java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 18:20:27,716 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 18:20:27,719 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 18:20:27,738 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 18:20:27,738 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 18:20:27,740 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 18:20:27,741 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 18:20:27,743 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 18:20:27,745 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 18:20:27,745 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 18:20:27,746 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 18:20:27,748 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 18:20:27,748 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 18:20:27,749 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 18:20:27,750 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 18:20:27,751 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 18:20:27,752 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 18:20:27,753 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 18:20:27,754 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 18:20:27,756 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 18:20:27,760 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 18:20:27,761 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 18:20:27,763 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 18:20:27,764 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 18:20:27,768 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 18:20:27,768 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 18:20:27,768 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 18:20:27,771 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 18:20:27,771 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 18:20:27,772 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 18:20:27,772 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 18:20:27,773 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 18:20:27,775 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 18:20:27,775 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 18:20:27,776 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 18:20:27,777 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 18:20:27,780 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 18:20:27,780 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 18:20:27,781 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 18:20:27,782 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 18:20:27,784 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 18:20:27,785 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 18:20:27,799 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 18:20:27,799 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 18:20:27,800 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 18:20:27,800 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 18:20:27,801 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 18:20:27,801 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 18:20:27,801 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 18:20:27,801 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 18:20:27,802 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 18:20:27,802 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 18:20:27,802 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 18:20:27,802 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 18:20:27,802 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 18:20:27,803 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 18:20:27,803 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 18:20:27,803 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 18:20:27,803 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 18:20:27,803 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 18:20:27,804 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 18:20:27,804 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 18:20:27,804 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 18:20:27,804 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 18:20:27,805 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 18:20:27,805 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 18:20:27,805 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 18:20:27,805 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 18:20:27,805 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 18:20:27,806 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 18:20:27,806 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 18:20:28,083 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 18:20:28,100 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 18:20:28,103 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 18:20:28,105 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 18:20:28,106 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 18:20:28,106 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i [2019-10-13 18:20:28,171 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00aaa5188/5a206f29a2d847c687102592d7124592/FLAG626f1ca13 [2019-10-13 18:20:28,954 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 18:20:28,956 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i [2019-10-13 18:20:29,008 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00aaa5188/5a206f29a2d847c687102592d7124592/FLAG626f1ca13 [2019-10-13 18:20:29,509 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00aaa5188/5a206f29a2d847c687102592d7124592 [2019-10-13 18:20:29,519 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 18:20:29,521 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 18:20:29,522 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 18:20:29,522 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 18:20:29,525 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 18:20:29,525 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:20:29" (1/1) ... [2019-10-13 18:20:29,528 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a53b62b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:20:29, skipping insertion in model container [2019-10-13 18:20:29,528 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:20:29" (1/1) ... [2019-10-13 18:20:29,534 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 18:20:29,631 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 18:20:30,811 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 18:20:30,879 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 18:20:31,115 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 18:20:31,239 INFO L192 MainTranslator]: Completed translation [2019-10-13 18:20:31,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:20:31 WrapperNode [2019-10-13 18:20:31,241 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 18:20:31,242 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 18:20:31,242 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 18:20:31,242 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 18:20:31,266 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:20:31" (1/1) ... [2019-10-13 18:20:31,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:20:31" (1/1) ... [2019-10-13 18:20:31,360 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:20:31" (1/1) ... [2019-10-13 18:20:31,360 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:20:31" (1/1) ... [2019-10-13 18:20:31,476 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:20:31" (1/1) ... [2019-10-13 18:20:31,570 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:20:31" (1/1) ... [2019-10-13 18:20:31,596 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:20:31" (1/1) ... [2019-10-13 18:20:31,617 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 18:20:31,617 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 18:20:31,618 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 18:20:31,618 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 18:20:31,619 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:20:31" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 18:20:31,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 18:20:31,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 18:20:31,717 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-13 18:20:31,718 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-13 18:20:31,718 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-13 18:20:31,719 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-13 18:20:31,719 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string [2019-10-13 18:20:31,720 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2019-10-13 18:20:31,720 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2019-10-13 18:20:31,720 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-10-13 18:20:31,720 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2019-10-13 18:20:31,720 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_usb_dump_class_desc [2019-10-13 18:20:31,721 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_usb_find_class_desc [2019-10-13 18:20:31,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_xbof_change [2019-10-13 18:20:31,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_startup [2019-10-13 18:20:31,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_open [2019-10-13 18:20:31,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_prepare_write_buffer [2019-10-13 18:20:31,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_process_read_urb [2019-10-13 18:20:31,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_set_termios_callback [2019-10-13 18:20:31,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_set_termios [2019-10-13 18:20:31,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_init [2019-10-13 18:20:31,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_exit [2019-10-13 18:20:31,726 INFO L138 BoogieDeclarations]: Found implementation of procedure init_module [2019-10-13 18:20:31,726 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_module [2019-10-13 18:20:31,726 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 18:20:31,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2019-10-13 18:20:31,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2019-10-13 18:20:31,727 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2019-10-13 18:20:31,727 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2019-10-13 18:20:31,727 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-10-13 18:20:31,728 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-10-13 18:20:31,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 18:20:31,728 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_out [2019-10-13 18:20:31,728 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_out_r [2019-10-13 18:20:31,728 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-13 18:20:31,728 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-13 18:20:31,728 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-13 18:20:31,729 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-13 18:20:31,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2019-10-13 18:20:31,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 18:20:31,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2019-10-13 18:20:31,729 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-13 18:20:31,729 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_encode_baud_rate [2019-10-13 18:20:31,729 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2019-10-13 18:20:31,730 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_get_baud_rate [2019-10-13 18:20:31,730 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string_fixed_flag [2019-10-13 18:20:31,730 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_kref_put [2019-10-13 18:20:31,731 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_get [2019-10-13 18:20:31,731 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_termios_copy_hw [2019-10-13 18:20:31,731 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2019-10-13 18:20:31,731 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-10-13 18:20:31,732 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-10-13 18:20:31,732 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2019-10-13 18:20:31,732 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_open [2019-10-13 18:20:31,732 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register [2019-10-13 18:20:31,732 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-10-13 18:20:31,732 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 18:20:31,733 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 18:20:31,733 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 18:20:31,734 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-13 18:20:31,734 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-13 18:20:31,734 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-13 18:20:31,734 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-13 18:20:31,735 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-13 18:20:31,735 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 18:20:31,735 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-13 18:20:31,735 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-13 18:20:31,735 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-13 18:20:31,736 INFO L130 BoogieDeclarations]: Found specification of procedure init_module [2019-10-13 18:20:31,736 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_module [2019-10-13 18:20:31,737 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-13 18:20:31,737 INFO L130 BoogieDeclarations]: Found specification of procedure tty_kref_put [2019-10-13 18:20:31,737 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2019-10-13 18:20:31,737 INFO L130 BoogieDeclarations]: Found specification of procedure tty_get_baud_rate [2019-10-13 18:20:31,738 INFO L130 BoogieDeclarations]: Found specification of procedure tty_encode_baud_rate [2019-10-13 18:20:31,739 INFO L130 BoogieDeclarations]: Found specification of procedure tty_termios_copy_hw [2019-10-13 18:20:31,739 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_get [2019-10-13 18:20:31,739 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_fixed_flag [2019-10-13 18:20:31,739 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string [2019-10-13 18:20:31,739 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-10-13 18:20:31,739 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2019-10-13 18:20:31,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 18:20:31,740 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-10-13 18:20:31,741 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2019-10-13 18:20:31,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 18:20:31,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 18:20:31,741 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-10-13 18:20:31,742 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-10-13 18:20:31,742 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-10-13 18:20:31,742 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2019-10-13 18:20:31,743 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2019-10-13 18:20:31,744 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2019-10-13 18:20:31,744 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-10-13 18:20:31,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 18:20:31,744 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2019-10-13 18:20:31,744 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_out [2019-10-13 18:20:31,744 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_out_r [2019-10-13 18:20:31,745 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register [2019-10-13 18:20:31,745 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2019-10-13 18:20:31,745 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_probe [2019-10-13 18:20:31,745 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2019-10-13 18:20:31,745 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_open [2019-10-13 18:20:31,745 INFO L130 BoogieDeclarations]: Found specification of procedure ir_startup [2019-10-13 18:20:31,745 INFO L130 BoogieDeclarations]: Found specification of procedure ir_open [2019-10-13 18:20:31,746 INFO L130 BoogieDeclarations]: Found specification of procedure ir_prepare_write_buffer [2019-10-13 18:20:31,746 INFO L130 BoogieDeclarations]: Found specification of procedure ir_process_read_urb [2019-10-13 18:20:31,746 INFO L130 BoogieDeclarations]: Found specification of procedure ir_set_termios [2019-10-13 18:20:31,746 INFO L130 BoogieDeclarations]: Found specification of procedure irda_usb_dump_class_desc [2019-10-13 18:20:31,746 INFO L130 BoogieDeclarations]: Found specification of procedure irda_usb_find_class_desc [2019-10-13 18:20:31,746 INFO L130 BoogieDeclarations]: Found specification of procedure ir_xbof_change [2019-10-13 18:20:31,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 18:20:31,747 INFO L130 BoogieDeclarations]: Found specification of procedure ir_set_termios_callback [2019-10-13 18:20:31,747 INFO L130 BoogieDeclarations]: Found specification of procedure ir_init [2019-10-13 18:20:31,747 INFO L130 BoogieDeclarations]: Found specification of procedure ir_exit [2019-10-13 18:20:31,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 18:20:31,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2019-10-13 18:20:31,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 18:20:31,748 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 18:20:31,748 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 18:20:31,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2019-10-13 18:20:31,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2019-10-13 18:20:31,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2019-10-13 18:20:31,750 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-13 18:20:31,751 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 18:20:31,752 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-13 18:20:31,753 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 18:20:31,753 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 18:20:31,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 18:20:31,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 18:20:31,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 18:20:31,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 18:20:31,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 18:20:32,516 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-13 18:20:32,700 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##28: assume !false; [2019-10-13 18:20:32,700 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##27: assume false; [2019-10-13 18:20:32,742 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-13 18:20:32,808 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume !false; [2019-10-13 18:20:32,808 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##24: assume false; [2019-10-13 18:20:33,207 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2019-10-13 18:20:33,239 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-13 18:20:33,270 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume !false; [2019-10-13 18:20:33,271 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume false; [2019-10-13 18:20:35,912 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-13 18:20:36,023 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##54: assume false; [2019-10-13 18:20:36,023 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##55: assume !false; [2019-10-13 18:20:36,067 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 18:20:36,068 INFO L284 CfgBuilder]: Removed 27 assume(true) statements. [2019-10-13 18:20:36,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:20:36 BoogieIcfgContainer [2019-10-13 18:20:36,070 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 18:20:36,072 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 18:20:36,072 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 18:20:36,076 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 18:20:36,077 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 06:20:29" (1/3) ... [2019-10-13 18:20:36,078 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@158f93a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:20:36, skipping insertion in model container [2019-10-13 18:20:36,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:20:31" (2/3) ... [2019-10-13 18:20:36,079 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@158f93a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:20:36, skipping insertion in model container [2019-10-13 18:20:36,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:20:36" (3/3) ... [2019-10-13 18:20:36,082 INFO L109 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i [2019-10-13 18:20:36,096 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 18:20:36,110 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 18:20:36,122 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 18:20:36,168 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 18:20:36,168 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 18:20:36,168 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 18:20:36,168 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 18:20:36,168 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 18:20:36,169 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 18:20:36,169 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 18:20:36,169 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 18:20:36,215 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states. [2019-10-13 18:20:36,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-13 18:20:36,224 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 18:20:36,225 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 18:20:36,228 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 18:20:36,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 18:20:36,235 INFO L82 PathProgramCache]: Analyzing trace with hash 921078484, now seen corresponding path program 1 times [2019-10-13 18:20:36,245 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 18:20:36,246 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736913106] [2019-10-13 18:20:36,246 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:20:36,246 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:20:36,246 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 18:20:36,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:39,843 WARN L191 SmtUtils]: Spent 2.77 s on a formula simplification that was a NOOP. DAG size: 679 [2019-10-13 18:20:39,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:40,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:40,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:40,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:40,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 18:20:40,129 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736913106] [2019-10-13 18:20:40,130 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 18:20:40,131 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 18:20:40,131 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109871551] [2019-10-13 18:20:40,136 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 18:20:40,136 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 18:20:40,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 18:20:40,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 18:20:40,155 INFO L87 Difference]: Start difference. First operand 441 states. Second operand 7 states. [2019-10-13 18:20:42,755 WARN L191 SmtUtils]: Spent 2.53 s on a formula simplification that was a NOOP. DAG size: 688 [2019-10-13 18:20:52,459 WARN L191 SmtUtils]: Spent 2.45 s on a formula simplification that was a NOOP. DAG size: 692 [2019-10-13 18:20:55,152 WARN L191 SmtUtils]: Spent 2.52 s on a formula simplification that was a NOOP. DAG size: 694 [2019-10-13 18:21:10,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 18:21:10,315 INFO L93 Difference]: Finished difference Result 1285 states and 1782 transitions. [2019-10-13 18:21:10,317 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-13 18:21:10,318 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2019-10-13 18:21:10,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 18:21:10,346 INFO L225 Difference]: With dead ends: 1285 [2019-10-13 18:21:10,347 INFO L226 Difference]: Without dead ends: 857 [2019-10-13 18:21:10,356 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 10.6s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2019-10-13 18:21:10,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 857 states.