/usr/bin/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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--digi_acceleport.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 21:09:23,652 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 21:09:23,654 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 21:09:23,667 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 21:09:23,667 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 21:09:23,668 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 21:09:23,670 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 21:09:23,672 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 21:09:23,673 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 21:09:23,674 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 21:09:23,675 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 21:09:23,676 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 21:09:23,677 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 21:09:23,678 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 21:09:23,679 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 21:09:23,680 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 21:09:23,681 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 21:09:23,682 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 21:09:23,683 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 21:09:23,687 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 21:09:23,691 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 21:09:23,692 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 21:09:23,693 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 21:09:23,694 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 21:09:23,698 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 21:09:23,698 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 21:09:23,698 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 21:09:23,700 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 21:09:23,700 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 21:09:23,703 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 21:09:23,703 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 21:09:23,705 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 21:09:23,706 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 21:09:23,707 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 21:09:23,711 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 21:09:23,711 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 21:09:23,712 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 21:09:23,712 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 21:09:23,712 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 21:09:23,716 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 21:09:23,717 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 21:09:23,718 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 [2019-11-06 21:09:23,739 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 21:09:23,739 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 21:09:23,741 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 21:09:23,742 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 21:09:23,742 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 21:09:23,742 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 21:09:23,742 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 21:09:23,743 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 21:09:23,743 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 21:09:23,743 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 21:09:23,744 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 21:09:23,744 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 21:09:23,744 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 21:09:23,745 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 21:09:23,745 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 21:09:23,745 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 21:09:23,745 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 21:09:23,746 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 21:09:23,746 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 21:09:23,746 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 21:09:23,746 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 21:09:23,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 21:09:23,747 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 21:09:23,747 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 21:09:23,747 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 21:09:23,747 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 21:09:23,748 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 21:09:23,748 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 21:09:23,748 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 21:09:24,084 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 21:09:24,107 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 21:09:24,111 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 21:09:24,113 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 21:09:24,113 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 21:09:24,114 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--digi_acceleport.ko-entry_point.cil.out.i [2019-11-06 21:09:24,190 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfa70020b/bd9b8f232b924c70aff948261b5f6a94/FLAG1477c02f6 [2019-11-06 21:09:24,985 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 21:09:24,985 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--digi_acceleport.ko-entry_point.cil.out.i [2019-11-06 21:09:25,028 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfa70020b/bd9b8f232b924c70aff948261b5f6a94/FLAG1477c02f6 [2019-11-06 21:09:25,533 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfa70020b/bd9b8f232b924c70aff948261b5f6a94 [2019-11-06 21:09:25,544 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 21:09:25,545 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 21:09:25,546 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 21:09:25,546 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 21:09:25,550 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 21:09:25,551 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:09:25" (1/1) ... [2019-11-06 21:09:25,553 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@183b6ca0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:09:25, skipping insertion in model container [2019-11-06 21:09:25,554 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:09:25" (1/1) ... [2019-11-06 21:09:25,561 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 21:09:25,691 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 21:09:27,508 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:09:27,558 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 21:09:27,949 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:09:28,236 INFO L192 MainTranslator]: Completed translation [2019-11-06 21:09:28,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:09:28 WrapperNode [2019-11-06 21:09:28,238 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 21:09:28,238 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 21:09:28,238 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 21:09:28,239 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 21:09:28,252 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:09:28" (1/1) ... [2019-11-06 21:09:28,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:09:28" (1/1) ... [2019-11-06 21:09:28,321 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:09:28" (1/1) ... [2019-11-06 21:09:28,321 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:09:28" (1/1) ... [2019-11-06 21:09:28,458 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:09:28" (1/1) ... [2019-11-06 21:09:28,503 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:09:28" (1/1) ... [2019-11-06 21:09:28,534 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:09:28" (1/1) ... [2019-11-06 21:09:28,565 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 21:09:28,565 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 21:09:28,565 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 21:09:28,566 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 21:09:28,573 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:09:28" (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 [2019-11-06 21:09:28,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 21:09:28,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 21:09:28,654 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_guard [2019-11-06 21:09:28,655 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-11-06 21:09:28,655 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2019-11-06 21:09:28,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-06 21:09:28,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-06 21:09:28,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-11-06 21:09:28,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-11-06 21:09:28,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-11-06 21:09:28,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-11-06 21:09:28,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-11-06 21:09:28,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-11-06 21:09:28,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-11-06 21:09:28,661 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-11-06 21:09:28,661 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-11-06 21:09:28,665 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2019-11-06 21:09:28,665 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2019-11-06 21:09:28,666 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-11-06 21:09:28,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_5 [2019-11-06 21:09:28,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_8 [2019-11-06 21:09:28,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_9 [2019-11-06 21:09:28,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_11 [2019-11-06 21:09:28,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2019-11-06 21:09:28,667 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2019-11-06 21:09:28,667 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2019-11-06 21:09:28,667 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2019-11-06 21:09:28,667 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2019-11-06 21:09:28,667 INFO L138 BoogieDeclarations]: Found implementation of procedure char_buf_ptr [2019-11-06 21:09:28,668 INFO L138 BoogieDeclarations]: Found implementation of procedure flag_buf_ptr [2019-11-06 21:09:28,668 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_get_baud_rate [2019-11-06 21:09:28,668 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_char [2019-11-06 21:09:28,668 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-11-06 21:09:28,668 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-11-06 21:09:28,668 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2019-11-06 21:09:28,668 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_port_data [2019-11-06 21:09:28,669 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_data [2019-11-06 21:09:28,669 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_data [2019-11-06 21:09:28,669 INFO L138 BoogieDeclarations]: Found implementation of procedure cond_wait_interruptible_timeout_irqrestore [2019-11-06 21:09:28,669 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_wakeup_write_lock [2019-11-06 21:09:28,669 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_write_oob_command [2019-11-06 21:09:28,669 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_write_inb_command [2019-11-06 21:09:28,669 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_set_modem_signals [2019-11-06 21:09:28,669 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_transmit_idle [2019-11-06 21:09:28,670 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_rx_throttle [2019-11-06 21:09:28,670 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_rx_unthrottle [2019-11-06 21:09:28,670 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_set_termios [2019-11-06 21:09:28,670 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_break_ctl [2019-11-06 21:09:28,670 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_tiocmget [2019-11-06 21:09:28,670 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_tiocmset [2019-11-06 21:09:28,670 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_write [2019-11-06 21:09:28,671 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_write_bulk_callback [2019-11-06 21:09:28,671 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_write_room [2019-11-06 21:09:28,671 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_chars_in_buffer [2019-11-06 21:09:28,672 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_dtr_rts [2019-11-06 21:09:28,672 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_open [2019-11-06 21:09:28,672 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_close [2019-11-06 21:09:28,672 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_startup_device [2019-11-06 21:09:28,672 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_port_init [2019-11-06 21:09:28,673 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_startup [2019-11-06 21:09:28,673 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_disconnect [2019-11-06 21:09:28,673 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_release [2019-11-06 21:09:28,673 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_port_probe [2019-11-06 21:09:28,673 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_port_remove [2019-11-06 21:09:28,673 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_read_bulk_callback [2019-11-06 21:09:28,673 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_read_inb_callback [2019-11-06 21:09:28,674 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_read_oob_callback [2019-11-06 21:09:28,674 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_module_init [2019-11-06 21:09:28,674 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_module_exit [2019-11-06 21:09:28,674 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2019-11-06 21:09:28,674 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_1 [2019-11-06 21:09:28,675 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2019-11-06 21:09:28,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_serial_driver_2 [2019-11-06 21:09:28,675 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2019-11-06 21:09:28,675 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2019-11-06 21:09:28,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_serial_driver_3 [2019-11-06 21:09:28,676 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_1 [2019-11-06 21:09:28,676 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 21:09:28,676 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-11-06 21:09:28,676 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-11-06 21:09:28,676 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-11-06 21:09:28,677 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-11-06 21:09:28,677 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-11-06 21:09:28,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_15 [2019-11-06 21:09:28,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_16 [2019-11-06 21:09:28,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_17 [2019-11-06 21:09:28,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_18 [2019-11-06 21:09:28,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_19 [2019-11-06 21:09:28,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_25 [2019-11-06 21:09:28,679 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-11-06 21:09:28,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_28 [2019-11-06 21:09:28,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_29 [2019-11-06 21:09:28,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_30 [2019-11-06 21:09:28,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_31 [2019-11-06 21:09:28,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_32 [2019-11-06 21:09:28,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_33 [2019-11-06 21:09:28,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_34 [2019-11-06 21:09:28,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_35 [2019-11-06 21:09:28,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-11-06 21:09:28,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-11-06 21:09:28,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-11-06 21:09:28,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-11-06 21:09:28,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-11-06 21:09:28,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-11-06 21:09:28,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-11-06 21:09:28,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-11-06 21:09:28,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-11-06 21:09:28,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-11-06 21:09:28,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-11-06 21:09:28,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-11-06 21:09:28,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-11-06 21:09:28,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-11-06 21:09:28,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-11-06 21:09:28,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-11-06 21:09:28,683 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-11-06 21:09:28,684 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-11-06 21:09:28,684 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-11-06 21:09:28,684 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-11-06 21:09:28,684 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-11-06 21:09:28,684 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-11-06 21:09:28,685 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2019-11-06 21:09:28,685 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2019-11-06 21:09:28,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-11-06 21:09:28,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-11-06 21:09:28,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_2 [2019-11-06 21:09:28,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_3 [2019-11-06 21:09:28,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-11-06 21:09:28,687 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-11-06 21:09:28,687 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-11-06 21:09:28,687 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-11-06 21:09:28,687 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2019-11-06 21:09:28,687 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-11-06 21:09:28,687 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2019-11-06 21:09:28,688 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-11-06 21:09:28,688 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2019-11-06 21:09:28,688 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_encode_baud_rate [2019-11-06 21:09:28,688 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2019-11-06 21:09:28,688 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string_fixed_flag [2019-11-06 21:09:28,689 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string_flags [2019-11-06 21:09:28,689 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_kref_put [2019-11-06 21:09:28,692 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_get [2019-11-06 21:09:28,693 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_wakeup [2019-11-06 21:09:28,693 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_termios_baud_rate [2019-11-06 21:09:28,694 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-11-06 21:09:28,700 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister_drivers [2019-11-06 21:09:28,700 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register_drivers [2019-11-06 21:09:28,700 INFO L138 BoogieDeclarations]: Found implementation of procedure autoremove_wake_function [2019-11-06 21:09:28,700 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-11-06 21:09:28,700 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-11-06 21:09:28,701 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-06 21:09:28,701 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-06 21:09:28,702 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-06 21:09:28,702 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 21:09:28,702 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-06 21:09:28,702 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_guard [2019-11-06 21:09:28,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-11-06 21:09:28,702 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-11-06 21:09:28,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 21:09:28,702 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2019-11-06 21:09:28,703 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-11-06 21:09:28,703 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-11-06 21:09:28,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-11-06 21:09:28,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-11-06 21:09:28,703 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-06 21:09:28,703 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-06 21:09:28,703 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-06 21:09:28,703 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 21:09:28,704 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-11-06 21:09:28,704 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-06 21:09:28,704 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-06 21:09:28,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-06 21:09:28,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-06 21:09:28,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-06 21:09:28,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-06 21:09:28,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-11-06 21:09:28,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-11-06 21:09:28,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-06 21:09:28,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-11-06 21:09:28,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-11-06 21:09:28,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-11-06 21:09:28,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-11-06 21:09:28,705 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-11-06 21:09:28,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 21:09:28,706 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-11-06 21:09:28,706 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-11-06 21:09:28,706 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-06 21:09:28,706 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2019-11-06 21:09:28,706 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2019-11-06 21:09:28,706 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-11-06 21:09:28,706 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-11-06 21:09:28,706 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-11-06 21:09:28,706 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-11-06 21:09:28,707 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-11-06 21:09:28,707 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-11-06 21:09:28,707 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-11-06 21:09:28,707 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-11-06 21:09:28,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_5 [2019-11-06 21:09:28,707 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-11-06 21:09:28,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_8 [2019-11-06 21:09:28,707 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-11-06 21:09:28,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_9 [2019-11-06 21:09:28,708 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-11-06 21:09:28,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_11 [2019-11-06 21:09:28,708 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-11-06 21:09:28,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2019-11-06 21:09:28,708 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-11-06 21:09:28,708 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-11-06 21:09:28,708 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-11-06 21:09:28,709 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2019-11-06 21:09:28,709 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2019-11-06 21:09:28,709 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2019-11-06 21:09:28,709 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-11-06 21:09:28,709 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-11-06 21:09:28,709 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-11-06 21:09:28,709 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-11-06 21:09:28,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_15 [2019-11-06 21:09:28,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_17 [2019-11-06 21:09:28,710 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2019-11-06 21:09:28,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_16 [2019-11-06 21:09:28,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_19 [2019-11-06 21:09:28,710 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2019-11-06 21:09:28,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_18 [2019-11-06 21:09:28,710 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2019-11-06 21:09:28,710 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2019-11-06 21:09:28,711 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2019-11-06 21:09:28,711 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2019-11-06 21:09:28,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 21:09:28,711 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2019-11-06 21:09:28,711 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-06 21:09:28,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_25 [2019-11-06 21:09:28,711 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-11-06 21:09:28,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-11-06 21:09:28,712 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2019-11-06 21:09:28,712 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_1 [2019-11-06 21:09:28,712 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2019-11-06 21:09:28,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_serial_driver_2 [2019-11-06 21:09:28,712 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2019-11-06 21:09:28,712 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2019-11-06 21:09:28,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_serial_driver_3 [2019-11-06 21:09:28,712 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_1 [2019-11-06 21:09:28,712 INFO L130 BoogieDeclarations]: Found specification of procedure char_buf_ptr [2019-11-06 21:09:28,713 INFO L130 BoogieDeclarations]: Found specification of procedure flag_buf_ptr [2019-11-06 21:09:28,713 INFO L130 BoogieDeclarations]: Found specification of procedure tty_kref_put [2019-11-06 21:09:28,713 INFO L130 BoogieDeclarations]: Found specification of procedure tty_termios_baud_rate [2019-11-06 21:09:28,713 INFO L130 BoogieDeclarations]: Found specification of procedure tty_encode_baud_rate [2019-11-06 21:09:28,713 INFO L130 BoogieDeclarations]: Found specification of procedure tty_get_baud_rate [2019-11-06 21:09:28,713 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_get [2019-11-06 21:09:28,713 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_wakeup [2019-11-06 21:09:28,713 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_flags [2019-11-06 21:09:28,714 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_fixed_flag [2019-11-06 21:09:28,714 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2019-11-06 21:09:28,714 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_char [2019-11-06 21:09:28,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 21:09:28,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 21:09:28,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 21:09:28,714 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-11-06 21:09:28,714 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-11-06 21:09:28,714 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-11-06 21:09:28,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_28 [2019-11-06 21:09:28,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_29 [2019-11-06 21:09:28,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_30 [2019-11-06 21:09:28,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_31 [2019-11-06 21:09:28,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_32 [2019-11-06 21:09:28,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_33 [2019-11-06 21:09:28,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_34 [2019-11-06 21:09:28,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_35 [2019-11-06 21:09:28,717 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-11-06 21:09:28,720 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2019-11-06 21:09:28,720 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_port_data [2019-11-06 21:09:28,720 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_data [2019-11-06 21:09:28,721 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_data [2019-11-06 21:09:28,721 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register_drivers [2019-11-06 21:09:28,724 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister_drivers [2019-11-06 21:09:28,724 INFO L130 BoogieDeclarations]: Found specification of procedure digi_wakeup_write_lock [2019-11-06 21:09:28,724 INFO L130 BoogieDeclarations]: Found specification of procedure digi_write_oob_command [2019-11-06 21:09:28,724 INFO L130 BoogieDeclarations]: Found specification of procedure digi_write_inb_command [2019-11-06 21:09:28,724 INFO L130 BoogieDeclarations]: Found specification of procedure digi_set_modem_signals [2019-11-06 21:09:28,725 INFO L130 BoogieDeclarations]: Found specification of procedure digi_transmit_idle [2019-11-06 21:09:28,725 INFO L130 BoogieDeclarations]: Found specification of procedure digi_rx_throttle [2019-11-06 21:09:28,725 INFO L130 BoogieDeclarations]: Found specification of procedure digi_rx_unthrottle [2019-11-06 21:09:28,725 INFO L130 BoogieDeclarations]: Found specification of procedure digi_set_termios [2019-11-06 21:09:28,725 INFO L130 BoogieDeclarations]: Found specification of procedure digi_break_ctl [2019-11-06 21:09:28,725 INFO L130 BoogieDeclarations]: Found specification of procedure digi_tiocmget [2019-11-06 21:09:28,725 INFO L130 BoogieDeclarations]: Found specification of procedure digi_tiocmset [2019-11-06 21:09:28,725 INFO L130 BoogieDeclarations]: Found specification of procedure digi_write [2019-11-06 21:09:28,726 INFO L130 BoogieDeclarations]: Found specification of procedure digi_write_bulk_callback [2019-11-06 21:09:28,726 INFO L130 BoogieDeclarations]: Found specification of procedure digi_write_room [2019-11-06 21:09:28,726 INFO L130 BoogieDeclarations]: Found specification of procedure digi_chars_in_buffer [2019-11-06 21:09:28,726 INFO L130 BoogieDeclarations]: Found specification of procedure digi_open [2019-11-06 21:09:28,726 INFO L130 BoogieDeclarations]: Found specification of procedure digi_close [2019-11-06 21:09:28,726 INFO L130 BoogieDeclarations]: Found specification of procedure digi_dtr_rts [2019-11-06 21:09:28,726 INFO L130 BoogieDeclarations]: Found specification of procedure digi_startup_device [2019-11-06 21:09:28,726 INFO L130 BoogieDeclarations]: Found specification of procedure digi_startup [2019-11-06 21:09:28,726 INFO L130 BoogieDeclarations]: Found specification of procedure digi_disconnect [2019-11-06 21:09:28,727 INFO L130 BoogieDeclarations]: Found specification of procedure digi_release [2019-11-06 21:09:28,727 INFO L130 BoogieDeclarations]: Found specification of procedure digi_port_probe [2019-11-06 21:09:28,727 INFO L130 BoogieDeclarations]: Found specification of procedure digi_port_remove [2019-11-06 21:09:28,727 INFO L130 BoogieDeclarations]: Found specification of procedure digi_read_bulk_callback [2019-11-06 21:09:28,727 INFO L130 BoogieDeclarations]: Found specification of procedure digi_read_inb_callback [2019-11-06 21:09:28,727 INFO L130 BoogieDeclarations]: Found specification of procedure digi_read_oob_callback [2019-11-06 21:09:28,727 INFO L130 BoogieDeclarations]: Found specification of procedure cond_wait_interruptible_timeout_irqrestore [2019-11-06 21:09:28,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-06 21:09:28,727 INFO L130 BoogieDeclarations]: Found specification of procedure digi_port_init [2019-11-06 21:09:28,727 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_module_init [2019-11-06 21:09:28,728 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_module_exit [2019-11-06 21:09:28,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-11-06 21:09:28,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-11-06 21:09:28,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_2 [2019-11-06 21:09:28,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_3 [2019-11-06 21:09:28,728 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 21:09:28,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-11-06 21:09:28,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-11-06 21:09:28,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-11-06 21:09:28,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-11-06 21:09:28,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-11-06 21:09:28,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-11-06 21:09:28,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-11-06 21:09:28,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-11-06 21:09:28,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-11-06 21:09:28,729 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-11-06 21:09:28,729 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-11-06 21:09:28,729 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-11-06 21:09:28,729 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-11-06 21:09:28,730 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-06 21:09:28,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 21:09:28,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 21:09:28,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-06 21:09:28,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-06 21:09:28,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 21:09:28,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-06 21:09:28,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-06 21:09:28,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-11-06 21:09:29,881 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-11-06 21:09:47,544 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 21:09:47,545 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-06 21:09:47,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:09:47 BoogieIcfgContainer [2019-11-06 21:09:47,548 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 21:09:47,551 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 21:09:47,551 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 21:09:47,555 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 21:09:47,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:09:25" (1/3) ... [2019-11-06 21:09:47,556 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@144d9b4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:09:47, skipping insertion in model container [2019-11-06 21:09:47,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:09:28" (2/3) ... [2019-11-06 21:09:47,558 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@144d9b4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:09:47, skipping insertion in model container [2019-11-06 21:09:47,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:09:47" (3/3) ... [2019-11-06 21:09:47,560 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--digi_acceleport.ko-entry_point.cil.out.i [2019-11-06 21:09:47,571 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 21:09:47,595 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 21:09:47,613 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 21:09:47,664 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 21:09:47,664 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 21:09:47,664 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 21:09:47,664 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 21:09:47,665 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 21:09:47,665 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 21:09:47,665 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 21:09:47,665 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 21:09:47,725 INFO L276 IsEmpty]: Start isEmpty. Operand 1554 states. [2019-11-06 21:09:47,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2019-11-06 21:09:47,751 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:09:47,752 INFO L410 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:09:47,755 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:09:47,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:09:47,761 INFO L82 PathProgramCache]: Analyzing trace with hash -1189007720, now seen corresponding path program 1 times [2019-11-06 21:09:47,771 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:09:47,771 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004525114] [2019-11-06 21:09:47,771 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:09:48,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:09:54,029 WARN L191 SmtUtils]: Spent 5.18 s on a formula simplification that was a NOOP. DAG size: 1015 [2019-11-06 21:09:54,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:09:54,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:09:54,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:09:54,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:09:54,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:09:54,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:09:54,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:09:54,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:09:54,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:09:54,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:09:54,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:09:54,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:09:54,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:09:54,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:09:54,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:09:54,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:09:54,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:09:54,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:09:54,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:09:54,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:09:54,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:09:54,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:09:54,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:09:54,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:09:54,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:09:54,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:09:54,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:09:54,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:09:54,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:09:54,788 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 372 trivial. 0 not checked. [2019-11-06 21:09:54,790 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004525114] [2019-11-06 21:09:54,793 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:09:54,793 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-06 21:09:54,794 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423780468] [2019-11-06 21:09:54,801 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-06 21:09:54,802 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:09:54,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-06 21:09:54,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-06 21:09:54,820 INFO L87 Difference]: Start difference. First operand 1554 states. Second operand 8 states. [2019-11-06 21:10:03,434 WARN L191 SmtUtils]: Spent 5.14 s on a formula simplification that was a NOOP. DAG size: 1017