java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block SingleStatement --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -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-fea9116 [2019-09-20 19:44:39,871 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 19:44:39,876 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 19:44:39,890 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 19:44:39,890 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 19:44:39,891 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 19:44:39,893 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 19:44:39,894 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 19:44:39,896 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 19:44:39,897 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 19:44:39,898 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 19:44:39,899 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 19:44:39,899 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 19:44:39,900 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 19:44:39,901 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 19:44:39,902 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 19:44:39,903 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 19:44:39,903 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 19:44:39,905 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 19:44:39,907 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 19:44:39,909 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 19:44:39,910 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 19:44:39,911 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 19:44:39,912 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 19:44:39,915 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 19:44:39,915 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 19:44:39,915 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 19:44:39,916 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 19:44:39,917 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 19:44:39,918 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 19:44:39,918 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 19:44:39,919 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 19:44:39,919 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 19:44:39,920 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 19:44:39,921 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 19:44:39,921 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 19:44:39,922 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 19:44:39,922 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 19:44:39,923 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 19:44:39,923 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 19:44:39,924 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 19:44:39,925 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 [2019-09-20 19:44:39,951 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 19:44:39,951 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 19:44:39,953 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 19:44:39,953 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 19:44:39,953 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 19:44:39,953 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 19:44:39,953 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 19:44:39,954 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 19:44:39,954 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 19:44:39,954 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 19:44:39,955 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 19:44:39,955 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 19:44:39,955 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 19:44:39,955 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 19:44:39,955 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 19:44:39,956 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 19:44:39,956 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 19:44:39,957 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 19:44:39,957 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 19:44:39,957 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 19:44:39,958 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 19:44:39,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 19:44:39,958 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 19:44:39,958 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 19:44:39,959 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 19:44:39,959 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 19:44:39,959 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 19:44:39,959 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 19:44:39,960 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 19:44:40,013 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 19:44:40,034 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 19:44:40,037 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 19:44:40,039 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 19:44:40,039 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 19:44:40,040 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i [2019-09-20 19:44:40,100 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b4332e7f/0586f3407bb44879930929fe71acc05f/FLAGa595c14bd [2019-09-20 19:44:40,759 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 19:44:40,760 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i [2019-09-20 19:44:40,799 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b4332e7f/0586f3407bb44879930929fe71acc05f/FLAGa595c14bd [2019-09-20 19:44:40,835 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b4332e7f/0586f3407bb44879930929fe71acc05f [2019-09-20 19:44:40,848 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 19:44:40,849 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 19:44:40,851 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 19:44:40,851 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 19:44:40,856 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 19:44:40,857 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:44:40" (1/1) ... [2019-09-20 19:44:40,860 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fa48370 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:44:40, skipping insertion in model container [2019-09-20 19:44:40,860 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:44:40" (1/1) ... [2019-09-20 19:44:40,868 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 19:44:40,980 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 19:44:42,122 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:44:42,213 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 19:44:42,521 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:44:42,616 INFO L192 MainTranslator]: Completed translation [2019-09-20 19:44:42,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:44:42 WrapperNode [2019-09-20 19:44:42,616 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 19:44:42,617 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 19:44:42,617 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 19:44:42,618 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 19:44:42,632 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:44:42" (1/1) ... [2019-09-20 19:44:42,633 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:44:42" (1/1) ... [2019-09-20 19:44:42,676 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:44:42" (1/1) ... [2019-09-20 19:44:42,677 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:44:42" (1/1) ... [2019-09-20 19:44:42,765 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:44:42" (1/1) ... [2019-09-20 19:44:42,793 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:44:42" (1/1) ... [2019-09-20 19:44:42,817 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:44:42" (1/1) ... [2019-09-20 19:44:42,837 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 19:44:42,837 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 19:44:42,838 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 19:44:42,838 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 19:44:42,839 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:44:42" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 19:44:42,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 19:44:42,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 19:44:42,921 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-20 19:44:42,921 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-09-20 19:44:42,922 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-20 19:44:42,922 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-20 19:44:42,922 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string [2019-09-20 19:44:42,922 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2019-09-20 19:44:42,922 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2019-09-20 19:44:42,923 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-09-20 19:44:42,923 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2019-09-20 19:44:42,923 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_usb_dump_class_desc [2019-09-20 19:44:42,923 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_usb_find_class_desc [2019-09-20 19:44:42,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_xbof_change [2019-09-20 19:44:42,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_startup [2019-09-20 19:44:42,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_open [2019-09-20 19:44:42,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_prepare_write_buffer [2019-09-20 19:44:42,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_process_read_urb [2019-09-20 19:44:42,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_set_termios_callback [2019-09-20 19:44:42,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_set_termios [2019-09-20 19:44:42,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_init [2019-09-20 19:44:42,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_exit [2019-09-20 19:44:42,926 INFO L138 BoogieDeclarations]: Found implementation of procedure init_module [2019-09-20 19:44:42,926 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_module [2019-09-20 19:44:42,926 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 19:44:42,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2019-09-20 19:44:42,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2019-09-20 19:44:42,927 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2019-09-20 19:44:42,927 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2019-09-20 19:44:42,927 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-09-20 19:44:42,927 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-09-20 19:44:42,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-20 19:44:42,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_out [2019-09-20 19:44:42,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_out_r [2019-09-20 19:44:42,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-20 19:44:42,928 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-09-20 19:44:42,929 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-09-20 19:44:42,929 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-09-20 19:44:42,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2019-09-20 19:44:42,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-20 19:44:42,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2019-09-20 19:44:42,930 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-20 19:44:42,930 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_encode_baud_rate [2019-09-20 19:44:42,930 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2019-09-20 19:44:42,930 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_get_baud_rate [2019-09-20 19:44:42,930 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string_fixed_flag [2019-09-20 19:44:42,931 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_kref_put [2019-09-20 19:44:42,931 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_get [2019-09-20 19:44:42,931 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_termios_copy_hw [2019-09-20 19:44:42,931 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2019-09-20 19:44:42,931 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-09-20 19:44:42,932 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-09-20 19:44:42,932 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2019-09-20 19:44:42,932 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_open [2019-09-20 19:44:42,932 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register [2019-09-20 19:44:42,932 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-09-20 19:44:42,933 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-20 19:44:42,933 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-20 19:44:42,933 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 19:44:42,933 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-20 19:44:42,934 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-09-20 19:44:42,934 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-09-20 19:44:42,934 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-20 19:44:42,934 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-09-20 19:44:42,934 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-20 19:44:42,935 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-20 19:44:42,935 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-20 19:44:42,935 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-20 19:44:42,935 INFO L130 BoogieDeclarations]: Found specification of procedure init_module [2019-09-20 19:44:42,935 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_module [2019-09-20 19:44:42,935 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-09-20 19:44:42,936 INFO L130 BoogieDeclarations]: Found specification of procedure tty_kref_put [2019-09-20 19:44:42,936 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2019-09-20 19:44:42,936 INFO L130 BoogieDeclarations]: Found specification of procedure tty_get_baud_rate [2019-09-20 19:44:42,936 INFO L130 BoogieDeclarations]: Found specification of procedure tty_encode_baud_rate [2019-09-20 19:44:42,936 INFO L130 BoogieDeclarations]: Found specification of procedure tty_termios_copy_hw [2019-09-20 19:44:42,937 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_get [2019-09-20 19:44:42,937 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_fixed_flag [2019-09-20 19:44:42,937 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string [2019-09-20 19:44:42,937 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-09-20 19:44:42,937 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2019-09-20 19:44:42,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 19:44:42,938 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-09-20 19:44:42,938 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2019-09-20 19:44:42,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 19:44:42,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 19:44:42,939 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-09-20 19:44:42,939 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-09-20 19:44:42,939 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-09-20 19:44:42,939 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2019-09-20 19:44:42,939 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2019-09-20 19:44:42,939 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2019-09-20 19:44:42,940 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-09-20 19:44:42,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 19:44:42,940 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2019-09-20 19:44:42,940 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_out [2019-09-20 19:44:42,940 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_out_r [2019-09-20 19:44:42,941 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register [2019-09-20 19:44:42,941 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2019-09-20 19:44:42,941 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_probe [2019-09-20 19:44:42,941 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2019-09-20 19:44:42,941 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_open [2019-09-20 19:44:42,941 INFO L130 BoogieDeclarations]: Found specification of procedure ir_startup [2019-09-20 19:44:42,942 INFO L130 BoogieDeclarations]: Found specification of procedure ir_open [2019-09-20 19:44:42,942 INFO L130 BoogieDeclarations]: Found specification of procedure ir_prepare_write_buffer [2019-09-20 19:44:42,942 INFO L130 BoogieDeclarations]: Found specification of procedure ir_process_read_urb [2019-09-20 19:44:42,942 INFO L130 BoogieDeclarations]: Found specification of procedure ir_set_termios [2019-09-20 19:44:42,942 INFO L130 BoogieDeclarations]: Found specification of procedure irda_usb_dump_class_desc [2019-09-20 19:44:42,942 INFO L130 BoogieDeclarations]: Found specification of procedure irda_usb_find_class_desc [2019-09-20 19:44:42,943 INFO L130 BoogieDeclarations]: Found specification of procedure ir_xbof_change [2019-09-20 19:44:42,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 19:44:42,943 INFO L130 BoogieDeclarations]: Found specification of procedure ir_set_termios_callback [2019-09-20 19:44:42,943 INFO L130 BoogieDeclarations]: Found specification of procedure ir_init [2019-09-20 19:44:42,943 INFO L130 BoogieDeclarations]: Found specification of procedure ir_exit [2019-09-20 19:44:42,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-20 19:44:42,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2019-09-20 19:44:42,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-20 19:44:42,944 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 19:44:42,944 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 19:44:42,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2019-09-20 19:44:42,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2019-09-20 19:44:42,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2019-09-20 19:44:42,945 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-20 19:44:42,945 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-20 19:44:42,945 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-20 19:44:42,945 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 19:44:42,946 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 19:44:42,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 19:44:42,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 19:44:42,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 19:44:42,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 19:44:42,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 19:44:43,620 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 19:44:43,802 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##28: assume !false; [2019-09-20 19:44:43,802 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##27: assume false; [2019-09-20 19:44:43,845 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 19:44:43,907 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume !false; [2019-09-20 19:44:43,907 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##24: assume false; [2019-09-20 19:44:44,376 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2019-09-20 19:44:44,383 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 19:44:44,405 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume !false; [2019-09-20 19:44:44,405 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume false; [2019-09-20 19:44:45,207 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 19:44:45,390 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##54: assume false; [2019-09-20 19:44:45,391 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##55: assume !false; [2019-09-20 19:44:45,427 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 19:44:45,428 INFO L283 CfgBuilder]: Removed 27 assume(true) statements. [2019-09-20 19:44:45,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:44:45 BoogieIcfgContainer [2019-09-20 19:44:45,430 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 19:44:45,431 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 19:44:45,431 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 19:44:45,432 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 19:44:45,433 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:44:45" (1/1) ... [2019-09-20 19:44:45,433 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 19:44:45,462 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 19:44:45,462 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 19:44:45,481 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 19:44:45,493 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 19:44:45,494 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 19:44:46,246 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-09-20 19:44:46,581 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 75 [2019-09-20 19:44:46,726 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-09-20 19:44:47,056 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 90 [2019-09-20 19:44:47,509 WARN L191 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2019-09-20 19:44:47,858 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 105 [2019-09-20 19:44:48,835 WARN L191 SmtUtils]: Spent 882.00 ms on a formula simplification that was a NOOP. DAG size: 315 [2019-09-20 19:44:50,109 WARN L191 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 330 DAG size of output: 310 [2019-09-20 19:44:54,251 WARN L191 SmtUtils]: Spent 3.99 s on a formula simplification. DAG size of input: 538 DAG size of output: 524 [2019-09-20 19:44:57,877 WARN L191 SmtUtils]: Spent 3.48 s on a formula simplification. DAG size of input: 544 DAG size of output: 521 [2019-09-20 19:45:02,555 WARN L191 SmtUtils]: Spent 4.52 s on a formula simplification. DAG size of input: 575 DAG size of output: 554 [2019-09-20 19:45:06,471 WARN L191 SmtUtils]: Spent 3.77 s on a formula simplification. DAG size of input: 576 DAG size of output: 549 [2019-09-20 19:45:17,501 WARN L191 SmtUtils]: Spent 10.77 s on a formula simplification. DAG size of input: 966 DAG size of output: 929