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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.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 0.1.24-112bae1 [2019-09-10 11:27:28,346 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 11:27:28,350 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 11:27:28,375 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 11:27:28,376 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 11:27:28,379 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 11:27:28,383 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 11:27:28,396 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 11:27:28,402 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 11:27:28,404 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 11:27:28,409 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 11:27:28,413 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 11:27:28,414 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 11:27:28,415 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 11:27:28,420 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 11:27:28,422 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 11:27:28,424 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 11:27:28,426 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 11:27:28,428 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 11:27:28,435 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 11:27:28,441 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 11:27:28,444 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 11:27:28,448 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 11:27:28,449 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 11:27:28,452 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 11:27:28,453 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 11:27:28,453 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 11:27:28,456 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 11:27:28,458 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 11:27:28,460 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 11:27:28,460 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 11:27:28,461 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 11:27:28,462 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 11:27:28,463 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 11:27:28,465 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 11:27:28,466 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 11:27:28,467 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 11:27:28,467 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 11:27:28,467 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 11:27:28,468 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 11:27:28,471 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 11:27:28,473 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-10 11:27:28,517 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 11:27:28,517 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 11:27:28,517 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 11:27:28,518 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 11:27:28,519 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 11:27:28,519 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 11:27:28,519 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 11:27:28,519 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 11:27:28,519 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 11:27:28,520 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 11:27:28,521 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 11:27:28,521 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 11:27:28,521 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 11:27:28,521 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 11:27:28,522 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 11:27:28,522 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 11:27:28,522 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 11:27:28,522 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 11:27:28,522 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 11:27:28,523 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 11:27:28,523 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 11:27:28,523 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 11:27:28,523 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 11:27:28,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 11:27:28,524 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 11:27:28,524 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 11:27:28,524 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 11:27:28,524 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 11:27:28,525 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 11:27:28,525 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 11:27:28,580 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 11:27:28,604 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 11:27:28,610 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 11:27:28,612 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 11:27:28,613 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 11:27:28,614 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-serial-u16550.ko-entry_point.cil.out.i [2019-09-10 11:27:28,705 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62907cb4d/fe9ca5dedc344b93aa40aa038bdb99cf/FLAG42010301c [2019-09-10 11:27:29,679 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 11:27:29,682 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-serial-u16550.ko-entry_point.cil.out.i [2019-09-10 11:27:29,744 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62907cb4d/fe9ca5dedc344b93aa40aa038bdb99cf/FLAG42010301c [2019-09-10 11:27:30,148 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62907cb4d/fe9ca5dedc344b93aa40aa038bdb99cf [2019-09-10 11:27:30,160 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 11:27:30,162 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 11:27:30,163 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 11:27:30,164 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 11:27:30,168 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 11:27:30,170 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 11:27:30" (1/1) ... [2019-09-10 11:27:30,174 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@309ac01b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:27:30, skipping insertion in model container [2019-09-10 11:27:30,174 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 11:27:30" (1/1) ... [2019-09-10 11:27:30,184 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 11:27:30,310 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 11:27:31,006 WARN L1127 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2471] [2019-09-10 11:27:31,007 WARN L1127 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2472-2473] [2019-09-10 11:27:31,919 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 11:27:32,014 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 11:27:32,112 WARN L1127 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2471] [2019-09-10 11:27:32,113 WARN L1127 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2472-2473] [2019-09-10 11:27:32,231 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 11:27:32,392 INFO L192 MainTranslator]: Completed translation [2019-09-10 11:27:32,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:27:32 WrapperNode [2019-09-10 11:27:32,395 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 11:27:32,396 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 11:27:32,396 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 11:27:32,397 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 11:27:32,416 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:27:32" (1/1) ... [2019-09-10 11:27:32,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:27:32" (1/1) ... [2019-09-10 11:27:32,529 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:27:32" (1/1) ... [2019-09-10 11:27:32,530 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:27:32" (1/1) ... [2019-09-10 11:27:32,648 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:27:32" (1/1) ... [2019-09-10 11:27:32,692 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:27:32" (1/1) ... [2019-09-10 11:27:32,713 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:27:32" (1/1) ... [2019-09-10 11:27:32,762 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 11:27:32,763 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 11:27:32,764 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 11:27:32,764 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 11:27:32,770 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:27:32" (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 [2019-09-10 11:27:32,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 11:27:32,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 11:27:32,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2019-09-10 11:27:32,865 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-09-10 11:27:32,866 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-10 11:27:32,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_1 [2019-09-10 11:27:32,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_5 [2019-09-10 11:27:32,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_8 [2019-09-10 11:27:32,868 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2019-09-10 11:27:32,870 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2019-09-10 11:27:32,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-10 11:27:32,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-10 11:27:32,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-10 11:27:32,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-10 11:27:32,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-10 11:27:32,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-10 11:27:32,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-10 11:27:32,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-10 11:27:32,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-09-10 11:27:32,876 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2019-09-10 11:27:32,876 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-09-10 11:27:32,876 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-09-10 11:27:32,876 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_register_resndata [2019-09-10 11:27:32,877 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_register_simple [2019-09-10 11:27:32,877 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2019-09-10 11:27:32,877 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2019-09-10 11:27:32,877 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_add_timer [2019-09-10 11:27:32,877 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_del_timer [2019-09-10 11:27:32,877 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_buffer_output [2019-09-10 11:27:32,878 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_io_loop [2019-09-10 11:27:32,878 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_interrupt [2019-09-10 11:27:32,878 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_buffer_timer [2019-09-10 11:27:32,878 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_detect [2019-09-10 11:27:32,878 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_do_open [2019-09-10 11:27:32,879 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_do_close [2019-09-10 11:27:32,879 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_input_open [2019-09-10 11:27:32,879 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_input_close [2019-09-10 11:27:32,879 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_input_trigger [2019-09-10 11:27:32,879 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_output_open [2019-09-10 11:27:32,879 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_output_close [2019-09-10 11:27:32,880 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_buffer_can_write [2019-09-10 11:27:32,880 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_write_buffer [2019-09-10 11:27:32,880 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_output_byte [2019-09-10 11:27:32,880 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_output_write [2019-09-10 11:27:32,880 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_output_trigger [2019-09-10 11:27:32,881 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_free [2019-09-10 11:27:32,881 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_dev_free [2019-09-10 11:27:32,881 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_create [2019-09-10 11:27:32,881 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_substreams [2019-09-10 11:27:32,881 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_rmidi [2019-09-10 11:27:32,881 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_serial_probe [2019-09-10 11:27:32,882 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_serial_remove [2019-09-10 11:27:32,882 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_serial_unregister_all [2019-09-10 11:27:32,882 INFO L138 BoogieDeclarations]: Found implementation of procedure alsa_card_serial_init [2019-09-10 11:27:32,882 INFO L138 BoogieDeclarations]: Found implementation of procedure alsa_card_serial_exit [2019-09-10 11:27:32,882 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_2 [2019-09-10 11:27:32,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_snd_rawmidi_ops_5 [2019-09-10 11:27:32,883 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2019-09-10 11:27:32,883 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2019-09-10 11:27:32,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_snd_rawmidi_ops_4 [2019-09-10 11:27:32,884 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2019-09-10 11:27:32,884 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2019-09-10 11:27:32,884 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2019-09-10 11:27:32,885 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2019-09-10 11:27:32,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2019-09-10 11:27:32,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_platform_driver_3 [2019-09-10 11:27:32,885 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2019-09-10 11:27:32,886 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 11:27:32,886 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-09-10 11:27:32,886 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-09-10 11:27:32,886 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-09-10 11:27:32,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_16 [2019-09-10 11:27:32,887 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-10 11:27:32,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_19 [2019-09-10 11:27:32,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_20 [2019-09-10 11:27:32,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_21 [2019-09-10 11:27:32,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_driver_unregister_22 [2019-09-10 11:27:32,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___platform_driver_register_23 [2019-09-10 11:27:32,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-09-10 11:27:32,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-09-10 11:27:32,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-09-10 11:27:32,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-09-10 11:27:32,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-09-10 11:27:32,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-09-10 11:27:32,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __platform_driver_register [2019-09-10 11:27:32,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-09-10 11:27:32,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2019-09-10 11:27:32,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __snd_printk [2019-09-10 11:27:32,890 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-09-10 11:27:32,890 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-09-10 11:27:32,890 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-09-10 11:27:32,891 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2019-09-10 11:27:32,891 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2019-09-10 11:27:32,891 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-09-10 11:27:32,891 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2019-09-10 11:27:32,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-10 11:27:32,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-10 11:27:32,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-09-10 11:27:32,892 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_register_full [2019-09-10 11:27:32,892 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2019-09-10 11:27:32,892 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2019-09-10 11:27:32,892 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-10 11:27:32,893 INFO L138 BoogieDeclarations]: Found implementation of procedure release_and_free_resource [2019-09-10 11:27:32,893 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-09-10 11:27:32,893 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_card_free [2019-09-10 11:27:32,893 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_card_new [2019-09-10 11:27:32,893 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_card_register [2019-09-10 11:27:32,893 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_device_new [2019-09-10 11:27:32,894 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_rawmidi_new [2019-09-10 11:27:32,894 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_rawmidi_receive [2019-09-10 11:27:32,894 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_rawmidi_set_ops [2019-09-10 11:27:32,894 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_rawmidi_transmit [2019-09-10 11:27:32,894 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_rawmidi_transmit_ack [2019-09-10 11:27:32,894 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_rawmidi_transmit_peek [2019-09-10 11:27:32,895 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-10 11:27:32,895 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-10 11:27:32,895 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-10 11:27:32,895 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-10 11:27:32,896 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2019-09-10 11:27:32,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 11:27:32,896 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 11:27:32,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-10 11:27:32,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-09-10 11:27:32,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-09-10 11:27:32,897 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-10 11:27:32,897 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-09-10 11:27:32,897 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-10 11:27:32,897 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2019-09-10 11:27:32,897 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-09-10 11:27:32,898 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-09-10 11:27:32,898 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-09-10 11:27:32,898 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-09-10 11:27:32,898 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-09-10 11:27:32,899 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-10 11:27:32,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_1 [2019-09-10 11:27:32,903 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-09-10 11:27:32,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_5 [2019-09-10 11:27:32,904 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-09-10 11:27:32,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_8 [2019-09-10 11:27:32,906 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-09-10 11:27:32,906 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2019-09-10 11:27:32,906 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2019-09-10 11:27:32,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_19 [2019-09-10 11:27:32,907 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2019-09-10 11:27:32,907 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2019-09-10 11:27:32,907 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2019-09-10 11:27:32,909 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-10 11:27:32,909 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2019-09-10 11:27:32,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_16 [2019-09-10 11:27:32,909 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-10 11:27:32,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-09-10 11:27:32,910 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 11:27:32,910 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-10 11:27:32,910 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 11:27:32,910 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-10 11:27:32,910 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-10 11:27:32,911 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-10 11:27:32,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-10 11:27:32,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 11:27:32,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-10 11:27:32,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-10 11:27:32,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-10 11:27:32,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-10 11:27:32,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-10 11:27:32,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-10 11:27:32,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-10 11:27:32,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-09-10 11:27:32,914 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_2 [2019-09-10 11:27:32,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_snd_rawmidi_ops_5 [2019-09-10 11:27:32,914 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2019-09-10 11:27:32,914 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2019-09-10 11:27:32,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_snd_rawmidi_ops_4 [2019-09-10 11:27:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2019-09-10 11:27:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2019-09-10 11:27:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2019-09-10 11:27:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2019-09-10 11:27:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2019-09-10 11:27:32,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_platform_driver_3 [2019-09-10 11:27:32,916 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2019-09-10 11:27:32,916 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-09-10 11:27:32,916 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2019-09-10 11:27:32,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_21 [2019-09-10 11:27:32,917 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-09-10 11:27:32,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_20 [2019-09-10 11:27:32,917 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-09-10 11:27:32,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 11:27:32,917 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-09-10 11:27:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 11:27:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2019-09-10 11:27:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_register_full [2019-09-10 11:27:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_register_resndata [2019-09-10 11:27:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 11:27:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 11:27:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_register_simple [2019-09-10 11:27:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure __platform_driver_register [2019-09-10 11:27:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___platform_driver_register_23 [2019-09-10 11:27:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2019-09-10 11:27:32,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_driver_unregister_22 [2019-09-10 11:27:32,920 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2019-09-10 11:27:32,920 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2019-09-10 11:27:32,920 INFO L130 BoogieDeclarations]: Found specification of procedure snd_card_new [2019-09-10 11:27:32,920 INFO L130 BoogieDeclarations]: Found specification of procedure snd_card_free [2019-09-10 11:27:32,921 INFO L130 BoogieDeclarations]: Found specification of procedure snd_card_register [2019-09-10 11:27:32,921 INFO L130 BoogieDeclarations]: Found specification of procedure snd_device_new [2019-09-10 11:27:32,921 INFO L130 BoogieDeclarations]: Found specification of procedure release_and_free_resource [2019-09-10 11:27:32,921 INFO L130 BoogieDeclarations]: Found specification of procedure __snd_printk [2019-09-10 11:27:32,921 INFO L130 BoogieDeclarations]: Found specification of procedure snd_rawmidi_new [2019-09-10 11:27:32,922 INFO L130 BoogieDeclarations]: Found specification of procedure snd_rawmidi_set_ops [2019-09-10 11:27:32,922 INFO L130 BoogieDeclarations]: Found specification of procedure snd_rawmidi_receive [2019-09-10 11:27:32,922 INFO L130 BoogieDeclarations]: Found specification of procedure snd_rawmidi_transmit_peek [2019-09-10 11:27:32,922 INFO L130 BoogieDeclarations]: Found specification of procedure snd_rawmidi_transmit_ack [2019-09-10 11:27:32,924 INFO L130 BoogieDeclarations]: Found specification of procedure snd_rawmidi_transmit [2019-09-10 11:27:32,925 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_add_timer [2019-09-10 11:27:32,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 11:27:32,925 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_del_timer [2019-09-10 11:27:32,925 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_buffer_output [2019-09-10 11:27:32,925 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_io_loop [2019-09-10 11:27:32,926 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_interrupt [2019-09-10 11:27:32,926 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_buffer_timer [2019-09-10 11:27:32,926 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_detect [2019-09-10 11:27:32,926 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_do_open [2019-09-10 11:27:32,926 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_do_close [2019-09-10 11:27:32,926 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_input_open [2019-09-10 11:27:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_input_close [2019-09-10 11:27:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_input_trigger [2019-09-10 11:27:32,928 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_output_open [2019-09-10 11:27:32,928 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_output_close [2019-09-10 11:27:32,928 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_buffer_can_write [2019-09-10 11:27:32,928 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_write_buffer [2019-09-10 11:27:32,928 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_output_byte [2019-09-10 11:27:32,929 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_output_write [2019-09-10 11:27:32,929 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_output_trigger [2019-09-10 11:27:32,929 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_free [2019-09-10 11:27:32,929 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_dev_free [2019-09-10 11:27:32,930 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_create [2019-09-10 11:27:32,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-10 11:27:32,930 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_substreams [2019-09-10 11:27:32,930 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_rmidi [2019-09-10 11:27:32,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2019-09-10 11:27:32,930 INFO L130 BoogieDeclarations]: Found specification of procedure snd_serial_probe [2019-09-10 11:27:32,931 INFO L130 BoogieDeclarations]: Found specification of procedure snd_serial_remove [2019-09-10 11:27:32,931 INFO L130 BoogieDeclarations]: Found specification of procedure snd_serial_unregister_all [2019-09-10 11:27:32,931 INFO L130 BoogieDeclarations]: Found specification of procedure alsa_card_serial_init [2019-09-10 11:27:32,931 INFO L130 BoogieDeclarations]: Found specification of procedure alsa_card_serial_exit [2019-09-10 11:27:32,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-10 11:27:32,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-10 11:27:32,932 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2019-09-10 11:27:32,932 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 11:27:32,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-09-10 11:27:32,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-09-10 11:27:32,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-09-10 11:27:32,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-09-10 11:27:32,933 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-10 11:27:32,933 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 11:27:32,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 11:27:32,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-10 11:27:32,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 11:27:32,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 11:27:32,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-10 11:27:32,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-10 11:27:34,426 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-10 11:27:37,353 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 11:27:37,355 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-10 11:27:37,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 11:27:37 BoogieIcfgContainer [2019-09-10 11:27:37,362 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 11:27:37,364 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 11:27:37,365 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 11:27:37,381 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 11:27:37,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 11:27:30" (1/3) ... [2019-09-10 11:27:37,383 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57c7a6ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 11:27:37, skipping insertion in model container [2019-09-10 11:27:37,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:27:32" (2/3) ... [2019-09-10 11:27:37,384 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57c7a6ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 11:27:37, skipping insertion in model container [2019-09-10 11:27:37,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 11:27:37" (3/3) ... [2019-09-10 11:27:37,387 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 [2019-09-10 11:27:37,401 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 11:27:37,420 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 11:27:37,444 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 11:27:37,483 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 11:27:37,483 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 11:27:37,483 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 11:27:37,484 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 11:27:37,484 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 11:27:37,484 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 11:27:37,484 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 11:27:37,484 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 11:27:37,533 INFO L276 IsEmpty]: Start isEmpty. Operand 922 states. [2019-09-10 11:27:37,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-09-10 11:27:37,566 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:27:37,567 INFO L399 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] [2019-09-10 11:27:37,571 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:27:37,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:27:37,577 INFO L82 PathProgramCache]: Analyzing trace with hash 153354252, now seen corresponding path program 1 times [2019-09-10 11:27:37,579 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:27:37,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:27:37,667 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:27:37,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:27:37,668 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:27:38,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:27:38,346 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-09-10 11:27:38,350 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:27:38,351 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 11:27:38,351 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:27:38,358 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 11:27:38,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 11:27:38,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:27:38,376 INFO L87 Difference]: Start difference. First operand 922 states. Second operand 3 states. [2019-09-10 11:27:38,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:27:38,713 INFO L93 Difference]: Finished difference Result 1447 states and 1924 transitions. [2019-09-10 11:27:38,713 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 11:27:38,715 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-09-10 11:27:38,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:27:38,757 INFO L225 Difference]: With dead ends: 1447 [2019-09-10 11:27:38,758 INFO L226 Difference]: Without dead ends: 1394 [2019-09-10 11:27:38,762 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:27:38,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1394 states. [2019-09-10 11:27:38,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1394 to 1385. [2019-09-10 11:27:38,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1385 states. [2019-09-10 11:27:38,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1385 states to 1385 states and 1839 transitions. [2019-09-10 11:27:38,979 INFO L78 Accepts]: Start accepts. Automaton has 1385 states and 1839 transitions. Word has length 53 [2019-09-10 11:27:38,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:27:38,980 INFO L475 AbstractCegarLoop]: Abstraction has 1385 states and 1839 transitions. [2019-09-10 11:27:38,980 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 11:27:38,980 INFO L276 IsEmpty]: Start isEmpty. Operand 1385 states and 1839 transitions. [2019-09-10 11:27:38,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-09-10 11:27:38,999 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:27:39,000 INFO L399 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] [2019-09-10 11:27:39,000 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:27:39,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:27:39,002 INFO L82 PathProgramCache]: Analyzing trace with hash 1216996654, now seen corresponding path program 1 times [2019-09-10 11:27:39,003 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:27:39,007 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:27:39,008 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:27:39,008 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:27:39,008 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:27:39,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:27:39,432 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-09-10 11:27:39,432 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:27:39,432 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 11:27:39,433 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:27:39,435 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 11:27:39,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 11:27:39,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:27:39,436 INFO L87 Difference]: Start difference. First operand 1385 states and 1839 transitions. Second operand 3 states. [2019-09-10 11:27:39,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:27:39,553 INFO L93 Difference]: Finished difference Result 1385 states and 1837 transitions. [2019-09-10 11:27:39,553 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 11:27:39,554 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 92 [2019-09-10 11:27:39,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:27:39,566 INFO L225 Difference]: With dead ends: 1385 [2019-09-10 11:27:39,566 INFO L226 Difference]: Without dead ends: 1385 [2019-09-10 11:27:39,568 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:27:39,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1385 states. [2019-09-10 11:27:39,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1385 to 1385. [2019-09-10 11:27:39,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1385 states. [2019-09-10 11:27:39,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1385 states to 1385 states and 1837 transitions. [2019-09-10 11:27:39,644 INFO L78 Accepts]: Start accepts. Automaton has 1385 states and 1837 transitions. Word has length 92 [2019-09-10 11:27:39,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:27:39,645 INFO L475 AbstractCegarLoop]: Abstraction has 1385 states and 1837 transitions. [2019-09-10 11:27:39,645 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 11:27:39,645 INFO L276 IsEmpty]: Start isEmpty. Operand 1385 states and 1837 transitions. [2019-09-10 11:27:39,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2019-09-10 11:27:39,656 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:27:39,656 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 11:27:39,657 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:27:39,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:27:39,657 INFO L82 PathProgramCache]: Analyzing trace with hash -260507495, now seen corresponding path program 1 times [2019-09-10 11:27:39,658 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:27:39,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:27:39,662 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:27:39,662 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:27:39,662 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:27:39,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:27:40,075 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-09-10 11:27:40,078 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:27:40,079 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 11:27:40,079 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:27:40,082 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 11:27:40,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 11:27:40,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:27:40,084 INFO L87 Difference]: Start difference. First operand 1385 states and 1837 transitions. Second operand 3 states. [2019-09-10 11:27:40,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:27:40,140 INFO L93 Difference]: Finished difference Result 1386 states and 1838 transitions. [2019-09-10 11:27:40,141 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 11:27:40,141 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 113 [2019-09-10 11:27:40,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:27:40,153 INFO L225 Difference]: With dead ends: 1386 [2019-09-10 11:27:40,153 INFO L226 Difference]: Without dead ends: 1386 [2019-09-10 11:27:40,154 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:27:40,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1386 states. [2019-09-10 11:27:40,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1386 to 1386. [2019-09-10 11:27:40,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1386 states. [2019-09-10 11:27:40,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1386 states to 1386 states and 1838 transitions. [2019-09-10 11:27:40,213 INFO L78 Accepts]: Start accepts. Automaton has 1386 states and 1838 transitions. Word has length 113 [2019-09-10 11:27:40,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:27:40,214 INFO L475 AbstractCegarLoop]: Abstraction has 1386 states and 1838 transitions. [2019-09-10 11:27:40,214 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 11:27:40,214 INFO L276 IsEmpty]: Start isEmpty. Operand 1386 states and 1838 transitions. [2019-09-10 11:27:40,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2019-09-10 11:27:40,222 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:27:40,223 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 11:27:40,223 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:27:40,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:27:40,224 INFO L82 PathProgramCache]: Analyzing trace with hash -332894053, now seen corresponding path program 1 times [2019-09-10 11:27:40,224 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:27:40,227 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:27:40,227 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:27:40,227 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:27:40,227 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:27:40,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:27:40,507 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-09-10 11:27:40,508 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:27:40,508 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 11:27:40,508 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:27:40,509 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 11:27:40,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 11:27:40,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:27:40,510 INFO L87 Difference]: Start difference. First operand 1386 states and 1838 transitions. Second operand 3 states. [2019-09-10 11:27:40,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:27:40,552 INFO L93 Difference]: Finished difference Result 1387 states and 1839 transitions. [2019-09-10 11:27:40,552 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 11:27:40,553 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 113 [2019-09-10 11:27:40,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:27:40,565 INFO L225 Difference]: With dead ends: 1387 [2019-09-10 11:27:40,565 INFO L226 Difference]: Without dead ends: 1387 [2019-09-10 11:27:40,566 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:27:40,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1387 states. [2019-09-10 11:27:40,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1387 to 1387. [2019-09-10 11:27:40,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1387 states. [2019-09-10 11:27:40,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1387 states to 1387 states and 1839 transitions. [2019-09-10 11:27:40,634 INFO L78 Accepts]: Start accepts. Automaton has 1387 states and 1839 transitions. Word has length 113 [2019-09-10 11:27:40,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:27:40,637 INFO L475 AbstractCegarLoop]: Abstraction has 1387 states and 1839 transitions. [2019-09-10 11:27:40,637 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 11:27:40,637 INFO L276 IsEmpty]: Start isEmpty. Operand 1387 states and 1839 transitions. [2019-09-10 11:27:40,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2019-09-10 11:27:40,645 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:27:40,645 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 11:27:40,645 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:27:40,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:27:40,646 INFO L82 PathProgramCache]: Analyzing trace with hash 368705821, now seen corresponding path program 1 times [2019-09-10 11:27:40,646 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:27:40,652 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:27:40,652 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:27:40,652 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:27:40,652 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:27:40,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:27:40,995 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-09-10 11:27:40,996 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:27:40,996 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 11:27:40,996 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:27:40,997 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 11:27:40,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 11:27:40,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:27:40,998 INFO L87 Difference]: Start difference. First operand 1387 states and 1839 transitions. Second operand 3 states. [2019-09-10 11:27:41,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:27:41,033 INFO L93 Difference]: Finished difference Result 1390 states and 1840 transitions. [2019-09-10 11:27:41,033 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 11:27:41,033 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 113 [2019-09-10 11:27:41,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:27:41,034 INFO L225 Difference]: With dead ends: 1390 [2019-09-10 11:27:41,035 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 11:27:41,035 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:27:41,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 11:27:41,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 11:27:41,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 11:27:41,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 11:27:41,036 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 113 [2019-09-10 11:27:41,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:27:41,036 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 11:27:41,037 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 11:27:41,037 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 11:27:41,037 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 11:27:41,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 11:27:41 BoogieIcfgContainer [2019-09-10 11:27:41,044 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 11:27:41,047 INFO L168 Benchmark]: Toolchain (without parser) took 10884.08 ms. Allocated memory was 140.5 MB in the beginning and 379.6 MB in the end (delta: 239.1 MB). Free memory was 82.9 MB in the beginning and 146.4 MB in the end (delta: -63.5 MB). Peak memory consumption was 175.6 MB. Max. memory is 7.1 GB. [2019-09-10 11:27:41,049 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 140.5 MB. Free memory was 106.7 MB in the beginning and 106.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-09-10 11:27:41,050 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2232.23 ms. Allocated memory was 140.5 MB in the beginning and 215.5 MB in the end (delta: 75.0 MB). Free memory was 82.7 MB in the beginning and 112.0 MB in the end (delta: -29.2 MB). Peak memory consumption was 59.9 MB. Max. memory is 7.1 GB. [2019-09-10 11:27:41,051 INFO L168 Benchmark]: Boogie Preprocessor took 366.63 ms. Allocated memory is still 215.5 MB. Free memory was 112.0 MB in the beginning and 95.7 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-09-10 11:27:41,052 INFO L168 Benchmark]: RCFGBuilder took 4598.80 ms. Allocated memory was 215.5 MB in the beginning and 375.9 MB in the end (delta: 160.4 MB). Free memory was 95.7 MB in the beginning and 284.7 MB in the end (delta: -188.9 MB). Peak memory consumption was 90.2 MB. Max. memory is 7.1 GB. [2019-09-10 11:27:41,053 INFO L168 Benchmark]: TraceAbstraction took 3680.23 ms. Allocated memory was 375.9 MB in the beginning and 379.6 MB in the end (delta: 3.7 MB). Free memory was 284.7 MB in the beginning and 146.4 MB in the end (delta: 138.2 MB). Peak memory consumption was 141.9 MB. Max. memory is 7.1 GB. [2019-09-10 11:27:41,057 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 140.5 MB. Free memory was 106.7 MB in the beginning and 106.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2232.23 ms. Allocated memory was 140.5 MB in the beginning and 215.5 MB in the end (delta: 75.0 MB). Free memory was 82.7 MB in the beginning and 112.0 MB in the end (delta: -29.2 MB). Peak memory consumption was 59.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 366.63 ms. Allocated memory is still 215.5 MB. Free memory was 112.0 MB in the beginning and 95.7 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4598.80 ms. Allocated memory was 215.5 MB in the beginning and 375.9 MB in the end (delta: 160.4 MB). Free memory was 95.7 MB in the beginning and 284.7 MB in the end (delta: -188.9 MB). Peak memory consumption was 90.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3680.23 ms. Allocated memory was 375.9 MB in the beginning and 379.6 MB in the end (delta: 3.7 MB). Free memory was 284.7 MB in the beginning and 146.4 MB in the end (delta: 138.2 MB). Peak memory consumption was 141.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 2693]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 119 procedures, 962 locations, 1 error locations. SAFE Result, 3.5s OverallTime, 5 OverallIterations, 3 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 5892 SDtfs, 2535 SDslu, 3852 SDs, 0 SdLazy, 23 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1387occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 5 MinimizatonAttempts, 9 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 484 NumberOfCodeBlocks, 484 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 479 ConstructedInterpolants, 0 QuantifiedInterpolants, 60847 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 76/76 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...