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 -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-f4eb214f-m [2019-10-13 19:09:54,726 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 19:09:54,729 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 19:09:54,741 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 19:09:54,741 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 19:09:54,743 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 19:09:54,744 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 19:09:54,746 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 19:09:54,748 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 19:09:54,749 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 19:09:54,750 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 19:09:54,751 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 19:09:54,751 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 19:09:54,752 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 19:09:54,753 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 19:09:54,754 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 19:09:54,755 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 19:09:54,756 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 19:09:54,758 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 19:09:54,761 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 19:09:54,762 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 19:09:54,764 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 19:09:54,765 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 19:09:54,766 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 19:09:54,768 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 19:09:54,769 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 19:09:54,769 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 19:09:54,770 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 19:09:54,771 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 19:09:54,772 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 19:09:54,772 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 19:09:54,773 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 19:09:54,774 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 19:09:54,775 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 19:09:54,776 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 19:09:54,776 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 19:09:54,777 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 19:09:54,777 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 19:09:54,777 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 19:09:54,778 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 19:09:54,779 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 19:09:54,780 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 [2019-10-13 19:09:54,798 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 19:09:54,798 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 19:09:54,799 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 19:09:54,800 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 19:09:54,800 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 19:09:54,800 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 19:09:54,800 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 19:09:54,801 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 19:09:54,801 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 19:09:54,801 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 19:09:54,802 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 19:09:54,802 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 19:09:54,802 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 19:09:54,803 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 19:09:54,803 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 19:09:54,803 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 19:09:54,803 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 19:09:54,803 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 19:09:54,804 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 19:09:54,804 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 19:09:54,804 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 19:09:54,804 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:09:54,804 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 19:09:54,805 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 19:09:54,805 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 19:09:54,805 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 19:09:54,805 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 19:09:54,805 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 19:09:54,806 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 19:09:55,096 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 19:09:55,109 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 19:09:55,113 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 19:09:55,115 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 19:09:55,115 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 19:09:55,116 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point.cil.out.i [2019-10-13 19:09:55,190 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73ecacd82/46f7acc4077e4aa29b1839525f9c03cb/FLAG60b89ad34 [2019-10-13 19:09:56,049 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 19:09:56,050 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point.cil.out.i [2019-10-13 19:09:56,086 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73ecacd82/46f7acc4077e4aa29b1839525f9c03cb/FLAG60b89ad34 [2019-10-13 19:09:56,545 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73ecacd82/46f7acc4077e4aa29b1839525f9c03cb [2019-10-13 19:09:56,555 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 19:09:56,560 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 19:09:56,561 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 19:09:56,562 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 19:09:56,565 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 19:09:56,567 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:09:56" (1/1) ... [2019-10-13 19:09:56,570 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f650260 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:09:56, skipping insertion in model container [2019-10-13 19:09:56,570 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:09:56" (1/1) ... [2019-10-13 19:09:56,578 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 19:09:56,734 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 19:09:58,710 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:09:58,743 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 19:09:59,114 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:09:59,530 INFO L192 MainTranslator]: Completed translation [2019-10-13 19:09:59,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:09:59 WrapperNode [2019-10-13 19:09:59,532 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 19:09:59,533 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 19:09:59,533 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 19:09:59,533 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 19:09:59,551 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:09:59" (1/1) ... [2019-10-13 19:09:59,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:09:59" (1/1) ... [2019-10-13 19:09:59,613 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:09:59" (1/1) ... [2019-10-13 19:09:59,614 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:09:59" (1/1) ... [2019-10-13 19:09:59,751 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:09:59" (1/1) ... [2019-10-13 19:09:59,768 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:09:59" (1/1) ... [2019-10-13 19:09:59,786 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:09:59" (1/1) ... [2019-10-13 19:09:59,807 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 19:09:59,808 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 19:09:59,809 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 19:09:59,809 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 19:09:59,812 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:09:59" (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 [2019-10-13 19:09:59,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 19:09:59,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 19:09:59,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-10-13 19:09:59,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2019-10-13 19:09:59,875 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-13 19:09:59,876 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-13 19:09:59,876 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-10-13 19:09:59,876 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-10-13 19:09:59,876 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-13 19:09:59,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 19:09:59,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-13 19:09:59,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-13 19:09:59,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-13 19:09:59,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-13 19:09:59,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 19:09:59,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-13 19:09:59,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2019-10-13 19:09:59,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-13 19:09:59,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-13 19:09:59,880 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-10-13 19:09:59,880 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-13 19:09:59,881 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-13 19:09:59,881 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2019-10-13 19:09:59,881 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-13 19:09:59,881 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2019-10-13 19:09:59,881 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-13 19:09:59,881 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-13 19:09:59,881 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-13 19:09:59,882 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-13 19:09:59,882 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2019-10-13 19:09:59,882 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2019-10-13 19:09:59,882 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-10-13 19:09:59,882 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-10-13 19:09:59,883 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdevice [2019-10-13 19:09:59,883 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-10-13 19:09:59,883 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2019-10-13 19:09:59,883 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-10-13 19:09:59,883 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-10-13 19:09:59,883 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-10-13 19:09:59,883 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-10-13 19:09:59,884 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2019-10-13 19:09:59,884 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2019-10-13 19:09:59,884 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2019-10-13 19:09:59,884 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_alloc_bufs [2019-10-13 19:09:59,884 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_free_bufs [2019-10-13 19:09:59,884 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_realloc_bufs [2019-10-13 19:09:59,885 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_lock [2019-10-13 19:09:59,885 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_unlock [2019-10-13 19:09:59,885 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_bump [2019-10-13 19:09:59,885 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_encaps [2019-10-13 19:09:59,885 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_write_wakeup [2019-10-13 19:09:59,885 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_tx_timeout [2019-10-13 19:09:59,886 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_xmit [2019-10-13 19:09:59,886 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_close [2019-10-13 19:09:59,886 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_open [2019-10-13 19:09:59,886 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_change_mtu [2019-10-13 19:09:59,886 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_get_stats64 [2019-10-13 19:09:59,886 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_init [2019-10-13 19:09:59,886 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_uninit [2019-10-13 19:09:59,887 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_free_netdev [2019-10-13 19:09:59,887 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_setup [2019-10-13 19:09:59,887 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_receive_buf [2019-10-13 19:09:59,887 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_sync [2019-10-13 19:09:59,888 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_alloc [2019-10-13 19:09:59,888 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_open [2019-10-13 19:09:59,888 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_close [2019-10-13 19:09:59,888 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_hangup [2019-10-13 19:09:59,888 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_esc [2019-10-13 19:09:59,888 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_unesc [2019-10-13 19:09:59,889 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_esc6 [2019-10-13 19:09:59,889 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_unesc6 [2019-10-13 19:09:59,889 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_ioctl [2019-10-13 19:09:59,889 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_compat_ioctl [2019-10-13 19:09:59,889 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_ioctl [2019-10-13 19:09:59,890 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_init [2019-10-13 19:09:59,890 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_exit [2019-10-13 19:09:59,891 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_outfill [2019-10-13 19:09:59,891 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_keepalive [2019-10-13 19:09:59,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_target_type_3 [2019-10-13 19:09:59,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_4 [2019-10-13 19:09:59,891 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2019-10-13 19:09:59,892 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_1 [2019-10-13 19:09:59,892 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2019-10-13 19:09:59,893 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_2 [2019-10-13 19:09:59,893 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2019-10-13 19:09:59,893 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2019-10-13 19:09:59,893 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2019-10-13 19:09:59,894 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2019-10-13 19:09:59,894 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 19:09:59,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_1 [2019-10-13 19:09:59,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_2 [2019-10-13 19:09:59,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_sl_alloc_bufs_3 [2019-10-13 19:09:59,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdevice_4 [2019-10-13 19:09:59,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_5 [2019-10-13 19:09:59,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_6 [2019-10-13 19:09:59,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_7 [2019-10-13 19:09:59,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_8 [2019-10-13 19:09:59,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_9 [2019-10-13 19:09:59,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_10 [2019-10-13 19:09:59,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_11 [2019-10-13 19:09:59,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_12 [2019-10-13 19:09:59,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_13 [2019-10-13 19:09:59,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_14 [2019-10-13 19:09:59,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_15 [2019-10-13 19:09:59,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_16 [2019-10-13 19:09:59,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_17 [2019-10-13 19:09:59,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_slip_open_18 [2019-10-13 19:09:59,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_callback_ret_val [2019-10-13 19:09:59,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2019-10-13 19:09:59,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-13 19:09:59,898 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-13 19:09:59,898 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-13 19:09:59,898 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_bh [2019-10-13 19:09:59,899 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-13 19:09:59,899 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_bh [2019-10-13 19:09:59,899 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2019-10-13 19:09:59,899 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2019-10-13 19:09:59,899 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2019-10-13 19:09:59,900 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2019-10-13 19:09:59,900 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2019-10-13 19:09:59,900 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-10-13 19:09:59,900 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2019-10-13 19:09:59,901 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2019-10-13 19:09:59,901 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2019-10-13 19:09:59,902 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-10-13 19:09:59,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 19:09:59,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 19:09:59,902 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-10-13 19:09:59,902 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2019-10-13 19:09:59,902 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2019-10-13 19:09:59,902 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2019-10-13 19:09:59,902 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2019-10-13 19:09:59,903 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-13 19:09:59,903 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdevice [2019-10-13 19:09:59,903 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2019-10-13 19:09:59,903 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2019-10-13 19:09:59,903 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-13 19:09:59,903 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_compress [2019-10-13 19:09:59,904 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2019-10-13 19:09:59,904 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_init [2019-10-13 19:09:59,904 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_remember [2019-10-13 19:09:59,904 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_uncompress [2019-10-13 19:09:59,904 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_chars_in_buffer [2019-10-13 19:09:59,904 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_devnum [2019-10-13 19:09:59,905 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hangup [2019-10-13 19:09:59,905 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_mode_ioctl [2019-10-13 19:09:59,905 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_register_ldisc [2019-10-13 19:09:59,905 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_ldisc [2019-10-13 19:09:59,905 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-10-13 19:09:59,905 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdevice_queue [2019-10-13 19:09:59,905 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-13 19:09:59,906 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 19:09:59,906 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 19:09:59,906 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-13 19:09:59,906 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-13 19:09:59,906 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 19:09:59,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-13 19:09:59,907 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-13 19:09:59,907 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-13 19:09:59,907 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-10-13 19:09:59,907 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-10-13 19:09:59,907 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-13 19:09:59,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 19:09:59,907 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-13 19:09:59,908 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-13 19:09:59,908 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-10-13 19:09:59,908 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-13 19:09:59,908 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 19:09:59,908 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-13 19:09:59,908 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 19:09:59,908 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-13 19:09:59,909 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-13 19:09:59,909 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 19:09:59,909 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 19:09:59,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 19:09:59,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 19:09:59,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-13 19:09:59,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-13 19:09:59,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-13 19:09:59,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-13 19:09:59,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-13 19:09:59,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 19:09:59,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-13 19:09:59,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2019-10-13 19:09:59,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-13 19:09:59,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_callback_ret_val [2019-10-13 19:09:59,911 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-13 19:09:59,911 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-10-13 19:09:59,911 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2019-10-13 19:09:59,911 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-10-13 19:09:59,911 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-13 19:09:59,911 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-13 19:09:59,911 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_bh [2019-10-13 19:09:59,912 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-13 19:09:59,912 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_bh [2019-10-13 19:09:59,912 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-13 19:09:59,912 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-13 19:09:59,912 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2019-10-13 19:09:59,912 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-13 19:09:59,912 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2019-10-13 19:09:59,912 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2019-10-13 19:09:59,913 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2019-10-13 19:09:59,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_2 [2019-10-13 19:09:59,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_8 [2019-10-13 19:09:59,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_10 [2019-10-13 19:09:59,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_12 [2019-10-13 19:09:59,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_14 [2019-10-13 19:09:59,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_16 [2019-10-13 19:09:59,914 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2019-10-13 19:09:59,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_7 [2019-10-13 19:09:59,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_9 [2019-10-13 19:09:59,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_11 [2019-10-13 19:09:59,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_13 [2019-10-13 19:09:59,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_15 [2019-10-13 19:09:59,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_17 [2019-10-13 19:09:59,915 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2019-10-13 19:09:59,915 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-10-13 19:09:59,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_1 [2019-10-13 19:09:59,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_5 [2019-10-13 19:09:59,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_6 [2019-10-13 19:09:59,915 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 19:09:59,916 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-13 19:09:59,916 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-13 19:09:59,916 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-13 19:09:59,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_target_type_3 [2019-10-13 19:09:59,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_4 [2019-10-13 19:09:59,916 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2019-10-13 19:09:59,916 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_1 [2019-10-13 19:09:59,917 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2019-10-13 19:09:59,917 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_2 [2019-10-13 19:09:59,917 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2019-10-13 19:09:59,917 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2019-10-13 19:09:59,917 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2019-10-13 19:09:59,917 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2019-10-13 19:09:59,917 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-13 19:09:59,917 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-13 19:09:59,918 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2019-10-13 19:09:59,918 INFO L130 BoogieDeclarations]: Found specification of procedure tty_chars_in_buffer [2019-10-13 19:09:59,918 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hangup [2019-10-13 19:09:59,918 INFO L130 BoogieDeclarations]: Found specification of procedure tty_mode_ioctl [2019-10-13 19:09:59,918 INFO L130 BoogieDeclarations]: Found specification of procedure tty_devnum [2019-10-13 19:09:59,918 INFO L130 BoogieDeclarations]: Found specification of procedure tty_register_ldisc [2019-10-13 19:09:59,918 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_ldisc [2019-10-13 19:09:59,919 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2019-10-13 19:09:59,919 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-13 19:09:59,919 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2019-10-13 19:09:59,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 19:09:59,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 19:09:59,919 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2019-10-13 19:09:59,919 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2019-10-13 19:09:59,920 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-10-13 19:09:59,920 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-10-13 19:09:59,920 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2019-10-13 19:09:59,920 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdevice [2019-10-13 19:09:59,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdevice_4 [2019-10-13 19:09:59,920 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdevice_queue [2019-10-13 19:09:59,920 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdevice [2019-10-13 19:09:59,920 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-10-13 19:09:59,921 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2019-10-13 19:09:59,921 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2019-10-13 19:09:59,921 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-10-13 19:09:59,921 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2019-10-13 19:09:59,921 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-10-13 19:09:59,921 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-10-13 19:09:59,921 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-10-13 19:09:59,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 19:09:59,922 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-10-13 19:09:59,922 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2019-10-13 19:09:59,922 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2019-10-13 19:09:59,922 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2019-10-13 19:09:59,922 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2019-10-13 19:09:59,922 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2019-10-13 19:09:59,923 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2019-10-13 19:09:59,923 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-10-13 19:09:59,923 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2019-10-13 19:09:59,923 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2019-10-13 19:09:59,923 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_init [2019-10-13 19:09:59,923 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2019-10-13 19:09:59,923 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_compress [2019-10-13 19:09:59,924 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_uncompress [2019-10-13 19:09:59,924 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_remember [2019-10-13 19:09:59,924 INFO L130 BoogieDeclarations]: Found specification of procedure slip_esc [2019-10-13 19:09:59,924 INFO L130 BoogieDeclarations]: Found specification of procedure slip_unesc [2019-10-13 19:09:59,924 INFO L130 BoogieDeclarations]: Found specification of procedure slip_esc6 [2019-10-13 19:09:59,924 INFO L130 BoogieDeclarations]: Found specification of procedure slip_unesc6 [2019-10-13 19:09:59,924 INFO L130 BoogieDeclarations]: Found specification of procedure sl_keepalive [2019-10-13 19:09:59,925 INFO L130 BoogieDeclarations]: Found specification of procedure sl_outfill [2019-10-13 19:09:59,925 INFO L130 BoogieDeclarations]: Found specification of procedure sl_ioctl [2019-10-13 19:09:59,925 INFO L130 BoogieDeclarations]: Found specification of procedure sl_alloc_bufs [2019-10-13 19:09:59,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_sl_alloc_bufs_3 [2019-10-13 19:09:59,925 INFO L130 BoogieDeclarations]: Found specification of procedure sl_free_bufs [2019-10-13 19:09:59,925 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-13 19:09:59,925 INFO L130 BoogieDeclarations]: Found specification of procedure sl_realloc_bufs [2019-10-13 19:09:59,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-13 19:09:59,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 19:09:59,926 INFO L130 BoogieDeclarations]: Found specification of procedure sl_lock [2019-10-13 19:09:59,926 INFO L130 BoogieDeclarations]: Found specification of procedure sl_unlock [2019-10-13 19:09:59,926 INFO L130 BoogieDeclarations]: Found specification of procedure sl_bump [2019-10-13 19:09:59,926 INFO L130 BoogieDeclarations]: Found specification of procedure sl_encaps [2019-10-13 19:09:59,926 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-10-13 19:09:59,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 19:09:59,927 INFO L130 BoogieDeclarations]: Found specification of procedure slip_write_wakeup [2019-10-13 19:09:59,927 INFO L130 BoogieDeclarations]: Found specification of procedure sl_tx_timeout [2019-10-13 19:09:59,927 INFO L130 BoogieDeclarations]: Found specification of procedure sl_xmit [2019-10-13 19:09:59,927 INFO L130 BoogieDeclarations]: Found specification of procedure sl_close [2019-10-13 19:09:59,927 INFO L130 BoogieDeclarations]: Found specification of procedure sl_open [2019-10-13 19:09:59,927 INFO L130 BoogieDeclarations]: Found specification of procedure sl_change_mtu [2019-10-13 19:09:59,928 INFO L130 BoogieDeclarations]: Found specification of procedure sl_get_stats64 [2019-10-13 19:09:59,928 INFO L130 BoogieDeclarations]: Found specification of procedure sl_init [2019-10-13 19:09:59,928 INFO L130 BoogieDeclarations]: Found specification of procedure sl_uninit [2019-10-13 19:09:59,928 INFO L130 BoogieDeclarations]: Found specification of procedure sl_free_netdev [2019-10-13 19:09:59,928 INFO L130 BoogieDeclarations]: Found specification of procedure sl_setup [2019-10-13 19:09:59,928 INFO L130 BoogieDeclarations]: Found specification of procedure slip_receive_buf [2019-10-13 19:09:59,928 INFO L130 BoogieDeclarations]: Found specification of procedure sl_sync [2019-10-13 19:09:59,929 INFO L130 BoogieDeclarations]: Found specification of procedure sl_alloc [2019-10-13 19:09:59,929 INFO L130 BoogieDeclarations]: Found specification of procedure slip_open [2019-10-13 19:09:59,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_slip_open_18 [2019-10-13 19:09:59,929 INFO L130 BoogieDeclarations]: Found specification of procedure slip_close [2019-10-13 19:09:59,929 INFO L130 BoogieDeclarations]: Found specification of procedure slip_hangup [2019-10-13 19:09:59,929 INFO L130 BoogieDeclarations]: Found specification of procedure slip_ioctl [2019-10-13 19:09:59,929 INFO L130 BoogieDeclarations]: Found specification of procedure slip_compat_ioctl [2019-10-13 19:09:59,929 INFO L130 BoogieDeclarations]: Found specification of procedure slip_init [2019-10-13 19:09:59,930 INFO L130 BoogieDeclarations]: Found specification of procedure slip_exit [2019-10-13 19:09:59,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 19:09:59,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 19:09:59,930 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2019-10-13 19:09:59,930 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 19:09:59,930 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 19:09:59,930 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 19:09:59,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 19:09:59,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 19:09:59,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 19:09:59,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 19:09:59,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-13 19:09:59,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-13 19:09:59,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-13 19:09:59,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-13 19:10:01,103 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-13 19:10:04,019 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 19:10:04,020 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-13 19:10:04,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:10:04 BoogieIcfgContainer [2019-10-13 19:10:04,023 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 19:10:04,024 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 19:10:04,024 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 19:10:04,029 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 19:10:04,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:09:56" (1/3) ... [2019-10-13 19:10:04,030 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@498e2888 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:10:04, skipping insertion in model container [2019-10-13 19:10:04,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:09:59" (2/3) ... [2019-10-13 19:10:04,031 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@498e2888 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:10:04, skipping insertion in model container [2019-10-13 19:10:04,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:10:04" (3/3) ... [2019-10-13 19:10:04,033 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point.cil.out.i [2019-10-13 19:10:04,045 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 19:10:04,056 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 19:10:04,074 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 19:10:04,115 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 19:10:04,115 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 19:10:04,115 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 19:10:04,115 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 19:10:04,116 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 19:10:04,116 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 19:10:04,116 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 19:10:04,116 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 19:10:04,168 INFO L276 IsEmpty]: Start isEmpty. Operand 1432 states. [2019-10-13 19:10:04,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-10-13 19:10:04,191 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:10:04,193 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, 1, 1] [2019-10-13 19:10:04,195 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:10:04,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:10:04,204 INFO L82 PathProgramCache]: Analyzing trace with hash -2145269375, now seen corresponding path program 1 times [2019-10-13 19:10:04,214 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:10:04,215 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944954170] [2019-10-13 19:10:04,215 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:10:04,215 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:10:04,216 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:10:04,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:10:05,218 WARN L191 SmtUtils]: Spent 456.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2019-10-13 19:10:05,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:10:05,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:10:05,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:10:05,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:10:05,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:10:05,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:10:05,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:10:05,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:10:05,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:10:05,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:10:05,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:10:05,448 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2019-10-13 19:10:05,449 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944954170] [2019-10-13 19:10:05,450 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:10:05,450 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 19:10:05,450 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615303479] [2019-10-13 19:10:05,456 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 19:10:05,456 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:10:05,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 19:10:05,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-13 19:10:05,473 INFO L87 Difference]: Start difference. First operand 1432 states. Second operand 6 states. [2019-10-13 19:10:06,028 WARN L191 SmtUtils]: Spent 518.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2019-10-13 19:10:06,652 WARN L191 SmtUtils]: Spent 469.00 ms on a formula simplification that was a NOOP. DAG size: 246 [2019-10-13 19:10:07,165 WARN L191 SmtUtils]: Spent 430.00 ms on a formula simplification that was a NOOP. DAG size: 237