java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 02:56:35,806 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 02:56:35,809 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 02:56:35,828 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 02:56:35,829 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 02:56:35,831 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 02:56:35,833 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 02:56:35,846 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 02:56:35,849 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 02:56:35,850 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 02:56:35,852 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 02:56:35,853 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 02:56:35,854 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 02:56:35,857 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 02:56:35,860 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 02:56:35,862 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 02:56:35,864 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 02:56:35,867 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 02:56:35,868 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 02:56:35,874 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 02:56:35,879 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 02:56:35,882 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 02:56:35,886 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 02:56:35,886 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 02:56:35,890 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 02:56:35,890 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 02:56:35,890 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 02:56:35,892 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 02:56:35,894 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 02:56:35,895 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 02:56:35,895 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 02:56:35,896 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 02:56:35,897 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 02:56:35,897 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 02:56:35,899 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 02:56:35,899 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 02:56:35,900 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 02:56:35,900 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 02:56:35,900 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 02:56:35,901 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 02:56:35,902 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 02:56:35,903 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 02:56:35,923 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 02:56:35,924 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 02:56:35,925 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 02:56:35,926 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 02:56:35,926 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 02:56:35,926 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 02:56:35,926 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 02:56:35,927 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 02:56:35,927 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 02:56:35,927 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 02:56:35,928 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 02:56:35,928 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 02:56:35,928 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 02:56:35,929 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 02:56:35,929 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 02:56:35,929 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 02:56:35,929 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 02:56:35,930 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 02:56:35,930 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 02:56:35,930 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 02:56:35,930 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 02:56:35,931 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 02:56:35,931 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 02:56:35,931 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 02:56:35,931 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 02:56:35,931 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 02:56:35,932 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 02:56:35,932 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 02:56:35,932 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 02:56:36,216 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 02:56:36,230 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 02:56:36,233 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 02:56:36,235 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 02:56:36,235 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 02:56:36,236 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point.cil.out.i [2019-10-15 02:56:36,300 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b14b7b18/780f409147154455b730ab9c8b5b7165/FLAG14c945fe9 [2019-10-15 02:56:37,204 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 02:56:37,207 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point.cil.out.i [2019-10-15 02:56:37,245 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b14b7b18/780f409147154455b730ab9c8b5b7165/FLAG14c945fe9 [2019-10-15 02:56:37,653 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b14b7b18/780f409147154455b730ab9c8b5b7165 [2019-10-15 02:56:37,662 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 02:56:37,663 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 02:56:37,664 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 02:56:37,664 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 02:56:37,668 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 02:56:37,669 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:56:37" (1/1) ... [2019-10-15 02:56:37,672 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d0b3c54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:56:37, skipping insertion in model container [2019-10-15 02:56:37,672 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:56:37" (1/1) ... [2019-10-15 02:56:37,679 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 02:56:37,803 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 02:56:39,625 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 02:56:39,651 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 02:56:39,955 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 02:56:40,372 INFO L192 MainTranslator]: Completed translation [2019-10-15 02:56:40,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:56:40 WrapperNode [2019-10-15 02:56:40,374 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 02:56:40,375 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 02:56:40,375 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 02:56:40,375 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 02:56:40,398 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:56:40" (1/1) ... [2019-10-15 02:56:40,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:56:40" (1/1) ... [2019-10-15 02:56:40,479 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:56:40" (1/1) ... [2019-10-15 02:56:40,480 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:56:40" (1/1) ... [2019-10-15 02:56:40,572 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:56:40" (1/1) ... [2019-10-15 02:56:40,589 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:56:40" (1/1) ... [2019-10-15 02:56:40,606 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:56:40" (1/1) ... [2019-10-15 02:56:40,628 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 02:56:40,629 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 02:56:40,629 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 02:56:40,629 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 02:56:40,630 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:56:40" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 02:56:40,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 02:56:40,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 02:56:40,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-10-15 02:56:40,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2019-10-15 02:56:40,706 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-15 02:56:40,708 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-15 02:56:40,709 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-10-15 02:56:40,709 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-10-15 02:56:40,710 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-15 02:56:40,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-15 02:56:40,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-15 02:56:40,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-15 02:56:40,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-15 02:56:40,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-15 02:56:40,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-15 02:56:40,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-15 02:56:40,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2019-10-15 02:56:40,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-15 02:56:40,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-15 02:56:40,715 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-10-15 02:56:40,715 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-15 02:56:40,716 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-15 02:56:40,716 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2019-10-15 02:56:40,716 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-15 02:56:40,716 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2019-10-15 02:56:40,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-15 02:56:40,716 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-15 02:56:40,716 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-15 02:56:40,717 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-15 02:56:40,717 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2019-10-15 02:56:40,717 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2019-10-15 02:56:40,717 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-10-15 02:56:40,717 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-10-15 02:56:40,717 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdevice [2019-10-15 02:56:40,718 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-10-15 02:56:40,718 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2019-10-15 02:56:40,718 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-10-15 02:56:40,718 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-10-15 02:56:40,718 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-10-15 02:56:40,718 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-10-15 02:56:40,719 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2019-10-15 02:56:40,719 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2019-10-15 02:56:40,719 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2019-10-15 02:56:40,719 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_alloc_bufs [2019-10-15 02:56:40,719 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_free_bufs [2019-10-15 02:56:40,719 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_realloc_bufs [2019-10-15 02:56:40,719 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_lock [2019-10-15 02:56:40,720 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_unlock [2019-10-15 02:56:40,720 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_bump [2019-10-15 02:56:40,720 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_encaps [2019-10-15 02:56:40,720 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_write_wakeup [2019-10-15 02:56:40,720 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_tx_timeout [2019-10-15 02:56:40,720 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_xmit [2019-10-15 02:56:40,721 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_close [2019-10-15 02:56:40,721 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_open [2019-10-15 02:56:40,721 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_change_mtu [2019-10-15 02:56:40,721 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_get_stats64 [2019-10-15 02:56:40,721 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_init [2019-10-15 02:56:40,721 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_uninit [2019-10-15 02:56:40,722 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_free_netdev [2019-10-15 02:56:40,722 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_setup [2019-10-15 02:56:40,722 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_receive_buf [2019-10-15 02:56:40,722 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_sync [2019-10-15 02:56:40,722 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_alloc [2019-10-15 02:56:40,723 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_open [2019-10-15 02:56:40,723 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_close [2019-10-15 02:56:40,723 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_hangup [2019-10-15 02:56:40,723 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_esc [2019-10-15 02:56:40,723 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_unesc [2019-10-15 02:56:40,723 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_esc6 [2019-10-15 02:56:40,723 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_unesc6 [2019-10-15 02:56:40,724 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_ioctl [2019-10-15 02:56:40,724 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_compat_ioctl [2019-10-15 02:56:40,724 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_ioctl [2019-10-15 02:56:40,725 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_init [2019-10-15 02:56:40,725 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_exit [2019-10-15 02:56:40,725 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_outfill [2019-10-15 02:56:40,726 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_keepalive [2019-10-15 02:56:40,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_target_type_3 [2019-10-15 02:56:40,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_4 [2019-10-15 02:56:40,727 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2019-10-15 02:56:40,727 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_1 [2019-10-15 02:56:40,727 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2019-10-15 02:56:40,727 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_2 [2019-10-15 02:56:40,727 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2019-10-15 02:56:40,727 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2019-10-15 02:56:40,727 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2019-10-15 02:56:40,728 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2019-10-15 02:56:40,728 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 02:56:40,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_1 [2019-10-15 02:56:40,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_2 [2019-10-15 02:56:40,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_sl_alloc_bufs_3 [2019-10-15 02:56:40,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdevice_4 [2019-10-15 02:56:40,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_5 [2019-10-15 02:56:40,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_6 [2019-10-15 02:56:40,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_7 [2019-10-15 02:56:40,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_8 [2019-10-15 02:56:40,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_9 [2019-10-15 02:56:40,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_10 [2019-10-15 02:56:40,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_11 [2019-10-15 02:56:40,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_12 [2019-10-15 02:56:40,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_13 [2019-10-15 02:56:40,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_14 [2019-10-15 02:56:40,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_15 [2019-10-15 02:56:40,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_16 [2019-10-15 02:56:40,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_17 [2019-10-15 02:56:40,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_slip_open_18 [2019-10-15 02:56:40,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_callback_ret_val [2019-10-15 02:56:40,731 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2019-10-15 02:56:40,731 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-15 02:56:40,731 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-15 02:56:40,732 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-15 02:56:40,732 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_bh [2019-10-15 02:56:40,732 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-15 02:56:40,732 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_bh [2019-10-15 02:56:40,732 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2019-10-15 02:56:40,733 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2019-10-15 02:56:40,733 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2019-10-15 02:56:40,733 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2019-10-15 02:56:40,733 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2019-10-15 02:56:40,733 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-10-15 02:56:40,734 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2019-10-15 02:56:40,734 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2019-10-15 02:56:40,734 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2019-10-15 02:56:40,735 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-10-15 02:56:40,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-15 02:56:40,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-15 02:56:40,735 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-10-15 02:56:40,735 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2019-10-15 02:56:40,735 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2019-10-15 02:56:40,736 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2019-10-15 02:56:40,736 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2019-10-15 02:56:40,736 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-15 02:56:40,737 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdevice [2019-10-15 02:56:40,740 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2019-10-15 02:56:40,740 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2019-10-15 02:56:40,740 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-15 02:56:40,740 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_compress [2019-10-15 02:56:40,741 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2019-10-15 02:56:40,741 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_init [2019-10-15 02:56:40,741 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_remember [2019-10-15 02:56:40,741 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_uncompress [2019-10-15 02:56:40,741 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_chars_in_buffer [2019-10-15 02:56:40,742 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_devnum [2019-10-15 02:56:40,749 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hangup [2019-10-15 02:56:40,749 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_mode_ioctl [2019-10-15 02:56:40,749 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_register_ldisc [2019-10-15 02:56:40,749 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_ldisc [2019-10-15 02:56:40,749 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-10-15 02:56:40,749 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdevice_queue [2019-10-15 02:56:40,749 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-15 02:56:40,750 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-15 02:56:40,750 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-15 02:56:40,750 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-15 02:56:40,750 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-15 02:56:40,751 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 02:56:40,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-15 02:56:40,751 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-15 02:56:40,751 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-15 02:56:40,751 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-10-15 02:56:40,751 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-10-15 02:56:40,751 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-15 02:56:40,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 02:56:40,752 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-15 02:56:40,752 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-15 02:56:40,752 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-10-15 02:56:40,752 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-15 02:56:40,752 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 02:56:40,752 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-15 02:56:40,752 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 02:56:40,752 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-15 02:56:40,753 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-15 02:56:40,753 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-15 02:56:40,753 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 02:56:40,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-15 02:56:40,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 02:56:40,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-15 02:56:40,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-15 02:56:40,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-15 02:56:40,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-15 02:56:40,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-15 02:56:40,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-15 02:56:40,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-15 02:56:40,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2019-10-15 02:56:40,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-15 02:56:40,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_callback_ret_val [2019-10-15 02:56:40,754 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-15 02:56:40,755 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-10-15 02:56:40,755 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2019-10-15 02:56:40,755 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-10-15 02:56:40,755 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-15 02:56:40,755 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-15 02:56:40,756 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_bh [2019-10-15 02:56:40,756 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-15 02:56:40,756 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_bh [2019-10-15 02:56:40,756 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-15 02:56:40,756 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-15 02:56:40,756 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2019-10-15 02:56:40,756 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-15 02:56:40,756 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2019-10-15 02:56:40,757 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2019-10-15 02:56:40,757 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2019-10-15 02:56:40,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_2 [2019-10-15 02:56:40,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_8 [2019-10-15 02:56:40,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_10 [2019-10-15 02:56:40,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_12 [2019-10-15 02:56:40,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_14 [2019-10-15 02:56:40,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_16 [2019-10-15 02:56:40,758 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2019-10-15 02:56:40,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_7 [2019-10-15 02:56:40,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_9 [2019-10-15 02:56:40,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_11 [2019-10-15 02:56:40,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_13 [2019-10-15 02:56:40,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_15 [2019-10-15 02:56:40,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_17 [2019-10-15 02:56:40,758 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2019-10-15 02:56:40,758 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-10-15 02:56:40,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_1 [2019-10-15 02:56:40,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_5 [2019-10-15 02:56:40,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_6 [2019-10-15 02:56:40,759 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-15 02:56:40,759 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-15 02:56:40,759 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-15 02:56:40,759 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-15 02:56:40,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_target_type_3 [2019-10-15 02:56:40,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_4 [2019-10-15 02:56:40,760 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2019-10-15 02:56:40,760 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_1 [2019-10-15 02:56:40,760 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2019-10-15 02:56:40,760 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_2 [2019-10-15 02:56:40,760 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2019-10-15 02:56:40,760 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2019-10-15 02:56:40,760 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2019-10-15 02:56:40,760 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2019-10-15 02:56:40,761 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-15 02:56:40,761 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-15 02:56:40,761 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2019-10-15 02:56:40,761 INFO L130 BoogieDeclarations]: Found specification of procedure tty_chars_in_buffer [2019-10-15 02:56:40,761 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hangup [2019-10-15 02:56:40,761 INFO L130 BoogieDeclarations]: Found specification of procedure tty_mode_ioctl [2019-10-15 02:56:40,761 INFO L130 BoogieDeclarations]: Found specification of procedure tty_devnum [2019-10-15 02:56:40,761 INFO L130 BoogieDeclarations]: Found specification of procedure tty_register_ldisc [2019-10-15 02:56:40,762 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_ldisc [2019-10-15 02:56:40,762 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2019-10-15 02:56:40,762 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-15 02:56:40,762 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2019-10-15 02:56:40,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 02:56:40,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 02:56:40,762 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2019-10-15 02:56:40,762 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2019-10-15 02:56:40,763 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-10-15 02:56:40,763 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-10-15 02:56:40,763 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2019-10-15 02:56:40,763 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdevice [2019-10-15 02:56:40,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdevice_4 [2019-10-15 02:56:40,763 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdevice_queue [2019-10-15 02:56:40,763 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdevice [2019-10-15 02:56:40,763 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-10-15 02:56:40,764 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2019-10-15 02:56:40,764 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2019-10-15 02:56:40,765 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-10-15 02:56:40,765 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2019-10-15 02:56:40,765 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-10-15 02:56:40,766 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-10-15 02:56:40,766 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-10-15 02:56:40,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 02:56:40,766 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-10-15 02:56:40,766 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2019-10-15 02:56:40,766 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2019-10-15 02:56:40,766 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2019-10-15 02:56:40,766 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2019-10-15 02:56:40,767 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2019-10-15 02:56:40,767 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2019-10-15 02:56:40,767 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-10-15 02:56:40,767 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2019-10-15 02:56:40,767 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2019-10-15 02:56:40,767 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_init [2019-10-15 02:56:40,767 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2019-10-15 02:56:40,768 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_compress [2019-10-15 02:56:40,768 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_uncompress [2019-10-15 02:56:40,768 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_remember [2019-10-15 02:56:40,768 INFO L130 BoogieDeclarations]: Found specification of procedure slip_esc [2019-10-15 02:56:40,768 INFO L130 BoogieDeclarations]: Found specification of procedure slip_unesc [2019-10-15 02:56:40,768 INFO L130 BoogieDeclarations]: Found specification of procedure slip_esc6 [2019-10-15 02:56:40,768 INFO L130 BoogieDeclarations]: Found specification of procedure slip_unesc6 [2019-10-15 02:56:40,769 INFO L130 BoogieDeclarations]: Found specification of procedure sl_keepalive [2019-10-15 02:56:40,769 INFO L130 BoogieDeclarations]: Found specification of procedure sl_outfill [2019-10-15 02:56:40,769 INFO L130 BoogieDeclarations]: Found specification of procedure sl_ioctl [2019-10-15 02:56:40,769 INFO L130 BoogieDeclarations]: Found specification of procedure sl_alloc_bufs [2019-10-15 02:56:40,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_sl_alloc_bufs_3 [2019-10-15 02:56:40,769 INFO L130 BoogieDeclarations]: Found specification of procedure sl_free_bufs [2019-10-15 02:56:40,769 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-15 02:56:40,769 INFO L130 BoogieDeclarations]: Found specification of procedure sl_realloc_bufs [2019-10-15 02:56:40,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-15 02:56:40,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 02:56:40,770 INFO L130 BoogieDeclarations]: Found specification of procedure sl_lock [2019-10-15 02:56:40,770 INFO L130 BoogieDeclarations]: Found specification of procedure sl_unlock [2019-10-15 02:56:40,770 INFO L130 BoogieDeclarations]: Found specification of procedure sl_bump [2019-10-15 02:56:40,770 INFO L130 BoogieDeclarations]: Found specification of procedure sl_encaps [2019-10-15 02:56:40,770 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-10-15 02:56:40,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 02:56:40,771 INFO L130 BoogieDeclarations]: Found specification of procedure slip_write_wakeup [2019-10-15 02:56:40,771 INFO L130 BoogieDeclarations]: Found specification of procedure sl_tx_timeout [2019-10-15 02:56:40,771 INFO L130 BoogieDeclarations]: Found specification of procedure sl_xmit [2019-10-15 02:56:40,771 INFO L130 BoogieDeclarations]: Found specification of procedure sl_close [2019-10-15 02:56:40,771 INFO L130 BoogieDeclarations]: Found specification of procedure sl_open [2019-10-15 02:56:40,771 INFO L130 BoogieDeclarations]: Found specification of procedure sl_change_mtu [2019-10-15 02:56:40,771 INFO L130 BoogieDeclarations]: Found specification of procedure sl_get_stats64 [2019-10-15 02:56:40,771 INFO L130 BoogieDeclarations]: Found specification of procedure sl_init [2019-10-15 02:56:40,772 INFO L130 BoogieDeclarations]: Found specification of procedure sl_uninit [2019-10-15 02:56:40,772 INFO L130 BoogieDeclarations]: Found specification of procedure sl_free_netdev [2019-10-15 02:56:40,772 INFO L130 BoogieDeclarations]: Found specification of procedure sl_setup [2019-10-15 02:56:40,772 INFO L130 BoogieDeclarations]: Found specification of procedure slip_receive_buf [2019-10-15 02:56:40,772 INFO L130 BoogieDeclarations]: Found specification of procedure sl_sync [2019-10-15 02:56:40,772 INFO L130 BoogieDeclarations]: Found specification of procedure sl_alloc [2019-10-15 02:56:40,772 INFO L130 BoogieDeclarations]: Found specification of procedure slip_open [2019-10-15 02:56:40,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_slip_open_18 [2019-10-15 02:56:40,773 INFO L130 BoogieDeclarations]: Found specification of procedure slip_close [2019-10-15 02:56:40,773 INFO L130 BoogieDeclarations]: Found specification of procedure slip_hangup [2019-10-15 02:56:40,773 INFO L130 BoogieDeclarations]: Found specification of procedure slip_ioctl [2019-10-15 02:56:40,773 INFO L130 BoogieDeclarations]: Found specification of procedure slip_compat_ioctl [2019-10-15 02:56:40,773 INFO L130 BoogieDeclarations]: Found specification of procedure slip_init [2019-10-15 02:56:40,773 INFO L130 BoogieDeclarations]: Found specification of procedure slip_exit [2019-10-15 02:56:40,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-15 02:56:40,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-15 02:56:40,774 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2019-10-15 02:56:40,774 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 02:56:40,774 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-15 02:56:40,774 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 02:56:40,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 02:56:40,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-15 02:56:40,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 02:56:40,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 02:56:40,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-15 02:56:40,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-15 02:56:40,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-15 02:56:40,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-15 02:56:41,807 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-15 02:56:50,474 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 02:56:50,474 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-15 02:56:50,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:56:50 BoogieIcfgContainer [2019-10-15 02:56:50,476 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 02:56:50,477 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 02:56:50,477 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 02:56:50,481 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 02:56:50,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 02:56:37" (1/3) ... [2019-10-15 02:56:50,482 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7458fd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:56:50, skipping insertion in model container [2019-10-15 02:56:50,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:56:40" (2/3) ... [2019-10-15 02:56:50,482 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7458fd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:56:50, skipping insertion in model container [2019-10-15 02:56:50,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:56:50" (3/3) ... [2019-10-15 02:56:50,484 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point.cil.out.i [2019-10-15 02:56:50,493 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 02:56:50,503 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 02:56:50,514 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 02:56:50,547 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 02:56:50,547 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 02:56:50,548 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 02:56:50,548 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 02:56:50,548 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 02:56:50,548 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 02:56:50,548 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 02:56:50,548 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 02:56:50,601 INFO L276 IsEmpty]: Start isEmpty. Operand 1135 states. [2019-10-15 02:56:50,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-10-15 02:56:50,624 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:56:50,625 INFO L380 BasicCegarLoop]: trace histogram [7, 7, 7, 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] [2019-10-15 02:56:50,628 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:56:50,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:56:50,633 INFO L82 PathProgramCache]: Analyzing trace with hash -230181454, now seen corresponding path program 1 times [2019-10-15 02:56:50,641 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:56:50,641 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689798610] [2019-10-15 02:56:50,641 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:56:50,641 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:56:50,641 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:56:50,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:56:51,171 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2019-10-15 02:56:51,172 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689798610] [2019-10-15 02:56:51,172 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:56:51,173 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:56:51,173 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673729978] [2019-10-15 02:56:51,178 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:56:51,178 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:56:51,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:56:51,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:56:51,195 INFO L87 Difference]: Start difference. First operand 1135 states. Second operand 3 states. [2019-10-15 02:56:51,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:56:51,599 INFO L93 Difference]: Finished difference Result 2842 states and 3775 transitions. [2019-10-15 02:56:51,599 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:56:51,601 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 80 [2019-10-15 02:56:51,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:56:51,639 INFO L225 Difference]: With dead ends: 2842 [2019-10-15 02:56:51,640 INFO L226 Difference]: Without dead ends: 1642 [2019-10-15 02:56:51,651 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:56:51,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1642 states. [2019-10-15 02:56:51,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1642 to 1642. [2019-10-15 02:56:51,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1642 states. [2019-10-15 02:56:51,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1642 states to 1642 states and 2163 transitions. [2019-10-15 02:56:51,871 INFO L78 Accepts]: Start accepts. Automaton has 1642 states and 2163 transitions. Word has length 80 [2019-10-15 02:56:51,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:56:51,872 INFO L462 AbstractCegarLoop]: Abstraction has 1642 states and 2163 transitions. [2019-10-15 02:56:51,872 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:56:51,872 INFO L276 IsEmpty]: Start isEmpty. Operand 1642 states and 2163 transitions. [2019-10-15 02:56:51,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-10-15 02:56:51,890 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:56:51,890 INFO L380 BasicCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 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, 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] [2019-10-15 02:56:51,891 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:56:51,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:56:51,891 INFO L82 PathProgramCache]: Analyzing trace with hash -1995831814, now seen corresponding path program 1 times [2019-10-15 02:56:51,891 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:56:51,892 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470459731] [2019-10-15 02:56:51,892 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:56:51,892 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:56:51,892 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:56:52,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:56:52,312 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2019-10-15 02:56:52,312 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470459731] [2019-10-15 02:56:52,313 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:56:52,313 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-15 02:56:52,313 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155995584] [2019-10-15 02:56:52,317 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-15 02:56:52,317 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:56:52,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-15 02:56:52,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-10-15 02:56:52,318 INFO L87 Difference]: Start difference. First operand 1642 states and 2163 transitions. Second operand 10 states. [2019-10-15 02:56:52,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:56:52,503 INFO L93 Difference]: Finished difference Result 3263 states and 4298 transitions. [2019-10-15 02:56:52,504 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 02:56:52,504 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 131 [2019-10-15 02:56:52,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:56:52,515 INFO L225 Difference]: With dead ends: 3263 [2019-10-15 02:56:52,516 INFO L226 Difference]: Without dead ends: 1644 [2019-10-15 02:56:52,522 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-10-15 02:56:52,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1644 states. [2019-10-15 02:56:52,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1644 to 1642. [2019-10-15 02:56:52,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1642 states. [2019-10-15 02:56:52,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1642 states to 1642 states and 2161 transitions. [2019-10-15 02:56:52,674 INFO L78 Accepts]: Start accepts. Automaton has 1642 states and 2161 transitions. Word has length 131 [2019-10-15 02:56:52,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:56:52,675 INFO L462 AbstractCegarLoop]: Abstraction has 1642 states and 2161 transitions. [2019-10-15 02:56:52,675 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-15 02:56:52,675 INFO L276 IsEmpty]: Start isEmpty. Operand 1642 states and 2161 transitions. [2019-10-15 02:56:52,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2019-10-15 02:56:52,683 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:56:52,683 INFO L380 BasicCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 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, 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] [2019-10-15 02:56:52,683 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:56:52,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:56:52,684 INFO L82 PathProgramCache]: Analyzing trace with hash -917716319, now seen corresponding path program 1 times [2019-10-15 02:56:52,684 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:56:52,684 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221046690] [2019-10-15 02:56:52,684 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:56:52,684 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:56:52,685 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:56:52,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:56:52,896 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2019-10-15 02:56:52,897 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221046690] [2019-10-15 02:56:52,897 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:56:52,897 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 02:56:52,898 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106087201] [2019-10-15 02:56:52,899 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 02:56:52,899 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:56:52,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 02:56:52,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-15 02:56:52,900 INFO L87 Difference]: Start difference. First operand 1642 states and 2161 transitions. Second operand 7 states. [2019-10-15 02:56:53,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:56:53,023 INFO L93 Difference]: Finished difference Result 1655 states and 2174 transitions. [2019-10-15 02:56:53,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 02:56:53,024 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 137 [2019-10-15 02:56:53,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:56:53,035 INFO L225 Difference]: With dead ends: 1655 [2019-10-15 02:56:53,036 INFO L226 Difference]: Without dead ends: 1652 [2019-10-15 02:56:53,040 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-10-15 02:56:53,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1652 states. [2019-10-15 02:56:53,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1652 to 1650. [2019-10-15 02:56:53,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1650 states. [2019-10-15 02:56:53,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1650 states to 1650 states and 2169 transitions. [2019-10-15 02:56:53,111 INFO L78 Accepts]: Start accepts. Automaton has 1650 states and 2169 transitions. Word has length 137 [2019-10-15 02:56:53,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:56:53,113 INFO L462 AbstractCegarLoop]: Abstraction has 1650 states and 2169 transitions. [2019-10-15 02:56:53,113 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 02:56:53,113 INFO L276 IsEmpty]: Start isEmpty. Operand 1650 states and 2169 transitions. [2019-10-15 02:56:53,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-10-15 02:56:53,121 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:56:53,121 INFO L380 BasicCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 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, 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] [2019-10-15 02:56:53,121 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:56:53,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:56:53,122 INFO L82 PathProgramCache]: Analyzing trace with hash 2125193579, now seen corresponding path program 1 times [2019-10-15 02:56:53,122 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:56:53,122 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280385894] [2019-10-15 02:56:53,123 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:56:53,123 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:56:53,123 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:56:53,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:56:53,378 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2019-10-15 02:56:53,378 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280385894] [2019-10-15 02:56:53,379 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:56:53,379 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-15 02:56:53,380 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310541560] [2019-10-15 02:56:53,381 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 02:56:53,382 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:56:53,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 02:56:53,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 02:56:53,383 INFO L87 Difference]: Start difference. First operand 1650 states and 2169 transitions. Second operand 8 states. [2019-10-15 02:56:53,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:56:53,521 INFO L93 Difference]: Finished difference Result 1683 states and 2208 transitions. [2019-10-15 02:56:53,521 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-15 02:56:53,521 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 152 [2019-10-15 02:56:53,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:56:53,531 INFO L225 Difference]: With dead ends: 1683 [2019-10-15 02:56:53,531 INFO L226 Difference]: Without dead ends: 1680 [2019-10-15 02:56:53,533 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-10-15 02:56:53,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1680 states. [2019-10-15 02:56:53,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1680 to 1652. [2019-10-15 02:56:53,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1652 states. [2019-10-15 02:56:53,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1652 states to 1652 states and 2172 transitions. [2019-10-15 02:56:53,595 INFO L78 Accepts]: Start accepts. Automaton has 1652 states and 2172 transitions. Word has length 152 [2019-10-15 02:56:53,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:56:53,596 INFO L462 AbstractCegarLoop]: Abstraction has 1652 states and 2172 transitions. [2019-10-15 02:56:53,596 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 02:56:53,596 INFO L276 IsEmpty]: Start isEmpty. Operand 1652 states and 2172 transitions. [2019-10-15 02:56:53,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2019-10-15 02:56:53,606 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:56:53,606 INFO L380 BasicCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 02:56:53,606 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:56:53,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:56:53,607 INFO L82 PathProgramCache]: Analyzing trace with hash 987322669, now seen corresponding path program 1 times [2019-10-15 02:56:53,607 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:56:53,607 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240192337] [2019-10-15 02:56:53,607 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:56:53,608 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:56:53,608 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:56:53,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:56:53,905 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2019-10-15 02:56:53,906 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240192337] [2019-10-15 02:56:53,906 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:56:53,906 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 02:56:53,906 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638560103] [2019-10-15 02:56:53,907 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 02:56:53,909 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:56:53,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 02:56:53,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 02:56:53,910 INFO L87 Difference]: Start difference. First operand 1652 states and 2172 transitions. Second operand 4 states. [2019-10-15 02:56:56,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:56:56,413 INFO L93 Difference]: Finished difference Result 3819 states and 5021 transitions. [2019-10-15 02:56:56,414 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 02:56:56,414 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 180 [2019-10-15 02:56:56,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:56:56,426 INFO L225 Difference]: With dead ends: 3819 [2019-10-15 02:56:56,426 INFO L226 Difference]: Without dead ends: 2198 [2019-10-15 02:56:56,431 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 02:56:56,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2198 states. [2019-10-15 02:56:56,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2198 to 2197. [2019-10-15 02:56:56,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2197 states. [2019-10-15 02:56:56,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2197 states to 2197 states and 2881 transitions. [2019-10-15 02:56:56,534 INFO L78 Accepts]: Start accepts. Automaton has 2197 states and 2881 transitions. Word has length 180 [2019-10-15 02:56:56,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:56:56,535 INFO L462 AbstractCegarLoop]: Abstraction has 2197 states and 2881 transitions. [2019-10-15 02:56:56,535 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 02:56:56,535 INFO L276 IsEmpty]: Start isEmpty. Operand 2197 states and 2881 transitions. [2019-10-15 02:56:56,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2019-10-15 02:56:56,547 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:56:56,547 INFO L380 BasicCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 02:56:56,547 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:56:56,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:56:56,548 INFO L82 PathProgramCache]: Analyzing trace with hash 655762632, now seen corresponding path program 1 times [2019-10-15 02:56:56,548 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:56:56,548 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957023457] [2019-10-15 02:56:56,548 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:56:56,548 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:56:56,549 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:56:56,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:56:56,790 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2019-10-15 02:56:56,790 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957023457] [2019-10-15 02:56:56,791 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:56:56,791 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 02:56:56,791 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321801535] [2019-10-15 02:56:56,792 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 02:56:56,792 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:56:56,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 02:56:56,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 02:56:56,793 INFO L87 Difference]: Start difference. First operand 2197 states and 2881 transitions. Second operand 5 states. [2019-10-15 02:56:56,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:56:56,951 INFO L93 Difference]: Finished difference Result 3826 states and 5026 transitions. [2019-10-15 02:56:56,952 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-15 02:56:56,952 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 182 [2019-10-15 02:56:56,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:56:56,966 INFO L225 Difference]: With dead ends: 3826 [2019-10-15 02:56:56,966 INFO L226 Difference]: Without dead ends: 2205 [2019-10-15 02:56:56,975 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 02:56:56,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2205 states. [2019-10-15 02:56:57,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2205 to 2201. [2019-10-15 02:56:57,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2201 states. [2019-10-15 02:56:57,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2201 states to 2201 states and 2885 transitions. [2019-10-15 02:56:57,091 INFO L78 Accepts]: Start accepts. Automaton has 2201 states and 2885 transitions. Word has length 182 [2019-10-15 02:56:57,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:56:57,092 INFO L462 AbstractCegarLoop]: Abstraction has 2201 states and 2885 transitions. [2019-10-15 02:56:57,092 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 02:56:57,092 INFO L276 IsEmpty]: Start isEmpty. Operand 2201 states and 2885 transitions. [2019-10-15 02:56:57,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2019-10-15 02:56:57,106 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:56:57,106 INFO L380 BasicCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 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, 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, 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] [2019-10-15 02:56:57,106 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:56:57,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:56:57,107 INFO L82 PathProgramCache]: Analyzing trace with hash -255058416, now seen corresponding path program 1 times [2019-10-15 02:56:57,107 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:56:57,107 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142352459] [2019-10-15 02:56:57,107 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:56:57,107 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:56:57,108 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:56:57,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:56:57,295 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2019-10-15 02:56:57,295 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142352459] [2019-10-15 02:56:57,295 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:56:57,296 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:56:57,296 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622055707] [2019-10-15 02:56:57,297 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:56:57,297 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:56:57,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:56:57,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:56:57,298 INFO L87 Difference]: Start difference. First operand 2201 states and 2885 transitions. Second operand 3 states. [2019-10-15 02:56:57,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:56:57,499 INFO L93 Difference]: Finished difference Result 3829 states and 5031 transitions. [2019-10-15 02:56:57,500 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:56:57,500 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 204 [2019-10-15 02:56:57,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:56:57,514 INFO L225 Difference]: With dead ends: 3829 [2019-10-15 02:56:57,514 INFO L226 Difference]: Without dead ends: 2204 [2019-10-15 02:56:57,521 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:56:57,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2204 states. [2019-10-15 02:56:57,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2204 to 2202. [2019-10-15 02:56:57,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2202 states. [2019-10-15 02:56:57,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2202 states to 2202 states and 2886 transitions. [2019-10-15 02:56:57,641 INFO L78 Accepts]: Start accepts. Automaton has 2202 states and 2886 transitions. Word has length 204 [2019-10-15 02:56:57,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:56:57,643 INFO L462 AbstractCegarLoop]: Abstraction has 2202 states and 2886 transitions. [2019-10-15 02:56:57,643 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:56:57,643 INFO L276 IsEmpty]: Start isEmpty. Operand 2202 states and 2886 transitions. [2019-10-15 02:56:57,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2019-10-15 02:56:57,656 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:56:57,657 INFO L380 BasicCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 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, 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, 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] [2019-10-15 02:56:57,657 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:56:57,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:56:57,658 INFO L82 PathProgramCache]: Analyzing trace with hash -1845654823, now seen corresponding path program 1 times [2019-10-15 02:56:57,658 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:56:57,658 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688818006] [2019-10-15 02:56:57,659 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:56:57,659 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:56:57,659 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:56:57,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:56:57,887 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2019-10-15 02:56:57,888 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688818006] [2019-10-15 02:56:57,888 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:56:57,888 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:56:57,888 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443965746] [2019-10-15 02:56:57,889 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:56:57,889 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:56:57,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:56:57,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:56:57,890 INFO L87 Difference]: Start difference. First operand 2202 states and 2886 transitions. Second operand 3 states. [2019-10-15 02:56:58,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:56:58,007 INFO L93 Difference]: Finished difference Result 3819 states and 5018 transitions. [2019-10-15 02:56:58,008 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:56:58,008 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 205 [2019-10-15 02:56:58,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:56:58,022 INFO L225 Difference]: With dead ends: 3819 [2019-10-15 02:56:58,022 INFO L226 Difference]: Without dead ends: 2193 [2019-10-15 02:56:58,029 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:56:58,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2193 states. [2019-10-15 02:56:58,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2193 to 2189. [2019-10-15 02:56:58,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2189 states. [2019-10-15 02:56:58,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2189 states to 2189 states and 2868 transitions. [2019-10-15 02:56:58,138 INFO L78 Accepts]: Start accepts. Automaton has 2189 states and 2868 transitions. Word has length 205 [2019-10-15 02:56:58,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:56:58,141 INFO L462 AbstractCegarLoop]: Abstraction has 2189 states and 2868 transitions. [2019-10-15 02:56:58,141 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:56:58,141 INFO L276 IsEmpty]: Start isEmpty. Operand 2189 states and 2868 transitions. [2019-10-15 02:56:58,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2019-10-15 02:56:58,154 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:56:58,154 INFO L380 BasicCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 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, 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, 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] [2019-10-15 02:56:58,154 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:56:58,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:56:58,155 INFO L82 PathProgramCache]: Analyzing trace with hash -1446380526, now seen corresponding path program 1 times [2019-10-15 02:56:58,155 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:56:58,155 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584671985] [2019-10-15 02:56:58,155 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:56:58,156 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:56:58,156 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:56:58,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:56:58,569 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2019-10-15 02:56:58,570 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584671985] [2019-10-15 02:56:58,570 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:56:58,570 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 02:56:58,571 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323357944] [2019-10-15 02:56:58,571 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 02:56:58,572 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:56:58,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 02:56:58,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-15 02:56:58,572 INFO L87 Difference]: Start difference. First operand 2189 states and 2868 transitions. Second operand 7 states. [2019-10-15 02:57:03,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:57:03,984 INFO L93 Difference]: Finished difference Result 3813 states and 5009 transitions. [2019-10-15 02:57:03,984 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 02:57:03,984 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 214 [2019-10-15 02:57:03,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:57:03,999 INFO L225 Difference]: With dead ends: 3813 [2019-10-15 02:57:03,999 INFO L226 Difference]: Without dead ends: 2200 [2019-10-15 02:57:04,006 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-10-15 02:57:04,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2200 states. [2019-10-15 02:57:04,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2200 to 2190. [2019-10-15 02:57:04,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2190 states. [2019-10-15 02:57:04,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2190 states to 2190 states and 2869 transitions. [2019-10-15 02:57:04,125 INFO L78 Accepts]: Start accepts. Automaton has 2190 states and 2869 transitions. Word has length 214 [2019-10-15 02:57:04,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:57:04,125 INFO L462 AbstractCegarLoop]: Abstraction has 2190 states and 2869 transitions. [2019-10-15 02:57:04,126 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 02:57:04,126 INFO L276 IsEmpty]: Start isEmpty. Operand 2190 states and 2869 transitions. [2019-10-15 02:57:04,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2019-10-15 02:57:04,143 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:57:04,143 INFO L380 BasicCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 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, 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, 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] [2019-10-15 02:57:04,144 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:57:04,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:57:04,144 INFO L82 PathProgramCache]: Analyzing trace with hash 840187624, now seen corresponding path program 1 times [2019-10-15 02:57:04,144 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:57:04,145 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163364692] [2019-10-15 02:57:04,145 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:57:04,145 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:57:04,145 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:57:04,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-15 02:57:05,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-15 02:57:05,859 INFO L168 tionRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-10-15 02:57:05,859 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-15 02:57:06,138 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch531 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-10-15 02:57:06,141 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch547 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-10-15 02:57:06,141 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch531 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-10-15 02:57:06,144 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch547 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-10-15 02:57:06,144 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch531 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-10-15 02:57:06,167 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch547 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-10-15 02:57:06,167 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch531 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-10-15 02:57:06,170 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch547 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-10-15 02:57:06,170 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch531 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-10-15 02:57:06,173 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch547 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-10-15 02:57:06,173 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch531 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-10-15 02:57:06,181 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch547 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-10-15 02:57:06,181 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch531 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-10-15 02:57:06,183 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch547 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-10-15 02:57:06,184 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch531 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-10-15 02:57:06,192 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch547 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-10-15 02:57:06,193 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch531 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-10-15 02:57:06,199 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch547 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-10-15 02:57:06,199 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch531 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-10-15 02:57:06,202 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch547 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-10-15 02:57:06,202 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch531 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-10-15 02:57:06,202 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch550 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-10-15 02:57:06,205 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch547 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-10-15 02:57:06,205 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch531 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-10-15 02:57:06,205 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch550 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-10-15 02:57:06,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 02:57:06 BoogieIcfgContainer [2019-10-15 02:57:06,347 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 02:57:06,350 INFO L168 Benchmark]: Toolchain (without parser) took 28685.77 ms. Allocated memory was 139.5 MB in the beginning and 647.0 MB in the end (delta: 507.5 MB). Free memory was 93.8 MB in the beginning and 175.5 MB in the end (delta: -81.6 MB). Peak memory consumption was 425.9 MB. Max. memory is 7.1 GB. [2019-10-15 02:57:06,355 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 122.7 MB in the beginning and 122.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-15 02:57:06,356 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2710.41 ms. Allocated memory was 139.5 MB in the beginning and 249.6 MB in the end (delta: 110.1 MB). Free memory was 93.4 MB in the beginning and 162.9 MB in the end (delta: -69.5 MB). Peak memory consumption was 120.8 MB. Max. memory is 7.1 GB. [2019-10-15 02:57:06,357 INFO L168 Benchmark]: Boogie Preprocessor took 253.86 ms. Allocated memory is still 249.6 MB. Free memory was 162.9 MB in the beginning and 144.2 MB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. [2019-10-15 02:57:06,358 INFO L168 Benchmark]: RCFGBuilder took 9847.44 ms. Allocated memory was 249.6 MB in the beginning and 381.7 MB in the end (delta: 132.1 MB). Free memory was 144.2 MB in the beginning and 273.7 MB in the end (delta: -129.5 MB). Peak memory consumption was 228.3 MB. Max. memory is 7.1 GB. [2019-10-15 02:57:06,361 INFO L168 Benchmark]: TraceAbstraction took 15869.60 ms. Allocated memory was 381.7 MB in the beginning and 647.0 MB in the end (delta: 265.3 MB). Free memory was 273.7 MB in the beginning and 175.5 MB in the end (delta: 98.2 MB). Peak memory consumption was 363.5 MB. Max. memory is 7.1 GB. [2019-10-15 02:57:06,373 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 122.7 MB in the beginning and 122.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2710.41 ms. Allocated memory was 139.5 MB in the beginning and 249.6 MB in the end (delta: 110.1 MB). Free memory was 93.4 MB in the beginning and 162.9 MB in the end (delta: -69.5 MB). Peak memory consumption was 120.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 253.86 ms. Allocated memory is still 249.6 MB. Free memory was 162.9 MB in the beginning and 144.2 MB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 9847.44 ms. Allocated memory was 249.6 MB in the beginning and 381.7 MB in the end (delta: 132.1 MB). Free memory was 144.2 MB in the beginning and 273.7 MB in the end (delta: -129.5 MB). Peak memory consumption was 228.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 15869.60 ms. Allocated memory was 381.7 MB in the beginning and 647.0 MB in the end (delta: 265.3 MB). Free memory was 273.7 MB in the beginning and 175.5 MB in the end (delta: 98.2 MB). Peak memory consumption was 363.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch531 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch547 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch531 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch547 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch531 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch547 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch531 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch547 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch531 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch547 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch531 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch547 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch531 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch547 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch531 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch547 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch531 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch547 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch531 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch547 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch531 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch550 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch547 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch531 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch550 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 4787]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 4931, overapproximation of bitwiseAnd at line 4711. Possible FailurePath: [L4935] int LDV_IN_INTERRUPT = 1; [L4936] int ldv_timer_state_2 = 0; [L4937] int ldv_state_variable_0 ; [L4938] struct tty_struct *sl_ldisc_group1 ; [L4939] int ldv_state_variable_3 ; [L4940] struct timer_list *ldv_timer_list_2 ; [L4941] int ldv_timer_state_1 = 0; [L4942] int ldv_state_variable_2 ; [L4943] int ref_cnt ; [L4944] int ldv_state_variable_1 ; [L4945] struct timer_list *ldv_timer_list_1 ; [L4946] struct net_device *sl_netdev_ops_group1 ; [L4947] int ldv_state_variable_4 ; [L5133] static struct net_device **slip_devs ; [L5134] static int slip_maxdev = 256; [L5949-L5952] static struct net_device_ops const sl_netdev_ops = {& sl_init, & sl_uninit, & sl_open, & sl_close, & sl_xmit, 0, 0, 0, 0, 0, 0, & sl_ioctl, 0, & sl_change_mtu, 0, & sl_tx_timeout, & sl_get_stats64, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L6820-L6823] static struct tty_ldisc_ops sl_ldisc = {21507, (char *)"slip", 0, 0, & slip_open, & slip_close, 0, 0, 0, 0, & slip_ioctl, & slip_compat_ioctl, 0, 0, & slip_hangup, & slip_receive_buf, & slip_write_wakeup, 0, & __this_module, 0}; [L7002] int ldv_retval_0 ; [L7003] int ldv_retval_1 ; [L7006] int ldv_retval_3 ; [L7007] int ldv_retval_2 ; [L7122] struct sk_buff *ldvarg1 ; [L7123] void *tmp ; [L7124] struct ifreq *ldvarg4 ; [L7125] void *tmp___0 ; [L7126] int ldvarg3 ; [L7127] int tmp___1 ; [L7128] struct rtnl_link_stats64 *ldvarg0 ; [L7129] void *tmp___2 ; [L7130] int ldvarg2 ; [L7131] int tmp___3 ; [L7132] unsigned long ldvarg11 ; [L7133] unsigned long tmp___4 ; [L7134] struct file *ldvarg7 ; [L7135] void *tmp___5 ; [L7136] unsigned int ldvarg12 ; [L7137] unsigned int tmp___6 ; [L7138] unsigned long ldvarg5 ; [L7139] unsigned long tmp___7 ; [L7140] unsigned int ldvarg6 ; [L7141] unsigned int tmp___8 ; [L7142] int ldvarg8 ; [L7143] int tmp___9 ; [L7144] struct file *ldvarg13 ; [L7145] void *tmp___10 ; [L7146] unsigned char *ldvarg10 ; [L7147] void *tmp___11 ; [L7148] char *ldvarg9 ; [L7149] void *tmp___12 ; [L7150] int tmp___13 ; [L7151] int tmp___14 ; [L7152] int tmp___15 ; [L7153] int tmp___16 ; VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={0:0}, slip_maxdev=256] [L7155] CALL, EXPR ldv_zalloc(240UL) VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(size)=240, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={0:0}, slip_maxdev=256] [L4744] void *p ; [L4745] void *tmp ; [L4746] int tmp___0 ; [L4748] tmp___0 = __VERIFIER_nondet_int() [L4749] COND TRUE tmp___0 != 0 [L4750] return ((void *)0); VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(size)=240, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, \result={0:0}, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ref_cnt=0, size=240, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={0:0}, slip_maxdev=256, tmp___0=1] [L7155] RET, EXPR ldv_zalloc(240UL) VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ldv_zalloc(240UL)={0:0}, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={0:0}, slip_maxdev=256] [L7155] tmp = ldv_zalloc(240UL) [L7156] ldvarg1 = (struct sk_buff *)tmp VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ldvarg1={0:0}, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={0:0}, slip_maxdev=256, tmp={0:0}] [L7157] CALL, EXPR ldv_zalloc(40UL) VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(size)=40, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={0:0}, slip_maxdev=256] [L4744] void *p ; [L4745] void *tmp ; [L4746] int tmp___0 ; [L4748] tmp___0 = __VERIFIER_nondet_int() [L4749] COND TRUE tmp___0 != 0 [L4750] return ((void *)0); VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(size)=40, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, \result={0:0}, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ref_cnt=0, size=40, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={0:0}, slip_maxdev=256, tmp___0=1] [L7157] RET, EXPR ldv_zalloc(40UL) VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ldv_zalloc(40UL)={0:0}, ldvarg1={0:0}, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={0:0}, slip_maxdev=256, tmp={0:0}] [L7157] tmp___0 = ldv_zalloc(40UL) [L7158] ldvarg4 = (struct ifreq *)tmp___0 [L7159] tmp___1 = __VERIFIER_nondet_int() [L7160] ldvarg3 = tmp___1 VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ldvarg1={0:0}, ldvarg3=0, ldvarg4={0:0}, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={0:0}, slip_maxdev=256, tmp={0:0}, tmp___0={0:0}, tmp___1=0] [L7161] CALL, EXPR ldv_zalloc(184UL) VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(size)=184, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={0:0}, slip_maxdev=256] [L4744] void *p ; [L4745] void *tmp ; [L4746] int tmp___0 ; [L4748] tmp___0 = __VERIFIER_nondet_int() [L4749] COND TRUE tmp___0 != 0 [L4750] return ((void *)0); VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(size)=184, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, \result={0:0}, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ref_cnt=0, size=184, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={0:0}, slip_maxdev=256, tmp___0=1] [L7161] RET, EXPR ldv_zalloc(184UL) VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ldv_zalloc(184UL)={0:0}, ldvarg1={0:0}, ldvarg3=0, ldvarg4={0:0}, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={0:0}, slip_maxdev=256, tmp={0:0}, tmp___0={0:0}, tmp___1=0] [L7161] tmp___2 = ldv_zalloc(184UL) [L7162] ldvarg0 = (struct rtnl_link_stats64 *)tmp___2 [L7163] tmp___3 = __VERIFIER_nondet_int() [L7164] ldvarg2 = tmp___3 [L7165] tmp___4 = __VERIFIER_nondet_ulong() [L7166] ldvarg11 = tmp___4 VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg11=70, ldvarg2=0, ldvarg3=0, ldvarg4={0:0}, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={0:0}, slip_maxdev=256, tmp={0:0}, tmp___0={0:0}, tmp___1=0, tmp___2={0:0}, tmp___3=0, tmp___4=70] [L7167] CALL, EXPR ldv_zalloc(336UL) VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(size)=336, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={0:0}, slip_maxdev=256] [L4744] void *p ; [L4745] void *tmp ; [L4746] int tmp___0 ; [L4748] tmp___0 = __VERIFIER_nondet_int() [L4749] COND TRUE tmp___0 != 0 [L4750] return ((void *)0); VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(size)=336, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, \result={0:0}, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ref_cnt=0, size=336, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={0:0}, slip_maxdev=256, tmp___0=1] [L7167] RET, EXPR ldv_zalloc(336UL) VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ldv_zalloc(336UL)={0:0}, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg11=70, ldvarg2=0, ldvarg3=0, ldvarg4={0:0}, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={0:0}, slip_maxdev=256, tmp={0:0}, tmp___0={0:0}, tmp___1=0, tmp___2={0:0}, tmp___3=0, tmp___4=70] [L7167] tmp___5 = ldv_zalloc(336UL) [L7168] ldvarg7 = (struct file *)tmp___5 [L7169] tmp___6 = __VERIFIER_nondet_uint() [L7170] ldvarg12 = tmp___6 [L7171] tmp___7 = __VERIFIER_nondet_ulong() [L7172] ldvarg5 = tmp___7 [L7173] tmp___8 = __VERIFIER_nondet_uint() [L7174] ldvarg6 = tmp___8 [L7175] tmp___9 = __VERIFIER_nondet_int() [L7176] ldvarg8 = tmp___9 VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg11=70, ldvarg12=62, ldvarg2=0, ldvarg3=0, ldvarg4={0:0}, ldvarg5=67, ldvarg6=16, ldvarg7={0:0}, ldvarg8=0, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={0:0}, slip_maxdev=256, tmp={0:0}, tmp___0={0:0}, tmp___1=0, tmp___2={0:0}, tmp___3=0, tmp___4=70, tmp___5={0:0}, tmp___6=62, tmp___7=67, tmp___8=16, tmp___9=0] [L7177] CALL, EXPR ldv_zalloc(336UL) VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(size)=336, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={0:0}, slip_maxdev=256] [L4744] void *p ; [L4745] void *tmp ; [L4746] int tmp___0 ; [L4748] tmp___0 = __VERIFIER_nondet_int() [L4749] COND TRUE tmp___0 != 0 [L4750] return ((void *)0); VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(size)=336, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, \result={0:0}, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ref_cnt=0, size=336, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={0:0}, slip_maxdev=256, tmp___0=1] [L7177] RET, EXPR ldv_zalloc(336UL) VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ldv_zalloc(336UL)={0:0}, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg11=70, ldvarg12=62, ldvarg2=0, ldvarg3=0, ldvarg4={0:0}, ldvarg5=67, ldvarg6=16, ldvarg7={0:0}, ldvarg8=0, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={0:0}, slip_maxdev=256, tmp={0:0}, tmp___0={0:0}, tmp___1=0, tmp___2={0:0}, tmp___3=0, tmp___4=70, tmp___5={0:0}, tmp___6=62, tmp___7=67, tmp___8=16, tmp___9=0] [L7177] tmp___10 = ldv_zalloc(336UL) [L7178] ldvarg13 = (struct file *)tmp___10 VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg11=70, ldvarg12=62, ldvarg13={0:0}, ldvarg2=0, ldvarg3=0, ldvarg4={0:0}, ldvarg5=67, ldvarg6=16, ldvarg7={0:0}, ldvarg8=0, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={0:0}, slip_maxdev=256, tmp={0:0}, tmp___0={0:0}, tmp___1=0, tmp___10={0:0}, tmp___2={0:0}, tmp___3=0, tmp___4=70, tmp___5={0:0}, tmp___6=62, tmp___7=67, tmp___8=16, tmp___9=0] [L7179] CALL, EXPR ldv_zalloc(1UL) VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(size)=1, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={0:0}, slip_maxdev=256] [L4744] void *p ; [L4745] void *tmp ; [L4746] int tmp___0 ; [L4748] tmp___0 = __VERIFIER_nondet_int() [L4749] COND TRUE tmp___0 != 0 [L4750] return ((void *)0); VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(size)=1, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, \result={0:0}, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ref_cnt=0, size=1, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={0:0}, slip_maxdev=256, tmp___0=1] [L7179] RET, EXPR ldv_zalloc(1UL) VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ldv_zalloc(1UL)={0:0}, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg11=70, ldvarg12=62, ldvarg13={0:0}, ldvarg2=0, ldvarg3=0, ldvarg4={0:0}, ldvarg5=67, ldvarg6=16, ldvarg7={0:0}, ldvarg8=0, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={0:0}, slip_maxdev=256, tmp={0:0}, tmp___0={0:0}, tmp___1=0, tmp___10={0:0}, tmp___2={0:0}, tmp___3=0, tmp___4=70, tmp___5={0:0}, tmp___6=62, tmp___7=67, tmp___8=16, tmp___9=0] [L7179] tmp___11 = ldv_zalloc(1UL) [L7180] ldvarg10 = (unsigned char *)tmp___11 VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10={0:0}, ldvarg11=70, ldvarg12=62, ldvarg13={0:0}, ldvarg2=0, ldvarg3=0, ldvarg4={0:0}, ldvarg5=67, ldvarg6=16, ldvarg7={0:0}, ldvarg8=0, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={0:0}, slip_maxdev=256, tmp={0:0}, tmp___0={0:0}, tmp___1=0, tmp___10={0:0}, tmp___11={0:0}, tmp___2={0:0}, tmp___3=0, tmp___4=70, tmp___5={0:0}, tmp___6=62, tmp___7=67, tmp___8=16, tmp___9=0] [L7181] CALL, EXPR ldv_zalloc(1UL) VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(size)=1, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={0:0}, slip_maxdev=256] [L4744] void *p ; [L4745] void *tmp ; [L4746] int tmp___0 ; [L4748] tmp___0 = __VERIFIER_nondet_int() [L4749] COND TRUE tmp___0 != 0 [L4750] return ((void *)0); VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(size)=1, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, \result={0:0}, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ref_cnt=0, size=1, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={0:0}, slip_maxdev=256, tmp___0=1] [L7181] RET, EXPR ldv_zalloc(1UL) VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ldv_zalloc(1UL)={0:0}, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10={0:0}, ldvarg11=70, ldvarg12=62, ldvarg13={0:0}, ldvarg2=0, ldvarg3=0, ldvarg4={0:0}, ldvarg5=67, ldvarg6=16, ldvarg7={0:0}, ldvarg8=0, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={0:0}, slip_maxdev=256, tmp={0:0}, tmp___0={0:0}, tmp___1=0, tmp___10={0:0}, tmp___11={0:0}, tmp___2={0:0}, tmp___3=0, tmp___4=70, tmp___5={0:0}, tmp___6=62, tmp___7=67, tmp___8=16, tmp___9=0] [L7181] tmp___12 = ldv_zalloc(1UL) [L7182] ldvarg9 = (char *)tmp___12 VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10={0:0}, ldvarg11=70, ldvarg12=62, ldvarg13={0:0}, ldvarg2=0, ldvarg3=0, ldvarg4={0:0}, ldvarg5=67, ldvarg6=16, ldvarg7={0:0}, ldvarg8=0, ldvarg9={0:0}, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={0:0}, slip_maxdev=256, tmp={0:0}, tmp___0={0:0}, tmp___1=0, tmp___10={0:0}, tmp___11={0:0}, tmp___12={0:0}, tmp___2={0:0}, tmp___3=0, tmp___4=70, tmp___5={0:0}, tmp___6=62, tmp___7=67, tmp___8=16, tmp___9=0] [L7183] FCALL ldv_initialize() VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10={0:0}, ldvarg11=70, ldvarg12=62, ldvarg13={0:0}, ldvarg2=0, ldvarg3=0, ldvarg4={0:0}, ldvarg5=67, ldvarg6=16, ldvarg7={0:0}, ldvarg8=0, ldvarg9={0:0}, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={0:0}, slip_maxdev=256, tmp={0:0}, tmp___0={0:0}, tmp___1=0, tmp___10={0:0}, tmp___11={0:0}, tmp___12={0:0}, tmp___2={0:0}, tmp___3=0, tmp___4=70, tmp___5={0:0}, tmp___6=62, tmp___7=67, tmp___8=16, tmp___9=0] [L7184] ldv_state_variable_4 = 0 [L7185] ldv_state_variable_1 = 1 [L7186] ref_cnt = 0 [L7187] ldv_state_variable_0 = 1 [L7188] ldv_state_variable_3 = 0 [L7189] ldv_state_variable_2 = 1 VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10={0:0}, ldvarg11=70, ldvarg12=62, ldvarg13={0:0}, ldvarg2=0, ldvarg3=0, ldvarg4={0:0}, ldvarg5=67, ldvarg6=16, ldvarg7={0:0}, ldvarg8=0, ldvarg9={0:0}, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={0:0}, slip_maxdev=256, tmp={0:0}, tmp___0={0:0}, tmp___1=0, tmp___10={0:0}, tmp___11={0:0}, tmp___12={0:0}, tmp___2={0:0}, tmp___3=0, tmp___4=70, tmp___5={0:0}, tmp___6=62, tmp___7=67, tmp___8=16, tmp___9=0] [L7191] tmp___13 = __VERIFIER_nondet_int() [L7193] case 0: [L7310] case 1: [L7316] case 2: VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10={0:0}, ldvarg11=70, ldvarg12=62, ldvarg13={0:0}, ldvarg2=0, ldvarg3=0, ldvarg4={0:0}, ldvarg5=67, ldvarg6=16, ldvarg7={0:0}, ldvarg8=0, ldvarg9={0:0}, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={0:0}, slip_maxdev=256, tmp={0:0}, tmp___0={0:0}, tmp___1=0, tmp___10={0:0}, tmp___11={0:0}, tmp___12={0:0}, tmp___13=2, tmp___2={0:0}, tmp___3=0, tmp___4=70, tmp___5={0:0}, tmp___6=62, tmp___7=67, tmp___8=16, tmp___9=0] [L7317] COND TRUE ldv_state_variable_0 != 0 [L7318] tmp___15 = __VERIFIER_nondet_int() [L7320] case 0: [L7328] case 1: VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10={0:0}, ldvarg11=70, ldvarg12=62, ldvarg13={0:0}, ldvarg2=0, ldvarg3=0, ldvarg4={0:0}, ldvarg5=67, ldvarg6=16, ldvarg7={0:0}, ldvarg8=0, ldvarg9={0:0}, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={0:0}, slip_maxdev=256, tmp={0:0}, tmp___0={0:0}, tmp___1=0, tmp___10={0:0}, tmp___11={0:0}, tmp___12={0:0}, tmp___13=2, tmp___15=1, tmp___2={0:0}, tmp___3=0, tmp___4=70, tmp___5={0:0}, tmp___6=62, tmp___7=67, tmp___8=16, tmp___9=0] [L7329] COND TRUE ldv_state_variable_0 == 1 VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10={0:0}, ldvarg11=70, ldvarg12=62, ldvarg13={0:0}, ldvarg2=0, ldvarg3=0, ldvarg4={0:0}, ldvarg5=67, ldvarg6=16, ldvarg7={0:0}, ldvarg8=0, ldvarg9={0:0}, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={0:0}, slip_maxdev=256, tmp={0:0}, tmp___0={0:0}, tmp___1=0, tmp___10={0:0}, tmp___11={0:0}, tmp___12={0:0}, tmp___13=2, tmp___15=1, tmp___2={0:0}, tmp___3=0, tmp___4=70, tmp___5={0:0}, tmp___6=62, tmp___7=67, tmp___8=16, tmp___9=0] [L7330] CALL, EXPR slip_init() VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={0:0}, slip_maxdev=256] [L6826] int status ; [L6827] void *tmp ; [L6829] COND FALSE !(slip_maxdev <= 3) [L6837] CALL, EXPR kzalloc((unsigned long )slip_maxdev * 8UL, 208U) VAL [\old(flags)=208, \old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(size)=2048, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={0:0}, slip_maxdev=256] [L4929] void *tmp ; VAL [\old(flags)=208, \old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(size)=2048, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, flags=208, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ref_cnt=0, size=2048, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={0:0}, slip_maxdev=256] [L4931] CALL, EXPR kmalloc(size, flags | 32768U) VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(size)=2048, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={0:0}, slip_maxdev=256] [L4921] void *tmp___2 ; VAL [\old(flags)=51, \old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(size)=2048, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, flags=51, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ref_cnt=0, size=2048, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={0:0}, slip_maxdev=256] [L4923] CALL, EXPR __kmalloc(size, flags) VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(size)=2048, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, \old(t)=51, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={0:0}, slip_maxdev=256] [L4917] CALL, EXPR ldv_malloc(size) VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(size)=2048, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={0:0}, slip_maxdev=256] [L4727] void *p ; [L4728] void *tmp ; [L4729] int tmp___0 ; [L4731] tmp___0 = __VERIFIER_nondet_int() [L4732] COND FALSE !(tmp___0 != 0) [L4735] tmp = malloc(size) [L4736] p = tmp [L4738] return (p); [L4917] RET, EXPR ldv_malloc(size) VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(size)=2048, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, \old(t)=51, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_malloc(size)={4294967295:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ref_cnt=0, size=2048, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={0:0}, slip_maxdev=256, t=51] [L4917] return ldv_malloc(size); [L4923] RET, EXPR __kmalloc(size, flags) VAL [\old(flags)=51, \old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(size)=2048, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __kmalloc(size, flags)={4294967295:0}, __this_module={8589934657:8589934653}, flags=51, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ref_cnt=0, size=2048, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={0:0}, slip_maxdev=256] [L4923] tmp___2 = __kmalloc(size, flags) [L4924] return (tmp___2); [L4931] RET, EXPR kmalloc(size, flags | 32768U) VAL [\old(flags)=208, \old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(size)=2048, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, flags=208, kmalloc(size, flags | 32768U)={4294967295:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ref_cnt=0, size=2048, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={0:0}, slip_maxdev=256] [L4931] tmp = kmalloc(size, flags | 32768U) [L4932] return (tmp); [L6837] RET, EXPR kzalloc((unsigned long )slip_maxdev * 8UL, 208U) VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, kzalloc((unsigned long )slip_maxdev * 8UL, 208U)={4294967295:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={0:0}, slip_maxdev=256] [L6837] tmp = kzalloc((unsigned long )slip_maxdev * 8UL, 208U) [L6838] slip_devs = (struct net_device **)tmp VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256, tmp={4294967295:0}] [L6839] COND FALSE !((unsigned long )slip_devs == (unsigned long )((struct net_device **)0)) VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256, tmp={4294967295:0}] [L6844] CALL, EXPR tty_register_ldisc(1, & sl_ldisc) VAL [\old(arg0)=1, \old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, arg1={153:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256] [L7801] return __VERIFIER_nondet_int(); [L6844] RET, EXPR tty_register_ldisc(1, & sl_ldisc) VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256, tmp={4294967295:0}, tty_register_ldisc(1, & sl_ldisc)=0] [L6844] status = tty_register_ldisc(1, & sl_ldisc) [L6845] COND FALSE !(status != 0) VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256, status=0, tmp={4294967295:0}] [L6850] return (status); VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, \result=0, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256, status=0, tmp={4294967295:0}] [L7330] RET, EXPR slip_init() VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10={0:0}, ldvarg11=70, ldvarg12=62, ldvarg13={0:0}, ldvarg2=0, ldvarg3=0, ldvarg4={0:0}, ldvarg5=67, ldvarg6=16, ldvarg7={0:0}, ldvarg8=0, ldvarg9={0:0}, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_init()=0, slip_maxdev=256, tmp={0:0}, tmp___0={0:0}, tmp___1=0, tmp___10={0:0}, tmp___11={0:0}, tmp___12={0:0}, tmp___13=2, tmp___15=1, tmp___2={0:0}, tmp___3=0, tmp___4=70, tmp___5={0:0}, tmp___6=62, tmp___7=67, tmp___8=16, tmp___9=0] [L7330] ldv_retval_2 = slip_init() [L7331] COND FALSE !(ldv_retval_2 != 0) VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10={0:0}, ldvarg11=70, ldvarg12=62, ldvarg13={0:0}, ldvarg2=0, ldvarg3=0, ldvarg4={0:0}, ldvarg5=67, ldvarg6=16, ldvarg7={0:0}, ldvarg8=0, ldvarg9={0:0}, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256, tmp={0:0}, tmp___0={0:0}, tmp___1=0, tmp___10={0:0}, tmp___11={0:0}, tmp___12={0:0}, tmp___13=2, tmp___15=1, tmp___2={0:0}, tmp___3=0, tmp___4=70, tmp___5={0:0}, tmp___6=62, tmp___7=67, tmp___8=16, tmp___9=0] [L7336] COND TRUE ldv_retval_2 == 0 [L7337] ldv_state_variable_0 = 2 [L7338] ldv_state_variable_3 = 1 VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10={0:0}, ldvarg11=70, ldvarg12=62, ldvarg13={0:0}, ldvarg2=0, ldvarg3=0, ldvarg4={0:0}, ldvarg5=67, ldvarg6=16, ldvarg7={0:0}, ldvarg8=0, ldvarg9={0:0}, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256, tmp={0:0}, tmp___0={0:0}, tmp___1=0, tmp___10={0:0}, tmp___11={0:0}, tmp___12={0:0}, tmp___13=2, tmp___15=1, tmp___2={0:0}, tmp___3=0, tmp___4=70, tmp___5={0:0}, tmp___6=62, tmp___7=67, tmp___8=16, tmp___9=0] [L7339] CALL ldv_target_type_3() VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256] [L7010] void *tmp ; VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256] [L7012] CALL, EXPR ldv_zalloc(2696UL) VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(size)=2696, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256] [L4744] void *p ; [L4745] void *tmp ; [L4746] int tmp___0 ; [L4748] tmp___0 = __VERIFIER_nondet_int() [L4749] COND TRUE tmp___0 != 0 [L4750] return ((void *)0); VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(size)=2696, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, \result={0:0}, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ref_cnt=0, size=2696, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256, tmp___0=1] [L7012] RET, EXPR ldv_zalloc(2696UL) VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ldv_zalloc(2696UL)={0:0}, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256] [L7012] tmp = ldv_zalloc(2696UL) [L7013] sl_ldisc_group1 = (struct tty_struct *)tmp [L7339] RET ldv_target_type_3() VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10={0:0}, ldvarg11=70, ldvarg12=62, ldvarg13={0:0}, ldvarg2=0, ldvarg3=0, ldvarg4={0:0}, ldvarg5=67, ldvarg6=16, ldvarg7={0:0}, ldvarg8=0, ldvarg9={0:0}, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256, tmp={0:0}, tmp___0={0:0}, tmp___1=0, tmp___10={0:0}, tmp___11={0:0}, tmp___12={0:0}, tmp___13=2, tmp___15=1, tmp___2={0:0}, tmp___3=0, tmp___4=70, tmp___5={0:0}, tmp___6=62, tmp___7=67, tmp___8=16, tmp___9=0] [L7340] ldv_state_variable_4 = 1 VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10={0:0}, ldvarg11=70, ldvarg12=62, ldvarg13={0:0}, ldvarg2=0, ldvarg3=0, ldvarg4={0:0}, ldvarg5=67, ldvarg6=16, ldvarg7={0:0}, ldvarg8=0, ldvarg9={0:0}, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256, tmp={0:0}, tmp___0={0:0}, tmp___1=0, tmp___10={0:0}, tmp___11={0:0}, tmp___12={0:0}, tmp___13=2, tmp___15=1, tmp___2={0:0}, tmp___3=0, tmp___4=70, tmp___5={0:0}, tmp___6=62, tmp___7=67, tmp___8=16, tmp___9=0] [L7341] CALL ldv_net_device_ops_4() VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256] [L7019] void *tmp ; VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256] [L7021] CALL, EXPR ldv_zalloc(2496UL) VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(size)=2496, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256] [L4744] void *p ; [L4745] void *tmp ; [L4746] int tmp___0 ; [L4748] tmp___0 = __VERIFIER_nondet_int() [L4749] COND TRUE tmp___0 != 0 [L4750] return ((void *)0); VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(size)=2496, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, \result={0:0}, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ref_cnt=0, size=2496, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256, tmp___0=1] [L7021] RET, EXPR ldv_zalloc(2496UL) VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ldv_zalloc(2496UL)={0:0}, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256] [L7021] tmp = ldv_zalloc(2496UL) [L7022] sl_netdev_ops_group1 = (struct net_device *)tmp [L7341] RET ldv_net_device_ops_4() VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10={0:0}, ldvarg11=70, ldvarg12=62, ldvarg13={0:0}, ldvarg2=0, ldvarg3=0, ldvarg4={0:0}, ldvarg5=67, ldvarg6=16, ldvarg7={0:0}, ldvarg8=0, ldvarg9={0:0}, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256, tmp={0:0}, tmp___0={0:0}, tmp___1=0, tmp___10={0:0}, tmp___11={0:0}, tmp___12={0:0}, tmp___13=2, tmp___15=1, tmp___2={0:0}, tmp___3=0, tmp___4=70, tmp___5={0:0}, tmp___6=62, tmp___7=67, tmp___8=16, tmp___9=0] [L7191] tmp___13 = __VERIFIER_nondet_int() [L7193] case 0: [L7310] case 1: [L7316] case 2: [L7354] case 3: VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10={0:0}, ldvarg11=70, ldvarg12=62, ldvarg13={0:0}, ldvarg2=0, ldvarg3=0, ldvarg4={0:0}, ldvarg5=67, ldvarg6=16, ldvarg7={0:0}, ldvarg8=0, ldvarg9={0:0}, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256, tmp={0:0}, tmp___0={0:0}, tmp___1=0, tmp___10={0:0}, tmp___11={0:0}, tmp___12={0:0}, tmp___13=3, tmp___15=1, tmp___2={0:0}, tmp___3=0, tmp___4=70, tmp___5={0:0}, tmp___6=62, tmp___7=67, tmp___8=16, tmp___9=0] [L7355] COND TRUE ldv_state_variable_3 != 0 [L7356] tmp___16 = __VERIFIER_nondet_int() [L7358] case 0: [L7370] case 1: [L7382] case 2: [L7390] case 3: [L7397] case 4: VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10={0:0}, ldvarg11=70, ldvarg12=62, ldvarg13={0:0}, ldvarg2=0, ldvarg3=0, ldvarg4={0:0}, ldvarg5=67, ldvarg6=16, ldvarg7={0:0}, ldvarg8=0, ldvarg9={0:0}, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256, tmp={0:0}, tmp___0={0:0}, tmp___1=0, tmp___10={0:0}, tmp___11={0:0}, tmp___12={0:0}, tmp___13=3, tmp___15=1, tmp___16=4, tmp___2={0:0}, tmp___3=0, tmp___4=70, tmp___5={0:0}, tmp___6=62, tmp___7=67, tmp___8=16, tmp___9=0] [L7398] COND TRUE ldv_state_variable_3 == 1 VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10={0:0}, ldvarg11=70, ldvarg12=62, ldvarg13={0:0}, ldvarg2=0, ldvarg3=0, ldvarg4={0:0}, ldvarg5=67, ldvarg6=16, ldvarg7={0:0}, ldvarg8=0, ldvarg9={0:0}, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256, tmp={0:0}, tmp___0={0:0}, tmp___1=0, tmp___10={0:0}, tmp___11={0:0}, tmp___12={0:0}, tmp___13=3, tmp___15=1, tmp___16=4, tmp___2={0:0}, tmp___3=0, tmp___4=70, tmp___5={0:0}, tmp___6=62, tmp___7=67, tmp___8=16, tmp___9=0] [L7399] CALL ldv_slip_open_18(sl_ldisc_group1) VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256, tty={0:0}] [L7644] ldv_func_ret_type___16 ldv_func_res ; [L7645] int tmp ; VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256, tty={0:0}, tty={0:0}] [L7647] CALL, EXPR slip_open(tty) VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256, tty={0:0}] [L6134] struct slip *sl ; [L6135] int err ; [L6136] int tmp ; [L6137] dev_t tmp___0 ; [L6138] struct task_struct *tmp___1 ; [L6139] int tmp___2 ; VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256, tty={0:0}, tty={0:0}] [L6141] CALL, EXPR capable(12) VAL [\old(arg0)=12, \old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256] [L7694] return __VERIFIER_nondet_int(); [L6141] RET, EXPR capable(12) VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, capable(12)=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256, tty={0:0}, tty={0:0}] [L6141] tmp = capable(12) [L6142] COND FALSE !(tmp == 0) [L6146] EXPR tty->ops [L6146] EXPR (tty->ops)->write VAL [(tty->ops)->write={-8:9}, \old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256, tmp=1, tty={0:0}, tty={0:0}, tty->ops={8589934613:0}] [L6146-L6148] COND FALSE !((unsigned long )(tty->ops)->write == (unsigned long )((int (* )(struct tty_struct * , unsigned char const * , int ))0)) [L6152] FCALL rtnl_lock() VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256, tmp=1, tty={0:0}, tty={0:0}] [L6153] CALL sl_sync() VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256] [L6024] int i ; [L6025] struct net_device *dev ; [L6026] struct slip *sl ; [L6027] void *tmp ; [L6029] i = 0 VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, i=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256] [L6050] COND TRUE i < slip_maxdev [L6032] EXPR slip_devs + (unsigned long )i [L6032] dev = *(slip_devs + (unsigned long )i) [L6033] COND TRUE (unsigned long )dev == (unsigned long )((struct net_device *)0) VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, dev={0:8589934592}, i=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256] [L6153] RET sl_sync() VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256, tmp=1, tty={0:0}, tty={0:0}] [L6154] EXPR tty->disc_data [L6154] sl = (struct slip *)tty->disc_data [L6155] err = -17 [L6156] (unsigned long )sl != (unsigned long )((struct slip *)0) && sl->magic == 21250 VAL [(unsigned long )sl != (unsigned long )((struct slip *)0) && sl->magic == 21250=0, \old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, err=-17, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ref_cnt=0, sl={4294967296:0}, sl->magic=8589934635, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256, tmp=1, tty={0:0}, tty={0:0}] [L6156] COND FALSE !((unsigned long )sl != (unsigned long )((struct slip *)0) && sl->magic == 21250) [L6160] err = -23 VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, err=-23, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ref_cnt=0, sl={4294967296:0}, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256, tmp=1, tty={0:0}, tty={0:0}] [L6161] CALL, EXPR tty_devnum(tty) VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, arg0={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256] [L7790] return __VERIFIER_nondet_uint(); [L6161] RET, EXPR tty_devnum(tty) VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, err=-23, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ref_cnt=0, sl={4294967296:0}, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256, tmp=1, tty={0:0}, tty={0:0}, tty_devnum(tty)=8589934615] [L6161] tmp___0 = tty_devnum(tty) [L6162] CALL, EXPR sl_alloc(tmp___0) VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(line)=23, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256] [L6060] int i ; [L6061] struct net_device *dev ; [L6062] struct slip *sl ; [L6063] void *tmp ; [L6064] int tmp___0 ; [L6065] char name[16U] ; [L6066] void *tmp___1 ; [L6067] struct lock_class_key __key ; [L6069] dev = (struct net_device *)0 VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(line)=23, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __key={1:0}, __this_module={8589934657:8589934653}, dev={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, line=23, name={167:0}, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256] [L6070] COND FALSE !((unsigned long )slip_devs == (unsigned long )((struct net_device **)0)) [L6074] i = 0 VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(line)=23, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __key={1:0}, __this_module={8589934657:8589934653}, dev={0:0}, i=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, line=23, name={167:0}, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256] [L6084] COND TRUE i < slip_maxdev [L6077] EXPR slip_devs + (unsigned long )i [L6077] dev = *(slip_devs + (unsigned long )i) [L6078] COND TRUE (unsigned long )dev == (unsigned long )((struct net_device *)0) VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(line)=23, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __key={1:0}, __this_module={8589934657:8589934653}, dev={0:8589934592}, i=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, line=23, name={167:0}, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256] [L6089] COND FALSE !(i >= slip_maxdev) VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(line)=23, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __key={1:0}, __this_module={8589934657:8589934653}, dev={0:8589934592}, i=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, line=23, name={167:0}, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256] [L6093] COND FALSE !((unsigned long )dev != (unsigned long )((struct net_device *)0)) VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(line)=23, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __key={1:0}, __this_module={8589934657:8589934653}, dev={0:8589934592}, i=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, line=23, name={167:0}, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256] [L6105] COND TRUE (unsigned long )dev == (unsigned long )((struct net_device *)0) [L6107] CALL, EXPR alloc_netdev_mqs(472, (char const *)(& name), & sl_setup, 1U, 1U) VAL [\old(arg0)=472, \old(arg3)=1, \old(arg4)=1, \old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, arg1={167:0}, arg2={-1:10}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256] [L7690] CALL, EXPR external_alloc() VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256] [L7818] return __VERIFIER_nondet_pointer(); [L7690] RET, EXPR external_alloc() VAL [\old(arg0)=472, \old(arg3)=1, \old(arg4)=1, \old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, arg0=472, arg1={167:0}, arg1={167:0}, arg2={-1:10}, arg2={-1:10}, arg3=1, arg4=1, external_alloc()={0:283}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256] [L7690] return (struct net_device *)external_alloc(); [L6107] RET, EXPR alloc_netdev_mqs(472, (char const *)(& name), & sl_setup, 1U, 1U) VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(line)=23, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __key={1:0}, __this_module={8589934657:8589934653}, alloc_netdev_mqs(472, (char const *)(& name), & sl_setup, 1U, 1U)={0:283}, dev={0:8589934592}, i=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, line=23, name={167:0}, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256] [L6107] dev = alloc_netdev_mqs(472, (char const *)(& name), & sl_setup, 1U, 1U) [L6108] COND FALSE !((unsigned long )dev == (unsigned long )((struct net_device *)0)) [L6112] dev->base_addr = (unsigned long )i VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(line)=23, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __key={1:0}, __this_module={8589934657:8589934653}, dev={0:283}, i=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, line=23, name={167:0}, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256] [L6115] CALL, EXPR netdev_priv((struct net_device const *)dev) VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, dev={0:283}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256] [L5002] return ((void *)dev + 2496U); [L6115] RET, EXPR netdev_priv((struct net_device const *)dev) VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(line)=23, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __key={1:0}, __this_module={8589934657:8589934653}, dev={0:283}, i=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, line=23, name={167:0}, netdev_priv((struct net_device const *)dev)={0:2779}, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256] [L6115] tmp___1 = netdev_priv((struct net_device const *)dev) [L6116] sl = (struct slip *)tmp___1 [L6117] sl->magic = 21250 [L6118] sl->dev = dev VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(line)=23, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __key={1:0}, __this_module={8589934657:8589934653}, dev={0:283}, i=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, line=23, name={167:0}, ref_cnt=0, sl={0:2779}, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256, tmp___1={0:2779}] [L6119] CALL spinlock_check(& sl->lock) VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, lock={0:2791}, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256] [L4861] return (& lock->ldv_5964.rlock); [L6119] RET spinlock_check(& sl->lock) VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(line)=23, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __key={1:0}, __this_module={8589934657:8589934653}, dev={0:283}, i=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, line=23, name={167:0}, ref_cnt=0, sl={0:2779}, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256, spinlock_check(& sl->lock)={0:2791}, tmp___1={0:2779}] [L6120] FCALL __raw_spin_lock_init(& sl->lock.ldv_5964.rlock, "&(&sl->lock)->rlock", & __key) VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(line)=23, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __key={1:0}, __this_module={8589934657:8589934653}, dev={0:283}, i=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, line=23, name={167:0}, ref_cnt=0, sl={0:2779}, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256, tmp___1={0:2779}] [L6121] sl->mode = 8U VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(line)=23, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __key={1:0}, __this_module={8589934657:8589934653}, dev={0:283}, i=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, line=23, name={167:0}, ref_cnt=0, sl={0:2779}, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256, tmp___1={0:2779}] [L6122] CALL reg_timer_1(& sl->keepalive_timer) VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_timer_list_1={0:0}, ldv_timer_list_2={0:0}, ldv_timer_state_1=0, ldv_timer_state_2=0, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256, timer={0:2979}] [L7057] ldv_timer_list_1 = timer [L7058] ldv_timer_state_1 = 1 [L7059] return (0); [L6122] RET reg_timer_1(& sl->keepalive_timer) VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(line)=23, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __key={1:0}, __this_module={8589934657:8589934653}, dev={0:283}, i=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_timer_list_1={0:2979}, ldv_timer_list_2={0:0}, ldv_timer_state_1=1, ldv_timer_state_2=0, line=23, name={167:0}, ref_cnt=0, reg_timer_1(& sl->keepalive_timer)=0, sl={0:2779}, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256, tmp___1={0:2779}] [L6123] sl->keepalive_timer.data = (unsigned long )sl [L6124] sl->keepalive_timer.function = & sl_keepalive VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(line)=23, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __key={1:0}, __this_module={8589934657:8589934653}, dev={0:283}, i=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_timer_list_1={0:2979}, ldv_timer_list_2={0:0}, ldv_timer_state_1=1, ldv_timer_state_2=0, line=23, name={167:0}, ref_cnt=0, sl={0:2779}, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256, tmp___1={0:2779}] [L6125] CALL reg_timer_1(& sl->outfill_timer) VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=2979, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=1, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_timer_list_1={0:2979}, ldv_timer_list_2={0:0}, ldv_timer_state_1=1, ldv_timer_state_2=0, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256, timer={0:2903}] [L7057] ldv_timer_list_1 = timer [L7058] ldv_timer_state_1 = 1 [L7059] return (0); [L6125] RET reg_timer_1(& sl->outfill_timer) VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(line)=23, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __key={1:0}, __this_module={8589934657:8589934653}, dev={0:283}, i=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_timer_list_1={0:2903}, ldv_timer_list_2={0:0}, ldv_timer_state_1=1, ldv_timer_state_2=0, line=23, name={167:0}, ref_cnt=0, reg_timer_1(& sl->outfill_timer)=0, sl={0:2779}, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256, tmp___1={0:2779}] [L6126] sl->outfill_timer.data = (unsigned long )sl [L6127] sl->outfill_timer.function = & sl_outfill [L6128] *(slip_devs + (unsigned long )i) = dev [L6129] return (sl); [L6129] return (sl); [L6129] return (sl); VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(line)=23, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, \result={0:2779}, __this_module={8589934657:8589934653}, dev={0:283}, i=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_timer_list_1={0:2903}, ldv_timer_list_2={0:0}, ldv_timer_state_1=1, ldv_timer_state_2=0, line=23, ref_cnt=0, sl={0:2779}, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256, tmp___1={0:2779}] [L6162] RET, EXPR sl_alloc(tmp___0) VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, err=-23, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_timer_list_1={0:2903}, ldv_timer_list_2={0:0}, ldv_timer_state_1=1, ldv_timer_state_2=0, ref_cnt=0, sl={4294967296:0}, sl_alloc(tmp___0)={0:2779}, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256, tmp=1, tmp___0=23, tty={0:0}, tty={0:0}] [L6162] sl = sl_alloc(tmp___0) [L6163] COND FALSE !((unsigned long )sl == (unsigned long )((struct slip *)0)) [L6167] sl->tty = tty [L6168] tty->disc_data = (void *)sl VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, err=-23, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_timer_list_1={0:2903}, ldv_timer_list_2={0:0}, ldv_timer_state_1=1, ldv_timer_state_2=0, ref_cnt=0, sl={0:2779}, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256, tmp=1, tmp___0=23, tty={0:0}, tty={0:0}] [L6169] CALL, EXPR tty_devnum(tty) VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, arg0={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_timer_list_1={0:2903}, ldv_timer_list_2={0:0}, ldv_timer_state_1=1, ldv_timer_state_2=0, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256] [L7790] return __VERIFIER_nondet_uint(); [L6169] RET, EXPR tty_devnum(tty) VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, err=-23, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_timer_list_1={0:2903}, ldv_timer_list_2={0:0}, ldv_timer_state_1=1, ldv_timer_state_2=0, ref_cnt=0, sl={0:2779}, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256, tmp=1, tmp___0=23, tty={0:0}, tty={0:0}, tty_devnum(tty)=8589934668] [L6169] sl->line = tty_devnum(tty) [L6170] CALL, EXPR get_current() VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_timer_list_1={0:2903}, ldv_timer_list_2={0:0}, ldv_timer_state_1=1, ldv_timer_state_2=0, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256] [L4829] struct task_struct *pfo_ret__ ; [L4832] case 1UL: [L4835] case 2UL: [L4838] case 4UL: [L4841] case 8UL: [L4848] return (pfo_ret__); [L6170] RET, EXPR get_current() VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, err=-23, get_current()={8589934607:1}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_timer_list_1={0:2903}, ldv_timer_list_2={0:0}, ldv_timer_state_1=1, ldv_timer_state_2=0, ref_cnt=0, sl={0:2779}, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256, tmp=1, tmp___0=23, tty={0:0}, tty={0:0}] [L6170] tmp___1 = get_current() [L6171] EXPR tmp___1->pid [L6171] sl->pid = tmp___1->pid [L6172] CALL, EXPR constant_test_bit(0U, (unsigned long const volatile *)(& sl->flags)) VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(nr)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, addr={0:2887}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_timer_list_1={0:2903}, ldv_timer_list_2={0:0}, ldv_timer_state_1=1, ldv_timer_state_2=0, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256] [L4711] EXPR addr + (unsigned long )(nr / 64U) [L4711] return ((int )((unsigned long )*(addr + (unsigned long )(nr / 64U)) >> ((int )nr & 63)) & 1); [L6172] RET, EXPR constant_test_bit(0U, (unsigned long const volatile *)(& sl->flags)) VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, constant_test_bit(0U, (unsigned long const volatile *)(& sl->flags))=1, err=-23, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_timer_list_1={0:2903}, ldv_timer_list_2={0:0}, ldv_timer_state_1=1, ldv_timer_state_2=0, ref_cnt=0, sl={0:2779}, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256, tmp=1, tmp___0=23, tmp___1={8589934607:1}, tty={0:0}, tty={0:0}] [L6172] tmp___2 = constant_test_bit(0U, (unsigned long const volatile *)(& sl->flags)) [L6173] COND FALSE !(tmp___2 == 0) VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, err=-23, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_timer_list_1={0:2903}, ldv_timer_list_2={0:0}, ldv_timer_state_1=1, ldv_timer_state_2=0, ref_cnt=0, sl={0:2779}, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256, tmp=1, tmp___0=23, tmp___1={8589934607:1}, tmp___2=1, tty={0:0}, tty={0:0}] [L6187] EXPR sl->keepalive VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, err=-23, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_timer_list_1={0:2903}, ldv_timer_list_2={0:0}, ldv_timer_state_1=1, ldv_timer_state_2=0, ref_cnt=0, sl={0:2779}, sl->keepalive=512, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256, tmp=1, tmp___0=23, tmp___1={8589934607:1}, tmp___2=1, tty={0:0}, tty={0:0}] [L6187] COND FALSE !((unsigned int )sl->keepalive != 0U) [L6192] EXPR sl->outfill VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, err=-23, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_timer_list_1={0:2903}, ldv_timer_list_2={0:0}, ldv_timer_state_1=1, ldv_timer_state_2=0, ref_cnt=0, sl={0:2779}, sl->outfill=768, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256, tmp=1, tmp___0=23, tmp___1={8589934607:1}, tmp___2=1, tty={0:0}, tty={0:0}] [L6192] COND FALSE !((unsigned int )sl->outfill != 0U) [L6197] FCALL rtnl_unlock() VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, err=-23, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_timer_list_1={0:2903}, ldv_timer_list_2={0:0}, ldv_timer_state_1=1, ldv_timer_state_2=0, ref_cnt=0, sl={0:2779}, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256, tmp=1, tmp___0=23, tmp___1={8589934607:1}, tmp___2=1, tty={0:0}, tty={0:0}] [L6198] tty->receive_room = 65536U [L6199] EXPR sl->dev [L6199] EXPR (sl->dev)->base_addr [L6199] return ((int )(sl->dev)->base_addr); [L7647] RET, EXPR slip_open(tty) VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_timer_list_1={0:2903}, ldv_timer_list_2={0:0}, ldv_timer_state_1=1, ldv_timer_state_2=0, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256, slip_open(tty)=65536, tty={0:0}, tty={0:0}] [L7647] tmp = slip_open(tty) [L7648] ldv_func_res = tmp VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, ldv_func_res=65536, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_timer_list_1={0:2903}, ldv_timer_list_2={0:0}, ldv_timer_state_1=1, ldv_timer_state_2=0, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256, tmp=65536, tty={0:0}, tty={0:0}] [L7649] CALL ldv_check_callback_ret_val(ldv_func_res) VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(ret_val)=65536, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_timer_list_1={0:2903}, ldv_timer_list_2={0:0}, ldv_timer_state_1=1, ldv_timer_state_2=0, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256] [L7656] COND FALSE !(ret_val <= 0) VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(ret_val)=65536, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_timer_list_1={0:2903}, ldv_timer_list_2={0:0}, ldv_timer_state_1=1, ldv_timer_state_2=0, ref_cnt=0, ret_val=65536, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256] [L7658] CALL ldv_error() VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_timer_list_1={0:2903}, ldv_timer_list_2={0:0}, ldv_timer_state_1=1, ldv_timer_state_2=0, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256] [L4787] __VERIFIER_error() VAL [\old(LDV_IN_INTERRUPT)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_state_variable_3)=0, \old(ldv_state_variable_4)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(ldv_timer_state_2)=0, \old(ref_cnt)=0, \old(sl_ldisc_group1)=0, \old(sl_ldisc_group1)=0, \old(sl_netdev_ops_group1)=0, \old(sl_netdev_ops_group1)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={8589934657:8589934653}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_timer_list_1={0:2903}, ldv_timer_list_2={0:0}, ldv_timer_state_1=1, ldv_timer_state_2=0, ref_cnt=0, sl_ldisc={153:0}, sl_ldisc_group1={0:0}, sl_netdev_ops={155:0}, sl_netdev_ops_group1={0:0}, slip_devs={4294967295:0}, slip_maxdev=256] - StatisticsResult: Ultimate Automizer benchmark data CFG has 155 procedures, 1165 locations, 1 error locations. Result: UNSAFE, OverallTime: 15.7s, OverallIterations: 10, TraceHistogramMax: 9, AutomataDifference: 9.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 13497 SDtfs, 4600 SDslu, 37456 SDs, 0 SdLazy, 3602 SolverSat, 1202 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2202occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 53 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1700 NumberOfCodeBlocks, 1700 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1476 ConstructedInterpolants, 0 QuantifiedInterpolants, 413777 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 1284/1284 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...