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-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-serial-u16550.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 22:33:47,822 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 22:33:47,825 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 22:33:47,839 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 22:33:47,840 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 22:33:47,843 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 22:33:47,845 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 22:33:47,854 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 22:33:47,859 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 22:33:47,860 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 22:33:47,863 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 22:33:47,864 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 22:33:47,866 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 22:33:47,867 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 22:33:47,871 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 22:33:47,873 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 22:33:47,873 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 22:33:47,877 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 22:33:47,879 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 22:33:47,883 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 22:33:47,885 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 22:33:47,890 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 22:33:47,893 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 22:33:47,894 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 22:33:47,897 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 22:33:47,897 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 22:33:47,897 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 22:33:47,899 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 22:33:47,900 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 22:33:47,902 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 22:33:47,902 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 22:33:47,904 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 22:33:47,906 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 22:33:47,907 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 22:33:47,911 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 22:33:47,911 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 22:33:47,912 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 22:33:47,913 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 22:33:47,913 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 22:33:47,914 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 22:33:47,915 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 22:33:47,916 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 [2019-10-14 22:33:47,936 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 22:33:47,936 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 22:33:47,938 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 22:33:47,938 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 22:33:47,938 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 22:33:47,939 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 22:33:47,939 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 22:33:47,939 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 22:33:47,939 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 22:33:47,940 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 22:33:47,940 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 22:33:47,941 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 22:33:47,941 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 22:33:47,941 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 22:33:47,942 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 22:33:47,942 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 22:33:47,942 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 22:33:47,942 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 22:33:47,942 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 22:33:47,943 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 22:33:47,943 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 22:33:47,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 22:33:47,943 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 22:33:47,943 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 22:33:47,944 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 22:33:47,944 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 22:33:47,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 22:33:47,944 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 22:33:47,944 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 22:33:48,226 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 22:33:48,240 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 22:33:48,244 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 22:33:48,245 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 22:33:48,246 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 22:33:48,247 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-serial-u16550.ko-entry_point.cil.out.i [2019-10-14 22:33:48,348 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71f841f6b/840f639fbcb74f6882ec9b310964d9e0/FLAGe96c00b08 [2019-10-14 22:33:49,134 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 22:33:49,134 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-serial-u16550.ko-entry_point.cil.out.i [2019-10-14 22:33:49,162 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71f841f6b/840f639fbcb74f6882ec9b310964d9e0/FLAGe96c00b08 [2019-10-14 22:33:49,225 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71f841f6b/840f639fbcb74f6882ec9b310964d9e0 [2019-10-14 22:33:49,235 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 22:33:49,237 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 22:33:49,238 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 22:33:49,238 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 22:33:49,241 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 22:33:49,242 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:33:49" (1/1) ... [2019-10-14 22:33:49,245 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3614d8fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:33:49, skipping insertion in model container [2019-10-14 22:33:49,246 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:33:49" (1/1) ... [2019-10-14 22:33:49,252 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 22:33:49,348 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 22:33:49,876 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2471] [2019-10-14 22:33:49,877 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2472-2473] [2019-10-14 22:33:50,658 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 22:33:50,723 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 22:33:50,785 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2471] [2019-10-14 22:33:50,785 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2472-2473] [2019-10-14 22:33:50,896 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 22:33:51,042 INFO L192 MainTranslator]: Completed translation [2019-10-14 22:33:51,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:33:51 WrapperNode [2019-10-14 22:33:51,043 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 22:33:51,044 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 22:33:51,044 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 22:33:51,044 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 22:33:51,062 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:33:51" (1/1) ... [2019-10-14 22:33:51,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:33:51" (1/1) ... [2019-10-14 22:33:51,148 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:33:51" (1/1) ... [2019-10-14 22:33:51,149 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:33:51" (1/1) ... [2019-10-14 22:33:51,312 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:33:51" (1/1) ... [2019-10-14 22:33:51,332 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:33:51" (1/1) ... [2019-10-14 22:33:51,356 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:33:51" (1/1) ... [2019-10-14 22:33:51,373 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 22:33:51,374 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 22:33:51,374 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 22:33:51,374 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 22:33:51,375 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:33:51" (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 [2019-10-14 22:33:51,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 22:33:51,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 22:33:51,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2019-10-14 22:33:51,444 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-14 22:33:51,444 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-14 22:33:51,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_1 [2019-10-14 22:33:51,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_5 [2019-10-14 22:33:51,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_8 [2019-10-14 22:33:51,445 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2019-10-14 22:33:51,445 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2019-10-14 22:33:51,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-14 22:33:51,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-14 22:33:51,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-14 22:33:51,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-14 22:33:51,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-14 22:33:51,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-14 22:33:51,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-14 22:33:51,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-14 22:33:51,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-14 22:33:51,447 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2019-10-14 22:33:51,448 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-14 22:33:51,448 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-14 22:33:51,448 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_register_resndata [2019-10-14 22:33:51,448 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_register_simple [2019-10-14 22:33:51,448 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2019-10-14 22:33:51,448 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2019-10-14 22:33:51,449 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_add_timer [2019-10-14 22:33:51,449 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_del_timer [2019-10-14 22:33:51,449 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_buffer_output [2019-10-14 22:33:51,449 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_io_loop [2019-10-14 22:33:51,449 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_interrupt [2019-10-14 22:33:51,450 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_buffer_timer [2019-10-14 22:33:51,450 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_detect [2019-10-14 22:33:51,450 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_do_open [2019-10-14 22:33:51,450 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_do_close [2019-10-14 22:33:51,450 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_input_open [2019-10-14 22:33:51,450 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_input_close [2019-10-14 22:33:51,450 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_input_trigger [2019-10-14 22:33:51,451 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_output_open [2019-10-14 22:33:51,451 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_output_close [2019-10-14 22:33:51,451 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_buffer_can_write [2019-10-14 22:33:51,451 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_write_buffer [2019-10-14 22:33:51,451 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_output_byte [2019-10-14 22:33:51,451 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_output_write [2019-10-14 22:33:51,452 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_output_trigger [2019-10-14 22:33:51,452 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_free [2019-10-14 22:33:51,452 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_dev_free [2019-10-14 22:33:51,452 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_create [2019-10-14 22:33:51,452 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_substreams [2019-10-14 22:33:51,452 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_rmidi [2019-10-14 22:33:51,452 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_serial_probe [2019-10-14 22:33:51,453 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_serial_remove [2019-10-14 22:33:51,453 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_serial_unregister_all [2019-10-14 22:33:51,453 INFO L138 BoogieDeclarations]: Found implementation of procedure alsa_card_serial_init [2019-10-14 22:33:51,453 INFO L138 BoogieDeclarations]: Found implementation of procedure alsa_card_serial_exit [2019-10-14 22:33:51,453 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_2 [2019-10-14 22:33:51,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_snd_rawmidi_ops_5 [2019-10-14 22:33:51,453 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2019-10-14 22:33:51,454 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2019-10-14 22:33:51,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_snd_rawmidi_ops_4 [2019-10-14 22:33:51,454 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2019-10-14 22:33:51,454 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2019-10-14 22:33:51,454 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2019-10-14 22:33:51,454 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2019-10-14 22:33:51,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2019-10-14 22:33:51,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_platform_driver_3 [2019-10-14 22:33:51,455 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2019-10-14 22:33:51,455 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 22:33:51,455 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-14 22:33:51,455 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-14 22:33:51,455 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-14 22:33:51,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_16 [2019-10-14 22:33:51,456 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-14 22:33:51,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_19 [2019-10-14 22:33:51,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_20 [2019-10-14 22:33:51,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_21 [2019-10-14 22:33:51,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_driver_unregister_22 [2019-10-14 22:33:51,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___platform_driver_register_23 [2019-10-14 22:33:51,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-10-14 22:33:51,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-14 22:33:51,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-10-14 22:33:51,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-10-14 22:33:51,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-10-14 22:33:51,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-10-14 22:33:51,458 INFO L138 BoogieDeclarations]: Found implementation of procedure __platform_driver_register [2019-10-14 22:33:51,458 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-14 22:33:51,458 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2019-10-14 22:33:51,458 INFO L138 BoogieDeclarations]: Found implementation of procedure __snd_printk [2019-10-14 22:33:51,458 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-14 22:33:51,458 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-14 22:33:51,459 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-14 22:33:51,459 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2019-10-14 22:33:51,459 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2019-10-14 22:33:51,459 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-10-14 22:33:51,459 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2019-10-14 22:33:51,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-14 22:33:51,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-14 22:33:51,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-10-14 22:33:51,460 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_register_full [2019-10-14 22:33:51,460 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2019-10-14 22:33:51,460 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2019-10-14 22:33:51,460 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-14 22:33:51,461 INFO L138 BoogieDeclarations]: Found implementation of procedure release_and_free_resource [2019-10-14 22:33:51,461 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-10-14 22:33:51,461 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_card_free [2019-10-14 22:33:51,461 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_card_new [2019-10-14 22:33:51,461 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_card_register [2019-10-14 22:33:51,462 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_device_new [2019-10-14 22:33:51,462 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_rawmidi_new [2019-10-14 22:33:51,462 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_rawmidi_receive [2019-10-14 22:33:51,462 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_rawmidi_set_ops [2019-10-14 22:33:51,462 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_rawmidi_transmit [2019-10-14 22:33:51,462 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_rawmidi_transmit_ack [2019-10-14 22:33:51,462 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_rawmidi_transmit_peek [2019-10-14 22:33:51,463 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-14 22:33:51,463 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-14 22:33:51,463 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-14 22:33:51,463 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-14 22:33:51,463 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2019-10-14 22:33:51,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 22:33:51,464 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 22:33:51,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-14 22:33:51,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-10-14 22:33:51,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-10-14 22:33:51,464 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-14 22:33:51,465 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-14 22:33:51,465 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-14 22:33:51,465 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2019-10-14 22:33:51,465 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-14 22:33:51,465 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-14 22:33:51,465 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-14 22:33:51,466 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-14 22:33:51,466 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-14 22:33:51,466 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-14 22:33:51,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_1 [2019-10-14 22:33:51,466 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-14 22:33:51,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_5 [2019-10-14 22:33:51,466 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-14 22:33:51,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_8 [2019-10-14 22:33:51,467 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-14 22:33:51,467 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2019-10-14 22:33:51,467 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2019-10-14 22:33:51,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_19 [2019-10-14 22:33:51,467 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2019-10-14 22:33:51,467 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2019-10-14 22:33:51,468 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2019-10-14 22:33:51,468 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-14 22:33:51,468 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2019-10-14 22:33:51,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_16 [2019-10-14 22:33:51,468 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-14 22:33:51,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-10-14 22:33:51,468 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 22:33:51,469 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-14 22:33:51,469 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 22:33:51,469 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-14 22:33:51,469 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-14 22:33:51,469 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-14 22:33:51,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-14 22:33:51,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 22:33:51,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-14 22:33:51,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-14 22:33:51,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-14 22:33:51,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-14 22:33:51,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-14 22:33:51,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-14 22:33:51,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-14 22:33:51,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-14 22:33:51,471 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_2 [2019-10-14 22:33:51,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_snd_rawmidi_ops_5 [2019-10-14 22:33:51,471 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2019-10-14 22:33:51,471 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2019-10-14 22:33:51,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_snd_rawmidi_ops_4 [2019-10-14 22:33:51,471 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2019-10-14 22:33:51,471 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2019-10-14 22:33:51,472 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2019-10-14 22:33:51,472 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2019-10-14 22:33:51,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2019-10-14 22:33:51,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_platform_driver_3 [2019-10-14 22:33:51,472 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2019-10-14 22:33:51,473 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-10-14 22:33:51,473 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2019-10-14 22:33:51,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_21 [2019-10-14 22:33:51,473 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-10-14 22:33:51,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_20 [2019-10-14 22:33:51,473 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-14 22:33:51,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 22:33:51,474 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-14 22:33:51,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 22:33:51,474 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2019-10-14 22:33:51,474 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_register_full [2019-10-14 22:33:51,474 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_register_resndata [2019-10-14 22:33:51,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 22:33:51,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 22:33:51,475 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_register_simple [2019-10-14 22:33:51,475 INFO L130 BoogieDeclarations]: Found specification of procedure __platform_driver_register [2019-10-14 22:33:51,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___platform_driver_register_23 [2019-10-14 22:33:51,475 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2019-10-14 22:33:51,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_driver_unregister_22 [2019-10-14 22:33:51,475 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2019-10-14 22:33:51,475 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2019-10-14 22:33:51,476 INFO L130 BoogieDeclarations]: Found specification of procedure snd_card_new [2019-10-14 22:33:51,476 INFO L130 BoogieDeclarations]: Found specification of procedure snd_card_free [2019-10-14 22:33:51,476 INFO L130 BoogieDeclarations]: Found specification of procedure snd_card_register [2019-10-14 22:33:51,476 INFO L130 BoogieDeclarations]: Found specification of procedure snd_device_new [2019-10-14 22:33:51,476 INFO L130 BoogieDeclarations]: Found specification of procedure release_and_free_resource [2019-10-14 22:33:51,476 INFO L130 BoogieDeclarations]: Found specification of procedure __snd_printk [2019-10-14 22:33:51,476 INFO L130 BoogieDeclarations]: Found specification of procedure snd_rawmidi_new [2019-10-14 22:33:51,477 INFO L130 BoogieDeclarations]: Found specification of procedure snd_rawmidi_set_ops [2019-10-14 22:33:51,477 INFO L130 BoogieDeclarations]: Found specification of procedure snd_rawmidi_receive [2019-10-14 22:33:51,477 INFO L130 BoogieDeclarations]: Found specification of procedure snd_rawmidi_transmit_peek [2019-10-14 22:33:51,477 INFO L130 BoogieDeclarations]: Found specification of procedure snd_rawmidi_transmit_ack [2019-10-14 22:33:51,477 INFO L130 BoogieDeclarations]: Found specification of procedure snd_rawmidi_transmit [2019-10-14 22:33:51,477 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_add_timer [2019-10-14 22:33:51,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 22:33:51,478 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_del_timer [2019-10-14 22:33:51,478 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_buffer_output [2019-10-14 22:33:51,478 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_io_loop [2019-10-14 22:33:51,478 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_interrupt [2019-10-14 22:33:51,478 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_buffer_timer [2019-10-14 22:33:51,478 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_detect [2019-10-14 22:33:51,478 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_do_open [2019-10-14 22:33:51,479 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_do_close [2019-10-14 22:33:51,479 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_input_open [2019-10-14 22:33:51,479 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_input_close [2019-10-14 22:33:51,479 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_input_trigger [2019-10-14 22:33:51,479 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_output_open [2019-10-14 22:33:51,479 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_output_close [2019-10-14 22:33:51,479 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_buffer_can_write [2019-10-14 22:33:51,480 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_write_buffer [2019-10-14 22:33:51,480 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_output_byte [2019-10-14 22:33:51,480 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_output_write [2019-10-14 22:33:51,480 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_output_trigger [2019-10-14 22:33:51,480 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_free [2019-10-14 22:33:51,480 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_dev_free [2019-10-14 22:33:51,480 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_create [2019-10-14 22:33:51,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-14 22:33:51,481 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_substreams [2019-10-14 22:33:51,481 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_rmidi [2019-10-14 22:33:51,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2019-10-14 22:33:51,481 INFO L130 BoogieDeclarations]: Found specification of procedure snd_serial_probe [2019-10-14 22:33:51,481 INFO L130 BoogieDeclarations]: Found specification of procedure snd_serial_remove [2019-10-14 22:33:51,481 INFO L130 BoogieDeclarations]: Found specification of procedure snd_serial_unregister_all [2019-10-14 22:33:51,481 INFO L130 BoogieDeclarations]: Found specification of procedure alsa_card_serial_init [2019-10-14 22:33:51,482 INFO L130 BoogieDeclarations]: Found specification of procedure alsa_card_serial_exit [2019-10-14 22:33:51,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-14 22:33:51,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-14 22:33:51,482 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2019-10-14 22:33:51,482 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 22:33:51,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-10-14 22:33:51,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-14 22:33:51,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-10-14 22:33:51,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-10-14 22:33:51,483 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-14 22:33:51,483 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 22:33:51,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 22:33:51,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-14 22:33:51,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 22:33:51,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 22:33:51,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-14 22:33:51,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-14 22:33:52,659 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-14 22:33:54,822 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 22:33:54,823 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-14 22:33:54,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:33:54 BoogieIcfgContainer [2019-10-14 22:33:54,829 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 22:33:54,831 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 22:33:54,832 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 22:33:54,835 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 22:33:54,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 10:33:49" (1/3) ... [2019-10-14 22:33:54,845 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79e0a812 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:33:54, skipping insertion in model container [2019-10-14 22:33:54,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:33:51" (2/3) ... [2019-10-14 22:33:54,845 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79e0a812 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:33:54, skipping insertion in model container [2019-10-14 22:33:54,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:33:54" (3/3) ... [2019-10-14 22:33:54,847 INFO L109 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-serial-u16550.ko-entry_point.cil.out.i [2019-10-14 22:33:54,857 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 22:33:54,870 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 22:33:54,882 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 22:33:54,921 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 22:33:54,921 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 22:33:54,921 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 22:33:54,921 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 22:33:54,921 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 22:33:54,921 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 22:33:54,922 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 22:33:54,922 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 22:33:54,963 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states. [2019-10-14 22:33:54,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-14 22:33:54,984 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 22:33:54,985 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-14 22:33:54,988 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 22:33:54,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 22:33:54,994 INFO L82 PathProgramCache]: Analyzing trace with hash -1362992204, now seen corresponding path program 1 times [2019-10-14 22:33:55,003 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 22:33:55,003 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768010330] [2019-10-14 22:33:55,003 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:33:55,004 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:33:55,004 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 22:33:55,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:33:56,914 WARN L191 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 427 [2019-10-14 22:33:56,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:33:56,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:33:56,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:33:57,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:33:57,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:33:57,052 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-14 22:33:57,052 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768010330] [2019-10-14 22:33:57,053 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 22:33:57,053 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-14 22:33:57,054 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600965533] [2019-10-14 22:33:57,058 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-14 22:33:57,058 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 22:33:57,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-14 22:33:57,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-14 22:33:57,075 INFO L87 Difference]: Start difference. First operand 921 states. Second operand 5 states. [2019-10-14 22:33:58,202 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 430 [2019-10-14 22:34:00,348 WARN L191 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 432 [2019-10-14 22:34:06,472 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 429 [2019-10-14 22:34:22,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 22:34:22,669 INFO L93 Difference]: Finished difference Result 2785 states and 3816 transitions. [2019-10-14 22:34:22,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-14 22:34:22,672 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2019-10-14 22:34:22,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 22:34:22,744 INFO L225 Difference]: With dead ends: 2785 [2019-10-14 22:34:22,745 INFO L226 Difference]: Without dead ends: 1822 [2019-10-14 22:34:22,763 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-14 22:34:22,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1822 states. [2019-10-14 22:34:23,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1822 to 1383. [2019-10-14 22:34:23,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1383 states. [2019-10-14 22:34:23,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1383 states to 1383 states and 1835 transitions. [2019-10-14 22:34:23,151 INFO L78 Accepts]: Start accepts. Automaton has 1383 states and 1835 transitions. Word has length 53 [2019-10-14 22:34:23,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 22:34:23,151 INFO L462 AbstractCegarLoop]: Abstraction has 1383 states and 1835 transitions. [2019-10-14 22:34:23,151 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-14 22:34:23,152 INFO L276 IsEmpty]: Start isEmpty. Operand 1383 states and 1835 transitions. [2019-10-14 22:34:23,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-10-14 22:34:23,165 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 22:34:23,165 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 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] [2019-10-14 22:34:23,166 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 22:34:23,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 22:34:23,176 INFO L82 PathProgramCache]: Analyzing trace with hash 1837558702, now seen corresponding path program 1 times [2019-10-14 22:34:23,177 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 22:34:23,177 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123604392] [2019-10-14 22:34:23,177 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:34:23,177 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:34:23,178 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 22:34:23,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:34:24,506 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 427 [2019-10-14 22:34:24,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:34:24,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:34:24,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:34:24,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:34:24,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:34:24,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:34:24,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:34:24,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:34:24,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:34:24,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:34:24,831 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-14 22:34:24,832 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123604392] [2019-10-14 22:34:24,832 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 22:34:24,833 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-14 22:34:24,833 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220388774] [2019-10-14 22:34:24,840 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-14 22:34:24,840 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 22:34:24,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-14 22:34:24,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2019-10-14 22:34:24,841 INFO L87 Difference]: Start difference. First operand 1383 states and 1835 transitions. Second operand 9 states. [2019-10-14 22:34:25,957 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 430