:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure unit_find [2022-10-15 21:30:22,681 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_find [2022-10-15 21:30:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-10-15 21:30:22,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-10-15 21:30:22,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-10-15 21:30:22,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-10-15 21:30:22,682 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-15 21:30:22,682 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-15 21:30:22,682 INFO L130 BoogieDeclarations]: Found specification of procedure __init_rwsem [2022-10-15 21:30:22,682 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2022-10-15 21:30:22,682 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2022-10-15 21:30:22,682 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2022-10-15 21:30:22,682 INFO L130 BoogieDeclarations]: Found specification of procedure bpf_prog_create [2022-10-15 21:30:22,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-10-15 21:30:22,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-10-15 21:30:22,683 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-10-15 21:30:22,683 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-10-15 21:30:22,683 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-10-15 21:30:22,683 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-10-15 21:30:22,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-15 21:30:22,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-15 21:30:22,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-10-15 21:30:22,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-10-15 21:30:22,687 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_alloc_irq [2022-10-15 21:30:22,687 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_alloc_irq [2022-10-15 21:30:22,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-15 21:30:22,687 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-10-15 21:30:22,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_write_unlock [2022-10-15 21:30:22,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_write_unlock [2022-10-15 21:30:22,688 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-10-15 21:30:22,688 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_push [2022-10-15 21:30:22,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_push [2022-10-15 21:30:22,688 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-10-15 21:30:22,688 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-10-15 21:30:22,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_197 [2022-10-15 21:30:22,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_197 [2022-10-15 21:30:22,688 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-10-15 21:30:22,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-15 21:30:22,689 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-10-15 21:30:22,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_153 [2022-10-15 21:30:22,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_153 [2022-10-15 21:30:22,689 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-15 21:30:22,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-15 21:30:22,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-10-15 21:30:22,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-10-15 21:30:22,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-10-15 21:30:22,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-10-15 21:30:22,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-10-15 21:30:22,697 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cloned [2022-10-15 21:30:22,697 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cloned [2022-10-15 21:30:22,697 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_do_recv [2022-10-15 21:30:22,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_do_recv [2022-10-15 21:30:22,698 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2022-10-15 21:30:22,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_166 [2022-10-15 21:30:22,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_166 [2022-10-15 21:30:22,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_lib_idr__more_at_exit [2022-10-15 21:30:22,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_lib_idr__more_at_exit [2022-10-15 21:30:22,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-10-15 21:30:22,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-10-15 21:30:22,698 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_locking_mutex [2022-10-15 21:30:22,698 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_locking_mutex [2022-10-15 21:30:22,699 INFO L130 BoogieDeclarations]: Found specification of procedure proto_to_npindex [2022-10-15 21:30:22,699 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_to_npindex [2022-10-15 21:30:22,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_131 [2022-10-15 21:30:22,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_131 [2022-10-15 21:30:22,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_132 [2022-10-15 21:30:22,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_132 [2022-10-15 21:30:22,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_fs_char_dev__double_registration [2022-10-15 21:30:22,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_fs_char_dev__double_registration [2022-10-15 21:30:22,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-10-15 21:30:22,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-10-15 21:30:22,705 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2022-10-15 21:30:22,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_ppp_mutex [2022-10-15 21:30:22,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_ppp_mutex [2022-10-15 21:30:22,705 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2022-10-15 21:30:22,705 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_locking_spinlock [2022-10-15 21:30:22,705 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_locking_spinlock [2022-10-15 21:30:22,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_lib_idr__destroyed_before_usage [2022-10-15 21:30:22,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_lib_idr__destroyed_before_usage [2022-10-15 21:30:22,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_write_lock [2022-10-15 21:30:22,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_write_lock [2022-10-15 21:30:22,706 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_rcu_update_lock_sched [2022-10-15 21:30:22,706 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_rcu_update_lock_sched [2022-10-15 21:30:22,706 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2022-10-15 21:30:22,706 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_init_net [2022-10-15 21:30:22,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_init_net [2022-10-15 21:30:22,706 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-15 21:30:22,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-15 21:30:22,707 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-10-15 21:30:22,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-10-15 21:30:22,707 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-10-15 21:30:22,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-10-15 21:30:22,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-10-15 21:30:22,707 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2022-10-15 21:30:22,707 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_may_pull [2022-10-15 21:30:22,707 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_may_pull [2022-10-15 21:30:22,708 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2022-10-15 21:30:22,716 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_peek [2022-10-15 21:30:22,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_peek [2022-10-15 21:30:22,716 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-10-15 21:30:22,716 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2022-10-15 21:30:22,716 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-10-15 21:30:22,716 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-10-15 21:30:22,716 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_bh [2022-10-15 21:30:22,717 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-10-15 21:30:22,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-10-15 21:30:22,717 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_rcu_update_lock_bh [2022-10-15 21:30:22,717 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_rcu_update_lock_bh [2022-10-15 21:30:22,717 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2022-10-15 21:30:22,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-15 21:30:22,717 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_setup [2022-10-15 21:30:22,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_setup [2022-10-15 21:30:22,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-10-15 21:30:22,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-10-15 21:30:22,718 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_bits [2022-10-15 21:30:22,718 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2022-10-15 21:30:22,718 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-10-15 21:30:22,718 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-10-15 21:30:22,718 INFO L130 BoogieDeclarations]: Found specification of procedure init_ppp_file [2022-10-15 21:30:22,718 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ppp_file [2022-10-15 21:30:22,718 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-15 21:30:22,720 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-15 21:30:22,720 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-10-15 21:30:22,720 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-10-15 21:30:22,720 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_alloc_usb_lock [2022-10-15 21:30:22,720 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_alloc_usb_lock [2022-10-15 21:30:22,720 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_release [2022-10-15 21:30:22,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_release [2022-10-15 21:30:22,721 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-10-15 21:30:22,721 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2022-10-15 21:30:22,721 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_usb_coherent [2022-10-15 21:30:22,721 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_usb_coherent [2022-10-15 21:30:22,721 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2022-10-15 21:30:22,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_all_ppp_mutex_of_ppp_net [2022-10-15 21:30:22,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_all_ppp_mutex_of_ppp_net [2022-10-15 21:30:22,722 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2022-10-15 21:30:22,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-15 21:30:22,722 INFO L130 BoogieDeclarations]: Found specification of procedure __unregister_chrdev [2022-10-15 21:30:22,722 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-10-15 21:30:22,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_167 [2022-10-15 21:30:22,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_167 [2022-10-15 21:30:22,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_read_lock [2022-10-15 21:30:22,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_read_lock [2022-10-15 21:30:22,722 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-10-15 21:30:22,726 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_drivers_base_class [2022-10-15 21:30:22,726 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_drivers_base_class [2022-10-15 21:30:22,726 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_module [2022-10-15 21:30:22,726 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_module [2022-10-15 21:30:22,726 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-10-15 21:30:22,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-10-15 21:30:22,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-10-15 21:30:22,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-10-15 21:30:22,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_154 [2022-10-15 21:30:22,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_154 [2022-10-15 21:30:22,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-10-15 21:30:22,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-10-15 21:30:22,727 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pernet_device [2022-10-15 21:30:22,727 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_disconnect_channel [2022-10-15 21:30:22,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_disconnect_channel [2022-10-15 21:30:22,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_ppp_mutex [2022-10-15 21:30:22,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_ppp_mutex [2022-10-15 21:30:22,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-10-15 21:30:22,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-10-15 21:30:22,730 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-10-15 21:30:22,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_133 [2022-10-15 21:30:22,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_133 [2022-10-15 21:30:22,731 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_exit_net [2022-10-15 21:30:22,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_exit_net [2022-10-15 21:30:22,731 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_uncompress [2022-10-15 21:30:22,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_134 [2022-10-15 21:30:22,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_134 [2022-10-15 21:30:22,731 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unregister_channel [2022-10-15 21:30:22,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unregister_channel [2022-10-15 21:30:22,731 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2022-10-15 21:30:22,732 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2022-10-15 21:30:22,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-10-15 21:30:22,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-10-15 21:30:22,732 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-15 21:30:22,732 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_net_rtnetlink [2022-10-15 21:30:22,732 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_net_rtnetlink [2022-10-15 21:30:22,732 INFO L130 BoogieDeclarations]: Found specification of procedure unit_put [2022-10-15 21:30:22,732 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_put [2022-10-15 21:30:22,732 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_receive_nonmp_frame [2022-10-15 21:30:22,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_receive_nonmp_frame [2022-10-15 21:30:22,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-10-15 21:30:22,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-10-15 21:30:22,733 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-10-15 21:30:22,733 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-10-15 21:30:22,733 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-10-15 21:30:22,733 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_block_request [2022-10-15 21:30:22,733 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_block_request [2022-10-15 21:30:22,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-10-15 21:30:22,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-10-15 21:30:22,733 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-10-15 21:30:22,734 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-10-15 21:30:22,734 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-10-15 21:30:22,734 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-10-15 21:30:22,734 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_lib_idr [2022-10-15 21:30:22,734 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_lib_idr [2022-10-15 21:30:22,734 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-10-15 21:30:22,734 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2022-10-15 21:30:22,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2022-10-15 21:30:22,734 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_usb_urb [2022-10-15 21:30:22,734 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_usb_urb [2022-10-15 21:30:22,735 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-10-15 21:30:22,735 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-10-15 21:30:22,735 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2022-10-15 21:30:22,735 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2022-10-15 21:30:22,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-10-15 21:30:22,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-10-15 21:30:22,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-10-15 21:30:22,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-10-15 21:30:22,735 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_toss [2022-10-15 21:30:22,735 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_register_net_channel [2022-10-15 21:30:22,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_register_net_channel [2022-10-15 21:30:22,736 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_mp_explode [2022-10-15 21:30:22,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_mp_explode [2022-10-15 21:30:22,736 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-15 21:30:22,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-15 21:30:22,736 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_poll [2022-10-15 21:30:22,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_poll [2022-10-15 21:30:22,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:30:22,736 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-10-15 21:30:22,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-10-15 21:30:22,737 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-10-15 21:30:23,648 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:30:23,659 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:30:31,608 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:30:31,648 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:30:31,648 INFO L300 CfgBuilder]: Removed 7 assume(true) statements. [2022-10-15 21:30:31,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:30:31 BoogieIcfgContainer [2022-10-15 21:30:31,655 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:30:31,658 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:30:31,658 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:30:31,662 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:30:31,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:30:13" (1/3) ... [2022-10-15 21:30:31,664 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35f06f70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:30:31, skipping insertion in model container [2022-10-15 21:30:31,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:30:21" (2/3) ... [2022-10-15 21:30:31,665 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35f06f70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:30:31, skipping insertion in model container [2022-10-15 21:30:31,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:30:31" (3/3) ... [2022-10-15 21:30:31,667 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c [2022-10-15 21:30:31,694 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:30:31,694 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 160 error locations. [2022-10-15 21:30:31,825 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:30:31,834 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6767f61d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:30:31,835 INFO L358 AbstractCegarLoop]: Starting to check reachability of 160 error locations. [2022-10-15 21:30:31,851 INFO L276 IsEmpty]: Start isEmpty. Operand has 2735 states, 1828 states have (on average 1.3955142231947484) internal successors, (2551), 2086 states have internal predecessors, (2551), 579 states have call successors, (579), 169 states have call predecessors, (579), 169 states have return successors, (579), 562 states have call predecessors, (579), 579 states have call successors, (579) [2022-10-15 21:30:31,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-10-15 21:30:31,873 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:30:31,875 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:30:31,875 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting net_genericErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [atomic_dec_and_testErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, atomic_dec_and_testErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_send_frameErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 157 more)] === [2022-10-15 21:30:31,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:30:31,882 INFO L85 PathProgramCache]: Analyzing trace with hash -1700596569, now seen corresponding path program 1 times [2022-10-15 21:30:31,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:30:31,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014119443] [2022-10-15 21:30:31,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:30:31,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:30:32,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:30:32,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:30:32,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:30:32,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-15 21:30:32,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:30:32,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 21:30:32,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:30:32,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-15 21:30:32,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:30:32,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:30:32,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:30:32,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-15 21:30:32,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:30:32,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-10-15 21:30:32,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:30:32,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-15 21:30:32,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:30:32,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-15 21:30:32,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:30:32,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:30:32,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:30:32,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:30:32,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:30:32,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:30:32,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:30:32,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-15 21:30:32,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:30:32,913 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-10-15 21:30:32,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:30:32,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014119443] [2022-10-15 21:30:32,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014119443] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:30:32,916 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:30:32,916 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:30:32,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557297379] [2022-10-15 21:30:32,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:30:32,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:30:32,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:30:32,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:30:32,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:30:32,974 INFO L87 Difference]: Start difference. First operand has 2735 states, 1828 states have (on average 1.3955142231947484) internal successors, (2551), 2086 states have internal predecessors, (2551), 579 states have call successors, (579), 169 states have call predecessors, (579), 169 states have return successors, (579), 562 states have call predecessors, (579), 579 states have call successors, (579) Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) [2022-10-15 21:30:39,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-10-15 21:30:43,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:30:43,905 INFO L93 Difference]: Finished difference Result 6084 states and 8764 transitions. [2022-10-15 21:30:43,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-15 21:30:43,910 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) Word has length 85 [2022-10-15 21:30:43,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:30:43,993 INFO L225 Difference]: With dead ends: 6084 [2022-10-15 21:30:43,993 INFO L226 Difference]: Without dead ends: 3096 [2022-10-15 21:30:44,028 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-15 21:30:44,036 INFO L413 NwaCegarLoop]: 3258 mSDtfsCounter, 6927 mSDsluCounter, 699 mSDsCounter, 0 mSdLazyCounter, 2761 mSolverCounterSat, 3286 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6973 SdHoareTripleChecker+Valid, 3957 SdHoareTripleChecker+Invalid, 6048 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3286 IncrementalHoareTripleChecker+Valid, 2761 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:30:44,038 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6973 Valid, 3957 Invalid, 6048 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3286 Valid, 2761 Invalid, 1 Unknown, 0 Unchecked, 10.0s Time] [2022-10-15 21:30:44,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3096 states. [2022-10-15 21:30:44,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3096 to 2396. [2022-10-15 21:30:44,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2396 states, 1650 states have (on average 1.3666666666666667) internal successors, (2255), 1847 states have internal predecessors, (2255), 478 states have call successors, (478), 124 states have call predecessors, (478), 124 states have return successors, (478), 462 states have call predecessors, (478), 478 states have call successors, (478) [2022-10-15 21:30:44,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2396 states to 2396 states and 3211 transitions. [2022-10-15 21:30:44,479 INFO L78 Accepts]: Start accepts. Automaton has 2396 states and 3211 transitions. Word has length 85 [2022-10-15 21:30:44,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:30:44,480 INFO L495 AbstractCegarLoop]: Abstraction has 2396 states and 3211 transitions. [2022-10-15 21:30:44,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) [2022-10-15 21:30:44,481 INFO L276 IsEmpty]: Start isEmpty. Operand 2396 states and 3211 transitions. [2022-10-15 21:30:44,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-10-15 21:30:44,495 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:30:44,495 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:30:44,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 21:30:44,498 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting net_genericErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [atomic_dec_and_testErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, atomic_dec_and_testErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_send_frameErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 157 more)] === [2022-10-15 21:30:44,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:30:44,499 INFO L85 PathProgramCache]: Analyzing trace with hash 2042638573, now seen corresponding path program 1 times [2022-10-15 21:30:44,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:30:44,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982153576] [2022-10-15 21:30:44,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:30:44,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:30:44,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:30:45,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:30:45,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:30:45,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-15 21:30:45,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:30:45,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 21:30:45,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:30:45,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-15 21:30:45,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:30:45,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:30:45,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:30:45,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-15 21:30:45,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:30:45,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-10-15 21:30:45,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:30:45,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-15 21:30:45,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:30:45,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-15 21:30:45,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:30:45,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:30:45,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:30:45,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:30:45,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:30:45,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:30:45,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:30:45,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-15 21:30:45,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:30:45,351 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-10-15 21:30:45,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:30:45,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982153576] [2022-10-15 21:30:45,353 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982153576] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:30:45,353 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:30:45,353 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:30:45,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488669808] [2022-10-15 21:30:45,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:30:45,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 21:30:45,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:30:45,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 21:30:45,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:30:45,359 INFO L87 Difference]: Start difference. First operand 2396 states and 3211 transitions. Second operand has 6 states, 5 states have (on average 8.2) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-10-15 21:30:57,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers []