./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5574142529d95f295134c1dccd4c5dbe0383ae5c309e7dc50fd933e5702659ed --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:20:35,841 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:20:35,844 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:20:35,898 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:20:35,899 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:20:35,904 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:20:35,906 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:20:35,910 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:20:35,913 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:20:35,919 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:20:35,920 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:20:35,922 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:20:35,922 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:20:35,925 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:20:35,927 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:20:35,931 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:20:35,933 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:20:35,934 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:20:35,936 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:20:35,944 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:20:35,946 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:20:35,948 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:20:35,951 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:20:35,952 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:20:35,961 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:20:35,962 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:20:35,962 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:20:35,964 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:20:35,965 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:20:35,967 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:20:35,967 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:20:35,968 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:20:35,970 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:20:35,971 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:20:35,973 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:20:35,973 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:20:35,974 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:20:35,975 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:20:35,975 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:20:35,976 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:20:35,977 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:20:35,978 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-20 06:20:36,019 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:20:36,020 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:20:36,020 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:20:36,021 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:20:36,028 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 06:20:36,029 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 06:20:36,029 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:20:36,030 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:20:36,030 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:20:36,030 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:20:36,031 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:20:36,032 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:20:36,032 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 06:20:36,032 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 06:20:36,033 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 06:20:36,033 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:20:36,033 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:20:36,034 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 06:20:36,034 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:20:36,034 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:20:36,034 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 06:20:36,035 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:20:36,035 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:20:36,035 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 06:20:36,036 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 06:20:36,036 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:20:36,036 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 06:20:36,037 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 06:20:36,037 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 06:20:36,038 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 06:20:36,039 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:20:36,039 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5574142529d95f295134c1dccd4c5dbe0383ae5c309e7dc50fd933e5702659ed [2021-11-20 06:20:36,376 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:20:36,407 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:20:36,410 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:20:36,411 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:20:36,413 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:20:36,414 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i [2021-11-20 06:20:36,488 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/data/81a3cd3ef/926edfc4736c47bba41051fe44bbf3b1/FLAG6eb23fda7 [2021-11-20 06:20:37,382 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:20:37,384 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i [2021-11-20 06:20:37,431 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/data/81a3cd3ef/926edfc4736c47bba41051fe44bbf3b1/FLAG6eb23fda7 [2021-11-20 06:20:37,800 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/data/81a3cd3ef/926edfc4736c47bba41051fe44bbf3b1 [2021-11-20 06:20:37,802 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:20:37,803 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:20:37,814 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:20:37,814 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:20:37,818 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:20:37,819 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:20:37" (1/1) ... [2021-11-20 06:20:37,820 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ff36856 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:20:37, skipping insertion in model container [2021-11-20 06:20:37,820 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:20:37" (1/1) ... [2021-11-20 06:20:37,825 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:20:37,995 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:20:40,821 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273031,273044] [2021-11-20 06:20:40,824 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273176,273189] [2021-11-20 06:20:40,824 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273322,273335] [2021-11-20 06:20:40,825 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273487,273500] [2021-11-20 06:20:40,826 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273645,273658] [2021-11-20 06:20:40,826 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273803,273816] [2021-11-20 06:20:40,827 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273961,273974] [2021-11-20 06:20:40,827 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274121,274134] [2021-11-20 06:20:40,828 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274280,274293] [2021-11-20 06:20:40,828 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274419,274432] [2021-11-20 06:20:40,829 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274561,274574] [2021-11-20 06:20:40,830 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274710,274723] [2021-11-20 06:20:40,830 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274849,274862] [2021-11-20 06:20:40,831 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275004,275017] [2021-11-20 06:20:40,831 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275164,275177] [2021-11-20 06:20:40,832 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275315,275328] [2021-11-20 06:20:40,832 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275466,275479] [2021-11-20 06:20:40,833 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275618,275631] [2021-11-20 06:20:40,833 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275767,275780] [2021-11-20 06:20:40,834 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275915,275928] [2021-11-20 06:20:40,834 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276072,276085] [2021-11-20 06:20:40,835 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276221,276234] [2021-11-20 06:20:40,835 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276377,276390] [2021-11-20 06:20:40,836 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276530,276543] [2021-11-20 06:20:40,836 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276676,276689] [2021-11-20 06:20:40,837 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276819,276832] [2021-11-20 06:20:40,837 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276971,276984] [2021-11-20 06:20:40,838 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277117,277130] [2021-11-20 06:20:40,838 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277262,277275] [2021-11-20 06:20:40,839 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277416,277429] [2021-11-20 06:20:40,840 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277567,277580] [2021-11-20 06:20:40,840 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277722,277735] [2021-11-20 06:20:40,841 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277874,277887] [2021-11-20 06:20:40,841 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278029,278042] [2021-11-20 06:20:40,842 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278193,278206] [2021-11-20 06:20:40,842 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278349,278362] [2021-11-20 06:20:40,843 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278513,278526] [2021-11-20 06:20:40,843 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278655,278668] [2021-11-20 06:20:40,844 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278813,278826] [2021-11-20 06:20:40,844 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278980,278993] [2021-11-20 06:20:40,845 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279139,279152] [2021-11-20 06:20:40,845 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279298,279311] [2021-11-20 06:20:40,846 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279447,279460] [2021-11-20 06:20:40,846 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279594,279607] [2021-11-20 06:20:40,847 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279733,279746] [2021-11-20 06:20:40,847 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279896,279909] [2021-11-20 06:20:40,848 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280062,280075] [2021-11-20 06:20:40,848 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280226,280239] [2021-11-20 06:20:40,849 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280391,280404] [2021-11-20 06:20:40,850 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280556,280569] [2021-11-20 06:20:40,850 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280722,280735] [2021-11-20 06:20:40,851 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280887,280900] [2021-11-20 06:20:40,851 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281054,281067] [2021-11-20 06:20:40,852 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281214,281227] [2021-11-20 06:20:40,852 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281376,281389] [2021-11-20 06:20:40,855 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281535,281548] [2021-11-20 06:20:40,856 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281681,281694] [2021-11-20 06:20:40,857 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281824,281837] [2021-11-20 06:20:40,857 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281968,281981] [2021-11-20 06:20:40,858 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282111,282124] [2021-11-20 06:20:40,859 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282255,282268] [2021-11-20 06:20:40,860 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282396,282409] [2021-11-20 06:20:40,861 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282534,282547] [2021-11-20 06:20:40,864 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282692,282705] [2021-11-20 06:20:40,865 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282851,282864] [2021-11-20 06:20:40,865 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283007,283020] [2021-11-20 06:20:40,866 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283156,283169] [2021-11-20 06:20:40,867 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283308,283321] [2021-11-20 06:20:40,867 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283459,283472] [2021-11-20 06:20:40,868 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283608,283621] [2021-11-20 06:20:40,868 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283760,283773] [2021-11-20 06:20:40,869 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283908,283921] [2021-11-20 06:20:40,869 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284061,284074] [2021-11-20 06:20:40,869 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284212,284225] [2021-11-20 06:20:40,870 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284362,284375] [2021-11-20 06:20:40,870 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284509,284522] [2021-11-20 06:20:40,871 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284660,284673] [2021-11-20 06:20:40,871 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284811,284824] [2021-11-20 06:20:40,872 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284959,284972] [2021-11-20 06:20:40,872 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285125,285138] [2021-11-20 06:20:40,873 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285294,285307] [2021-11-20 06:20:40,873 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285461,285474] [2021-11-20 06:20:40,873 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285629,285642] [2021-11-20 06:20:40,874 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285779,285792] [2021-11-20 06:20:40,875 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285926,285939] [2021-11-20 06:20:40,875 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286087,286100] [2021-11-20 06:20:40,876 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286257,286270] [2021-11-20 06:20:40,876 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286419,286432] [2021-11-20 06:20:40,885 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:20:40,919 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:20:41,221 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273031,273044] [2021-11-20 06:20:41,223 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273176,273189] [2021-11-20 06:20:41,223 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273322,273335] [2021-11-20 06:20:41,224 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273487,273500] [2021-11-20 06:20:41,225 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273645,273658] [2021-11-20 06:20:41,226 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273803,273816] [2021-11-20 06:20:41,227 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273961,273974] [2021-11-20 06:20:41,229 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274121,274134] [2021-11-20 06:20:41,234 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274280,274293] [2021-11-20 06:20:41,235 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274419,274432] [2021-11-20 06:20:41,235 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274561,274574] [2021-11-20 06:20:41,236 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274710,274723] [2021-11-20 06:20:41,236 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274849,274862] [2021-11-20 06:20:41,236 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275004,275017] [2021-11-20 06:20:41,237 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275164,275177] [2021-11-20 06:20:41,238 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275315,275328] [2021-11-20 06:20:41,238 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275466,275479] [2021-11-20 06:20:41,238 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275618,275631] [2021-11-20 06:20:41,239 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275767,275780] [2021-11-20 06:20:41,239 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275915,275928] [2021-11-20 06:20:41,241 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276072,276085] [2021-11-20 06:20:41,241 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276221,276234] [2021-11-20 06:20:41,242 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276377,276390] [2021-11-20 06:20:41,243 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276530,276543] [2021-11-20 06:20:41,244 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276676,276689] [2021-11-20 06:20:41,244 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276819,276832] [2021-11-20 06:20:41,244 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276971,276984] [2021-11-20 06:20:41,245 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277117,277130] [2021-11-20 06:20:41,245 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277262,277275] [2021-11-20 06:20:41,246 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277416,277429] [2021-11-20 06:20:41,246 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277567,277580] [2021-11-20 06:20:41,246 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277722,277735] [2021-11-20 06:20:41,247 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277874,277887] [2021-11-20 06:20:41,247 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278029,278042] [2021-11-20 06:20:41,248 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278193,278206] [2021-11-20 06:20:41,248 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278349,278362] [2021-11-20 06:20:41,249 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278513,278526] [2021-11-20 06:20:41,249 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278655,278668] [2021-11-20 06:20:41,250 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278813,278826] [2021-11-20 06:20:41,250 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278980,278993] [2021-11-20 06:20:41,252 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279139,279152] [2021-11-20 06:20:41,253 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279298,279311] [2021-11-20 06:20:41,253 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279447,279460] [2021-11-20 06:20:41,254 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279594,279607] [2021-11-20 06:20:41,255 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279733,279746] [2021-11-20 06:20:41,255 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279896,279909] [2021-11-20 06:20:41,256 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280062,280075] [2021-11-20 06:20:41,257 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280226,280239] [2021-11-20 06:20:41,259 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280391,280404] [2021-11-20 06:20:41,260 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280556,280569] [2021-11-20 06:20:41,261 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280722,280735] [2021-11-20 06:20:41,261 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280887,280900] [2021-11-20 06:20:41,263 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281054,281067] [2021-11-20 06:20:41,264 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281214,281227] [2021-11-20 06:20:41,264 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281376,281389] [2021-11-20 06:20:41,265 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281535,281548] [2021-11-20 06:20:41,265 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281681,281694] [2021-11-20 06:20:41,265 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281824,281837] [2021-11-20 06:20:41,266 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281968,281981] [2021-11-20 06:20:41,266 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282111,282124] [2021-11-20 06:20:41,266 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282255,282268] [2021-11-20 06:20:41,267 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282396,282409] [2021-11-20 06:20:41,267 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282534,282547] [2021-11-20 06:20:41,267 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282692,282705] [2021-11-20 06:20:41,268 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282851,282864] [2021-11-20 06:20:41,268 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283007,283020] [2021-11-20 06:20:41,268 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283156,283169] [2021-11-20 06:20:41,269 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283308,283321] [2021-11-20 06:20:41,269 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283459,283472] [2021-11-20 06:20:41,270 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283608,283621] [2021-11-20 06:20:41,270 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283760,283773] [2021-11-20 06:20:41,270 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283908,283921] [2021-11-20 06:20:41,270 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284061,284074] [2021-11-20 06:20:41,271 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284212,284225] [2021-11-20 06:20:41,271 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284362,284375] [2021-11-20 06:20:41,271 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284509,284522] [2021-11-20 06:20:41,271 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284660,284673] [2021-11-20 06:20:41,272 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284811,284824] [2021-11-20 06:20:41,272 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284959,284972] [2021-11-20 06:20:41,272 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285125,285138] [2021-11-20 06:20:41,273 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285294,285307] [2021-11-20 06:20:41,273 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285461,285474] [2021-11-20 06:20:41,273 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285629,285642] [2021-11-20 06:20:41,274 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285779,285792] [2021-11-20 06:20:41,274 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285926,285939] [2021-11-20 06:20:41,274 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286087,286100] [2021-11-20 06:20:41,275 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286257,286270] [2021-11-20 06:20:41,275 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286419,286432] [2021-11-20 06:20:41,278 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:20:41,447 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:20:41,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:20:41 WrapperNode [2021-11-20 06:20:41,448 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:20:41,449 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:20:41,449 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:20:41,450 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:20:41,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:20:41" (1/1) ... [2021-11-20 06:20:41,586 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:20:41" (1/1) ... [2021-11-20 06:20:41,757 INFO L137 Inliner]: procedures = 526, calls = 1327, calls flagged for inlining = 223, calls inlined = 134, statements flattened = 2372 [2021-11-20 06:20:41,758 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:20:41,759 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:20:41,759 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:20:41,759 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:20:41,768 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:20:41" (1/1) ... [2021-11-20 06:20:41,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:20:41" (1/1) ... [2021-11-20 06:20:41,789 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:20:41" (1/1) ... [2021-11-20 06:20:41,789 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:20:41" (1/1) ... [2021-11-20 06:20:41,866 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:20:41" (1/1) ... [2021-11-20 06:20:41,877 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:20:41" (1/1) ... [2021-11-20 06:20:41,897 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:20:41" (1/1) ... [2021-11-20 06:20:41,927 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:20:41,928 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:20:41,928 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:20:41,928 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:20:41,929 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:20:41" (1/1) ... [2021-11-20 06:20:41,937 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:20:41,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:20:41,963 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 06:20:41,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 06:20:42,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-11-20 06:20:42,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-11-20 06:20:42,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-20 06:20:42,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-20 06:20:42,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-20 06:20:42,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-20 06:20:42,013 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-11-20 06:20:42,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-11-20 06:20:42,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-20 06:20:42,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-20 06:20:42,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-11-20 06:20:42,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-11-20 06:20:42,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-11-20 06:20:42,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-11-20 06:20:42,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_read_buffer_lock_of_lego_usb_tower [2021-11-20 06:20:42,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_read_buffer_lock_of_lego_usb_tower [2021-11-20 06:20:42,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-20 06:20:42,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-20 06:20:42,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-20 06:20:42,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-20 06:20:42,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-11-20 06:20:42,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-11-20 06:20:42,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 06:20:42,017 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-20 06:20:42,017 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-20 06:20:42,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-11-20 06:20:42,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-11-20 06:20:42,018 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-20 06:20:42,018 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-20 06:20:42,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-20 06:20:42,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-11-20 06:20:42,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-11-20 06:20:42,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-20 06:20:42,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-20 06:20:42,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_112 [2021-11-20 06:20:42,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_112 [2021-11-20 06:20:42,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-20 06:20:42,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-20 06:20:42,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 06:20:42,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-11-20 06:20:42,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-11-20 06:20:42,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-20 06:20:42,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-20 06:20:42,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-11-20 06:20:42,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-11-20 06:20:42,020 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-11-20 06:20:42,020 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-11-20 06:20:42,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-20 06:20:42,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-20 06:20:42,020 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2021-11-20 06:20:42,021 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2021-11-20 06:20:42,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-11-20 06:20:42,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-11-20 06:20:42,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_open_disc_mutex [2021-11-20 06:20:42,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_open_disc_mutex [2021-11-20 06:20:42,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_lock_of_lego_usb_tower [2021-11-20 06:20:42,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_lock_of_lego_usb_tower [2021-11-20 06:20:42,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-20 06:20:42,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-20 06:20:42,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 06:20:42,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 06:20:42,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-20 06:20:42,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-20 06:20:42,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 06:20:42,023 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-11-20 06:20:42,023 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-11-20 06:20:42,023 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-20 06:20:42,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-20 06:20:42,023 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-11-20 06:20:42,023 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-11-20 06:20:42,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_irq_check_alloc_flags [2021-11-20 06:20:42,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_irq_check_alloc_flags [2021-11-20 06:20:42,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-11-20 06:20:42,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-11-20 06:20:42,028 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-20 06:20:42,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-20 06:20:42,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_open_disc_mutex [2021-11-20 06:20:42,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_open_disc_mutex [2021-11-20 06:20:42,028 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2021-11-20 06:20:42,028 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2021-11-20 06:20:42,028 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-11-20 06:20:42,029 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-11-20 06:20:42,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:20:42,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:20:42,035 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-11-20 06:20:42,035 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-11-20 06:20:42,035 INFO L130 BoogieDeclarations]: Found specification of procedure tower_disconnect [2021-11-20 06:20:42,035 INFO L138 BoogieDeclarations]: Found implementation of procedure tower_disconnect [2021-11-20 06:20:42,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-20 06:20:42,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-20 06:20:42,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-20 06:20:42,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-20 06:20:42,036 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2021-11-20 06:20:42,036 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2021-11-20 06:20:42,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-11-20 06:20:42,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-11-20 06:20:42,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_free_urb [2021-11-20 06:20:42,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_free_urb [2021-11-20 06:20:42,036 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2021-11-20 06:20:42,036 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2021-11-20 06:20:42,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-11-20 06:20:42,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-11-20 06:20:42,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_lock_of_lego_usb_tower [2021-11-20 06:20:42,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_lock_of_lego_usb_tower [2021-11-20 06:20:42,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 06:20:42,038 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-20 06:20:42,038 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-20 06:20:42,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-20 06:20:42,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-20 06:20:42,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 06:20:42,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 06:20:42,038 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-20 06:20:42,039 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-20 06:20:42,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-20 06:20:42,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-20 06:20:42,039 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-11-20 06:20:42,039 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-11-20 06:20:42,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-20 06:20:42,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-20 06:20:42,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_lock_of_lego_usb_tower [2021-11-20 06:20:42,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_lock_of_lego_usb_tower [2021-11-20 06:20:42,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2021-11-20 06:20:42,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2021-11-20 06:20:42,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_alloc_urb [2021-11-20 06:20:42,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_alloc_urb [2021-11-20 06:20:42,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-20 06:20:42,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-20 06:20:42,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-20 06:20:42,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-20 06:20:42,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-11-20 06:20:42,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-11-20 06:20:42,042 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-11-20 06:20:42,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-11-20 06:20:42,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-20 06:20:42,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-20 06:20:42,042 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2021-11-20 06:20:42,042 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2021-11-20 06:20:42,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_read_buffer_lock_of_lego_usb_tower [2021-11-20 06:20:42,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_read_buffer_lock_of_lego_usb_tower [2021-11-20 06:20:42,043 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-20 06:20:42,043 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-20 06:20:42,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-20 06:20:42,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-20 06:20:42,043 INFO L130 BoogieDeclarations]: Found specification of procedure tower_delete [2021-11-20 06:20:42,043 INFO L138 BoogieDeclarations]: Found implementation of procedure tower_delete [2021-11-20 06:20:42,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 06:20:42,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-20 06:20:42,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-20 06:20:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-20 06:20:42,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-20 06:20:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-20 06:20:42,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-20 06:20:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-20 06:20:42,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-20 06:20:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-20 06:20:42,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-20 06:20:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-20 06:20:42,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-20 06:20:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure tower_check_for_read_packet [2021-11-20 06:20:42,045 INFO L138 BoogieDeclarations]: Found implementation of procedure tower_check_for_read_packet [2021-11-20 06:20:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 06:20:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure tower_abort_transfers [2021-11-20 06:20:42,045 INFO L138 BoogieDeclarations]: Found implementation of procedure tower_abort_transfers [2021-11-20 06:20:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_111 [2021-11-20 06:20:42,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_111 [2021-11-20 06:20:42,582 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:20:42,585 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:20:42,862 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-20 06:20:46,263 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:20:46,290 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:20:46,291 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-20 06:20:46,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:20:46 BoogieIcfgContainer [2021-11-20 06:20:46,295 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:20:46,297 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 06:20:46,297 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 06:20:46,301 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 06:20:46,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:20:37" (1/3) ... [2021-11-20 06:20:46,302 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36810726 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:20:46, skipping insertion in model container [2021-11-20 06:20:46,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:20:41" (2/3) ... [2021-11-20 06:20:46,302 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36810726 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:20:46, skipping insertion in model container [2021-11-20 06:20:46,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:20:46" (3/3) ... [2021-11-20 06:20:46,304 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i [2021-11-20 06:20:46,309 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 06:20:46,310 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2021-11-20 06:20:46,365 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 06:20:46,371 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 06:20:46,371 INFO L340 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2021-11-20 06:20:46,423 INFO L276 IsEmpty]: Start isEmpty. Operand has 988 states, 642 states have (on average 1.2819314641744548) internal successors, (823), 687 states have internal predecessors, (823), 240 states have call successors, (240), 76 states have call predecessors, (240), 75 states have return successors, (235), 232 states have call predecessors, (235), 235 states have call successors, (235) [2021-11-20 06:20:46,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-20 06:20:46,436 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:20:46,436 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:20:46,437 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-20 06:20:46,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:20:46,443 INFO L85 PathProgramCache]: Analyzing trace with hash 248613159, now seen corresponding path program 1 times [2021-11-20 06:20:46,453 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:20:46,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714959419] [2021-11-20 06:20:46,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:20:46,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:20:46,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:47,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:20:47,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:47,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 06:20:47,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:47,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:20:47,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:47,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:20:47,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:47,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-20 06:20:47,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:47,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-20 06:20:47,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:47,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-11-20 06:20:47,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:47,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:20:47,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:47,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-11-20 06:20:47,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:47,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-20 06:20:47,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:47,366 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-20 06:20:47,367 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:20:47,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714959419] [2021-11-20 06:20:47,368 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714959419] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:20:47,368 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:20:47,368 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 06:20:47,370 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141507693] [2021-11-20 06:20:47,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:20:47,375 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:20:47,375 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:20:47,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:20:47,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:20:47,408 INFO L87 Difference]: Start difference. First operand has 988 states, 642 states have (on average 1.2819314641744548) internal successors, (823), 687 states have internal predecessors, (823), 240 states have call successors, (240), 76 states have call predecessors, (240), 75 states have return successors, (235), 232 states have call predecessors, (235), 235 states have call successors, (235) Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-20 06:20:50,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:20:50,382 INFO L93 Difference]: Finished difference Result 1927 states and 2626 transitions. [2021-11-20 06:20:50,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 06:20:50,384 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 71 [2021-11-20 06:20:50,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:20:50,406 INFO L225 Difference]: With dead ends: 1927 [2021-11-20 06:20:50,406 INFO L226 Difference]: Without dead ends: 970 [2021-11-20 06:20:50,421 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:20:50,424 INFO L933 BasicCegarLoop]: 1213 mSDtfsCounter, 1656 mSDsluCounter, 1740 mSDsCounter, 0 mSdLazyCounter, 823 mSolverCounterSat, 670 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1834 SdHoareTripleChecker+Valid, 2953 SdHoareTripleChecker+Invalid, 1493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 670 IncrementalHoareTripleChecker+Valid, 823 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-11-20 06:20:50,425 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1834 Valid, 2953 Invalid, 1493 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [670 Valid, 823 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-11-20 06:20:50,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 970 states. [2021-11-20 06:20:50,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 970 to 970. [2021-11-20 06:20:50,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 970 states, 632 states have (on average 1.2294303797468353) internal successors, (777), 672 states have internal predecessors, (777), 235 states have call successors, (235), 75 states have call predecessors, (235), 74 states have return successors, (233), 230 states have call predecessors, (233), 233 states have call successors, (233) [2021-11-20 06:20:50,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 970 states to 970 states and 1245 transitions. [2021-11-20 06:20:50,639 INFO L78 Accepts]: Start accepts. Automaton has 970 states and 1245 transitions. Word has length 71 [2021-11-20 06:20:50,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:20:50,645 INFO L470 AbstractCegarLoop]: Abstraction has 970 states and 1245 transitions. [2021-11-20 06:20:50,645 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-20 06:20:50,646 INFO L276 IsEmpty]: Start isEmpty. Operand 970 states and 1245 transitions. [2021-11-20 06:20:50,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-20 06:20:50,654 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:20:50,655 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:20:50,655 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 06:20:50,655 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-20 06:20:50,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:20:50,656 INFO L85 PathProgramCache]: Analyzing trace with hash 544752548, now seen corresponding path program 1 times [2021-11-20 06:20:50,656 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:20:50,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806860421] [2021-11-20 06:20:50,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:20:50,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:20:50,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:50,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:20:50,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:50,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 06:20:50,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:50,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:20:50,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:50,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:20:50,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:50,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-20 06:20:50,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:50,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-20 06:20:50,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:50,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-11-20 06:20:50,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:50,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:20:50,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:50,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-11-20 06:20:50,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:50,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-20 06:20:51,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:51,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-20 06:20:51,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:51,021 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-20 06:20:51,021 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:20:51,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806860421] [2021-11-20 06:20:51,021 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806860421] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:20:51,022 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:20:51,022 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 06:20:51,022 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835320828] [2021-11-20 06:20:51,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:20:51,024 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:20:51,024 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:20:51,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:20:51,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:20:51,026 INFO L87 Difference]: Start difference. First operand 970 states and 1245 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-20 06:20:53,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:20:53,385 INFO L93 Difference]: Finished difference Result 970 states and 1245 transitions. [2021-11-20 06:20:53,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 06:20:53,396 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 77 [2021-11-20 06:20:53,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:20:53,403 INFO L225 Difference]: With dead ends: 970 [2021-11-20 06:20:53,403 INFO L226 Difference]: Without dead ends: 968 [2021-11-20 06:20:53,404 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:20:53,405 INFO L933 BasicCegarLoop]: 1193 mSDtfsCounter, 1622 mSDsluCounter, 1718 mSDsCounter, 0 mSdLazyCounter, 811 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1797 SdHoareTripleChecker+Valid, 2911 SdHoareTripleChecker+Invalid, 1471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-20 06:20:53,406 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1797 Valid, 2911 Invalid, 1471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 811 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-20 06:20:53,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 968 states. [2021-11-20 06:20:53,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 968 to 968. [2021-11-20 06:20:53,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 968 states, 631 states have (on average 1.2282091917591125) internal successors, (775), 670 states have internal predecessors, (775), 235 states have call successors, (235), 75 states have call predecessors, (235), 74 states have return successors, (233), 230 states have call predecessors, (233), 233 states have call successors, (233) [2021-11-20 06:20:53,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 968 states to 968 states and 1243 transitions. [2021-11-20 06:20:53,483 INFO L78 Accepts]: Start accepts. Automaton has 968 states and 1243 transitions. Word has length 77 [2021-11-20 06:20:53,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:20:53,484 INFO L470 AbstractCegarLoop]: Abstraction has 968 states and 1243 transitions. [2021-11-20 06:20:53,484 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-20 06:20:53,484 INFO L276 IsEmpty]: Start isEmpty. Operand 968 states and 1243 transitions. [2021-11-20 06:20:53,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-20 06:20:53,488 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:20:53,488 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:20:53,489 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 06:20:53,489 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-20 06:20:53,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:20:53,489 INFO L85 PathProgramCache]: Analyzing trace with hash -1429765362, now seen corresponding path program 1 times [2021-11-20 06:20:53,490 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:20:53,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787567336] [2021-11-20 06:20:53,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:20:53,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:20:53,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:53,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:20:53,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:53,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 06:20:53,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:53,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:20:53,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:53,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:20:53,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:53,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-20 06:20:53,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:53,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-20 06:20:53,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:53,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-11-20 06:20:53,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:53,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:20:53,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:53,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-11-20 06:20:53,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:53,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-20 06:20:53,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:53,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-20 06:20:53,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:53,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-20 06:20:53,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:53,751 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-20 06:20:53,751 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:20:53,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787567336] [2021-11-20 06:20:53,752 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787567336] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:20:53,752 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:20:53,752 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 06:20:53,752 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380440525] [2021-11-20 06:20:53,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:20:53,753 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:20:53,753 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:20:53,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:20:53,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:20:53,754 INFO L87 Difference]: Start difference. First operand 968 states and 1243 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-20 06:20:56,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:20:56,562 INFO L93 Difference]: Finished difference Result 968 states and 1243 transitions. [2021-11-20 06:20:56,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 06:20:56,563 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 83 [2021-11-20 06:20:56,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:20:56,577 INFO L225 Difference]: With dead ends: 968 [2021-11-20 06:20:56,577 INFO L226 Difference]: Without dead ends: 966 [2021-11-20 06:20:56,578 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:20:56,581 INFO L933 BasicCegarLoop]: 1191 mSDtfsCounter, 1616 mSDsluCounter, 1718 mSDsCounter, 0 mSdLazyCounter, 809 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1790 SdHoareTripleChecker+Valid, 2909 SdHoareTripleChecker+Invalid, 1469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 809 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-20 06:20:56,583 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1790 Valid, 2909 Invalid, 1469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 809 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-11-20 06:20:56,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 966 states. [2021-11-20 06:20:56,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 966 to 966. [2021-11-20 06:20:56,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 966 states, 630 states have (on average 1.226984126984127) internal successors, (773), 668 states have internal predecessors, (773), 235 states have call successors, (235), 75 states have call predecessors, (235), 74 states have return successors, (233), 230 states have call predecessors, (233), 233 states have call successors, (233) [2021-11-20 06:20:56,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 966 states and 1241 transitions. [2021-11-20 06:20:56,663 INFO L78 Accepts]: Start accepts. Automaton has 966 states and 1241 transitions. Word has length 83 [2021-11-20 06:20:56,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:20:56,665 INFO L470 AbstractCegarLoop]: Abstraction has 966 states and 1241 transitions. [2021-11-20 06:20:56,667 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-20 06:20:56,667 INFO L276 IsEmpty]: Start isEmpty. Operand 966 states and 1241 transitions. [2021-11-20 06:20:56,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-20 06:20:56,673 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:20:56,673 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:20:56,674 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 06:20:56,674 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-20 06:20:56,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:20:56,674 INFO L85 PathProgramCache]: Analyzing trace with hash -454572405, now seen corresponding path program 1 times [2021-11-20 06:20:56,675 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:20:56,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553819740] [2021-11-20 06:20:56,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:20:56,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:20:56,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:56,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:20:56,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:56,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 06:20:56,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:56,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:20:56,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:56,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:20:56,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:56,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-20 06:20:56,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:56,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-20 06:20:56,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:56,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-11-20 06:20:56,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:56,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:20:56,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:56,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-11-20 06:20:56,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:56,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-20 06:20:56,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:56,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-20 06:20:56,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:56,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-20 06:20:56,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:56,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-20 06:20:56,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:56,995 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-20 06:20:56,995 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:20:56,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553819740] [2021-11-20 06:20:56,996 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553819740] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:20:56,996 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:20:56,996 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 06:20:56,996 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367876571] [2021-11-20 06:20:56,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:20:56,998 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:20:56,998 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:20:56,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:20:56,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:20:56,999 INFO L87 Difference]: Start difference. First operand 966 states and 1241 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-20 06:20:59,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:20:59,438 INFO L93 Difference]: Finished difference Result 966 states and 1241 transitions. [2021-11-20 06:20:59,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 06:20:59,439 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 89 [2021-11-20 06:20:59,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:20:59,453 INFO L225 Difference]: With dead ends: 966 [2021-11-20 06:20:59,453 INFO L226 Difference]: Without dead ends: 964 [2021-11-20 06:20:59,454 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:20:59,457 INFO L933 BasicCegarLoop]: 1189 mSDtfsCounter, 1610 mSDsluCounter, 1718 mSDsCounter, 0 mSdLazyCounter, 807 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1783 SdHoareTripleChecker+Valid, 2907 SdHoareTripleChecker+Invalid, 1467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 807 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-20 06:20:59,460 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1783 Valid, 2907 Invalid, 1467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 807 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-20 06:20:59,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 964 states. [2021-11-20 06:20:59,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 964 to 964. [2021-11-20 06:20:59,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 964 states, 629 states have (on average 1.2257551669316376) internal successors, (771), 666 states have internal predecessors, (771), 235 states have call successors, (235), 75 states have call predecessors, (235), 74 states have return successors, (233), 230 states have call predecessors, (233), 233 states have call successors, (233) [2021-11-20 06:20:59,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 964 states and 1239 transitions. [2021-11-20 06:20:59,522 INFO L78 Accepts]: Start accepts. Automaton has 964 states and 1239 transitions. Word has length 89 [2021-11-20 06:20:59,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:20:59,523 INFO L470 AbstractCegarLoop]: Abstraction has 964 states and 1239 transitions. [2021-11-20 06:20:59,523 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-20 06:20:59,523 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1239 transitions. [2021-11-20 06:20:59,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-20 06:20:59,525 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:20:59,526 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:20:59,526 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 06:20:59,526 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-20 06:20:59,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:20:59,527 INFO L85 PathProgramCache]: Analyzing trace with hash -1517419958, now seen corresponding path program 1 times [2021-11-20 06:20:59,527 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:20:59,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135282324] [2021-11-20 06:20:59,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:20:59,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:20:59,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:59,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:20:59,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:59,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 06:20:59,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:59,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:20:59,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:59,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:20:59,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:59,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-20 06:20:59,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:59,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-20 06:20:59,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:59,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-11-20 06:20:59,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:59,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:20:59,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:59,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-11-20 06:20:59,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:59,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-20 06:20:59,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:59,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-20 06:20:59,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:59,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-20 06:20:59,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:59,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-20 06:20:59,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:59,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-20 06:20:59,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:59,840 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-20 06:20:59,840 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:20:59,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135282324] [2021-11-20 06:20:59,840 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135282324] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:20:59,841 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:20:59,841 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 06:20:59,841 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273403097] [2021-11-20 06:20:59,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:20:59,842 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:20:59,842 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:20:59,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:20:59,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:20:59,843 INFO L87 Difference]: Start difference. First operand 964 states and 1239 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-20 06:21:02,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:21:02,337 INFO L93 Difference]: Finished difference Result 964 states and 1239 transitions. [2021-11-20 06:21:02,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 06:21:02,338 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 95 [2021-11-20 06:21:02,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:21:02,346 INFO L225 Difference]: With dead ends: 964 [2021-11-20 06:21:02,346 INFO L226 Difference]: Without dead ends: 962 [2021-11-20 06:21:02,347 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:21:02,348 INFO L933 BasicCegarLoop]: 1187 mSDtfsCounter, 1604 mSDsluCounter, 1718 mSDsCounter, 0 mSdLazyCounter, 805 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1776 SdHoareTripleChecker+Valid, 2905 SdHoareTripleChecker+Invalid, 1465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 805 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-20 06:21:02,348 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1776 Valid, 2905 Invalid, 1465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 805 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-20 06:21:02,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 962 states. [2021-11-20 06:21:02,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 962 to 962. [2021-11-20 06:21:02,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 962 states, 628 states have (on average 1.2245222929936306) internal successors, (769), 664 states have internal predecessors, (769), 235 states have call successors, (235), 75 states have call predecessors, (235), 74 states have return successors, (233), 230 states have call predecessors, (233), 233 states have call successors, (233) [2021-11-20 06:21:02,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 962 states and 1237 transitions. [2021-11-20 06:21:02,405 INFO L78 Accepts]: Start accepts. Automaton has 962 states and 1237 transitions. Word has length 95 [2021-11-20 06:21:02,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:21:02,407 INFO L470 AbstractCegarLoop]: Abstraction has 962 states and 1237 transitions. [2021-11-20 06:21:02,407 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-20 06:21:02,408 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1237 transitions. [2021-11-20 06:21:02,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-20 06:21:02,416 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:21:02,416 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:21:02,416 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-20 06:21:02,417 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-20 06:21:02,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:21:02,418 INFO L85 PathProgramCache]: Analyzing trace with hash 179646454, now seen corresponding path program 1 times [2021-11-20 06:21:02,418 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:21:02,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300804778] [2021-11-20 06:21:02,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:21:02,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:21:02,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:02,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:21:02,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:02,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 06:21:02,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:02,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:21:02,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:02,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:21:02,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:02,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-20 06:21:02,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:02,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-20 06:21:02,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:02,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-11-20 06:21:02,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:02,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:21:02,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:02,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-11-20 06:21:02,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:02,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-20 06:21:02,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:02,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-20 06:21:02,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:02,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-20 06:21:02,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:02,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-20 06:21:02,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:02,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-20 06:21:02,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:02,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 06:21:02,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:02,663 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-20 06:21:02,664 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:21:02,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300804778] [2021-11-20 06:21:02,664 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300804778] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:21:02,664 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:21:02,664 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 06:21:02,664 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297919784] [2021-11-20 06:21:02,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:21:02,666 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:21:02,666 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:21:02,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:21:02,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:21:02,667 INFO L87 Difference]: Start difference. First operand 962 states and 1237 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-20 06:21:05,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:21:05,240 INFO L93 Difference]: Finished difference Result 962 states and 1237 transitions. [2021-11-20 06:21:05,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 06:21:05,241 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 101 [2021-11-20 06:21:05,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:21:05,248 INFO L225 Difference]: With dead ends: 962 [2021-11-20 06:21:05,249 INFO L226 Difference]: Without dead ends: 960 [2021-11-20 06:21:05,250 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:21:05,251 INFO L933 BasicCegarLoop]: 1185 mSDtfsCounter, 1598 mSDsluCounter, 1718 mSDsCounter, 0 mSdLazyCounter, 803 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1769 SdHoareTripleChecker+Valid, 2903 SdHoareTripleChecker+Invalid, 1463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 803 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-20 06:21:05,252 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1769 Valid, 2903 Invalid, 1463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 803 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-20 06:21:05,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 960 states. [2021-11-20 06:21:05,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 960 to 960. [2021-11-20 06:21:05,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 960 states, 627 states have (on average 1.223285486443381) internal successors, (767), 662 states have internal predecessors, (767), 235 states have call successors, (235), 75 states have call predecessors, (235), 74 states have return successors, (233), 230 states have call predecessors, (233), 233 states have call successors, (233) [2021-11-20 06:21:05,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 960 states to 960 states and 1235 transitions. [2021-11-20 06:21:05,343 INFO L78 Accepts]: Start accepts. Automaton has 960 states and 1235 transitions. Word has length 101 [2021-11-20 06:21:05,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:21:05,344 INFO L470 AbstractCegarLoop]: Abstraction has 960 states and 1235 transitions. [2021-11-20 06:21:05,344 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-20 06:21:05,345 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states and 1235 transitions. [2021-11-20 06:21:05,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-20 06:21:05,346 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:21:05,347 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:21:05,347 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-20 06:21:05,348 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-20 06:21:05,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:21:05,349 INFO L85 PathProgramCache]: Analyzing trace with hash -862139684, now seen corresponding path program 1 times [2021-11-20 06:21:05,349 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:21:05,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344108133] [2021-11-20 06:21:05,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:21:05,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:21:05,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:05,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:21:05,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:05,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 06:21:05,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:05,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:21:05,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:05,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:21:05,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:05,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-20 06:21:05,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:05,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-20 06:21:05,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:05,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-11-20 06:21:05,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:05,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:21:05,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:05,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-11-20 06:21:05,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:05,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-20 06:21:05,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:05,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-20 06:21:05,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:05,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-20 06:21:05,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:05,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-20 06:21:05,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:05,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-20 06:21:05,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:05,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 06:21:05,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:05,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-20 06:21:05,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:05,600 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-20 06:21:05,600 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:21:05,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344108133] [2021-11-20 06:21:05,600 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344108133] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:21:05,600 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:21:05,601 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 06:21:05,601 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414773481] [2021-11-20 06:21:05,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:21:05,601 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:21:05,602 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:21:05,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:21:05,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:21:05,602 INFO L87 Difference]: Start difference. First operand 960 states and 1235 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-20 06:21:07,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:21:07,992 INFO L93 Difference]: Finished difference Result 960 states and 1235 transitions. [2021-11-20 06:21:07,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 06:21:07,993 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 107 [2021-11-20 06:21:07,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:21:08,000 INFO L225 Difference]: With dead ends: 960 [2021-11-20 06:21:08,000 INFO L226 Difference]: Without dead ends: 958 [2021-11-20 06:21:08,001 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:21:08,002 INFO L933 BasicCegarLoop]: 1183 mSDtfsCounter, 1592 mSDsluCounter, 1718 mSDsCounter, 0 mSdLazyCounter, 801 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1762 SdHoareTripleChecker+Valid, 2901 SdHoareTripleChecker+Invalid, 1461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 801 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-20 06:21:08,002 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1762 Valid, 2901 Invalid, 1461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 801 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-20 06:21:08,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 958 states. [2021-11-20 06:21:08,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 958 to 958. [2021-11-20 06:21:08,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 958 states, 626 states have (on average 1.2220447284345048) internal successors, (765), 660 states have internal predecessors, (765), 235 states have call successors, (235), 75 states have call predecessors, (235), 74 states have return successors, (233), 230 states have call predecessors, (233), 233 states have call successors, (233) [2021-11-20 06:21:08,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 958 states and 1233 transitions. [2021-11-20 06:21:08,063 INFO L78 Accepts]: Start accepts. Automaton has 958 states and 1233 transitions. Word has length 107 [2021-11-20 06:21:08,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:21:08,064 INFO L470 AbstractCegarLoop]: Abstraction has 958 states and 1233 transitions. [2021-11-20 06:21:08,064 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-20 06:21:08,064 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1233 transitions. [2021-11-20 06:21:08,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-20 06:21:08,066 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:21:08,066 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:21:08,066 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-20 06:21:08,066 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-20 06:21:08,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:21:08,067 INFO L85 PathProgramCache]: Analyzing trace with hash 215029627, now seen corresponding path program 1 times [2021-11-20 06:21:08,067 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:21:08,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82912589] [2021-11-20 06:21:08,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:21:08,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:21:08,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:08,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:21:08,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:08,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 06:21:08,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:08,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:21:08,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:08,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:21:08,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:08,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-20 06:21:08,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:08,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-20 06:21:08,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:08,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-11-20 06:21:08,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:08,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:21:08,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:08,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-11-20 06:21:08,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:08,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-20 06:21:08,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:08,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-20 06:21:08,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:08,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-20 06:21:08,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:08,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-20 06:21:08,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:08,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-20 06:21:08,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:08,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 06:21:08,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:08,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-20 06:21:08,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:08,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-20 06:21:08,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:08,283 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-20 06:21:08,283 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:21:08,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82912589] [2021-11-20 06:21:08,283 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82912589] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:21:08,283 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:21:08,283 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 06:21:08,284 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462750580] [2021-11-20 06:21:08,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:21:08,284 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:21:08,284 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:21:08,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:21:08,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:21:08,285 INFO L87 Difference]: Start difference. First operand 958 states and 1233 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-20 06:21:10,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:21:10,900 INFO L93 Difference]: Finished difference Result 958 states and 1233 transitions. [2021-11-20 06:21:10,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 06:21:10,900 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 113 [2021-11-20 06:21:10,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:21:10,907 INFO L225 Difference]: With dead ends: 958 [2021-11-20 06:21:10,907 INFO L226 Difference]: Without dead ends: 956 [2021-11-20 06:21:10,908 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:21:10,909 INFO L933 BasicCegarLoop]: 1181 mSDtfsCounter, 1590 mSDsluCounter, 1718 mSDsCounter, 0 mSdLazyCounter, 795 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1759 SdHoareTripleChecker+Valid, 2899 SdHoareTripleChecker+Invalid, 1455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 795 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-20 06:21:10,909 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1759 Valid, 2899 Invalid, 1455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 795 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-11-20 06:21:10,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 956 states. [2021-11-20 06:21:10,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 956 to 956. [2021-11-20 06:21:10,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 956 states, 625 states have (on average 1.2208) internal successors, (763), 658 states have internal predecessors, (763), 235 states have call successors, (235), 75 states have call predecessors, (235), 74 states have return successors, (233), 230 states have call predecessors, (233), 233 states have call successors, (233) [2021-11-20 06:21:10,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956 states to 956 states and 1231 transitions. [2021-11-20 06:21:10,972 INFO L78 Accepts]: Start accepts. Automaton has 956 states and 1231 transitions. Word has length 113 [2021-11-20 06:21:10,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:21:10,973 INFO L470 AbstractCegarLoop]: Abstraction has 956 states and 1231 transitions. [2021-11-20 06:21:10,973 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-20 06:21:10,973 INFO L276 IsEmpty]: Start isEmpty. Operand 956 states and 1231 transitions. [2021-11-20 06:21:10,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-20 06:21:10,975 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:21:10,976 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:21:10,976 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-20 06:21:10,976 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-20 06:21:10,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:21:10,977 INFO L85 PathProgramCache]: Analyzing trace with hash 485176158, now seen corresponding path program 1 times [2021-11-20 06:21:10,977 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:21:10,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648912970] [2021-11-20 06:21:10,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:21:10,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:21:11,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:11,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:21:11,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:11,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 06:21:11,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:11,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:21:11,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:11,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:21:11,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:11,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-20 06:21:11,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:11,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-20 06:21:11,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:11,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-11-20 06:21:11,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:11,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:21:11,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:11,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-11-20 06:21:11,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:11,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-20 06:21:11,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:11,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-20 06:21:11,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:11,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-20 06:21:11,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:11,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-20 06:21:11,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:11,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-20 06:21:11,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:11,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 06:21:11,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:11,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-20 06:21:11,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:11,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-20 06:21:11,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:11,203 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-20 06:21:11,203 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:21:11,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648912970] [2021-11-20 06:21:11,203 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648912970] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:21:11,204 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:21:11,204 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 06:21:11,204 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454076720] [2021-11-20 06:21:11,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:21:11,205 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:21:11,205 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:21:11,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:21:11,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:21:11,206 INFO L87 Difference]: Start difference. First operand 956 states and 1231 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-20 06:21:13,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:21:13,517 INFO L93 Difference]: Finished difference Result 956 states and 1231 transitions. [2021-11-20 06:21:13,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 06:21:13,518 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 115 [2021-11-20 06:21:13,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:21:13,525 INFO L225 Difference]: With dead ends: 956 [2021-11-20 06:21:13,525 INFO L226 Difference]: Without dead ends: 954 [2021-11-20 06:21:13,526 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:21:13,528 INFO L933 BasicCegarLoop]: 1179 mSDtfsCounter, 1578 mSDsluCounter, 1718 mSDsCounter, 0 mSdLazyCounter, 797 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1747 SdHoareTripleChecker+Valid, 2897 SdHoareTripleChecker+Invalid, 1457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 797 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-20 06:21:13,529 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1747 Valid, 2897 Invalid, 1457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 797 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-20 06:21:13,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 954 states. [2021-11-20 06:21:13,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 954 to 954. [2021-11-20 06:21:13,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 954 states, 624 states have (on average 1.2195512820512822) internal successors, (761), 656 states have internal predecessors, (761), 235 states have call successors, (235), 75 states have call predecessors, (235), 74 states have return successors, (233), 230 states have call predecessors, (233), 233 states have call successors, (233) [2021-11-20 06:21:13,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 954 states and 1229 transitions. [2021-11-20 06:21:13,632 INFO L78 Accepts]: Start accepts. Automaton has 954 states and 1229 transitions. Word has length 115 [2021-11-20 06:21:13,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:21:13,633 INFO L470 AbstractCegarLoop]: Abstraction has 954 states and 1229 transitions. [2021-11-20 06:21:13,633 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-20 06:21:13,633 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1229 transitions. [2021-11-20 06:21:13,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-20 06:21:13,635 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:21:13,635 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:21:13,636 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-20 06:21:13,636 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-20 06:21:13,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:21:13,637 INFO L85 PathProgramCache]: Analyzing trace with hash 907436211, now seen corresponding path program 1 times [2021-11-20 06:21:13,637 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:21:13,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338189445] [2021-11-20 06:21:13,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:21:13,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:21:13,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:13,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:21:13,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:13,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 06:21:13,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:13,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:21:13,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:13,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:21:13,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:13,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-20 06:21:13,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:13,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-20 06:21:13,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:13,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-11-20 06:21:13,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:13,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:21:13,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:13,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-11-20 06:21:13,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:13,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-20 06:21:13,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:13,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-20 06:21:13,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:13,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-20 06:21:13,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:13,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-20 06:21:13,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:13,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-20 06:21:13,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:13,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 06:21:13,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:13,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-20 06:21:13,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:13,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-20 06:21:13,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:13,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-20 06:21:13,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:13,858 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-20 06:21:13,858 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:21:13,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338189445] [2021-11-20 06:21:13,859 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338189445] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:21:13,859 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:21:13,859 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 06:21:13,859 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763243384] [2021-11-20 06:21:13,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:21:13,860 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:21:13,860 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:21:13,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:21:13,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:21:13,860 INFO L87 Difference]: Start difference. First operand 954 states and 1229 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-20 06:21:16,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:21:16,065 INFO L93 Difference]: Finished difference Result 954 states and 1229 transitions. [2021-11-20 06:21:16,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 06:21:16,066 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 121 [2021-11-20 06:21:16,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:21:16,073 INFO L225 Difference]: With dead ends: 954 [2021-11-20 06:21:16,073 INFO L226 Difference]: Without dead ends: 952 [2021-11-20 06:21:16,074 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:21:16,075 INFO L933 BasicCegarLoop]: 1177 mSDtfsCounter, 1574 mSDsluCounter, 1718 mSDsCounter, 0 mSdLazyCounter, 795 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1742 SdHoareTripleChecker+Valid, 2895 SdHoareTripleChecker+Invalid, 1455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 795 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-20 06:21:16,075 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1742 Valid, 2895 Invalid, 1455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 795 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-20 06:21:16,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 952 states. [2021-11-20 06:21:16,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 952 to 952. [2021-11-20 06:21:16,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 952 states, 623 states have (on average 1.218298555377207) internal successors, (759), 654 states have internal predecessors, (759), 235 states have call successors, (235), 75 states have call predecessors, (235), 74 states have return successors, (233), 230 states have call predecessors, (233), 233 states have call successors, (233) [2021-11-20 06:21:16,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 952 states and 1227 transitions. [2021-11-20 06:21:16,142 INFO L78 Accepts]: Start accepts. Automaton has 952 states and 1227 transitions. Word has length 121 [2021-11-20 06:21:16,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:21:16,143 INFO L470 AbstractCegarLoop]: Abstraction has 952 states and 1227 transitions. [2021-11-20 06:21:16,143 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-20 06:21:16,143 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1227 transitions. [2021-11-20 06:21:16,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-11-20 06:21:16,145 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:21:16,146 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:21:16,146 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-20 06:21:16,146 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_alloc_irq_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-20 06:21:16,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:21:16,147 INFO L85 PathProgramCache]: Analyzing trace with hash -289800848, now seen corresponding path program 1 times [2021-11-20 06:21:16,147 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:21:16,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48759168] [2021-11-20 06:21:16,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:21:16,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:21:16,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:16,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:21:16,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:16,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 06:21:16,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:16,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:21:16,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:16,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:21:16,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:16,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-20 06:21:16,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:16,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:21:16,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:16,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:21:16,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:16,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:21:16,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:16,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-20 06:21:16,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:16,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:21:16,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:16,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:21:16,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:16,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:21:16,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:16,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-20 06:21:16,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:16,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:21:16,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:16,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:21:16,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:16,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:21:16,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:16,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-20 06:21:16,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:16,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:21:16,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:16,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:21:16,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:16,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:21:16,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:16,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-20 06:21:16,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:16,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:21:16,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:16,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:21:16,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:16,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:21:16,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:16,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-20 06:21:16,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:16,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-11-20 06:21:16,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:16,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-11-20 06:21:16,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:16,631 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2021-11-20 06:21:16,631 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:21:16,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48759168] [2021-11-20 06:21:16,632 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48759168] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:21:16,632 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:21:16,632 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-20 06:21:16,632 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118081424] [2021-11-20 06:21:16,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:21:16,633 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-20 06:21:16,633 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:21:16,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-20 06:21:16,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-20 06:21:16,634 INFO L87 Difference]: Start difference. First operand 952 states and 1227 transitions. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-20 06:21:21,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:21:21,453 INFO L93 Difference]: Finished difference Result 1878 states and 2427 transitions. [2021-11-20 06:21:21,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-20 06:21:21,454 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) Word has length 164 [2021-11-20 06:21:21,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:21:21,462 INFO L225 Difference]: With dead ends: 1878 [2021-11-20 06:21:21,462 INFO L226 Difference]: Without dead ends: 965 [2021-11-20 06:21:21,466 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2021-11-20 06:21:21,467 INFO L933 BasicCegarLoop]: 1172 mSDtfsCounter, 1892 mSDsluCounter, 3456 mSDsCounter, 0 mSdLazyCounter, 2172 mSolverCounterSat, 954 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2073 SdHoareTripleChecker+Valid, 4628 SdHoareTripleChecker+Invalid, 3126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 954 IncrementalHoareTripleChecker+Valid, 2172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2021-11-20 06:21:21,467 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2073 Valid, 4628 Invalid, 3126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [954 Valid, 2172 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2021-11-20 06:21:21,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 965 states. [2021-11-20 06:21:21,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 965 to 952. [2021-11-20 06:21:21,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 952 states, 623 states have (on average 1.21669341894061) internal successors, (758), 654 states have internal predecessors, (758), 235 states have call successors, (235), 75 states have call predecessors, (235), 74 states have return successors, (233), 230 states have call predecessors, (233), 233 states have call successors, (233) [2021-11-20 06:21:21,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 952 states and 1226 transitions. [2021-11-20 06:21:21,541 INFO L78 Accepts]: Start accepts. Automaton has 952 states and 1226 transitions. Word has length 164 [2021-11-20 06:21:21,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:21:21,542 INFO L470 AbstractCegarLoop]: Abstraction has 952 states and 1226 transitions. [2021-11-20 06:21:21,543 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-20 06:21:21,543 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1226 transitions. [2021-11-20 06:21:21,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-11-20 06:21:21,545 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:21:21,546 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:21:21,546 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-20 06:21:21,546 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_alloc_irq_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-20 06:21:21,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:21:21,547 INFO L85 PathProgramCache]: Analyzing trace with hash -289741266, now seen corresponding path program 1 times [2021-11-20 06:21:21,547 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:21:21,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176289594] [2021-11-20 06:21:21,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:21:21,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:21:21,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:21,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:21:21,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:21,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 06:21:21,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:21,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:21:21,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:21,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:21:21,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:21,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-20 06:21:21,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:21,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:21:21,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:21,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:21:21,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:21,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:21:21,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:21,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-20 06:21:21,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:21,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:21:21,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:21,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:21:21,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:21,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:21:21,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:21,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-20 06:21:21,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:21,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:21:21,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:21,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:21:21,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:21,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:21:21,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:21,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-20 06:21:21,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:21,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:21:21,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:21,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:21:21,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:21,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:21:21,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:21,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-20 06:21:21,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:21,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:21:21,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:21,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:21:21,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:21,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:21:21,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:21,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-20 06:21:21,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:21,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-11-20 06:21:21,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:21,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-11-20 06:21:21,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:21,853 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2021-11-20 06:21:21,853 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:21:21,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176289594] [2021-11-20 06:21:21,854 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176289594] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:21:21,854 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:21:21,854 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 06:21:21,854 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691278815] [2021-11-20 06:21:21,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:21:21,855 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 06:21:21,855 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:21:21,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 06:21:21,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-20 06:21:21,856 INFO L87 Difference]: Start difference. First operand 952 states and 1226 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2021-11-20 06:21:25,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:21:25,089 INFO L93 Difference]: Finished difference Result 965 states and 1247 transitions. [2021-11-20 06:21:25,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 06:21:25,090 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 164 [2021-11-20 06:21:25,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:21:25,097 INFO L225 Difference]: With dead ends: 965 [2021-11-20 06:21:25,097 INFO L226 Difference]: Without dead ends: 963 [2021-11-20 06:21:25,098 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-11-20 06:21:25,098 INFO L933 BasicCegarLoop]: 1172 mSDtfsCounter, 967 mSDsluCounter, 3027 mSDsCounter, 0 mSdLazyCounter, 1375 mSolverCounterSat, 848 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 967 SdHoareTripleChecker+Valid, 4199 SdHoareTripleChecker+Invalid, 2223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 848 IncrementalHoareTripleChecker+Valid, 1375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-11-20 06:21:25,099 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [967 Valid, 4199 Invalid, 2223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [848 Valid, 1375 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2021-11-20 06:21:25,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2021-11-20 06:21:25,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 950. [2021-11-20 06:21:25,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 950 states, 622 states have (on average 1.2154340836012862) internal successors, (756), 652 states have internal predecessors, (756), 235 states have call successors, (235), 75 states have call predecessors, (235), 74 states have return successors, (233), 230 states have call predecessors, (233), 233 states have call successors, (233) [2021-11-20 06:21:25,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 950 states and 1224 transitions. [2021-11-20 06:21:25,171 INFO L78 Accepts]: Start accepts. Automaton has 950 states and 1224 transitions. Word has length 164 [2021-11-20 06:21:25,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:21:25,172 INFO L470 AbstractCegarLoop]: Abstraction has 950 states and 1224 transitions. [2021-11-20 06:21:25,172 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2021-11-20 06:21:25,172 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 1224 transitions. [2021-11-20 06:21:25,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-11-20 06:21:25,174 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:21:25,174 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:21:25,175 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-20 06:21:25,175 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-20 06:21:25,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:21:25,175 INFO L85 PathProgramCache]: Analyzing trace with hash 1029929949, now seen corresponding path program 1 times [2021-11-20 06:21:25,176 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:21:25,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772981806] [2021-11-20 06:21:25,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:21:25,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:21:25,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:25,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:21:25,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:25,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 06:21:25,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:25,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:21:25,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:25,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:21:25,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:25,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-20 06:21:25,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:25,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-20 06:21:25,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:25,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-11-20 06:21:25,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:25,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:21:25,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:25,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-11-20 06:21:25,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:25,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-20 06:21:25,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:25,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-20 06:21:25,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:25,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-20 06:21:25,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:25,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-20 06:21:25,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:25,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-20 06:21:25,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:25,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 06:21:25,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:25,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-20 06:21:25,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:25,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-20 06:21:25,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:25,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-20 06:21:25,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:25,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-11-20 06:21:25,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:25,425 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-20 06:21:25,425 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:21:25,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772981806] [2021-11-20 06:21:25,425 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772981806] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:21:25,426 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:21:25,426 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 06:21:25,426 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565099475] [2021-11-20 06:21:25,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:21:25,427 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:21:25,427 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:21:25,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:21:25,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:21:25,428 INFO L87 Difference]: Start difference. First operand 950 states and 1224 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-20 06:21:28,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:21:28,059 INFO L93 Difference]: Finished difference Result 950 states and 1224 transitions. [2021-11-20 06:21:28,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 06:21:28,060 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 127 [2021-11-20 06:21:28,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:21:28,067 INFO L225 Difference]: With dead ends: 950 [2021-11-20 06:21:28,067 INFO L226 Difference]: Without dead ends: 948 [2021-11-20 06:21:28,068 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:21:28,069 INFO L933 BasicCegarLoop]: 1172 mSDtfsCounter, 1559 mSDsluCounter, 1718 mSDsCounter, 0 mSdLazyCounter, 790 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1726 SdHoareTripleChecker+Valid, 2890 SdHoareTripleChecker+Invalid, 1450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 790 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-20 06:21:28,070 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1726 Valid, 2890 Invalid, 1450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 790 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-11-20 06:21:28,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 948 states. [2021-11-20 06:21:28,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 948 to 948. [2021-11-20 06:21:28,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 948 states, 621 states have (on average 1.214170692431562) internal successors, (754), 650 states have internal predecessors, (754), 235 states have call successors, (235), 75 states have call predecessors, (235), 74 states have return successors, (233), 230 states have call predecessors, (233), 233 states have call successors, (233) [2021-11-20 06:21:28,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 948 states and 1222 transitions. [2021-11-20 06:21:28,181 INFO L78 Accepts]: Start accepts. Automaton has 948 states and 1222 transitions. Word has length 127 [2021-11-20 06:21:28,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:21:28,184 INFO L470 AbstractCegarLoop]: Abstraction has 948 states and 1222 transitions. [2021-11-20 06:21:28,184 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-20 06:21:28,184 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1222 transitions. [2021-11-20 06:21:28,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-11-20 06:21:28,187 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:21:28,188 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:21:28,188 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-20 06:21:28,188 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-20 06:21:28,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:21:28,189 INFO L85 PathProgramCache]: Analyzing trace with hash 2095809396, now seen corresponding path program 1 times [2021-11-20 06:21:28,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:21:28,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303618671] [2021-11-20 06:21:28,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:21:28,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:21:28,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:28,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:21:28,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:28,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 06:21:28,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:28,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:21:28,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:28,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:21:28,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:28,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-20 06:21:28,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:28,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:21:28,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:28,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:21:28,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:28,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:21:28,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:28,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-20 06:21:28,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:28,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:21:28,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:28,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:21:28,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:28,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:21:28,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:28,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-20 06:21:28,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:28,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:21:28,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:28,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:21:28,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:28,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:21:28,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:28,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-20 06:21:28,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:28,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:21:28,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:28,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:21:28,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:28,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:21:28,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:28,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-20 06:21:28,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:28,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:21:28,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:28,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:21:28,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:28,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:21:28,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:28,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-20 06:21:28,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:28,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-11-20 06:21:28,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:28,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-20 06:21:28,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:28,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:21:28,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:28,512 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2021-11-20 06:21:28,513 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:21:28,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303618671] [2021-11-20 06:21:28,513 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303618671] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:21:28,513 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:21:28,513 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 06:21:28,514 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510905158] [2021-11-20 06:21:28,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:21:28,514 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:21:28,514 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:21:28,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:21:28,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:21:28,516 INFO L87 Difference]: Start difference. First operand 948 states and 1222 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-20 06:21:30,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:21:30,841 INFO L93 Difference]: Finished difference Result 1866 states and 2413 transitions. [2021-11-20 06:21:30,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 06:21:30,841 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 171 [2021-11-20 06:21:30,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:21:30,847 INFO L225 Difference]: With dead ends: 1866 [2021-11-20 06:21:30,847 INFO L226 Difference]: Without dead ends: 957 [2021-11-20 06:21:30,851 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:21:30,851 INFO L933 BasicCegarLoop]: 1167 mSDtfsCounter, 1853 mSDsluCounter, 1318 mSDsCounter, 0 mSdLazyCounter, 641 mSolverCounterSat, 949 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2032 SdHoareTripleChecker+Valid, 2485 SdHoareTripleChecker+Invalid, 1590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 949 IncrementalHoareTripleChecker+Valid, 641 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-20 06:21:30,852 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2032 Valid, 2485 Invalid, 1590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [949 Valid, 641 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-20 06:21:30,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 957 states. [2021-11-20 06:21:30,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 957 to 944. [2021-11-20 06:21:30,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 944 states, 618 states have (on average 1.2119741100323624) internal successors, (749), 646 states have internal predecessors, (749), 235 states have call successors, (235), 75 states have call predecessors, (235), 74 states have return successors, (233), 230 states have call predecessors, (233), 233 states have call successors, (233) [2021-11-20 06:21:30,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 944 states and 1217 transitions. [2021-11-20 06:21:30,929 INFO L78 Accepts]: Start accepts. Automaton has 944 states and 1217 transitions. Word has length 171 [2021-11-20 06:21:30,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:21:30,930 INFO L470 AbstractCegarLoop]: Abstraction has 944 states and 1217 transitions. [2021-11-20 06:21:30,930 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-20 06:21:30,930 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states and 1217 transitions. [2021-11-20 06:21:30,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-20 06:21:30,933 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:21:30,933 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:21:30,933 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-20 06:21:30,934 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-20 06:21:30,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:21:30,934 INFO L85 PathProgramCache]: Analyzing trace with hash 664932848, now seen corresponding path program 1 times [2021-11-20 06:21:30,934 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:21:30,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251647691] [2021-11-20 06:21:30,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:21:30,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:21:30,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:31,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:21:31,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:31,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 06:21:31,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:31,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:21:31,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:31,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:21:31,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:31,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-20 06:21:31,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:31,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-20 06:21:31,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:31,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-11-20 06:21:31,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:31,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:21:31,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:31,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-11-20 06:21:31,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:31,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-20 06:21:31,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:31,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-20 06:21:31,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:31,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-20 06:21:31,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:31,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-20 06:21:31,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:31,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-20 06:21:31,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:31,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 06:21:31,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:31,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-20 06:21:31,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:31,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-20 06:21:31,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:31,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-20 06:21:31,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:31,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-11-20 06:21:31,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:31,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-11-20 06:21:31,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:31,207 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-20 06:21:31,207 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:21:31,207 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251647691] [2021-11-20 06:21:31,207 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251647691] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:21:31,208 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:21:31,208 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 06:21:31,208 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173078412] [2021-11-20 06:21:31,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:21:31,209 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:21:31,210 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:21:31,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:21:31,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:21:31,211 INFO L87 Difference]: Start difference. First operand 944 states and 1217 transitions. Second operand has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-20 06:21:33,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:21:33,436 INFO L93 Difference]: Finished difference Result 944 states and 1217 transitions. [2021-11-20 06:21:33,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 06:21:33,436 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 133 [2021-11-20 06:21:33,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:21:33,441 INFO L225 Difference]: With dead ends: 944 [2021-11-20 06:21:33,441 INFO L226 Difference]: Without dead ends: 942 [2021-11-20 06:21:33,442 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:21:33,443 INFO L933 BasicCegarLoop]: 1165 mSDtfsCounter, 1538 mSDsluCounter, 1718 mSDsCounter, 0 mSdLazyCounter, 783 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1704 SdHoareTripleChecker+Valid, 2883 SdHoareTripleChecker+Invalid, 1443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 783 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-20 06:21:33,443 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1704 Valid, 2883 Invalid, 1443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 783 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-20 06:21:33,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 942 states. [2021-11-20 06:21:33,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 942 to 942. [2021-11-20 06:21:33,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 942 states, 617 states have (on average 1.2106969205834683) internal successors, (747), 644 states have internal predecessors, (747), 235 states have call successors, (235), 75 states have call predecessors, (235), 74 states have return successors, (233), 230 states have call predecessors, (233), 233 states have call successors, (233) [2021-11-20 06:21:33,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 942 states to 942 states and 1215 transitions. [2021-11-20 06:21:33,518 INFO L78 Accepts]: Start accepts. Automaton has 942 states and 1215 transitions. Word has length 133 [2021-11-20 06:21:33,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:21:33,519 INFO L470 AbstractCegarLoop]: Abstraction has 942 states and 1215 transitions. [2021-11-20 06:21:33,520 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-20 06:21:33,520 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 1215 transitions. [2021-11-20 06:21:33,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-11-20 06:21:33,523 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:21:33,523 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:21:33,523 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-20 06:21:33,524 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-20 06:21:33,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:21:33,524 INFO L85 PathProgramCache]: Analyzing trace with hash -793485747, now seen corresponding path program 1 times [2021-11-20 06:21:33,524 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:21:33,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563255999] [2021-11-20 06:21:33,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:21:33,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:21:33,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:33,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:21:33,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:33,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 06:21:33,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:33,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:21:33,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:33,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:21:33,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:33,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-20 06:21:33,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:33,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-20 06:21:33,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:33,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-11-20 06:21:33,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:33,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:21:33,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:33,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-11-20 06:21:33,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:33,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-20 06:21:33,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:33,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-20 06:21:33,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:33,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-20 06:21:33,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:33,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:21:33,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:33,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:21:33,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:33,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:21:33,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:33,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-20 06:21:33,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:33,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:21:33,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:33,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:21:33,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:33,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:21:33,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:33,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-20 06:21:33,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:33,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:21:33,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:33,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:21:33,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:33,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:21:33,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:33,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-20 06:21:33,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:33,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-20 06:21:33,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:33,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-11-20 06:21:33,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:33,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:21:33,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:33,912 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2021-11-20 06:21:33,912 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:21:33,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563255999] [2021-11-20 06:21:33,915 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563255999] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:21:33,915 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:21:33,916 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-20 06:21:33,916 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104246109] [2021-11-20 06:21:33,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:21:33,917 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-20 06:21:33,917 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:21:33,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-20 06:21:33,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-20 06:21:33,918 INFO L87 Difference]: Start difference. First operand 942 states and 1215 transitions. Second operand has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) [2021-11-20 06:21:39,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:21:39,090 INFO L93 Difference]: Finished difference Result 1900 states and 2489 transitions. [2021-11-20 06:21:39,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-20 06:21:39,090 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) Word has length 167 [2021-11-20 06:21:39,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:21:39,098 INFO L225 Difference]: With dead ends: 1900 [2021-11-20 06:21:39,098 INFO L226 Difference]: Without dead ends: 1232 [2021-11-20 06:21:39,100 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2021-11-20 06:21:39,101 INFO L933 BasicCegarLoop]: 1289 mSDtfsCounter, 1418 mSDsluCounter, 5070 mSDsCounter, 0 mSdLazyCounter, 2373 mSolverCounterSat, 1233 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1418 SdHoareTripleChecker+Valid, 6359 SdHoareTripleChecker+Invalid, 3606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1233 IncrementalHoareTripleChecker+Valid, 2373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2021-11-20 06:21:39,101 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1418 Valid, 6359 Invalid, 3606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1233 Valid, 2373 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2021-11-20 06:21:39,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1232 states. [2021-11-20 06:21:39,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1232 to 947. [2021-11-20 06:21:39,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 947 states, 621 states have (on average 1.209339774557166) internal successors, (751), 648 states have internal predecessors, (751), 235 states have call successors, (235), 75 states have call predecessors, (235), 75 states have return successors, (236), 231 states have call predecessors, (236), 233 states have call successors, (236) [2021-11-20 06:21:39,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 947 states and 1222 transitions. [2021-11-20 06:21:39,203 INFO L78 Accepts]: Start accepts. Automaton has 947 states and 1222 transitions. Word has length 167 [2021-11-20 06:21:39,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:21:39,204 INFO L470 AbstractCegarLoop]: Abstraction has 947 states and 1222 transitions. [2021-11-20 06:21:39,205 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) [2021-11-20 06:21:39,205 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 1222 transitions. [2021-11-20 06:21:39,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-11-20 06:21:39,208 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:21:39,208 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:21:39,208 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-20 06:21:39,209 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-20 06:21:39,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:21:39,209 INFO L85 PathProgramCache]: Analyzing trace with hash 1553023, now seen corresponding path program 1 times [2021-11-20 06:21:39,210 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:21:39,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25778960] [2021-11-20 06:21:39,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:21:39,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:21:39,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:39,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:21:39,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:39,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 06:21:39,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:39,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:21:39,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:39,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:21:39,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:39,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-20 06:21:39,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:39,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-20 06:21:39,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:39,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-11-20 06:21:39,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:39,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:21:39,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:39,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-11-20 06:21:39,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:39,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-20 06:21:39,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:39,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-20 06:21:39,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:39,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-20 06:21:39,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:39,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-20 06:21:39,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:39,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-20 06:21:39,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:39,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 06:21:39,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:39,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-20 06:21:39,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:39,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-20 06:21:39,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:39,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-20 06:21:39,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:39,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-11-20 06:21:39,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:39,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-11-20 06:21:39,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:39,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-11-20 06:21:39,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:39,490 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-20 06:21:39,490 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:21:39,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25778960] [2021-11-20 06:21:39,491 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25778960] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:21:39,491 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:21:39,491 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 06:21:39,491 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955097556] [2021-11-20 06:21:39,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:21:39,493 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:21:39,493 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:21:39,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:21:39,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:21:39,494 INFO L87 Difference]: Start difference. First operand 947 states and 1222 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-20 06:21:41,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:21:41,915 INFO L93 Difference]: Finished difference Result 947 states and 1222 transitions. [2021-11-20 06:21:41,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 06:21:41,915 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 139 [2021-11-20 06:21:41,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:21:41,922 INFO L225 Difference]: With dead ends: 947 [2021-11-20 06:21:41,922 INFO L226 Difference]: Without dead ends: 945 [2021-11-20 06:21:41,923 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:21:41,924 INFO L933 BasicCegarLoop]: 1163 mSDtfsCounter, 1532 mSDsluCounter, 1718 mSDsCounter, 0 mSdLazyCounter, 781 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1697 SdHoareTripleChecker+Valid, 2881 SdHoareTripleChecker+Invalid, 1441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 781 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-20 06:21:41,924 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1697 Valid, 2881 Invalid, 1441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 781 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-20 06:21:41,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 945 states. [2021-11-20 06:21:42,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 945 to 945. [2021-11-20 06:21:42,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 945 states, 620 states have (on average 1.2080645161290322) internal successors, (749), 646 states have internal predecessors, (749), 235 states have call successors, (235), 75 states have call predecessors, (235), 75 states have return successors, (236), 231 states have call predecessors, (236), 233 states have call successors, (236) [2021-11-20 06:21:42,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 945 states and 1220 transitions. [2021-11-20 06:21:42,017 INFO L78 Accepts]: Start accepts. Automaton has 945 states and 1220 transitions. Word has length 139 [2021-11-20 06:21:42,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:21:42,017 INFO L470 AbstractCegarLoop]: Abstraction has 945 states and 1220 transitions. [2021-11-20 06:21:42,018 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-20 06:21:42,018 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 1220 transitions. [2021-11-20 06:21:42,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-11-20 06:21:42,021 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:21:42,021 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:21:42,021 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-20 06:21:42,022 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-20 06:21:42,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:21:42,022 INFO L85 PathProgramCache]: Analyzing trace with hash 155827134, now seen corresponding path program 1 times [2021-11-20 06:21:42,022 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:21:42,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853442539] [2021-11-20 06:21:42,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:21:42,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:21:42,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:42,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:21:42,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:42,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 06:21:42,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:42,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:21:42,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:42,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:21:42,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:42,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-20 06:21:42,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:42,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-20 06:21:42,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:42,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-11-20 06:21:42,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:42,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:21:42,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:42,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-11-20 06:21:42,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:42,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-20 06:21:42,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:42,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-20 06:21:42,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:42,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-20 06:21:42,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:42,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-20 06:21:42,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:42,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-20 06:21:42,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:42,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 06:21:42,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:42,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-20 06:21:42,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:42,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-20 06:21:42,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:42,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-20 06:21:42,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:42,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-11-20 06:21:42,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:42,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-11-20 06:21:42,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:42,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-11-20 06:21:42,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:42,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-20 06:21:42,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:42,322 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-20 06:21:42,322 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:21:42,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853442539] [2021-11-20 06:21:42,323 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853442539] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:21:42,323 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:21:42,323 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 06:21:42,324 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879078065] [2021-11-20 06:21:42,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:21:42,324 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:21:42,325 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:21:42,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:21:42,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:21:42,327 INFO L87 Difference]: Start difference. First operand 945 states and 1220 transitions. Second operand has 6 states, 6 states have (on average 14.5) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-20 06:21:45,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:21:45,110 INFO L93 Difference]: Finished difference Result 945 states and 1220 transitions. [2021-11-20 06:21:45,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 06:21:45,111 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 145 [2021-11-20 06:21:45,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:21:45,120 INFO L225 Difference]: With dead ends: 945 [2021-11-20 06:21:45,120 INFO L226 Difference]: Without dead ends: 943 [2021-11-20 06:21:45,121 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:21:45,122 INFO L933 BasicCegarLoop]: 1161 mSDtfsCounter, 1526 mSDsluCounter, 1718 mSDsCounter, 0 mSdLazyCounter, 779 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1690 SdHoareTripleChecker+Valid, 2879 SdHoareTripleChecker+Invalid, 1439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 779 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-20 06:21:45,122 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1690 Valid, 2879 Invalid, 1439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 779 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-11-20 06:21:45,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 943 states. [2021-11-20 06:21:45,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 943 to 943. [2021-11-20 06:21:45,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 943 states, 619 states have (on average 1.2067851373182552) internal successors, (747), 644 states have internal predecessors, (747), 235 states have call successors, (235), 75 states have call predecessors, (235), 75 states have return successors, (236), 231 states have call predecessors, (236), 233 states have call successors, (236) [2021-11-20 06:21:45,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 943 states to 943 states and 1218 transitions. [2021-11-20 06:21:45,261 INFO L78 Accepts]: Start accepts. Automaton has 943 states and 1218 transitions. Word has length 145 [2021-11-20 06:21:45,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:21:45,262 INFO L470 AbstractCegarLoop]: Abstraction has 943 states and 1218 transitions. [2021-11-20 06:21:45,262 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-20 06:21:45,263 INFO L276 IsEmpty]: Start isEmpty. Operand 943 states and 1218 transitions. [2021-11-20 06:21:45,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2021-11-20 06:21:45,267 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:21:45,267 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 7, 7, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:21:45,267 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-20 06:21:45,270 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-20 06:21:45,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:21:45,271 INFO L85 PathProgramCache]: Analyzing trace with hash -190426035, now seen corresponding path program 1 times [2021-11-20 06:21:45,271 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:21:45,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904400420] [2021-11-20 06:21:45,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:21:45,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:21:45,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:45,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:21:45,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:45,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 06:21:45,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:45,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:21:45,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:45,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:21:45,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:45,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-20 06:21:45,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:45,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-20 06:21:45,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:45,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-11-20 06:21:45,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:45,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:21:45,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:45,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-11-20 06:21:45,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:45,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-20 06:21:45,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:45,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-20 06:21:45,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:45,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-20 06:21:45,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:45,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:21:45,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:45,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:21:45,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:45,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:21:45,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:45,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-20 06:21:45,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:45,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:21:45,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:45,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:21:45,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:45,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:21:45,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:45,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-20 06:21:45,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:45,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:21:45,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:45,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:21:45,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:45,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:21:45,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:45,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-20 06:21:45,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:45,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-20 06:21:45,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:45,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-11-20 06:21:45,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:45,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:21:45,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:45,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-20 06:21:45,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:45,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 06:21:45,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:45,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:21:45,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:45,763 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2021-11-20 06:21:45,763 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:21:45,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904400420] [2021-11-20 06:21:45,764 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904400420] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:21:45,764 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:21:45,764 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-20 06:21:45,764 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965340107] [2021-11-20 06:21:45,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:21:45,766 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 06:21:45,766 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:21:45,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 06:21:45,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-11-20 06:21:45,767 INFO L87 Difference]: Start difference. First operand 943 states and 1218 transitions. Second operand has 8 states, 8 states have (on average 7.75) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-20 06:21:49,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:21:49,801 INFO L93 Difference]: Finished difference Result 1056 states and 1337 transitions. [2021-11-20 06:21:49,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-20 06:21:49,802 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 183 [2021-11-20 06:21:49,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:21:49,812 INFO L225 Difference]: With dead ends: 1056 [2021-11-20 06:21:49,812 INFO L226 Difference]: Without dead ends: 1054 [2021-11-20 06:21:49,813 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=102, Invalid=204, Unknown=0, NotChecked=0, Total=306 [2021-11-20 06:21:49,814 INFO L933 BasicCegarLoop]: 1191 mSDtfsCounter, 1876 mSDsluCounter, 3122 mSDsCounter, 0 mSdLazyCounter, 1563 mSolverCounterSat, 1016 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2028 SdHoareTripleChecker+Valid, 4313 SdHoareTripleChecker+Invalid, 2579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1016 IncrementalHoareTripleChecker+Valid, 1563 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-11-20 06:21:49,814 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2028 Valid, 4313 Invalid, 2579 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1016 Valid, 1563 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2021-11-20 06:21:49,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1054 states. [2021-11-20 06:21:49,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1054 to 1037. [2021-11-20 06:21:49,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1037 states, 682 states have (on average 1.2023460410557185) internal successors, (820), 707 states have internal predecessors, (820), 247 states have call successors, (247), 94 states have call predecessors, (247), 94 states have return successors, (248), 243 states have call predecessors, (248), 245 states have call successors, (248) [2021-11-20 06:21:49,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 1037 states and 1315 transitions. [2021-11-20 06:21:49,972 INFO L78 Accepts]: Start accepts. Automaton has 1037 states and 1315 transitions. Word has length 183 [2021-11-20 06:21:49,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:21:49,973 INFO L470 AbstractCegarLoop]: Abstraction has 1037 states and 1315 transitions. [2021-11-20 06:21:49,973 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-20 06:21:49,973 INFO L276 IsEmpty]: Start isEmpty. Operand 1037 states and 1315 transitions. [2021-11-20 06:21:49,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-20 06:21:49,977 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:21:49,977 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:21:49,977 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-20 06:21:49,977 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-20 06:21:49,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:21:49,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1747305839, now seen corresponding path program 1 times [2021-11-20 06:21:49,978 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:21:49,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917503108] [2021-11-20 06:21:49,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:21:49,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:21:50,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:50,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:21:50,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:50,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 06:21:50,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:50,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:21:50,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:50,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:21:50,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:50,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-20 06:21:50,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:50,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-20 06:21:50,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:50,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-11-20 06:21:50,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:50,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:21:50,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:50,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-11-20 06:21:50,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:50,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-20 06:21:50,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:50,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-20 06:21:50,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:50,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-20 06:21:50,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:50,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-20 06:21:50,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:50,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-20 06:21:50,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:50,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 06:21:50,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:50,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-20 06:21:50,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:50,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-20 06:21:50,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:50,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-20 06:21:50,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:50,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-11-20 06:21:50,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:50,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-11-20 06:21:50,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:50,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-11-20 06:21:50,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:50,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-20 06:21:50,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:50,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-11-20 06:21:50,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:50,287 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-20 06:21:50,287 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:21:50,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917503108] [2021-11-20 06:21:50,288 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917503108] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:21:50,288 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:21:50,288 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 06:21:50,288 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292014020] [2021-11-20 06:21:50,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:21:50,290 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:21:50,290 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:21:50,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:21:50,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:21:50,291 INFO L87 Difference]: Start difference. First operand 1037 states and 1315 transitions. Second operand has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-20 06:21:53,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:21:53,016 INFO L93 Difference]: Finished difference Result 1037 states and 1315 transitions. [2021-11-20 06:21:53,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 06:21:53,017 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 151 [2021-11-20 06:21:53,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:21:53,026 INFO L225 Difference]: With dead ends: 1037 [2021-11-20 06:21:53,026 INFO L226 Difference]: Without dead ends: 1035 [2021-11-20 06:21:53,028 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:21:53,029 INFO L933 BasicCegarLoop]: 1159 mSDtfsCounter, 1520 mSDsluCounter, 1718 mSDsCounter, 0 mSdLazyCounter, 777 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1683 SdHoareTripleChecker+Valid, 2877 SdHoareTripleChecker+Invalid, 1437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 777 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-20 06:21:53,030 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1683 Valid, 2877 Invalid, 1437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 777 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-11-20 06:21:53,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1035 states. [2021-11-20 06:21:53,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1035 to 1035. [2021-11-20 06:21:53,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1035 states, 681 states have (on average 1.2011747430249633) internal successors, (818), 705 states have internal predecessors, (818), 247 states have call successors, (247), 94 states have call predecessors, (247), 94 states have return successors, (248), 243 states have call predecessors, (248), 245 states have call successors, (248) [2021-11-20 06:21:53,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 1035 states and 1313 transitions. [2021-11-20 06:21:53,159 INFO L78 Accepts]: Start accepts. Automaton has 1035 states and 1313 transitions. Word has length 151 [2021-11-20 06:21:53,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:21:53,160 INFO L470 AbstractCegarLoop]: Abstraction has 1035 states and 1313 transitions. [2021-11-20 06:21:53,160 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-20 06:21:53,160 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1313 transitions. [2021-11-20 06:21:53,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2021-11-20 06:21:53,164 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:21:53,164 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:21:53,164 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-20 06:21:53,165 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-20 06:21:53,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:21:53,165 INFO L85 PathProgramCache]: Analyzing trace with hash 1924683292, now seen corresponding path program 1 times [2021-11-20 06:21:53,165 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:21:53,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224417421] [2021-11-20 06:21:53,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:21:53,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:21:53,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:53,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:21:53,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:53,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 06:21:53,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:53,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:21:53,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:53,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:21:53,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:53,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-20 06:21:53,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:53,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:21:53,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:53,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:21:53,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:53,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:21:53,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:53,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-20 06:21:53,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:53,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:21:53,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:53,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:21:53,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:53,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:21:53,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:53,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-20 06:21:53,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:53,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:21:53,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:53,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:21:53,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:53,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:21:53,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:53,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-20 06:21:53,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:53,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:21:53,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:53,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:21:53,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:53,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:21:53,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:53,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-20 06:21:53,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:53,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:21:53,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:53,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:21:53,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:53,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:21:53,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:53,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-20 06:21:53,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:53,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-11-20 06:21:53,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:53,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-11-20 06:21:53,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:53,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:21:53,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:53,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:21:53,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:53,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:21:53,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:53,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 06:21:53,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:53,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:21:53,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:53,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:21:53,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:53,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 06:21:53,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:53,580 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2021-11-20 06:21:53,581 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:21:53,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224417421] [2021-11-20 06:21:53,581 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224417421] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:21:53,581 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:21:53,582 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 06:21:53,582 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789675232] [2021-11-20 06:21:53,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:21:53,583 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:21:53,584 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:21:53,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:21:53,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:21:53,586 INFO L87 Difference]: Start difference. First operand 1035 states and 1313 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (22), 4 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-20 06:21:56,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:21:56,646 INFO L93 Difference]: Finished difference Result 1945 states and 2449 transitions. [2021-11-20 06:21:56,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 06:21:56,647 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (22), 4 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 199 [2021-11-20 06:21:56,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:21:56,655 INFO L225 Difference]: With dead ends: 1945 [2021-11-20 06:21:56,655 INFO L226 Difference]: Without dead ends: 1042 [2021-11-20 06:21:56,659 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-20 06:21:56,660 INFO L933 BasicCegarLoop]: 966 mSDtfsCounter, 1832 mSDsluCounter, 1264 mSDsCounter, 0 mSdLazyCounter, 866 mSolverCounterSat, 954 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2016 SdHoareTripleChecker+Valid, 2230 SdHoareTripleChecker+Invalid, 1820 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 954 IncrementalHoareTripleChecker+Valid, 866 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-11-20 06:21:56,661 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2016 Valid, 2230 Invalid, 1820 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [954 Valid, 866 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2021-11-20 06:21:56,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1042 states. [2021-11-20 06:21:56,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1042 to 1031. [2021-11-20 06:21:56,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1031 states, 678 states have (on average 1.1991150442477876) internal successors, (813), 701 states have internal predecessors, (813), 247 states have call successors, (247), 94 states have call predecessors, (247), 94 states have return successors, (248), 243 states have call predecessors, (248), 245 states have call successors, (248) [2021-11-20 06:21:56,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1031 states to 1031 states and 1308 transitions. [2021-11-20 06:21:56,788 INFO L78 Accepts]: Start accepts. Automaton has 1031 states and 1308 transitions. Word has length 199 [2021-11-20 06:21:56,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:21:56,789 INFO L470 AbstractCegarLoop]: Abstraction has 1031 states and 1308 transitions. [2021-11-20 06:21:56,789 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (22), 4 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-20 06:21:56,789 INFO L276 IsEmpty]: Start isEmpty. Operand 1031 states and 1308 transitions. [2021-11-20 06:21:56,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-11-20 06:21:56,793 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:21:56,793 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:21:56,793 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-20 06:21:56,794 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-20 06:21:56,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:21:56,794 INFO L85 PathProgramCache]: Analyzing trace with hash 794045404, now seen corresponding path program 1 times [2021-11-20 06:21:56,794 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:21:56,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378326049] [2021-11-20 06:21:56,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:21:56,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:21:56,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:56,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:21:56,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:56,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 06:21:56,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:56,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:21:56,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:56,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:21:56,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:56,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-20 06:21:56,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:56,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-20 06:21:56,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:56,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-11-20 06:21:56,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:56,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:21:56,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:56,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-11-20 06:21:57,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:57,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-20 06:21:57,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:57,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-20 06:21:57,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:57,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-20 06:21:57,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:57,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-20 06:21:57,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:57,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-20 06:21:57,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:57,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 06:21:57,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:57,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-20 06:21:57,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:57,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-20 06:21:57,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:57,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-20 06:21:57,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:57,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-11-20 06:21:57,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:57,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-11-20 06:21:57,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:57,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-11-20 06:21:57,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:57,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-20 06:21:57,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:57,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-11-20 06:21:57,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:57,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-20 06:21:57,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:57,149 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-20 06:21:57,149 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:21:57,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378326049] [2021-11-20 06:21:57,150 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378326049] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:21:57,150 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:21:57,150 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 06:21:57,150 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460524370] [2021-11-20 06:21:57,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:21:57,152 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:21:57,152 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:21:57,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:21:57,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:21:57,153 INFO L87 Difference]: Start difference. First operand 1031 states and 1308 transitions. Second operand has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-20 06:21:59,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:21:59,791 INFO L93 Difference]: Finished difference Result 1031 states and 1308 transitions. [2021-11-20 06:21:59,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 06:21:59,791 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 157 [2021-11-20 06:21:59,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:21:59,798 INFO L225 Difference]: With dead ends: 1031 [2021-11-20 06:21:59,798 INFO L226 Difference]: Without dead ends: 1029 [2021-11-20 06:21:59,799 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:21:59,799 INFO L933 BasicCegarLoop]: 1152 mSDtfsCounter, 1509 mSDsluCounter, 1704 mSDsCounter, 0 mSdLazyCounter, 774 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1671 SdHoareTripleChecker+Valid, 2856 SdHoareTripleChecker+Invalid, 1434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 774 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-20 06:21:59,800 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1671 Valid, 2856 Invalid, 1434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 774 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-20 06:21:59,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1029 states. [2021-11-20 06:21:59,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1029 to 1029. [2021-11-20 06:21:59,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1029 states, 677 states have (on average 1.1979320531757756) internal successors, (811), 699 states have internal predecessors, (811), 247 states have call successors, (247), 94 states have call predecessors, (247), 94 states have return successors, (248), 243 states have call predecessors, (248), 245 states have call successors, (248) [2021-11-20 06:21:59,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 1029 states and 1306 transitions. [2021-11-20 06:21:59,920 INFO L78 Accepts]: Start accepts. Automaton has 1029 states and 1306 transitions. Word has length 157 [2021-11-20 06:21:59,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:21:59,921 INFO L470 AbstractCegarLoop]: Abstraction has 1029 states and 1306 transitions. [2021-11-20 06:21:59,921 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-20 06:21:59,922 INFO L276 IsEmpty]: Start isEmpty. Operand 1029 states and 1306 transitions. [2021-11-20 06:21:59,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-20 06:21:59,926 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:21:59,926 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:21:59,926 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-20 06:21:59,927 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-20 06:21:59,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:21:59,927 INFO L85 PathProgramCache]: Analyzing trace with hash -8470101, now seen corresponding path program 1 times [2021-11-20 06:21:59,928 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:21:59,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177505705] [2021-11-20 06:21:59,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:21:59,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:21:59,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:00,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:22:00,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:00,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 06:22:00,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:00,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:22:00,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:00,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:22:00,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:00,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-20 06:22:00,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:00,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:00,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:00,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:22:00,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:00,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:22:00,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:00,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-20 06:22:00,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:00,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:00,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:00,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:22:00,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:00,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:22:00,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:00,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-20 06:22:00,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:00,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:00,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:00,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:22:00,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:00,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:22:00,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:00,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-20 06:22:00,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:00,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:00,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:00,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:22:00,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:00,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:22:00,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:00,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-20 06:22:00,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:00,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:00,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:00,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:22:00,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:00,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:22:00,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:00,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-20 06:22:00,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:00,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-11-20 06:22:00,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:00,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-11-20 06:22:00,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:00,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:00,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:00,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:00,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:00,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:00,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:00,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 06:22:00,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:00,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:22:00,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:00,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:00,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:00,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 06:22:00,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:00,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-20 06:22:00,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:00,374 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2021-11-20 06:22:00,375 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:22:00,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177505705] [2021-11-20 06:22:00,375 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177505705] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 06:22:00,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [790384675] [2021-11-20 06:22:00,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:22:00,376 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:22:00,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:22:00,381 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:22:00,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 06:22:00,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:00,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 1807 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 06:22:00,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:22:01,503 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2021-11-20 06:22:01,504 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 06:22:01,504 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [790384675] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:22:01,504 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 06:22:01,505 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2021-11-20 06:22:01,505 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352581117] [2021-11-20 06:22:01,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:22:01,506 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:22:01,506 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:22:01,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:22:01,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:22:01,507 INFO L87 Difference]: Start difference. First operand 1029 states and 1306 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-20 06:22:01,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:22:01,656 INFO L93 Difference]: Finished difference Result 1975 states and 2484 transitions. [2021-11-20 06:22:01,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:22:01,657 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 205 [2021-11-20 06:22:01,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:22:01,667 INFO L225 Difference]: With dead ends: 1975 [2021-11-20 06:22:01,668 INFO L226 Difference]: Without dead ends: 1081 [2021-11-20 06:22:01,671 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:22:01,672 INFO L933 BasicCegarLoop]: 1261 mSDtfsCounter, 1136 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1136 SdHoareTripleChecker+Valid, 1328 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 06:22:01,673 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1136 Valid, 1328 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 06:22:01,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1081 states. [2021-11-20 06:22:01,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1081 to 1078. [2021-11-20 06:22:01,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1078 states, 706 states have (on average 1.1912181303116147) internal successors, (841), 731 states have internal predecessors, (841), 262 states have call successors, (262), 100 states have call predecessors, (262), 100 states have return successors, (263), 256 states have call predecessors, (263), 260 states have call successors, (263) [2021-11-20 06:22:01,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1078 states to 1078 states and 1366 transitions. [2021-11-20 06:22:01,801 INFO L78 Accepts]: Start accepts. Automaton has 1078 states and 1366 transitions. Word has length 205 [2021-11-20 06:22:01,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:22:01,801 INFO L470 AbstractCegarLoop]: Abstraction has 1078 states and 1366 transitions. [2021-11-20 06:22:01,802 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-20 06:22:01,802 INFO L276 IsEmpty]: Start isEmpty. Operand 1078 states and 1366 transitions. [2021-11-20 06:22:01,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-11-20 06:22:01,805 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:22:01,805 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:22:01,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-20 06:22:02,027 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-11-20 06:22:02,028 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-20 06:22:02,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:22:02,028 INFO L85 PathProgramCache]: Analyzing trace with hash 1444426604, now seen corresponding path program 1 times [2021-11-20 06:22:02,029 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:22:02,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767564055] [2021-11-20 06:22:02,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:22:02,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:22:02,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:02,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:22:02,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:02,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 06:22:02,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:02,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:22:02,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:02,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:22:02,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:02,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-20 06:22:02,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:02,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-20 06:22:02,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:02,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-11-20 06:22:02,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:02,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:02,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:02,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-11-20 06:22:02,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:02,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-20 06:22:02,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:02,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-20 06:22:02,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:02,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-20 06:22:02,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:02,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-20 06:22:02,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:02,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-20 06:22:02,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:02,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 06:22:02,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:02,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-20 06:22:02,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:02,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-20 06:22:02,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:02,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-20 06:22:02,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:02,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-11-20 06:22:02,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:02,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-11-20 06:22:02,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:02,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-11-20 06:22:02,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:02,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-20 06:22:02,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:02,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-11-20 06:22:02,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:02,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-20 06:22:02,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:02,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-20 06:22:02,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:02,370 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-20 06:22:02,370 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:22:02,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767564055] [2021-11-20 06:22:02,371 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767564055] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:22:02,371 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:22:02,371 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 06:22:02,371 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089862278] [2021-11-20 06:22:02,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:22:02,372 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:22:02,372 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:22:02,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:22:02,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:22:02,373 INFO L87 Difference]: Start difference. First operand 1078 states and 1366 transitions. Second operand has 6 states, 6 states have (on average 16.5) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-20 06:22:04,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:22:04,952 INFO L93 Difference]: Finished difference Result 1078 states and 1366 transitions. [2021-11-20 06:22:04,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 06:22:04,955 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 163 [2021-11-20 06:22:04,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:22:04,963 INFO L225 Difference]: With dead ends: 1078 [2021-11-20 06:22:04,963 INFO L226 Difference]: Without dead ends: 1076 [2021-11-20 06:22:04,964 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:22:04,966 INFO L933 BasicCegarLoop]: 1145 mSDtfsCounter, 1498 mSDsluCounter, 1690 mSDsCounter, 0 mSdLazyCounter, 771 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1659 SdHoareTripleChecker+Valid, 2835 SdHoareTripleChecker+Invalid, 1431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 771 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-20 06:22:04,967 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1659 Valid, 2835 Invalid, 1431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 771 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-20 06:22:04,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1076 states. [2021-11-20 06:22:05,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1076 to 1076. [2021-11-20 06:22:05,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1076 states, 705 states have (on average 1.1900709219858157) internal successors, (839), 729 states have internal predecessors, (839), 262 states have call successors, (262), 100 states have call predecessors, (262), 100 states have return successors, (263), 256 states have call predecessors, (263), 260 states have call successors, (263) [2021-11-20 06:22:05,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1076 states to 1076 states and 1364 transitions. [2021-11-20 06:22:05,097 INFO L78 Accepts]: Start accepts. Automaton has 1076 states and 1364 transitions. Word has length 163 [2021-11-20 06:22:05,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:22:05,098 INFO L470 AbstractCegarLoop]: Abstraction has 1076 states and 1364 transitions. [2021-11-20 06:22:05,098 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-20 06:22:05,098 INFO L276 IsEmpty]: Start isEmpty. Operand 1076 states and 1364 transitions. [2021-11-20 06:22:05,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2021-11-20 06:22:05,101 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:22:05,101 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 7, 7, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:22:05,102 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-20 06:22:05,102 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-20 06:22:05,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:22:05,102 INFO L85 PathProgramCache]: Analyzing trace with hash -997022710, now seen corresponding path program 1 times [2021-11-20 06:22:05,103 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:22:05,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990719256] [2021-11-20 06:22:05,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:22:05,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:22:05,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:05,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:22:05,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:05,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 06:22:05,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:05,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:22:05,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:05,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:22:05,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:05,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-20 06:22:05,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:05,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-20 06:22:05,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:05,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-11-20 06:22:05,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:05,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:05,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:05,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-11-20 06:22:05,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:05,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-20 06:22:05,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:05,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-20 06:22:05,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:05,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-20 06:22:05,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:05,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:05,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:05,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:22:05,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:05,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:22:05,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:05,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-20 06:22:05,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:05,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:05,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:05,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:22:05,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:05,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:22:05,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:05,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-20 06:22:05,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:05,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:05,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:05,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:22:05,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:05,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:22:05,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:05,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-20 06:22:05,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:05,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-20 06:22:05,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:05,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-11-20 06:22:05,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:05,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:05,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:05,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-20 06:22:05,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:05,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 06:22:05,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:05,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:22:05,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:05,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-11-20 06:22:05,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:05,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:05,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:05,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-11-20 06:22:05,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:05,516 INFO L134 CoverageAnalysis]: Checked inductivity of 371 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2021-11-20 06:22:05,517 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:22:05,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990719256] [2021-11-20 06:22:05,517 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990719256] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:22:05,517 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:22:05,517 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-20 06:22:05,518 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244645623] [2021-11-20 06:22:05,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:22:05,518 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-20 06:22:05,518 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:22:05,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-20 06:22:05,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-20 06:22:05,519 INFO L87 Difference]: Start difference. First operand 1076 states and 1364 transitions. Second operand has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (29), 7 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-11-20 06:22:11,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:22:11,636 INFO L93 Difference]: Finished difference Result 1758 states and 2203 transitions. [2021-11-20 06:22:11,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-20 06:22:11,637 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (29), 7 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 201 [2021-11-20 06:22:11,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:22:11,650 INFO L225 Difference]: With dead ends: 1758 [2021-11-20 06:22:11,650 INFO L226 Difference]: Without dead ends: 1756 [2021-11-20 06:22:11,652 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=147, Invalid=315, Unknown=0, NotChecked=0, Total=462 [2021-11-20 06:22:11,653 INFO L933 BasicCegarLoop]: 1528 mSDtfsCounter, 2897 mSDsluCounter, 5361 mSDsCounter, 0 mSdLazyCounter, 2396 mSolverCounterSat, 1637 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3056 SdHoareTripleChecker+Valid, 6889 SdHoareTripleChecker+Invalid, 4033 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1637 IncrementalHoareTripleChecker+Valid, 2396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2021-11-20 06:22:11,653 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3056 Valid, 6889 Invalid, 4033 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1637 Valid, 2396 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2021-11-20 06:22:11,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1756 states. [2021-11-20 06:22:11,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1756 to 1702. [2021-11-20 06:22:11,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1702 states, 1132 states have (on average 1.1934628975265018) internal successors, (1351), 1170 states have internal predecessors, (1351), 391 states have call successors, (391), 170 states have call predecessors, (391), 170 states have return successors, (397), 373 states have call predecessors, (397), 389 states have call successors, (397) [2021-11-20 06:22:11,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1702 states to 1702 states and 2139 transitions. [2021-11-20 06:22:11,897 INFO L78 Accepts]: Start accepts. Automaton has 1702 states and 2139 transitions. Word has length 201 [2021-11-20 06:22:11,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:22:11,898 INFO L470 AbstractCegarLoop]: Abstraction has 1702 states and 2139 transitions. [2021-11-20 06:22:11,898 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (29), 7 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-11-20 06:22:11,898 INFO L276 IsEmpty]: Start isEmpty. Operand 1702 states and 2139 transitions. [2021-11-20 06:22:11,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2021-11-20 06:22:11,902 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:22:11,902 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 7, 7, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:22:11,903 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-11-20 06:22:11,903 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-20 06:22:11,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:22:11,903 INFO L85 PathProgramCache]: Analyzing trace with hash -1288414627, now seen corresponding path program 1 times [2021-11-20 06:22:11,904 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:22:11,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250364071] [2021-11-20 06:22:11,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:22:11,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:22:12,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:12,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:22:12,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:12,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 06:22:12,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:12,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:22:12,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:12,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:22:12,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:12,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-20 06:22:12,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:12,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-20 06:22:12,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:12,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-11-20 06:22:12,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:12,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:12,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:12,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-11-20 06:22:12,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:12,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-20 06:22:12,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:12,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-20 06:22:12,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:12,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-20 06:22:12,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:12,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:12,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:12,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:22:12,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:12,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:22:12,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:12,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-20 06:22:12,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:12,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:12,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:12,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:22:12,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:12,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:22:12,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:12,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-20 06:22:12,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:12,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:12,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:12,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:22:12,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:12,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:22:12,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:12,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-20 06:22:12,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:12,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-20 06:22:12,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:12,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-11-20 06:22:12,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:12,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:12,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:12,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-20 06:22:12,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:12,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 06:22:12,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:12,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:22:12,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:12,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-11-20 06:22:12,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:12,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:12,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:12,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-11-20 06:22:12,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:12,399 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2021-11-20 06:22:12,399 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:22:12,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250364071] [2021-11-20 06:22:12,399 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250364071] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:22:12,400 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:22:12,400 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-20 06:22:12,400 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172501932] [2021-11-20 06:22:12,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:22:12,401 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-20 06:22:12,401 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:22:12,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-20 06:22:12,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-20 06:22:12,403 INFO L87 Difference]: Start difference. First operand 1702 states and 2139 transitions. Second operand has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (29), 7 states have call predecessors, (29), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-11-20 06:22:18,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:22:18,208 INFO L93 Difference]: Finished difference Result 1729 states and 2168 transitions. [2021-11-20 06:22:18,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-20 06:22:18,209 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (29), 7 states have call predecessors, (29), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 201 [2021-11-20 06:22:18,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:22:18,220 INFO L225 Difference]: With dead ends: 1729 [2021-11-20 06:22:18,221 INFO L226 Difference]: Without dead ends: 1727 [2021-11-20 06:22:18,222 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=119, Invalid=261, Unknown=0, NotChecked=0, Total=380 [2021-11-20 06:22:18,222 INFO L933 BasicCegarLoop]: 1186 mSDtfsCounter, 1454 mSDsluCounter, 3960 mSDsCounter, 0 mSdLazyCounter, 2286 mSolverCounterSat, 1218 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1466 SdHoareTripleChecker+Valid, 5146 SdHoareTripleChecker+Invalid, 3504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1218 IncrementalHoareTripleChecker+Valid, 2286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2021-11-20 06:22:18,223 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1466 Valid, 5146 Invalid, 3504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1218 Valid, 2286 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2021-11-20 06:22:18,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1727 states. [2021-11-20 06:22:18,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1727 to 1693. [2021-11-20 06:22:18,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1693 states, 1127 states have (on average 1.1925465838509317) internal successors, (1344), 1164 states have internal predecessors, (1344), 387 states have call successors, (387), 169 states have call predecessors, (387), 170 states have return successors, (393), 371 states have call predecessors, (393), 385 states have call successors, (393) [2021-11-20 06:22:18,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1693 states to 1693 states and 2124 transitions. [2021-11-20 06:22:18,408 INFO L78 Accepts]: Start accepts. Automaton has 1693 states and 2124 transitions. Word has length 201 [2021-11-20 06:22:18,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:22:18,409 INFO L470 AbstractCegarLoop]: Abstraction has 1693 states and 2124 transitions. [2021-11-20 06:22:18,409 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (29), 7 states have call predecessors, (29), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-11-20 06:22:18,410 INFO L276 IsEmpty]: Start isEmpty. Operand 1693 states and 2124 transitions. [2021-11-20 06:22:18,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-20 06:22:18,413 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:22:18,413 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:22:18,413 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-11-20 06:22:18,413 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-20 06:22:18,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:22:18,414 INFO L85 PathProgramCache]: Analyzing trace with hash -15982876, now seen corresponding path program 1 times [2021-11-20 06:22:18,414 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:22:18,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054328526] [2021-11-20 06:22:18,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:22:18,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:22:18,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:18,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:22:18,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:18,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 06:22:18,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:18,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:22:18,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:18,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:22:18,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:18,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-20 06:22:18,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:18,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-20 06:22:18,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:18,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-11-20 06:22:18,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:18,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:18,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:18,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-11-20 06:22:18,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:18,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-20 06:22:18,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:18,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-20 06:22:18,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:18,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-20 06:22:18,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:18,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-20 06:22:18,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:18,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-20 06:22:18,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:18,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 06:22:18,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:18,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-20 06:22:18,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:18,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-20 06:22:18,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:18,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-20 06:22:18,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:18,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-11-20 06:22:18,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:18,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-11-20 06:22:18,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:18,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-11-20 06:22:18,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:18,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-20 06:22:18,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:18,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-11-20 06:22:18,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:18,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-20 06:22:18,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:18,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-20 06:22:18,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:18,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-11-20 06:22:18,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:18,801 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-20 06:22:18,802 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:22:18,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054328526] [2021-11-20 06:22:18,802 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054328526] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:22:18,802 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:22:18,803 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 06:22:18,803 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698653539] [2021-11-20 06:22:18,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:22:18,804 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:22:18,804 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:22:18,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:22:18,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:22:18,805 INFO L87 Difference]: Start difference. First operand 1693 states and 2124 transitions. Second operand has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-20 06:22:21,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:22:21,416 INFO L93 Difference]: Finished difference Result 1693 states and 2124 transitions. [2021-11-20 06:22:21,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 06:22:21,417 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 169 [2021-11-20 06:22:21,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:22:21,426 INFO L225 Difference]: With dead ends: 1693 [2021-11-20 06:22:21,426 INFO L226 Difference]: Without dead ends: 1691 [2021-11-20 06:22:21,427 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:22:21,428 INFO L933 BasicCegarLoop]: 1143 mSDtfsCounter, 1492 mSDsluCounter, 1690 mSDsCounter, 0 mSdLazyCounter, 769 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1652 SdHoareTripleChecker+Valid, 2833 SdHoareTripleChecker+Invalid, 1429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 769 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-20 06:22:21,429 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1652 Valid, 2833 Invalid, 1429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 769 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-20 06:22:21,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1691 states. [2021-11-20 06:22:21,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1691 to 1691. [2021-11-20 06:22:21,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1691 states, 1126 states have (on average 1.1909413854351687) internal successors, (1341), 1162 states have internal predecessors, (1341), 387 states have call successors, (387), 169 states have call predecessors, (387), 170 states have return successors, (393), 371 states have call predecessors, (393), 385 states have call successors, (393) [2021-11-20 06:22:21,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1691 states to 1691 states and 2121 transitions. [2021-11-20 06:22:21,629 INFO L78 Accepts]: Start accepts. Automaton has 1691 states and 2121 transitions. Word has length 169 [2021-11-20 06:22:21,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:22:21,630 INFO L470 AbstractCegarLoop]: Abstraction has 1691 states and 2121 transitions. [2021-11-20 06:22:21,631 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-20 06:22:21,631 INFO L276 IsEmpty]: Start isEmpty. Operand 1691 states and 2121 transitions. [2021-11-20 06:22:21,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-11-20 06:22:21,634 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:22:21,634 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:22:21,635 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-11-20 06:22:21,635 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-20 06:22:21,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:22:21,636 INFO L85 PathProgramCache]: Analyzing trace with hash -1811664176, now seen corresponding path program 1 times [2021-11-20 06:22:21,636 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:22:21,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823735324] [2021-11-20 06:22:21,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:22:21,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:22:21,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:21,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:22:21,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:21,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 06:22:21,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:21,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:22:21,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:21,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:22:21,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:21,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-20 06:22:21,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:21,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-20 06:22:21,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:21,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-11-20 06:22:21,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:21,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:21,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:21,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-11-20 06:22:21,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:21,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-20 06:22:21,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:21,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-20 06:22:21,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:21,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-20 06:22:21,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:21,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-20 06:22:21,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:21,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-20 06:22:21,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:21,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 06:22:21,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:21,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-20 06:22:21,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:21,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-20 06:22:21,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:21,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-20 06:22:21,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:21,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-11-20 06:22:21,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:21,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-11-20 06:22:21,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:21,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-11-20 06:22:21,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:21,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-20 06:22:21,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:21,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-11-20 06:22:21,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:21,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-20 06:22:21,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:21,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-20 06:22:21,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:21,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-11-20 06:22:21,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:21,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-11-20 06:22:21,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:21,924 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-20 06:22:21,924 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:22:21,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823735324] [2021-11-20 06:22:21,925 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823735324] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:22:21,925 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:22:21,925 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 06:22:21,925 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710336005] [2021-11-20 06:22:21,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:22:21,926 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:22:21,926 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:22:21,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:22:21,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:22:21,927 INFO L87 Difference]: Start difference. First operand 1691 states and 2121 transitions. Second operand has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 4 states have internal predecessors, (107), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-11-20 06:22:24,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:22:24,116 INFO L93 Difference]: Finished difference Result 1691 states and 2121 transitions. [2021-11-20 06:22:24,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 06:22:24,117 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 4 states have internal predecessors, (107), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 175 [2021-11-20 06:22:24,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:22:24,125 INFO L225 Difference]: With dead ends: 1691 [2021-11-20 06:22:24,125 INFO L226 Difference]: Without dead ends: 1689 [2021-11-20 06:22:24,126 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:22:24,127 INFO L933 BasicCegarLoop]: 1141 mSDtfsCounter, 1486 mSDsluCounter, 1690 mSDsCounter, 0 mSdLazyCounter, 767 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1645 SdHoareTripleChecker+Valid, 2831 SdHoareTripleChecker+Invalid, 1427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 767 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-20 06:22:24,127 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1645 Valid, 2831 Invalid, 1427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 767 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-20 06:22:24,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1689 states. [2021-11-20 06:22:24,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1689 to 1689. [2021-11-20 06:22:24,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1689 states, 1125 states have (on average 1.1893333333333334) internal successors, (1338), 1160 states have internal predecessors, (1338), 387 states have call successors, (387), 169 states have call predecessors, (387), 170 states have return successors, (393), 371 states have call predecessors, (393), 385 states have call successors, (393) [2021-11-20 06:22:24,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1689 states to 1689 states and 2118 transitions. [2021-11-20 06:22:24,306 INFO L78 Accepts]: Start accepts. Automaton has 1689 states and 2118 transitions. Word has length 175 [2021-11-20 06:22:24,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:22:24,307 INFO L470 AbstractCegarLoop]: Abstraction has 1689 states and 2118 transitions. [2021-11-20 06:22:24,307 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 4 states have internal predecessors, (107), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-11-20 06:22:24,307 INFO L276 IsEmpty]: Start isEmpty. Operand 1689 states and 2118 transitions. [2021-11-20 06:22:24,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2021-11-20 06:22:24,311 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:22:24,311 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:22:24,311 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-11-20 06:22:24,311 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-20 06:22:24,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:22:24,312 INFO L85 PathProgramCache]: Analyzing trace with hash 660661691, now seen corresponding path program 1 times [2021-11-20 06:22:24,312 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:22:24,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725409876] [2021-11-20 06:22:24,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:22:24,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:22:24,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:24,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:22:24,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:24,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 06:22:24,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:24,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:22:24,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:24,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:22:24,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:24,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-20 06:22:24,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:24,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:24,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:24,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:22:24,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:24,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:22:24,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:24,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-20 06:22:24,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:24,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:24,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:24,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:22:24,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:24,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:22:24,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:24,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-20 06:22:24,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:24,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:24,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:24,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:22:24,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:24,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:22:24,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:24,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-20 06:22:24,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:24,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:24,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:24,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:22:24,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:24,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:22:24,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:24,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-20 06:22:24,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:24,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:24,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:24,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:22:24,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:24,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:22:24,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:24,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-20 06:22:24,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:24,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-11-20 06:22:24,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:24,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-11-20 06:22:24,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:24,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:24,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:24,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:24,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:24,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:24,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:24,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 06:22:24,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:24,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:22:24,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:24,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:24,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:24,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 06:22:24,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:24,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-11-20 06:22:24,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:24,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-11-20 06:22:24,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:24,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-20 06:22:24,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:24,875 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2021-11-20 06:22:24,876 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:22:24,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725409876] [2021-11-20 06:22:24,876 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725409876] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:22:24,876 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:22:24,877 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-20 06:22:24,877 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259274016] [2021-11-20 06:22:24,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:22:24,877 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-20 06:22:24,878 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:22:24,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-20 06:22:24,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-11-20 06:22:24,879 INFO L87 Difference]: Start difference. First operand 1689 states and 2118 transitions. Second operand has 12 states, 12 states have (on average 6.833333333333333) internal successors, (82), 6 states have internal predecessors, (82), 3 states have call successors, (27), 6 states have call predecessors, (27), 3 states have return successors, (25), 5 states have call predecessors, (25), 3 states have call successors, (25) [2021-11-20 06:22:25,909 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:22:32,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:22:32,981 INFO L93 Difference]: Finished difference Result 4047 states and 5296 transitions. [2021-11-20 06:22:32,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-20 06:22:32,981 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.833333333333333) internal successors, (82), 6 states have internal predecessors, (82), 3 states have call successors, (27), 6 states have call predecessors, (27), 3 states have return successors, (25), 5 states have call predecessors, (25), 3 states have call successors, (25) Word has length 221 [2021-11-20 06:22:32,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:22:32,992 INFO L225 Difference]: With dead ends: 4047 [2021-11-20 06:22:32,992 INFO L226 Difference]: Without dead ends: 2452 [2021-11-20 06:22:32,997 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=116, Invalid=390, Unknown=0, NotChecked=0, Total=506 [2021-11-20 06:22:32,998 INFO L933 BasicCegarLoop]: 1699 mSDtfsCounter, 1515 mSDsluCounter, 10844 mSDsCounter, 0 mSdLazyCounter, 3829 mSolverCounterSat, 1253 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1670 SdHoareTripleChecker+Valid, 12543 SdHoareTripleChecker+Invalid, 5082 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1253 IncrementalHoareTripleChecker+Valid, 3829 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2021-11-20 06:22:32,998 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1670 Valid, 12543 Invalid, 5082 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1253 Valid, 3829 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2021-11-20 06:22:33,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2452 states. [2021-11-20 06:22:33,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2452 to 1696. [2021-11-20 06:22:33,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1696 states, 1130 states have (on average 1.188495575221239) internal successors, (1343), 1164 states have internal predecessors, (1343), 388 states have call successors, (388), 169 states have call predecessors, (388), 171 states have return successors, (398), 374 states have call predecessors, (398), 386 states have call successors, (398) [2021-11-20 06:22:33,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1696 states to 1696 states and 2129 transitions. [2021-11-20 06:22:33,222 INFO L78 Accepts]: Start accepts. Automaton has 1696 states and 2129 transitions. Word has length 221 [2021-11-20 06:22:33,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:22:33,223 INFO L470 AbstractCegarLoop]: Abstraction has 1696 states and 2129 transitions. [2021-11-20 06:22:33,223 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.833333333333333) internal successors, (82), 6 states have internal predecessors, (82), 3 states have call successors, (27), 6 states have call predecessors, (27), 3 states have return successors, (25), 5 states have call predecessors, (25), 3 states have call successors, (25) [2021-11-20 06:22:33,224 INFO L276 IsEmpty]: Start isEmpty. Operand 1696 states and 2129 transitions. [2021-11-20 06:22:33,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-11-20 06:22:33,227 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:22:33,227 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:22:33,227 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-11-20 06:22:33,229 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-20 06:22:33,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:22:33,229 INFO L85 PathProgramCache]: Analyzing trace with hash -1397956039, now seen corresponding path program 1 times [2021-11-20 06:22:33,229 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:22:33,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948435780] [2021-11-20 06:22:33,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:22:33,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:22:33,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:33,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:22:33,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:33,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 06:22:33,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:33,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:22:33,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:33,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:22:33,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:33,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-20 06:22:33,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:33,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-20 06:22:33,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:33,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-11-20 06:22:33,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:33,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:33,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:33,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-11-20 06:22:33,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:33,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-20 06:22:33,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:33,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-20 06:22:33,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:33,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-20 06:22:33,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:33,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-20 06:22:33,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:33,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-20 06:22:33,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:33,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 06:22:33,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:33,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-20 06:22:33,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:33,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-20 06:22:33,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:33,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-20 06:22:33,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:33,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-11-20 06:22:33,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:33,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-11-20 06:22:33,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:33,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-11-20 06:22:33,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:33,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-20 06:22:33,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:33,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-11-20 06:22:33,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:33,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-20 06:22:33,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:33,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-20 06:22:33,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:33,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-11-20 06:22:33,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:33,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-11-20 06:22:33,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:33,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-11-20 06:22:33,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:33,512 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-20 06:22:33,512 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:22:33,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948435780] [2021-11-20 06:22:33,513 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948435780] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:22:33,513 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:22:33,513 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 06:22:33,513 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115286953] [2021-11-20 06:22:33,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:22:33,514 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:22:33,514 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:22:33,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:22:33,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:22:33,515 INFO L87 Difference]: Start difference. First operand 1696 states and 2129 transitions. Second operand has 6 states, 6 states have (on average 18.5) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-20 06:22:35,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:22:35,492 INFO L93 Difference]: Finished difference Result 1696 states and 2129 transitions. [2021-11-20 06:22:35,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 06:22:35,493 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.5) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 181 [2021-11-20 06:22:35,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:22:35,498 INFO L225 Difference]: With dead ends: 1696 [2021-11-20 06:22:35,498 INFO L226 Difference]: Without dead ends: 1694 [2021-11-20 06:22:35,499 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:22:35,500 INFO L933 BasicCegarLoop]: 1139 mSDtfsCounter, 1480 mSDsluCounter, 1690 mSDsCounter, 0 mSdLazyCounter, 765 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1638 SdHoareTripleChecker+Valid, 2829 SdHoareTripleChecker+Invalid, 1425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 765 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-20 06:22:35,500 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1638 Valid, 2829 Invalid, 1425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 765 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-20 06:22:35,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1694 states. [2021-11-20 06:22:35,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1694 to 1694. [2021-11-20 06:22:35,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1694 states, 1129 states have (on average 1.1868910540301152) internal successors, (1340), 1162 states have internal predecessors, (1340), 388 states have call successors, (388), 169 states have call predecessors, (388), 171 states have return successors, (398), 374 states have call predecessors, (398), 386 states have call successors, (398) [2021-11-20 06:22:35,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1694 states to 1694 states and 2126 transitions. [2021-11-20 06:22:35,735 INFO L78 Accepts]: Start accepts. Automaton has 1694 states and 2126 transitions. Word has length 181 [2021-11-20 06:22:35,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:22:35,735 INFO L470 AbstractCegarLoop]: Abstraction has 1694 states and 2126 transitions. [2021-11-20 06:22:35,736 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.5) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-20 06:22:35,736 INFO L276 IsEmpty]: Start isEmpty. Operand 1694 states and 2126 transitions. [2021-11-20 06:22:35,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2021-11-20 06:22:35,739 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:22:35,740 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:22:35,740 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-11-20 06:22:35,740 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-20 06:22:35,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:22:35,741 INFO L85 PathProgramCache]: Analyzing trace with hash -2021105733, now seen corresponding path program 1 times [2021-11-20 06:22:35,742 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:22:35,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998806195] [2021-11-20 06:22:35,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:22:35,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:22:35,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:36,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:22:36,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:36,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 06:22:36,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:36,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:22:36,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:36,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:22:36,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:36,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-20 06:22:36,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:36,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:36,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:36,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:22:36,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:36,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:22:36,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:36,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-20 06:22:36,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:36,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:36,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:36,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:22:36,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:36,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:22:36,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:36,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-20 06:22:36,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:36,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:36,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:36,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:22:36,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:36,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:22:36,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:36,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-20 06:22:36,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:36,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:36,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:36,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:22:36,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:36,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:22:36,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:36,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-20 06:22:36,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:36,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:36,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:36,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:22:36,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:36,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:22:36,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:36,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-20 06:22:36,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:36,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-11-20 06:22:36,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:36,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-11-20 06:22:36,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:36,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:36,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:36,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:36,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:36,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:36,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:36,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 06:22:36,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:36,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:22:36,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:36,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:36,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:36,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-20 06:22:36,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:36,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 06:22:36,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:36,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:22:36,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:36,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 06:22:36,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:36,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-20 06:22:36,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:36,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-11-20 06:22:36,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:36,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-20 06:22:36,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:36,463 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 501 trivial. 0 not checked. [2021-11-20 06:22:36,463 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:22:36,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998806195] [2021-11-20 06:22:36,464 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998806195] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:22:36,464 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:22:36,464 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-11-20 06:22:36,464 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946235016] [2021-11-20 06:22:36,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:22:36,465 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-20 06:22:36,465 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:22:36,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-20 06:22:36,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=272, Unknown=0, NotChecked=0, Total=306 [2021-11-20 06:22:36,466 INFO L87 Difference]: Start difference. First operand 1694 states and 2126 transitions. Second operand has 18 states, 17 states have (on average 4.9411764705882355) internal successors, (84), 11 states have internal predecessors, (84), 6 states have call successors, (30), 7 states have call predecessors, (30), 4 states have return successors, (28), 7 states have call predecessors, (28), 5 states have call successors, (28) [2021-11-20 06:22:48,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:22:48,241 INFO L93 Difference]: Finished difference Result 4641 states and 6240 transitions. [2021-11-20 06:22:48,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-20 06:22:48,242 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 4.9411764705882355) internal successors, (84), 11 states have internal predecessors, (84), 6 states have call successors, (30), 7 states have call predecessors, (30), 4 states have return successors, (28), 7 states have call predecessors, (28), 5 states have call successors, (28) Word has length 237 [2021-11-20 06:22:48,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:22:48,256 INFO L225 Difference]: With dead ends: 4641 [2021-11-20 06:22:48,256 INFO L226 Difference]: Without dead ends: 3135 [2021-11-20 06:22:48,263 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 317 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=273, Invalid=1449, Unknown=0, NotChecked=0, Total=1722 [2021-11-20 06:22:48,264 INFO L933 BasicCegarLoop]: 2294 mSDtfsCounter, 1999 mSDsluCounter, 26547 mSDsCounter, 0 mSdLazyCounter, 7191 mSolverCounterSat, 1331 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2331 SdHoareTripleChecker+Valid, 28841 SdHoareTripleChecker+Invalid, 8522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1331 IncrementalHoareTripleChecker+Valid, 7191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2021-11-20 06:22:48,265 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2331 Valid, 28841 Invalid, 8522 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1331 Valid, 7191 Invalid, 0 Unknown, 0 Unchecked, 10.7s Time] [2021-11-20 06:22:48,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3135 states. [2021-11-20 06:22:48,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3135 to 1712. [2021-11-20 06:22:48,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1712 states, 1138 states have (on average 1.1854130052724077) internal successors, (1349), 1172 states have internal predecessors, (1349), 395 states have call successors, (395), 170 states have call predecessors, (395), 173 states have return successors, (406), 381 states have call predecessors, (406), 393 states have call successors, (406) [2021-11-20 06:22:48,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1712 states to 1712 states and 2150 transitions. [2021-11-20 06:22:48,564 INFO L78 Accepts]: Start accepts. Automaton has 1712 states and 2150 transitions. Word has length 237 [2021-11-20 06:22:48,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:22:48,565 INFO L470 AbstractCegarLoop]: Abstraction has 1712 states and 2150 transitions. [2021-11-20 06:22:48,565 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 4.9411764705882355) internal successors, (84), 11 states have internal predecessors, (84), 6 states have call successors, (30), 7 states have call predecessors, (30), 4 states have return successors, (28), 7 states have call predecessors, (28), 5 states have call successors, (28) [2021-11-20 06:22:48,565 INFO L276 IsEmpty]: Start isEmpty. Operand 1712 states and 2150 transitions. [2021-11-20 06:22:48,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-11-20 06:22:48,569 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:22:48,570 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:22:48,570 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-11-20 06:22:48,570 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-20 06:22:48,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:22:48,571 INFO L85 PathProgramCache]: Analyzing trace with hash 11495463, now seen corresponding path program 1 times [2021-11-20 06:22:48,571 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:22:48,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206495266] [2021-11-20 06:22:48,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:22:48,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:22:48,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:48,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:22:48,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:48,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 06:22:48,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:48,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:22:48,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:48,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:22:48,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:48,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-20 06:22:48,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:48,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-20 06:22:48,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:48,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-11-20 06:22:48,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:48,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:48,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:48,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-11-20 06:22:48,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:48,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-20 06:22:48,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:48,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-20 06:22:48,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:48,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-20 06:22:48,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:48,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-20 06:22:48,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:48,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-20 06:22:48,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:48,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 06:22:48,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:48,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-20 06:22:48,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:48,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-20 06:22:48,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:48,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-20 06:22:48,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:48,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-11-20 06:22:48,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:48,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-11-20 06:22:48,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:48,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-11-20 06:22:48,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:48,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-20 06:22:48,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:48,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-11-20 06:22:48,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:48,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-20 06:22:48,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:48,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-20 06:22:48,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:48,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-11-20 06:22:48,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:48,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-11-20 06:22:48,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:48,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-11-20 06:22:48,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:48,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-11-20 06:22:48,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:48,860 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-20 06:22:48,861 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:22:48,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206495266] [2021-11-20 06:22:48,861 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206495266] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:22:48,861 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:22:48,861 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 06:22:48,862 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943908] [2021-11-20 06:22:48,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:22:48,862 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:22:48,862 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:22:48,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:22:48,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:22:48,863 INFO L87 Difference]: Start difference. First operand 1712 states and 2150 transitions. Second operand has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-11-20 06:22:52,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:22:52,978 INFO L93 Difference]: Finished difference Result 3300 states and 4141 transitions. [2021-11-20 06:22:52,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-20 06:22:52,979 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 187 [2021-11-20 06:22:52,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:22:52,992 INFO L225 Difference]: With dead ends: 3300 [2021-11-20 06:22:52,992 INFO L226 Difference]: Without dead ends: 3017 [2021-11-20 06:22:52,995 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-11-20 06:22:52,995 INFO L933 BasicCegarLoop]: 1390 mSDtfsCounter, 1999 mSDsluCounter, 2731 mSDsCounter, 0 mSdLazyCounter, 1575 mSolverCounterSat, 1143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2151 SdHoareTripleChecker+Valid, 4121 SdHoareTripleChecker+Invalid, 2718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1143 IncrementalHoareTripleChecker+Valid, 1575 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-11-20 06:22:52,996 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2151 Valid, 4121 Invalid, 2718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1143 Valid, 1575 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2021-11-20 06:22:53,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3017 states. [2021-11-20 06:22:53,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3017 to 2998. [2021-11-20 06:22:53,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2998 states, 2003 states have (on average 1.2001997004493261) internal successors, (2404), 2058 states have internal predecessors, (2404), 689 states have call successors, (689), 294 states have call predecessors, (689), 300 states have return successors, (721), 665 states have call predecessors, (721), 687 states have call successors, (721) [2021-11-20 06:22:53,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2998 states to 2998 states and 3814 transitions. [2021-11-20 06:22:53,485 INFO L78 Accepts]: Start accepts. Automaton has 2998 states and 3814 transitions. Word has length 187 [2021-11-20 06:22:53,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:22:53,485 INFO L470 AbstractCegarLoop]: Abstraction has 2998 states and 3814 transitions. [2021-11-20 06:22:53,486 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-11-20 06:22:53,486 INFO L276 IsEmpty]: Start isEmpty. Operand 2998 states and 3814 transitions. [2021-11-20 06:22:53,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-11-20 06:22:53,490 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:22:53,490 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:22:53,490 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-11-20 06:22:53,491 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-20 06:22:53,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:22:53,491 INFO L85 PathProgramCache]: Analyzing trace with hash 2017815336, now seen corresponding path program 1 times [2021-11-20 06:22:53,491 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:22:53,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404110292] [2021-11-20 06:22:53,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:22:53,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:22:53,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:53,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:22:53,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:53,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 06:22:53,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:53,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:22:53,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:53,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:22:53,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:53,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-20 06:22:53,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:53,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:53,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:53,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:22:53,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:53,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:22:53,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:53,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-20 06:22:53,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:53,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:53,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:53,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:22:53,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:53,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:22:53,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:53,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-20 06:22:53,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:53,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:53,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:53,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:22:53,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:53,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:22:53,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:53,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-20 06:22:53,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:53,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:53,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:53,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:22:53,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:53,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:22:53,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:53,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-20 06:22:53,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:53,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:53,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:53,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:22:53,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:54,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:22:54,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:54,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-20 06:22:54,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:54,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-11-20 06:22:54,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:54,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-11-20 06:22:54,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:54,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:54,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:54,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:54,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:54,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:54,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:54,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 06:22:54,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:54,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:22:54,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:54,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:54,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:54,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-20 06:22:54,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:54,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 06:22:54,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:54,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:22:54,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:54,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 06:22:54,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:54,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-20 06:22:54,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:54,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-11-20 06:22:54,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:54,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-20 06:22:54,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:54,120 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 3 proven. 36 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2021-11-20 06:22:54,121 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:22:54,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404110292] [2021-11-20 06:22:54,121 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404110292] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 06:22:54,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1689612772] [2021-11-20 06:22:54,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:22:54,122 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:22:54,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:22:54,124 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:22:54,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-20 06:22:54,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:54,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 2051 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 06:22:54,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:22:55,318 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2021-11-20 06:22:55,318 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 06:22:55,318 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1689612772] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:22:55,318 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 06:22:55,319 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 11 [2021-11-20 06:22:55,319 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620499093] [2021-11-20 06:22:55,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:22:55,320 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:22:55,320 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:22:55,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:22:55,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-11-20 06:22:55,321 INFO L87 Difference]: Start difference. First operand 2998 states and 3814 transitions. Second operand has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 states have internal predecessors, (96), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-11-20 06:22:56,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:22:56,611 INFO L93 Difference]: Finished difference Result 7079 states and 9318 transitions. [2021-11-20 06:22:56,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 06:22:56,612 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 states have internal predecessors, (96), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 241 [2021-11-20 06:22:56,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:22:56,628 INFO L225 Difference]: With dead ends: 7079 [2021-11-20 06:22:56,628 INFO L226 Difference]: Without dead ends: 4126 [2021-11-20 06:22:56,637 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 317 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-11-20 06:22:56,638 INFO L933 BasicCegarLoop]: 1279 mSDtfsCounter, 590 mSDsluCounter, 4846 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 234 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 590 SdHoareTripleChecker+Valid, 6125 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 234 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-20 06:22:56,638 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [590 Valid, 6125 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [234 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-20 06:22:56,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4126 states. [2021-11-20 06:22:57,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4126 to 2966. [2021-11-20 06:22:57,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2966 states, 1986 states have (on average 1.200402819738167) internal successors, (2384), 2038 states have internal predecessors, (2384), 677 states have call successors, (677), 291 states have call predecessors, (677), 297 states have return successors, (709), 654 states have call predecessors, (709), 675 states have call successors, (709) [2021-11-20 06:22:57,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2966 states to 2966 states and 3770 transitions. [2021-11-20 06:22:57,198 INFO L78 Accepts]: Start accepts. Automaton has 2966 states and 3770 transitions. Word has length 241 [2021-11-20 06:22:57,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:22:57,199 INFO L470 AbstractCegarLoop]: Abstraction has 2966 states and 3770 transitions. [2021-11-20 06:22:57,199 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 states have internal predecessors, (96), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-11-20 06:22:57,199 INFO L276 IsEmpty]: Start isEmpty. Operand 2966 states and 3770 transitions. [2021-11-20 06:22:57,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-11-20 06:22:57,203 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:22:57,203 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:22:57,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-20 06:22:57,423 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2021-11-20 06:22:57,424 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-20 06:22:57,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:22:57,424 INFO L85 PathProgramCache]: Analyzing trace with hash -1386077338, now seen corresponding path program 1 times [2021-11-20 06:22:57,424 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:22:57,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564666473] [2021-11-20 06:22:57,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:22:57,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:22:57,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:57,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:22:57,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:57,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 06:22:57,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:57,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:22:57,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:57,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:22:57,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:57,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-20 06:22:57,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:57,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:57,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:58,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:22:58,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:58,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:22:58,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:58,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-20 06:22:58,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:58,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:58,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:58,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:22:58,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:58,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:22:58,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:58,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-20 06:22:58,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:58,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:58,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:58,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:22:58,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:58,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:22:58,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:58,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-20 06:22:58,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:58,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:58,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:58,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:22:58,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:58,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:22:58,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:58,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-20 06:22:58,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:58,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:58,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:58,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:22:58,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:58,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:22:58,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:58,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-20 06:22:58,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:58,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-11-20 06:22:58,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:58,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-11-20 06:22:58,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:58,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:58,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:58,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:58,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:58,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:58,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:58,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 06:22:58,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:58,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:22:58,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:58,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:58,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:58,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-20 06:22:58,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:58,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 06:22:58,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:58,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:22:58,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:58,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 06:22:58,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:58,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-20 06:22:58,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:58,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-11-20 06:22:58,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:58,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-20 06:22:58,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:58,271 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 6 proven. 61 refuted. 0 times theorem prover too weak. 434 trivial. 0 not checked. [2021-11-20 06:22:58,272 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:22:58,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564666473] [2021-11-20 06:22:58,272 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564666473] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 06:22:58,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1279643568] [2021-11-20 06:22:58,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:22:58,273 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:22:58,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:22:58,274 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:22:58,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-20 06:22:58,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:58,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 2049 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-20 06:22:58,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:22:59,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-20 06:22:59,634 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 501 trivial. 0 not checked. [2021-11-20 06:22:59,634 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 06:22:59,634 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1279643568] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:22:59,634 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 06:22:59,634 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [13] total 20 [2021-11-20 06:22:59,635 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150369607] [2021-11-20 06:22:59,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:22:59,635 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-20 06:22:59,636 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:22:59,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-20 06:22:59,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=338, Unknown=0, NotChecked=0, Total=380 [2021-11-20 06:22:59,636 INFO L87 Difference]: Start difference. First operand 2966 states and 3770 transitions. Second operand has 9 states, 8 states have (on average 11.0) internal successors, (88), 7 states have internal predecessors, (88), 4 states have call successors, (30), 4 states have call predecessors, (30), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-20 06:23:13,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:23:13,618 INFO L93 Difference]: Finished difference Result 6724 states and 8798 transitions. [2021-11-20 06:23:13,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 06:23:13,619 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.0) internal successors, (88), 7 states have internal predecessors, (88), 4 states have call successors, (30), 4 states have call predecessors, (30), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 241 [2021-11-20 06:23:13,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:23:13,641 INFO L225 Difference]: With dead ends: 6724 [2021-11-20 06:23:13,641 INFO L226 Difference]: Without dead ends: 3977 [2021-11-20 06:23:13,651 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 310 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=62, Invalid=490, Unknown=0, NotChecked=0, Total=552 [2021-11-20 06:23:13,652 INFO L933 BasicCegarLoop]: 1417 mSDtfsCounter, 515 mSDsluCounter, 4525 mSDsCounter, 0 mSdLazyCounter, 6130 mSolverCounterSat, 305 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 670 SdHoareTripleChecker+Valid, 5942 SdHoareTripleChecker+Invalid, 6435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 305 IncrementalHoareTripleChecker+Valid, 6130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2021-11-20 06:23:13,652 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [670 Valid, 5942 Invalid, 6435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [305 Valid, 6130 Invalid, 0 Unknown, 0 Unchecked, 13.1s Time] [2021-11-20 06:23:13,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3977 states. [2021-11-20 06:23:14,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3977 to 3048. [2021-11-20 06:23:14,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3048 states, 2030 states have (on average 1.199014778325123) internal successors, (2434), 2088 states have internal predecessors, (2434), 707 states have call successors, (707), 293 states have call predecessors, (707), 305 states have return successors, (760), 684 states have call predecessors, (760), 705 states have call successors, (760) [2021-11-20 06:23:14,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3048 states to 3048 states and 3901 transitions. [2021-11-20 06:23:14,317 INFO L78 Accepts]: Start accepts. Automaton has 3048 states and 3901 transitions. Word has length 241 [2021-11-20 06:23:14,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:23:14,318 INFO L470 AbstractCegarLoop]: Abstraction has 3048 states and 3901 transitions. [2021-11-20 06:23:14,319 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.0) internal successors, (88), 7 states have internal predecessors, (88), 4 states have call successors, (30), 4 states have call predecessors, (30), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-20 06:23:14,319 INFO L276 IsEmpty]: Start isEmpty. Operand 3048 states and 3901 transitions. [2021-11-20 06:23:14,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-11-20 06:23:14,323 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:23:14,323 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:23:14,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-20 06:23:14,547 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:23:14,548 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-20 06:23:14,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:23:14,549 INFO L85 PathProgramCache]: Analyzing trace with hash -1779104348, now seen corresponding path program 1 times [2021-11-20 06:23:14,549 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:23:14,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242089891] [2021-11-20 06:23:14,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:23:14,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:23:14,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:14,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:23:14,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:14,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 06:23:14,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:14,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:23:14,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:14,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:23:14,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:14,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-20 06:23:14,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:14,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:23:14,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:14,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:23:14,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:14,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:23:14,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:14,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-20 06:23:14,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:15,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:23:15,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:15,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:23:15,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:15,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:23:15,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:15,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-20 06:23:15,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:15,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:23:15,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:15,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:23:15,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:15,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:23:15,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:15,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-20 06:23:15,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:15,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:23:15,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:15,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:23:15,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:15,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:23:15,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:15,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-20 06:23:15,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:15,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:23:15,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:15,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:23:15,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:15,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:23:15,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:15,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-20 06:23:15,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:15,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-11-20 06:23:15,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:15,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-11-20 06:23:15,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:15,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:23:15,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:15,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:23:15,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:15,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:23:15,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:15,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 06:23:15,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:15,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:23:15,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:15,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:23:15,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:15,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-20 06:23:15,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:15,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 06:23:15,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:15,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:23:15,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:15,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 06:23:15,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:15,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-20 06:23:15,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:15,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-11-20 06:23:15,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:15,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-20 06:23:15,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:15,342 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 19 proven. 48 refuted. 0 times theorem prover too weak. 434 trivial. 0 not checked. [2021-11-20 06:23:15,343 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:23:15,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242089891] [2021-11-20 06:23:15,343 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242089891] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 06:23:15,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1798019600] [2021-11-20 06:23:15,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:23:15,344 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:23:15,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:23:15,345 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:23:15,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-20 06:23:16,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:16,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 2044 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-20 06:23:16,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:23:17,630 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 219 proven. 3 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2021-11-20 06:23:17,631 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:23:18,493 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 6 proven. 57 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2021-11-20 06:23:18,494 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1798019600] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 06:23:18,494 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 06:23:18,495 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8, 8] total 18 [2021-11-20 06:23:18,496 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526584897] [2021-11-20 06:23:18,496 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 06:23:18,497 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-20 06:23:18,498 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:23:18,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-20 06:23:18,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-11-20 06:23:18,499 INFO L87 Difference]: Start difference. First operand 3048 states and 3901 transitions. Second operand has 18 states, 17 states have (on average 9.470588235294118) internal successors, (161), 12 states have internal predecessors, (161), 5 states have call successors, (68), 6 states have call predecessors, (68), 5 states have return successors, (59), 6 states have call predecessors, (59), 5 states have call successors, (59) [2021-11-20 06:23:28,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:23:28,746 INFO L93 Difference]: Finished difference Result 7324 states and 9716 transitions. [2021-11-20 06:23:28,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-20 06:23:28,747 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 9.470588235294118) internal successors, (161), 12 states have internal predecessors, (161), 5 states have call successors, (68), 6 states have call predecessors, (68), 5 states have return successors, (59), 6 states have call predecessors, (59), 5 states have call successors, (59) Word has length 241 [2021-11-20 06:23:28,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:23:28,766 INFO L225 Difference]: With dead ends: 7324 [2021-11-20 06:23:28,766 INFO L226 Difference]: Without dead ends: 4318 [2021-11-20 06:23:28,776 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 583 GetRequests, 553 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=146, Invalid=784, Unknown=0, NotChecked=0, Total=930 [2021-11-20 06:23:28,777 INFO L933 BasicCegarLoop]: 1618 mSDtfsCounter, 1987 mSDsluCounter, 15010 mSDsCounter, 0 mSdLazyCounter, 5273 mSolverCounterSat, 1572 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1989 SdHoareTripleChecker+Valid, 16628 SdHoareTripleChecker+Invalid, 6845 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1572 IncrementalHoareTripleChecker+Valid, 5273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2021-11-20 06:23:28,778 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1989 Valid, 16628 Invalid, 6845 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1572 Valid, 5273 Invalid, 0 Unknown, 0 Unchecked, 9.0s Time] [2021-11-20 06:23:28,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4318 states. [2021-11-20 06:23:29,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4318 to 3050. [2021-11-20 06:23:29,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3050 states, 2031 states have (on average 1.1979320531757756) internal successors, (2433), 2087 states have internal predecessors, (2433), 707 states have call successors, (707), 293 states have call predecessors, (707), 306 states have return successors, (761), 684 states have call predecessors, (761), 705 states have call successors, (761) [2021-11-20 06:23:29,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3050 states to 3050 states and 3901 transitions. [2021-11-20 06:23:29,433 INFO L78 Accepts]: Start accepts. Automaton has 3050 states and 3901 transitions. Word has length 241 [2021-11-20 06:23:29,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:23:29,433 INFO L470 AbstractCegarLoop]: Abstraction has 3050 states and 3901 transitions. [2021-11-20 06:23:29,434 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 9.470588235294118) internal successors, (161), 12 states have internal predecessors, (161), 5 states have call successors, (68), 6 states have call predecessors, (68), 5 states have return successors, (59), 6 states have call predecessors, (59), 5 states have call successors, (59) [2021-11-20 06:23:29,434 INFO L276 IsEmpty]: Start isEmpty. Operand 3050 states and 3901 transitions. [2021-11-20 06:23:29,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2021-11-20 06:23:29,437 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:23:29,438 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 10, 10, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:23:29,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-20 06:23:29,663 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:23:29,664 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-20 06:23:29,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:23:29,664 INFO L85 PathProgramCache]: Analyzing trace with hash 1009337592, now seen corresponding path program 1 times [2021-11-20 06:23:29,665 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:23:29,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422429979] [2021-11-20 06:23:29,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:23:29,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:23:29,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:29,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:23:29,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:29,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 06:23:29,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:29,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:23:29,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:29,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:23:29,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:29,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-20 06:23:29,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:29,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-20 06:23:29,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:29,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-11-20 06:23:29,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:29,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:23:29,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:29,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-11-20 06:23:29,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:29,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-20 06:23:29,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:29,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-20 06:23:29,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:29,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-20 06:23:29,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:29,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:23:29,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:29,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:23:29,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:29,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:23:29,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:29,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-20 06:23:29,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:29,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:23:29,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:29,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:23:29,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:29,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:23:29,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:29,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-20 06:23:29,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:29,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:23:29,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:29,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:23:29,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:29,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:23:29,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:29,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-20 06:23:29,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:29,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-20 06:23:29,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:29,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-11-20 06:23:29,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:29,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:23:29,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:29,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-20 06:23:29,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:29,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:23:29,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:30,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-11-20 06:23:30,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:30,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-11-20 06:23:30,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:30,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-11-20 06:23:30,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:30,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-11-20 06:23:30,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:30,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:23:30,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:30,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-11-20 06:23:30,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:30,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:23:30,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:30,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:23:30,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:30,066 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2021-11-20 06:23:30,066 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:23:30,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422429979] [2021-11-20 06:23:30,067 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422429979] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:23:30,067 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:23:30,067 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-20 06:23:30,068 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074174664] [2021-11-20 06:23:30,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:23:30,070 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-20 06:23:30,070 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:23:30,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-20 06:23:30,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:23:30,071 INFO L87 Difference]: Start difference. First operand 3050 states and 3901 transitions. Second operand has 10 states, 10 states have (on average 8.8) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (32), 8 states have call predecessors, (32), 2 states have return successors, (30), 2 states have call predecessors, (30), 1 states have call successors, (30) [2021-11-20 06:23:37,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:23:37,898 INFO L93 Difference]: Finished difference Result 3170 states and 4043 transitions. [2021-11-20 06:23:37,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-20 06:23:37,898 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.8) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (32), 8 states have call predecessors, (32), 2 states have return successors, (30), 2 states have call predecessors, (30), 1 states have call successors, (30) Word has length 233 [2021-11-20 06:23:37,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:23:37,910 INFO L225 Difference]: With dead ends: 3170 [2021-11-20 06:23:37,910 INFO L226 Difference]: Without dead ends: 3168 [2021-11-20 06:23:37,912 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=181, Invalid=419, Unknown=0, NotChecked=0, Total=600 [2021-11-20 06:23:37,913 INFO L933 BasicCegarLoop]: 1515 mSDtfsCounter, 2247 mSDsluCounter, 5247 mSDsCounter, 0 mSdLazyCounter, 3637 mSolverCounterSat, 1868 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2343 SdHoareTripleChecker+Valid, 6762 SdHoareTripleChecker+Invalid, 5505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1868 IncrementalHoareTripleChecker+Valid, 3637 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2021-11-20 06:23:37,913 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2343 Valid, 6762 Invalid, 5505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1868 Valid, 3637 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2021-11-20 06:23:37,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3168 states. [2021-11-20 06:23:38,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3168 to 3140. [2021-11-20 06:23:38,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3140 states, 2095 states have (on average 1.1966587112171838) internal successors, (2507), 2151 states have internal predecessors, (2507), 723 states have call successors, (723), 303 states have call predecessors, (723), 316 states have return successors, (777), 700 states have call predecessors, (777), 721 states have call successors, (777) [2021-11-20 06:23:38,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3140 states to 3140 states and 4007 transitions. [2021-11-20 06:23:38,467 INFO L78 Accepts]: Start accepts. Automaton has 3140 states and 4007 transitions. Word has length 233 [2021-11-20 06:23:38,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:23:38,467 INFO L470 AbstractCegarLoop]: Abstraction has 3140 states and 4007 transitions. [2021-11-20 06:23:38,468 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.8) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (32), 8 states have call predecessors, (32), 2 states have return successors, (30), 2 states have call predecessors, (30), 1 states have call successors, (30) [2021-11-20 06:23:38,468 INFO L276 IsEmpty]: Start isEmpty. Operand 3140 states and 4007 transitions. [2021-11-20 06:23:38,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2021-11-20 06:23:38,471 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:23:38,471 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 10, 10, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:23:38,472 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-11-20 06:23:38,472 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-20 06:23:38,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:23:38,472 INFO L85 PathProgramCache]: Analyzing trace with hash 503778967, now seen corresponding path program 1 times [2021-11-20 06:23:38,472 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:23:38,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835068002] [2021-11-20 06:23:38,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:23:38,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:23:38,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:38,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:23:38,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:38,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 06:23:38,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:38,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:23:38,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:38,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:23:38,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:38,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-20 06:23:38,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:38,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-20 06:23:38,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:38,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-11-20 06:23:38,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:38,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:23:38,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:38,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-11-20 06:23:38,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:38,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-20 06:23:38,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:38,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-20 06:23:38,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:38,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-20 06:23:38,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:38,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:23:38,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:38,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:23:38,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:38,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:23:38,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:38,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-20 06:23:38,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:38,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:23:38,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:38,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:23:38,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:38,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:23:38,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:38,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-20 06:23:38,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:38,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:23:38,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:38,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:23:38,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:38,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:23:38,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:38,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-20 06:23:38,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:38,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-20 06:23:38,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:38,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-11-20 06:23:38,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:38,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:23:38,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:38,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-20 06:23:38,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:38,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:23:38,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:38,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-11-20 06:23:38,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:38,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-11-20 06:23:38,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:38,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-11-20 06:23:38,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:38,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-11-20 06:23:38,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:38,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:23:38,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:38,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-11-20 06:23:38,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:38,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:23:38,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:38,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:23:38,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:38,817 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2021-11-20 06:23:38,817 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:23:38,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835068002] [2021-11-20 06:23:38,818 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835068002] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:23:38,818 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:23:38,818 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-20 06:23:38,818 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277625760] [2021-11-20 06:23:38,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:23:38,820 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-20 06:23:38,820 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:23:38,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-20 06:23:38,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-11-20 06:23:38,822 INFO L87 Difference]: Start difference. First operand 3140 states and 4007 transitions. Second operand has 11 states, 11 states have (on average 8.0) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (32), 7 states have call predecessors, (32), 2 states have return successors, (30), 2 states have call predecessors, (30), 1 states have call successors, (30) [2021-11-20 06:23:45,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:23:45,575 INFO L93 Difference]: Finished difference Result 7620 states and 10205 transitions. [2021-11-20 06:23:45,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-20 06:23:45,576 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.0) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (32), 7 states have call predecessors, (32), 2 states have return successors, (30), 2 states have call predecessors, (30), 1 states have call successors, (30) Word has length 233 [2021-11-20 06:23:45,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:23:45,608 INFO L225 Difference]: With dead ends: 7620 [2021-11-20 06:23:45,608 INFO L226 Difference]: Without dead ends: 5165 [2021-11-20 06:23:45,618 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=98, Invalid=322, Unknown=0, NotChecked=0, Total=420 [2021-11-20 06:23:45,619 INFO L933 BasicCegarLoop]: 1670 mSDtfsCounter, 2177 mSDsluCounter, 8345 mSDsCounter, 0 mSdLazyCounter, 3406 mSolverCounterSat, 1601 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2271 SdHoareTripleChecker+Valid, 10015 SdHoareTripleChecker+Invalid, 5007 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1601 IncrementalHoareTripleChecker+Valid, 3406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2021-11-20 06:23:45,619 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2271 Valid, 10015 Invalid, 5007 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1601 Valid, 3406 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2021-11-20 06:23:45,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5165 states. [2021-11-20 06:23:46,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5165 to 3048. [2021-11-20 06:23:46,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3048 states, 2035 states have (on average 1.1916461916461916) internal successors, (2425), 2087 states have internal predecessors, (2425), 703 states have call successors, (703), 287 states have call predecessors, (703), 304 states have return successors, (761), 688 states have call predecessors, (761), 701 states have call successors, (761) [2021-11-20 06:23:46,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3048 states to 3048 states and 3889 transitions. [2021-11-20 06:23:46,235 INFO L78 Accepts]: Start accepts. Automaton has 3048 states and 3889 transitions. Word has length 233 [2021-11-20 06:23:46,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:23:46,235 INFO L470 AbstractCegarLoop]: Abstraction has 3048 states and 3889 transitions. [2021-11-20 06:23:46,235 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.0) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (32), 7 states have call predecessors, (32), 2 states have return successors, (30), 2 states have call predecessors, (30), 1 states have call successors, (30) [2021-11-20 06:23:46,235 INFO L276 IsEmpty]: Start isEmpty. Operand 3048 states and 3889 transitions. [2021-11-20 06:23:46,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2021-11-20 06:23:46,240 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:23:46,240 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:23:46,240 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-11-20 06:23:46,240 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-20 06:23:46,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:23:46,241 INFO L85 PathProgramCache]: Analyzing trace with hash 791553860, now seen corresponding path program 1 times [2021-11-20 06:23:46,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:23:46,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586451395] [2021-11-20 06:23:46,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:23:46,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:23:46,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:46,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:23:46,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:46,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 06:23:46,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:46,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:23:46,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:46,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:23:46,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:46,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-20 06:23:46,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:46,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:23:46,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:46,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:23:46,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:46,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:23:46,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:46,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-20 06:23:46,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:46,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-20 06:23:46,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:46,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:23:46,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:46,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:23:46,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:46,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:23:46,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:46,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-20 06:23:46,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:46,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-20 06:23:46,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:46,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:23:46,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:46,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:23:46,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:46,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:23:46,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:46,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-20 06:23:46,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:46,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:23:46,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:46,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:23:46,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:46,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:23:46,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:46,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-20 06:23:46,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:46,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:23:46,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:46,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:23:46,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:46,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:23:46,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:46,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-11-20 06:23:46,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:46,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-11-20 06:23:46,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:47,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-20 06:23:47,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:47,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:23:47,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:47,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:23:47,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:47,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:23:47,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:47,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 06:23:47,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:47,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:23:47,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:47,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:23:47,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:47,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-20 06:23:47,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:47,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 06:23:47,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:47,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:23:47,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:47,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 06:23:47,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:47,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-11-20 06:23:47,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:47,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-11-20 06:23:47,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:47,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-20 06:23:47,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:47,279 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2021-11-20 06:23:47,280 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:23:47,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586451395] [2021-11-20 06:23:47,280 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586451395] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:23:47,280 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:23:47,280 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-11-20 06:23:47,281 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335191846] [2021-11-20 06:23:47,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:23:47,282 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-11-20 06:23:47,283 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:23:47,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-11-20 06:23:47,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=378, Unknown=0, NotChecked=0, Total=420 [2021-11-20 06:23:47,284 INFO L87 Difference]: Start difference. First operand 3048 states and 3889 transitions. Second operand has 21 states, 20 states have (on average 4.5) internal successors, (90), 12 states have internal predecessors, (90), 7 states have call successors, (32), 8 states have call predecessors, (32), 4 states have return successors, (30), 7 states have call predecessors, (30), 5 states have call successors, (30) [2021-11-20 06:24:06,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:24:06,125 INFO L93 Difference]: Finished difference Result 6707 states and 9046 transitions. [2021-11-20 06:24:06,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-20 06:24:06,126 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 4.5) internal successors, (90), 12 states have internal predecessors, (90), 7 states have call successors, (32), 8 states have call predecessors, (32), 4 states have return successors, (30), 7 states have call predecessors, (30), 5 states have call successors, (30) Word has length 249 [2021-11-20 06:24:06,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:24:06,148 INFO L225 Difference]: With dead ends: 6707 [2021-11-20 06:24:06,148 INFO L226 Difference]: Without dead ends: 5176 [2021-11-20 06:24:06,155 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 274 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=301, Invalid=1505, Unknown=0, NotChecked=0, Total=1806 [2021-11-20 06:24:06,156 INFO L933 BasicCegarLoop]: 1922 mSDtfsCounter, 1787 mSDsluCounter, 23982 mSDsCounter, 0 mSdLazyCounter, 11689 mSolverCounterSat, 1274 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2068 SdHoareTripleChecker+Valid, 25904 SdHoareTripleChecker+Invalid, 12963 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1274 IncrementalHoareTripleChecker+Valid, 11689 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.2s IncrementalHoareTripleChecker+Time [2021-11-20 06:24:06,156 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2068 Valid, 25904 Invalid, 12963 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1274 Valid, 11689 Invalid, 0 Unknown, 0 Unchecked, 17.2s Time] [2021-11-20 06:24:06,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5176 states. [2021-11-20 06:24:06,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5176 to 3079. [2021-11-20 06:24:06,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3079 states, 2051 states have (on average 1.190151145782545) internal successors, (2441), 2104 states have internal predecessors, (2441), 715 states have call successors, (715), 289 states have call predecessors, (715), 307 states have return successors, (778), 700 states have call predecessors, (778), 713 states have call successors, (778) [2021-11-20 06:24:06,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3079 states to 3079 states and 3934 transitions. [2021-11-20 06:24:06,882 INFO L78 Accepts]: Start accepts. Automaton has 3079 states and 3934 transitions. Word has length 249 [2021-11-20 06:24:06,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:24:06,882 INFO L470 AbstractCegarLoop]: Abstraction has 3079 states and 3934 transitions. [2021-11-20 06:24:06,883 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 4.5) internal successors, (90), 12 states have internal predecessors, (90), 7 states have call successors, (32), 8 states have call predecessors, (32), 4 states have return successors, (30), 7 states have call predecessors, (30), 5 states have call successors, (30) [2021-11-20 06:24:06,883 INFO L276 IsEmpty]: Start isEmpty. Operand 3079 states and 3934 transitions. [2021-11-20 06:24:06,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2021-11-20 06:24:06,887 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:24:06,887 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:24:06,887 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-11-20 06:24:06,887 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-20 06:24:06,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:24:06,888 INFO L85 PathProgramCache]: Analyzing trace with hash 279468932, now seen corresponding path program 1 times [2021-11-20 06:24:06,888 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:24:06,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256181077] [2021-11-20 06:24:06,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:24:06,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:24:07,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:07,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:24:07,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:07,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 06:24:07,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:07,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:24:07,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:07,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:24:07,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:07,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-20 06:24:07,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:07,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:24:07,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:07,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:24:07,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:07,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:24:07,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:07,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-20 06:24:07,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:07,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-20 06:24:07,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:07,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:24:07,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:07,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:24:07,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:07,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:24:07,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:07,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-20 06:24:07,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:07,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-20 06:24:07,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:07,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:24:07,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:07,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:24:07,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:07,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:24:07,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:07,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-20 06:24:07,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:07,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:24:07,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:07,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:24:07,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:07,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:24:07,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:07,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-20 06:24:07,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:07,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:24:07,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:07,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:24:07,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:07,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:24:07,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:07,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-11-20 06:24:07,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:07,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-11-20 06:24:07,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:07,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-20 06:24:07,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:07,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:24:07,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:07,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:24:07,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:07,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:24:07,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:07,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 06:24:07,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:07,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:24:07,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:07,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:24:07,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:07,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-20 06:24:07,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:07,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 06:24:07,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:07,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:24:07,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:07,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 06:24:07,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:07,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-11-20 06:24:07,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:07,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-11-20 06:24:07,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:07,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-20 06:24:07,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:08,038 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2021-11-20 06:24:08,038 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:24:08,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256181077] [2021-11-20 06:24:08,038 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256181077] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:24:08,038 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:24:08,038 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2021-11-20 06:24:08,039 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379512819] [2021-11-20 06:24:08,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:24:08,039 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-11-20 06:24:08,039 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:24:08,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-11-20 06:24:08,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=457, Unknown=0, NotChecked=0, Total=506 [2021-11-20 06:24:08,040 INFO L87 Difference]: Start difference. First operand 3079 states and 3934 transitions. Second operand has 23 states, 22 states have (on average 4.136363636363637) internal successors, (91), 14 states have internal predecessors, (91), 7 states have call successors, (32), 8 states have call predecessors, (32), 4 states have return successors, (30), 7 states have call predecessors, (30), 5 states have call successors, (30) [2021-11-20 06:24:30,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:24:30,774 INFO L93 Difference]: Finished difference Result 6735 states and 9082 transitions. [2021-11-20 06:24:30,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-20 06:24:30,775 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 4.136363636363637) internal successors, (91), 14 states have internal predecessors, (91), 7 states have call successors, (32), 8 states have call predecessors, (32), 4 states have return successors, (30), 7 states have call predecessors, (30), 5 states have call successors, (30) Word has length 250 [2021-11-20 06:24:30,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:24:30,793 INFO L225 Difference]: With dead ends: 6735 [2021-11-20 06:24:30,793 INFO L226 Difference]: Without dead ends: 5204 [2021-11-20 06:24:30,800 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 404 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=368, Invalid=2082, Unknown=0, NotChecked=0, Total=2450 [2021-11-20 06:24:30,801 INFO L933 BasicCegarLoop]: 1859 mSDtfsCounter, 2071 mSDsluCounter, 23966 mSDsCounter, 0 mSdLazyCounter, 13803 mSolverCounterSat, 1708 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2354 SdHoareTripleChecker+Valid, 25825 SdHoareTripleChecker+Invalid, 15511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1708 IncrementalHoareTripleChecker+Valid, 13803 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.9s IncrementalHoareTripleChecker+Time [2021-11-20 06:24:30,801 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2354 Valid, 25825 Invalid, 15511 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1708 Valid, 13803 Invalid, 0 Unknown, 0 Unchecked, 20.9s Time] [2021-11-20 06:24:30,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5204 states. [2021-11-20 06:24:31,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5204 to 3079. [2021-11-20 06:24:31,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3079 states, 2051 states have (on average 1.190151145782545) internal successors, (2441), 2104 states have internal predecessors, (2441), 715 states have call successors, (715), 289 states have call predecessors, (715), 307 states have return successors, (776), 700 states have call predecessors, (776), 713 states have call successors, (776) [2021-11-20 06:24:31,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3079 states to 3079 states and 3932 transitions. [2021-11-20 06:24:31,390 INFO L78 Accepts]: Start accepts. Automaton has 3079 states and 3932 transitions. Word has length 250 [2021-11-20 06:24:31,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:24:31,391 INFO L470 AbstractCegarLoop]: Abstraction has 3079 states and 3932 transitions. [2021-11-20 06:24:31,391 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 4.136363636363637) internal successors, (91), 14 states have internal predecessors, (91), 7 states have call successors, (32), 8 states have call predecessors, (32), 4 states have return successors, (30), 7 states have call predecessors, (30), 5 states have call successors, (30) [2021-11-20 06:24:31,391 INFO L276 IsEmpty]: Start isEmpty. Operand 3079 states and 3932 transitions. [2021-11-20 06:24:31,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2021-11-20 06:24:31,394 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:24:31,394 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 8, 8, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:24:31,395 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-11-20 06:24:31,395 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-20 06:24:31,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:24:31,395 INFO L85 PathProgramCache]: Analyzing trace with hash -1077801678, now seen corresponding path program 1 times [2021-11-20 06:24:31,396 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:24:31,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698270444] [2021-11-20 06:24:31,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:24:31,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:24:31,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:31,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:24:31,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:31,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 06:24:31,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:31,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:24:31,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:31,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:24:31,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:31,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-20 06:24:31,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:31,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-20 06:24:31,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:31,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-11-20 06:24:31,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:31,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:24:31,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:31,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-11-20 06:24:31,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:31,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-20 06:24:31,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:31,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-20 06:24:31,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:31,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-20 06:24:31,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:31,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:24:31,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:31,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:24:31,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:31,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:24:31,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:31,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-20 06:24:31,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:31,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:24:31,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:31,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:24:31,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:31,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:24:31,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:31,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-20 06:24:31,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:31,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:24:31,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:31,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:24:31,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:31,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:24:31,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:31,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-20 06:24:31,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:31,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-20 06:24:31,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:31,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-11-20 06:24:31,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:31,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:24:31,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:31,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-20 06:24:31,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:31,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 06:24:31,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:31,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:24:31,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:31,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-11-20 06:24:31,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:31,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:24:31,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:31,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-11-20 06:24:31,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:31,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-11-20 06:24:31,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:31,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:24:31,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:31,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:24:31,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:31,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-20 06:24:31,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:31,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:24:31,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:31,753 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 394 trivial. 0 not checked. [2021-11-20 06:24:31,753 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:24:31,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698270444] [2021-11-20 06:24:31,753 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698270444] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:24:31,754 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:24:31,754 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-20 06:24:31,754 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536623830] [2021-11-20 06:24:31,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:24:31,755 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-20 06:24:31,755 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:24:31,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-20 06:24:31,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-11-20 06:24:31,756 INFO L87 Difference]: Start difference. First operand 3079 states and 3932 transitions. Second operand has 11 states, 11 states have (on average 8.181818181818182) internal successors, (90), 5 states have internal predecessors, (90), 2 states have call successors, (34), 7 states have call predecessors, (34), 2 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-20 06:24:37,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:24:37,862 INFO L93 Difference]: Finished difference Result 7418 states and 9920 transitions. [2021-11-20 06:24:37,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-20 06:24:37,863 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.181818181818182) internal successors, (90), 5 states have internal predecessors, (90), 2 states have call successors, (34), 7 states have call predecessors, (34), 2 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) Word has length 232 [2021-11-20 06:24:37,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:24:37,879 INFO L225 Difference]: With dead ends: 7418 [2021-11-20 06:24:37,880 INFO L226 Difference]: Without dead ends: 5055 [2021-11-20 06:24:37,886 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=98, Invalid=322, Unknown=0, NotChecked=0, Total=420 [2021-11-20 06:24:37,887 INFO L933 BasicCegarLoop]: 1680 mSDtfsCounter, 2198 mSDsluCounter, 8436 mSDsCounter, 0 mSdLazyCounter, 3390 mSolverCounterSat, 1595 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2293 SdHoareTripleChecker+Valid, 10116 SdHoareTripleChecker+Invalid, 4985 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1595 IncrementalHoareTripleChecker+Valid, 3390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2021-11-20 06:24:37,887 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2293 Valid, 10116 Invalid, 4985 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1595 Valid, 3390 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2021-11-20 06:24:37,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5055 states. [2021-11-20 06:24:38,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5055 to 3038. [2021-11-20 06:24:38,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3038 states, 2029 states have (on average 1.188270083785116) internal successors, (2411), 2078 states have internal predecessors, (2411), 697 states have call successors, (697), 288 states have call predecessors, (697), 306 states have return successors, (758), 686 states have call predecessors, (758), 695 states have call successors, (758) [2021-11-20 06:24:38,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3038 states to 3038 states and 3866 transitions. [2021-11-20 06:24:38,478 INFO L78 Accepts]: Start accepts. Automaton has 3038 states and 3866 transitions. Word has length 232 [2021-11-20 06:24:38,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:24:38,479 INFO L470 AbstractCegarLoop]: Abstraction has 3038 states and 3866 transitions. [2021-11-20 06:24:38,479 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.181818181818182) internal successors, (90), 5 states have internal predecessors, (90), 2 states have call successors, (34), 7 states have call predecessors, (34), 2 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-20 06:24:38,479 INFO L276 IsEmpty]: Start isEmpty. Operand 3038 states and 3866 transitions. [2021-11-20 06:24:38,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2021-11-20 06:24:38,483 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:24:38,483 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:24:38,483 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-11-20 06:24:38,483 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-20 06:24:38,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:24:38,484 INFO L85 PathProgramCache]: Analyzing trace with hash -583106957, now seen corresponding path program 1 times [2021-11-20 06:24:38,484 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:24:38,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119589815] [2021-11-20 06:24:38,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:24:38,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:24:38,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:38,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:24:38,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:38,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 06:24:38,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:39,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:24:39,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:39,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:24:39,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:39,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-20 06:24:39,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:39,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:24:39,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:39,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:24:39,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:39,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:24:39,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:39,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-20 06:24:39,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:39,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-20 06:24:39,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:39,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:24:39,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:39,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:24:39,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:39,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:24:39,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:39,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-20 06:24:39,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:39,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-20 06:24:39,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:39,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:24:39,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:39,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:24:39,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:39,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:24:39,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:39,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-20 06:24:39,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:39,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:24:39,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:39,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:24:39,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:39,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:24:39,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:39,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-20 06:24:39,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:39,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:24:39,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:39,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:24:39,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:39,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:24:39,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:39,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-11-20 06:24:39,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:39,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-11-20 06:24:39,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:39,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-20 06:24:39,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:39,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:24:39,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:39,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:24:39,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:39,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:24:39,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:39,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 06:24:39,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:39,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:24:39,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:39,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:24:39,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:39,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-20 06:24:39,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:39,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 06:24:39,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:39,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:24:39,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:39,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 06:24:39,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:39,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-11-20 06:24:39,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:39,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-11-20 06:24:39,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:39,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-20 06:24:39,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:39,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-11-20 06:24:39,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:39,425 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2021-11-20 06:24:39,425 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:24:39,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119589815] [2021-11-20 06:24:39,427 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119589815] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 06:24:39,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [135955985] [2021-11-20 06:24:39,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:24:39,427 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:24:39,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:39,433 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:24:39,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-20 06:24:40,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:40,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 2104 conjuncts, 57 conjunts are in the unsatisfiable core [2021-11-20 06:24:40,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:24:41,023 INFO L354 Elim1Store]: treesize reduction 199, result has 12.3 percent of original size [2021-11-20 06:24:41,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 34 treesize of output 28 [2021-11-20 06:24:41,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:24:41,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:24:41,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:24:41,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:24:41,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:24:41,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:24:41,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 28 [2021-11-20 06:24:41,755 INFO L354 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2021-11-20 06:24:41,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 73 treesize of output 49 [2021-11-20 06:24:41,765 INFO L354 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2021-11-20 06:24:41,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 16 [2021-11-20 06:24:41,786 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2021-11-20 06:24:41,786 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:24:42,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 73 [2021-11-20 06:24:42,389 INFO L354 Elim1Store]: treesize reduction 239, result has 0.4 percent of original size [2021-11-20 06:24:42,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 77 treesize of output 1 [2021-11-20 06:24:42,929 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2021-11-20 06:24:42,930 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [135955985] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-20 06:24:42,930 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-20 06:24:42,930 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [22, 10] total 33 [2021-11-20 06:24:42,930 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424755623] [2021-11-20 06:24:42,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:24:42,931 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-20 06:24:42,931 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:24:42,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-20 06:24:42,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=976, Unknown=0, NotChecked=0, Total=1056 [2021-11-20 06:24:42,932 INFO L87 Difference]: Start difference. First operand 3038 states and 3866 transitions. Second operand has 9 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 4 states have call successors, (33), 4 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-11-20 06:24:45,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:24:45,798 INFO L93 Difference]: Finished difference Result 4642 states and 5871 transitions. [2021-11-20 06:24:45,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-20 06:24:45,799 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 4 states have call successors, (33), 4 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 255 [2021-11-20 06:24:45,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:24:45,810 INFO L225 Difference]: With dead ends: 4642 [2021-11-20 06:24:45,810 INFO L226 Difference]: Without dead ends: 3114 [2021-11-20 06:24:45,816 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 613 GetRequests, 578 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=92, Invalid=1168, Unknown=0, NotChecked=0, Total=1260 [2021-11-20 06:24:45,817 INFO L933 BasicCegarLoop]: 1203 mSDtfsCounter, 45 mSDsluCounter, 7418 mSDsCounter, 0 mSdLazyCounter, 472 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 8621 SdHoareTripleChecker+Invalid, 1111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 622 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-20 06:24:45,817 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [60 Valid, 8621 Invalid, 1111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 472 Invalid, 0 Unknown, 622 Unchecked, 2.2s Time] [2021-11-20 06:24:45,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3114 states. [2021-11-20 06:24:46,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3114 to 3104. [2021-11-20 06:24:46,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3104 states, 2069 states have (on average 1.1855969067182213) internal successors, (2453), 2122 states have internal predecessors, (2453), 715 states have call successors, (715), 294 states have call predecessors, (715), 314 states have return successors, (794), 702 states have call predecessors, (794), 713 states have call successors, (794) [2021-11-20 06:24:46,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3104 states to 3104 states and 3962 transitions. [2021-11-20 06:24:46,339 INFO L78 Accepts]: Start accepts. Automaton has 3104 states and 3962 transitions. Word has length 255 [2021-11-20 06:24:46,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:24:46,340 INFO L470 AbstractCegarLoop]: Abstraction has 3104 states and 3962 transitions. [2021-11-20 06:24:46,340 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 4 states have call successors, (33), 4 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-11-20 06:24:46,340 INFO L276 IsEmpty]: Start isEmpty. Operand 3104 states and 3962 transitions. [2021-11-20 06:24:46,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2021-11-20 06:24:46,344 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:24:46,344 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:24:46,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:46,571 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:24:46,572 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-20 06:24:46,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:24:46,572 INFO L85 PathProgramCache]: Analyzing trace with hash 953189043, now seen corresponding path program 1 times [2021-11-20 06:24:46,572 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:24:46,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276001174] [2021-11-20 06:24:46,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:24:46,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:24:46,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:46,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:24:46,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:46,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 06:24:46,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:46,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:24:46,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:46,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:24:46,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:46,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-20 06:24:46,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:46,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:24:46,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:46,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:24:46,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:46,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:24:46,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:46,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-20 06:24:46,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:46,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-20 06:24:46,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:46,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:24:46,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:46,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:24:46,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:46,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:24:46,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:46,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-20 06:24:46,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:46,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-20 06:24:46,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:47,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:24:47,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:47,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:24:47,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:47,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:24:47,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:47,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-20 06:24:47,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:47,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:24:47,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:47,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:24:47,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:47,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:24:47,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:47,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-20 06:24:47,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:47,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:24:47,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:47,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:24:47,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:47,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:24:47,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:47,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-11-20 06:24:47,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:47,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-11-20 06:24:47,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:47,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-20 06:24:47,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:47,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:24:47,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:47,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:24:47,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:47,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:24:47,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:47,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 06:24:47,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:47,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:24:47,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:47,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:24:47,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:47,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-20 06:24:47,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:47,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 06:24:47,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:47,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:24:47,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:47,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 06:24:47,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:47,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-11-20 06:24:47,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:47,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-11-20 06:24:47,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:47,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-20 06:24:47,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:47,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-20 06:24:47,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:47,521 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2021-11-20 06:24:47,521 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:24:47,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276001174] [2021-11-20 06:24:47,521 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276001174] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:24:47,521 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:24:47,522 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-11-20 06:24:47,522 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518544609] [2021-11-20 06:24:47,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:24:47,522 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-11-20 06:24:47,522 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:24:47,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-11-20 06:24:47,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=417, Unknown=0, NotChecked=0, Total=462 [2021-11-20 06:24:47,523 INFO L87 Difference]: Start difference. First operand 3104 states and 3962 transitions. Second operand has 22 states, 21 states have (on average 4.523809523809524) internal successors, (95), 13 states have internal predecessors, (95), 7 states have call successors, (33), 9 states have call predecessors, (33), 4 states have return successors, (31), 7 states have call predecessors, (31), 6 states have call successors, (31) [2021-11-20 06:25:07,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:25:07,481 INFO L93 Difference]: Finished difference Result 8002 states and 10699 transitions. [2021-11-20 06:25:07,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-20 06:25:07,482 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 4.523809523809524) internal successors, (95), 13 states have internal predecessors, (95), 7 states have call successors, (33), 9 states have call predecessors, (33), 4 states have return successors, (31), 7 states have call predecessors, (31), 6 states have call successors, (31) Word has length 256 [2021-11-20 06:25:07,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:25:07,498 INFO L225 Difference]: With dead ends: 8002 [2021-11-20 06:25:07,499 INFO L226 Difference]: Without dead ends: 5253 [2021-11-20 06:25:07,508 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 499 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=405, Invalid=2045, Unknown=0, NotChecked=0, Total=2450 [2021-11-20 06:25:07,509 INFO L933 BasicCegarLoop]: 1928 mSDtfsCounter, 2445 mSDsluCounter, 19695 mSDsCounter, 0 mSdLazyCounter, 11508 mSolverCounterSat, 2189 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2734 SdHoareTripleChecker+Valid, 21623 SdHoareTripleChecker+Invalid, 13697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2189 IncrementalHoareTripleChecker+Valid, 11508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.0s IncrementalHoareTripleChecker+Time [2021-11-20 06:25:07,510 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2734 Valid, 21623 Invalid, 13697 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2189 Valid, 11508 Invalid, 0 Unknown, 0 Unchecked, 18.0s Time] [2021-11-20 06:25:07,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5253 states. [2021-11-20 06:25:08,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5253 to 3114. [2021-11-20 06:25:08,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3114 states, 2073 states have (on average 1.1842739990352147) internal successors, (2455), 2125 states have internal predecessors, (2455), 720 states have call successors, (720), 294 states have call predecessors, (720), 315 states have return successors, (785), 710 states have call predecessors, (785), 718 states have call successors, (785) [2021-11-20 06:25:08,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3114 states to 3114 states and 3960 transitions. [2021-11-20 06:25:08,204 INFO L78 Accepts]: Start accepts. Automaton has 3114 states and 3960 transitions. Word has length 256 [2021-11-20 06:25:08,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:25:08,205 INFO L470 AbstractCegarLoop]: Abstraction has 3114 states and 3960 transitions. [2021-11-20 06:25:08,205 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 4.523809523809524) internal successors, (95), 13 states have internal predecessors, (95), 7 states have call successors, (33), 9 states have call predecessors, (33), 4 states have return successors, (31), 7 states have call predecessors, (31), 6 states have call successors, (31) [2021-11-20 06:25:08,205 INFO L276 IsEmpty]: Start isEmpty. Operand 3114 states and 3960 transitions. [2021-11-20 06:25:08,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2021-11-20 06:25:08,209 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:25:08,210 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 10, 10, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:25:08,210 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-11-20 06:25:08,210 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-20 06:25:08,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:25:08,211 INFO L85 PathProgramCache]: Analyzing trace with hash -1090773956, now seen corresponding path program 1 times [2021-11-20 06:25:08,211 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:25:08,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75044319] [2021-11-20 06:25:08,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:25:08,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:25:08,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:08,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:25:08,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:08,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 06:25:08,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:08,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:25:08,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:08,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:25:08,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:08,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-20 06:25:08,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:08,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-20 06:25:08,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:08,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-11-20 06:25:08,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:08,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:08,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:08,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-11-20 06:25:08,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:08,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-20 06:25:08,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:08,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-20 06:25:08,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:08,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-20 06:25:08,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:08,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:08,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:08,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:25:08,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:08,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:25:08,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:08,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-20 06:25:08,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:08,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:08,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:08,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:25:08,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:08,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:25:08,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:08,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-20 06:25:08,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:08,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:08,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:08,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:25:08,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:08,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:25:08,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:08,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-20 06:25:08,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:08,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-20 06:25:08,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:08,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-11-20 06:25:08,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:08,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:08,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:08,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-20 06:25:08,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:08,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:08,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:08,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-11-20 06:25:08,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:08,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-11-20 06:25:08,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:08,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-11-20 06:25:08,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:08,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-11-20 06:25:08,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:08,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:08,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:08,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-11-20 06:25:08,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:08,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:08,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:08,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:25:08,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:08,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-11-20 06:25:08,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:08,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:08,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:08,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-11-20 06:25:08,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:08,713 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2021-11-20 06:25:08,714 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:25:08,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75044319] [2021-11-20 06:25:08,714 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75044319] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:25:08,714 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:25:08,715 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-11-20 06:25:08,715 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105280004] [2021-11-20 06:25:08,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:25:08,716 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-20 06:25:08,716 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:25:08,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-20 06:25:08,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-11-20 06:25:08,717 INFO L87 Difference]: Start difference. First operand 3114 states and 3960 transitions. Second operand has 13 states, 12 states have (on average 8.333333333333334) internal successors, (100), 6 states have internal predecessors, (100), 4 states have call successors, (35), 9 states have call predecessors, (35), 2 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-11-20 06:25:17,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:25:17,694 INFO L93 Difference]: Finished difference Result 6633 states and 8671 transitions. [2021-11-20 06:25:17,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-20 06:25:17,694 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 8.333333333333334) internal successors, (100), 6 states have internal predecessors, (100), 4 states have call successors, (35), 9 states have call predecessors, (35), 2 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 251 [2021-11-20 06:25:17,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:25:17,704 INFO L225 Difference]: With dead ends: 6633 [2021-11-20 06:25:17,704 INFO L226 Difference]: Without dead ends: 4298 [2021-11-20 06:25:17,710 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=259, Invalid=733, Unknown=0, NotChecked=0, Total=992 [2021-11-20 06:25:17,711 INFO L933 BasicCegarLoop]: 1498 mSDtfsCounter, 2158 mSDsluCounter, 9511 mSDsCounter, 0 mSdLazyCounter, 3970 mSolverCounterSat, 2109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2263 SdHoareTripleChecker+Valid, 11009 SdHoareTripleChecker+Invalid, 6079 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2109 IncrementalHoareTripleChecker+Valid, 3970 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2021-11-20 06:25:17,711 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2263 Valid, 11009 Invalid, 6079 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2109 Valid, 3970 Invalid, 0 Unknown, 0 Unchecked, 7.7s Time] [2021-11-20 06:25:17,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4298 states. [2021-11-20 06:25:18,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4298 to 3114. [2021-11-20 06:25:18,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3114 states, 2073 states have (on average 1.182344428364689) internal successors, (2451), 2125 states have internal predecessors, (2451), 720 states have call successors, (720), 294 states have call predecessors, (720), 315 states have return successors, (785), 710 states have call predecessors, (785), 718 states have call successors, (785) [2021-11-20 06:25:18,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3114 states to 3114 states and 3956 transitions. [2021-11-20 06:25:18,304 INFO L78 Accepts]: Start accepts. Automaton has 3114 states and 3956 transitions. Word has length 251 [2021-11-20 06:25:18,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:25:18,304 INFO L470 AbstractCegarLoop]: Abstraction has 3114 states and 3956 transitions. [2021-11-20 06:25:18,305 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 8.333333333333334) internal successors, (100), 6 states have internal predecessors, (100), 4 states have call successors, (35), 9 states have call predecessors, (35), 2 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-11-20 06:25:18,305 INFO L276 IsEmpty]: Start isEmpty. Operand 3114 states and 3956 transitions. [2021-11-20 06:25:18,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2021-11-20 06:25:18,308 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:25:18,309 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 16, 10, 10, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:25:18,309 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-11-20 06:25:18,309 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-20 06:25:18,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:25:18,310 INFO L85 PathProgramCache]: Analyzing trace with hash 981994073, now seen corresponding path program 1 times [2021-11-20 06:25:18,310 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:25:18,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564349122] [2021-11-20 06:25:18,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:25:18,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:25:18,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:18,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:25:18,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:18,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 06:25:18,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:18,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:25:18,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:18,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:25:18,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:18,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-20 06:25:18,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:18,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-20 06:25:18,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:18,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-11-20 06:25:18,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:18,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:18,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:18,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-11-20 06:25:18,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:18,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-20 06:25:18,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:18,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-20 06:25:18,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:18,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-20 06:25:18,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:18,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:18,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:18,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:25:18,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:18,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:25:18,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:18,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-20 06:25:18,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:18,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:18,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:18,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:25:18,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:18,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:25:18,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:18,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-20 06:25:18,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:18,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:18,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:18,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:25:18,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:18,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:25:18,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:18,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-20 06:25:18,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:18,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-20 06:25:18,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:18,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-11-20 06:25:18,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:18,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:18,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:18,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-20 06:25:18,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:18,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:18,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:18,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-11-20 06:25:18,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:18,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-11-20 06:25:18,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:18,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-11-20 06:25:18,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:18,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-11-20 06:25:18,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:18,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:18,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:18,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:25:18,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:18,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:25:18,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:18,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-11-20 06:25:18,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:18,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:18,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:18,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:25:18,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:18,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:25:18,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:18,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-11-20 06:25:18,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:18,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-11-20 06:25:18,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:18,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-11-20 06:25:18,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:18,706 INFO L134 CoverageAnalysis]: Checked inductivity of 735 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 735 trivial. 0 not checked. [2021-11-20 06:25:18,706 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:25:18,706 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564349122] [2021-11-20 06:25:18,707 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564349122] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:25:18,707 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:25:18,707 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-20 06:25:18,707 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32121085] [2021-11-20 06:25:18,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:25:18,709 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 06:25:18,709 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:25:18,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 06:25:18,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-11-20 06:25:18,710 INFO L87 Difference]: Start difference. First operand 3114 states and 3956 transitions. Second operand has 8 states, 8 states have (on average 10.375) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (34), 6 states have call predecessors, (34), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-20 06:25:22,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:25:22,269 INFO L93 Difference]: Finished difference Result 3149 states and 3993 transitions. [2021-11-20 06:25:22,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-20 06:25:22,270 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.375) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (34), 6 states have call predecessors, (34), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 267 [2021-11-20 06:25:22,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:25:22,278 INFO L225 Difference]: With dead ends: 3149 [2021-11-20 06:25:22,279 INFO L226 Difference]: Without dead ends: 3147 [2021-11-20 06:25:22,280 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2021-11-20 06:25:22,280 INFO L933 BasicCegarLoop]: 1131 mSDtfsCounter, 1719 mSDsluCounter, 2973 mSDsCounter, 0 mSdLazyCounter, 1346 mSolverCounterSat, 946 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1881 SdHoareTripleChecker+Valid, 4104 SdHoareTripleChecker+Invalid, 2292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 946 IncrementalHoareTripleChecker+Valid, 1346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-11-20 06:25:22,280 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1881 Valid, 4104 Invalid, 2292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [946 Valid, 1346 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2021-11-20 06:25:22,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3147 states. [2021-11-20 06:25:22,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3147 to 3128. [2021-11-20 06:25:22,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3128 states, 2084 states have (on average 1.1794625719769674) internal successors, (2458), 2135 states have internal predecessors, (2458), 720 states have call successors, (720), 298 states have call predecessors, (720), 319 states have return successors, (785), 710 states have call predecessors, (785), 718 states have call successors, (785) [2021-11-20 06:25:22,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3128 states to 3128 states and 3963 transitions. [2021-11-20 06:25:22,735 INFO L78 Accepts]: Start accepts. Automaton has 3128 states and 3963 transitions. Word has length 267 [2021-11-20 06:25:22,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:25:22,735 INFO L470 AbstractCegarLoop]: Abstraction has 3128 states and 3963 transitions. [2021-11-20 06:25:22,736 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.375) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (34), 6 states have call predecessors, (34), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-20 06:25:22,736 INFO L276 IsEmpty]: Start isEmpty. Operand 3128 states and 3963 transitions. [2021-11-20 06:25:22,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2021-11-20 06:25:22,740 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:25:22,740 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 10, 10, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:25:22,741 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-11-20 06:25:22,741 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-20 06:25:22,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:25:22,741 INFO L85 PathProgramCache]: Analyzing trace with hash 513081129, now seen corresponding path program 1 times [2021-11-20 06:25:22,742 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:25:22,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429904101] [2021-11-20 06:25:22,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:25:22,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:25:22,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:23,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:25:23,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:23,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 06:25:23,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:23,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:25:23,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:23,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:25:23,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:23,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-20 06:25:23,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:23,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-20 06:25:23,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:23,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-11-20 06:25:23,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:23,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:23,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:23,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-11-20 06:25:23,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:23,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-20 06:25:23,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:23,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-20 06:25:23,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:23,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-20 06:25:23,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:23,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:23,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:23,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:25:23,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:23,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:25:23,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:23,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-20 06:25:23,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:23,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:23,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:23,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:25:23,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:23,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:25:23,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:23,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-20 06:25:23,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:23,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:23,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:23,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:25:23,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:23,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:25:23,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:23,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-20 06:25:23,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:23,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-20 06:25:23,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:23,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-11-20 06:25:23,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:23,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:23,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:23,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-20 06:25:23,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:23,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:23,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:23,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-11-20 06:25:23,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:23,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-11-20 06:25:23,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:23,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-11-20 06:25:23,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:23,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-11-20 06:25:23,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:23,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:23,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:23,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-11-20 06:25:23,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:23,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:23,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:23,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:25:23,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:23,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-11-20 06:25:23,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:23,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:23,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:23,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-11-20 06:25:23,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:23,431 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 9 proven. 28 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2021-11-20 06:25:23,432 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:25:23,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429904101] [2021-11-20 06:25:23,432 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429904101] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 06:25:23,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [32115237] [2021-11-20 06:25:23,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:25:23,432 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:25:23,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:25:23,433 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:25:23,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-20 06:25:23,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:23,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 2008 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-20 06:25:23,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:25:24,400 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 205 proven. 0 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2021-11-20 06:25:24,401 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 06:25:24,401 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [32115237] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:25:24,401 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 06:25:24,402 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [24] total 25 [2021-11-20 06:25:24,402 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050542251] [2021-11-20 06:25:24,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:25:24,403 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-20 06:25:24,403 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:25:24,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-20 06:25:24,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=552, Unknown=0, NotChecked=0, Total=600 [2021-11-20 06:25:24,404 INFO L87 Difference]: Start difference. First operand 3128 states and 3963 transitions. Second operand has 18 states, 17 states have (on average 6.764705882352941) internal successors, (115), 17 states have internal predecessors, (115), 7 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (34), 7 states have call predecessors, (34), 7 states have call successors, (34) [2021-11-20 06:25:25,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:25:25,476 INFO L93 Difference]: Finished difference Result 5490 states and 6882 transitions. [2021-11-20 06:25:25,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-20 06:25:25,477 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 6.764705882352941) internal successors, (115), 17 states have internal predecessors, (115), 7 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (34), 7 states have call predecessors, (34), 7 states have call successors, (34) Word has length 255 [2021-11-20 06:25:25,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:25:25,483 INFO L225 Difference]: With dead ends: 5490 [2021-11-20 06:25:25,484 INFO L226 Difference]: Without dead ends: 3107 [2021-11-20 06:25:25,488 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 364 GetRequests, 328 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=187, Invalid=1145, Unknown=0, NotChecked=0, Total=1332 [2021-11-20 06:25:25,489 INFO L933 BasicCegarLoop]: 1155 mSDtfsCounter, 66 mSDsluCounter, 18437 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 19592 SdHoareTripleChecker+Invalid, 688 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-20 06:25:25,489 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [66 Valid, 19592 Invalid, 688 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-20 06:25:25,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3107 states. [2021-11-20 06:25:25,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3107 to 3107. [2021-11-20 06:25:25,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3107 states, 2069 states have (on average 1.180280328661189) internal successors, (2442), 2119 states have internal predecessors, (2442), 717 states have call successors, (717), 295 states have call predecessors, (717), 316 states have return successors, (782), 708 states have call predecessors, (782), 715 states have call successors, (782) [2021-11-20 06:25:25,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3107 states to 3107 states and 3941 transitions. [2021-11-20 06:25:25,957 INFO L78 Accepts]: Start accepts. Automaton has 3107 states and 3941 transitions. Word has length 255 [2021-11-20 06:25:25,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:25:25,958 INFO L470 AbstractCegarLoop]: Abstraction has 3107 states and 3941 transitions. [2021-11-20 06:25:25,958 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 6.764705882352941) internal successors, (115), 17 states have internal predecessors, (115), 7 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (34), 7 states have call predecessors, (34), 7 states have call successors, (34) [2021-11-20 06:25:25,958 INFO L276 IsEmpty]: Start isEmpty. Operand 3107 states and 3941 transitions. [2021-11-20 06:25:25,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2021-11-20 06:25:25,961 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:25:25,961 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 10, 10, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:25:25,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-20 06:25:26,161 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:25:26,162 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-20 06:25:26,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:25:26,162 INFO L85 PathProgramCache]: Analyzing trace with hash -1439468825, now seen corresponding path program 1 times [2021-11-20 06:25:26,162 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:25:26,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242797073] [2021-11-20 06:25:26,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:25:26,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:25:26,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:26,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:25:26,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:26,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 06:25:26,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:26,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:25:26,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:26,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:25:26,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:26,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-20 06:25:26,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:26,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-20 06:25:26,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:26,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-11-20 06:25:26,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:26,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:26,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:26,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-11-20 06:25:26,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:26,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-20 06:25:26,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:26,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-20 06:25:26,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:26,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-20 06:25:26,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:26,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:26,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:26,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:25:26,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:26,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:25:26,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:26,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-20 06:25:26,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:26,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:26,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:26,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:25:26,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:26,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:25:26,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:26,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-20 06:25:26,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:26,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:26,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:26,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:25:26,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:26,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:25:26,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:26,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-20 06:25:26,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:26,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-20 06:25:26,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:26,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-11-20 06:25:26,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:26,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:26,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:26,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-20 06:25:26,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:26,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:26,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:26,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-11-20 06:25:26,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:26,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-11-20 06:25:26,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:26,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-11-20 06:25:26,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:26,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-11-20 06:25:26,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:26,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:26,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:26,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-11-20 06:25:26,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:26,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:26,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:26,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:25:26,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:26,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-11-20 06:25:26,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:26,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:26,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:26,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-11-20 06:25:26,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:26,586 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 3 proven. 30 refuted. 0 times theorem prover too weak. 408 trivial. 0 not checked. [2021-11-20 06:25:26,586 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:25:26,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242797073] [2021-11-20 06:25:26,587 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242797073] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 06:25:26,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [531526641] [2021-11-20 06:25:26,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:25:26,588 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:25:26,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:25:26,592 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:25:26,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-20 06:25:27,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:27,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 2006 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-20 06:25:27,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:25:27,851 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 356 trivial. 0 not checked. [2021-11-20 06:25:27,852 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 06:25:27,852 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [531526641] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:25:27,852 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 06:25:27,852 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [12] total 21 [2021-11-20 06:25:27,852 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739461183] [2021-11-20 06:25:27,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:25:27,853 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-20 06:25:27,853 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:25:27,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-20 06:25:27,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=381, Unknown=0, NotChecked=0, Total=420 [2021-11-20 06:25:27,853 INFO L87 Difference]: Start difference. First operand 3107 states and 3941 transitions. Second operand has 13 states, 12 states have (on average 9.333333333333334) internal successors, (112), 12 states have internal predecessors, (112), 5 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (34), 5 states have call predecessors, (34), 5 states have call successors, (34) [2021-11-20 06:25:28,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:25:28,945 INFO L93 Difference]: Finished difference Result 5711 states and 7217 transitions. [2021-11-20 06:25:28,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-20 06:25:28,946 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 9.333333333333334) internal successors, (112), 12 states have internal predecessors, (112), 5 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (34), 5 states have call predecessors, (34), 5 states have call successors, (34) Word has length 255 [2021-11-20 06:25:28,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:25:28,953 INFO L225 Difference]: With dead ends: 5711 [2021-11-20 06:25:28,953 INFO L226 Difference]: Without dead ends: 3366 [2021-11-20 06:25:28,958 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 351 GetRequests, 322 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=113, Invalid=817, Unknown=0, NotChecked=0, Total=930 [2021-11-20 06:25:28,959 INFO L933 BasicCegarLoop]: 1277 mSDtfsCounter, 213 mSDsluCounter, 13630 mSDsCounter, 0 mSdLazyCounter, 453 mSolverCounterSat, 207 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 14907 SdHoareTripleChecker+Invalid, 660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 207 IncrementalHoareTripleChecker+Valid, 453 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-20 06:25:28,959 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [213 Valid, 14907 Invalid, 660 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [207 Valid, 453 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-20 06:25:28,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3366 states. [2021-11-20 06:25:29,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3366 to 3123. [2021-11-20 06:25:29,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3123 states, 2083 states have (on average 1.1781084973595775) internal successors, (2454), 2131 states have internal predecessors, (2454), 719 states have call successors, (719), 295 states have call predecessors, (719), 316 states have return successors, (784), 712 states have call predecessors, (784), 717 states have call successors, (784) [2021-11-20 06:25:29,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3123 states to 3123 states and 3957 transitions. [2021-11-20 06:25:29,446 INFO L78 Accepts]: Start accepts. Automaton has 3123 states and 3957 transitions. Word has length 255 [2021-11-20 06:25:29,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:25:29,447 INFO L470 AbstractCegarLoop]: Abstraction has 3123 states and 3957 transitions. [2021-11-20 06:25:29,447 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 9.333333333333334) internal successors, (112), 12 states have internal predecessors, (112), 5 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (34), 5 states have call predecessors, (34), 5 states have call successors, (34) [2021-11-20 06:25:29,447 INFO L276 IsEmpty]: Start isEmpty. Operand 3123 states and 3957 transitions. [2021-11-20 06:25:29,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2021-11-20 06:25:29,451 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:25:29,452 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:25:29,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-20 06:25:29,667 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2021-11-20 06:25:29,668 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-20 06:25:29,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:25:29,668 INFO L85 PathProgramCache]: Analyzing trace with hash -492785265, now seen corresponding path program 1 times [2021-11-20 06:25:29,669 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:25:29,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656486376] [2021-11-20 06:25:29,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:25:29,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:25:29,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:29,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:25:29,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:29,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 06:25:29,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:29,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:25:29,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:29,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:25:29,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:29,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-20 06:25:29,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:29,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:29,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:29,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:25:29,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:29,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:25:29,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:30,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-20 06:25:30,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:30,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-20 06:25:30,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:30,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:30,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:30,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:25:30,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:30,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:25:30,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:30,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-20 06:25:30,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:30,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-20 06:25:30,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:30,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:30,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:30,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:25:30,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:30,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:25:30,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:30,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-20 06:25:30,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:30,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:30,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:30,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:25:30,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:30,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:25:30,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:30,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-20 06:25:30,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:30,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:30,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:30,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:25:30,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:30,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:25:30,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:30,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-11-20 06:25:30,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:30,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-11-20 06:25:30,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:30,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-20 06:25:30,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:30,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:30,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:30,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:30,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:30,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:30,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:30,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 06:25:30,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:30,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:25:30,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:30,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:30,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:30,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 06:25:30,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:30,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-11-20 06:25:30,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:30,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-11-20 06:25:30,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:30,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-11-20 06:25:30,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:30,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:30,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:30,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-11-20 06:25:30,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:30,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-11-20 06:25:30,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:30,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-11-20 06:25:30,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:30,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-11-20 06:25:30,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:30,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2021-11-20 06:25:30,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:30,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-11-20 06:25:30,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:30,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:30,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:30,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-11-20 06:25:30,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:30,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-11-20 06:25:30,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:30,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:30,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:30,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-11-20 06:25:30,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:30,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:30,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:30,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-20 06:25:30,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:30,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:30,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:30,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-11-20 06:25:30,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:30,454 INFO L134 CoverageAnalysis]: Checked inductivity of 527 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 488 trivial. 0 not checked. [2021-11-20 06:25:30,454 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:25:30,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656486376] [2021-11-20 06:25:30,454 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656486376] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:25:30,455 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:25:30,455 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-11-20 06:25:30,455 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656637872] [2021-11-20 06:25:30,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:25:30,456 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-11-20 06:25:30,456 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:25:30,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-11-20 06:25:30,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=420, Unknown=0, NotChecked=0, Total=462 [2021-11-20 06:25:30,457 INFO L87 Difference]: Start difference. First operand 3123 states and 3957 transitions. Second operand has 22 states, 21 states have (on average 6.238095238095238) internal successors, (131), 14 states have internal predecessors, (131), 7 states have call successors, (46), 9 states have call predecessors, (46), 3 states have return successors, (43), 7 states have call predecessors, (43), 7 states have call successors, (43) [2021-11-20 06:25:42,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:25:42,746 INFO L93 Difference]: Finished difference Result 8468 states and 11369 transitions. [2021-11-20 06:25:42,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-20 06:25:42,746 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 6.238095238095238) internal successors, (131), 14 states have internal predecessors, (131), 7 states have call successors, (46), 9 states have call predecessors, (46), 3 states have return successors, (43), 7 states have call predecessors, (43), 7 states have call successors, (43) Word has length 326 [2021-11-20 06:25:42,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:25:42,764 INFO L225 Difference]: With dead ends: 8468 [2021-11-20 06:25:42,764 INFO L226 Difference]: Without dead ends: 5767 [2021-11-20 06:25:42,771 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 274 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=327, Invalid=1653, Unknown=0, NotChecked=0, Total=1980 [2021-11-20 06:25:42,772 INFO L933 BasicCegarLoop]: 1777 mSDtfsCounter, 4814 mSDsluCounter, 22108 mSDsCounter, 0 mSdLazyCounter, 8359 mSolverCounterSat, 3626 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4975 SdHoareTripleChecker+Valid, 23885 SdHoareTripleChecker+Invalid, 11985 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3626 IncrementalHoareTripleChecker+Valid, 8359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2021-11-20 06:25:42,772 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4975 Valid, 23885 Invalid, 11985 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3626 Valid, 8359 Invalid, 0 Unknown, 0 Unchecked, 10.4s Time] [2021-11-20 06:25:42,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5767 states. [2021-11-20 06:25:43,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5767 to 3158. [2021-11-20 06:25:43,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3158 states, 2108 states have (on average 1.1759962049335864) internal successors, (2479), 2154 states have internal predecessors, (2479), 729 states have call successors, (729), 295 states have call predecessors, (729), 316 states have return successors, (794), 724 states have call predecessors, (794), 727 states have call successors, (794) [2021-11-20 06:25:43,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3158 states to 3158 states and 4002 transitions. [2021-11-20 06:25:43,391 INFO L78 Accepts]: Start accepts. Automaton has 3158 states and 4002 transitions. Word has length 326 [2021-11-20 06:25:43,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:25:43,392 INFO L470 AbstractCegarLoop]: Abstraction has 3158 states and 4002 transitions. [2021-11-20 06:25:43,392 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 6.238095238095238) internal successors, (131), 14 states have internal predecessors, (131), 7 states have call successors, (46), 9 states have call predecessors, (46), 3 states have return successors, (43), 7 states have call predecessors, (43), 7 states have call successors, (43) [2021-11-20 06:25:43,392 INFO L276 IsEmpty]: Start isEmpty. Operand 3158 states and 4002 transitions. [2021-11-20 06:25:43,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2021-11-20 06:25:43,397 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:25:43,398 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 15, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:25:43,398 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-11-20 06:25:43,398 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-20 06:25:43,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:25:43,399 INFO L85 PathProgramCache]: Analyzing trace with hash 1216669134, now seen corresponding path program 1 times [2021-11-20 06:25:43,399 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:25:43,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179838174] [2021-11-20 06:25:43,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:25:43,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:25:43,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:43,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:25:43,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:43,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 06:25:43,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:43,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:25:43,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:43,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:25:43,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:43,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-20 06:25:43,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:43,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:43,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:43,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:25:43,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:43,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:25:43,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:43,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-20 06:25:43,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:43,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-20 06:25:43,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:43,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:43,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:43,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:25:43,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:43,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:25:43,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:43,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-20 06:25:43,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:43,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-20 06:25:43,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:43,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:43,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:43,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:25:43,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:43,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:25:43,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:43,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-20 06:25:43,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:43,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:43,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:43,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:25:43,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:43,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:25:43,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:43,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-20 06:25:43,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:43,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:43,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:43,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:25:43,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:43,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:25:43,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:43,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-11-20 06:25:43,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:43,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-11-20 06:25:43,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:43,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-20 06:25:43,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:43,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:43,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:43,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:43,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:43,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:43,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:43,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 06:25:43,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:43,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:25:43,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:43,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:43,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:43,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-20 06:25:43,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:43,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 06:25:43,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:43,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:25:43,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:43,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 06:25:43,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:43,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-11-20 06:25:43,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:43,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-11-20 06:25:43,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:43,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-11-20 06:25:43,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:43,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:43,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:43,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:43,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:43,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:43,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:43,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 06:25:43,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:43,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:25:43,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:43,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:43,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:43,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 06:25:43,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:43,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-11-20 06:25:43,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:43,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-11-20 06:25:43,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:43,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:43,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:43,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:43,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:43,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:43,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:43,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 06:25:43,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:43,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:25:43,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:43,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:43,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:43,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 06:25:43,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:43,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2021-11-20 06:25:43,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:43,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:43,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:43,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:43,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:43,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-11-20 06:25:43,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:43,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-11-20 06:25:43,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:43,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2021-11-20 06:25:44,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:44,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:44,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:44,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-20 06:25:44,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:44,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2021-11-20 06:25:44,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:44,032 INFO L134 CoverageAnalysis]: Checked inductivity of 794 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 794 trivial. 0 not checked. [2021-11-20 06:25:44,033 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:25:44,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179838174] [2021-11-20 06:25:44,033 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179838174] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:25:44,033 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:25:44,034 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-20 06:25:44,034 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182108433] [2021-11-20 06:25:44,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:25:44,035 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-20 06:25:44,035 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:25:44,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-20 06:25:44,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:25:44,036 INFO L87 Difference]: Start difference. First operand 3158 states and 4002 transitions. Second operand has 10 states, 10 states have (on average 10.8) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (41), 8 states have call predecessors, (41), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2021-11-20 06:25:51,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:25:51,798 INFO L93 Difference]: Finished difference Result 7161 states and 9288 transitions. [2021-11-20 06:25:51,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-20 06:25:51,799 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.8) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (41), 8 states have call predecessors, (41), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 391 [2021-11-20 06:25:51,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:25:51,813 INFO L225 Difference]: With dead ends: 7161 [2021-11-20 06:25:51,813 INFO L226 Difference]: Without dead ends: 4065 [2021-11-20 06:25:51,822 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=89, Invalid=253, Unknown=0, NotChecked=0, Total=342 [2021-11-20 06:25:51,823 INFO L933 BasicCegarLoop]: 1362 mSDtfsCounter, 1917 mSDsluCounter, 3883 mSDsCounter, 0 mSdLazyCounter, 2784 mSolverCounterSat, 1847 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1997 SdHoareTripleChecker+Valid, 5245 SdHoareTripleChecker+Invalid, 4631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1847 IncrementalHoareTripleChecker+Valid, 2784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2021-11-20 06:25:51,823 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1997 Valid, 5245 Invalid, 4631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1847 Valid, 2784 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2021-11-20 06:25:51,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4065 states. [2021-11-20 06:25:52,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4065 to 3167. [2021-11-20 06:25:52,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3167 states, 2117 states have (on average 1.1766650921114785) internal successors, (2491), 2163 states have internal predecessors, (2491), 729 states have call successors, (729), 295 states have call predecessors, (729), 316 states have return successors, (794), 724 states have call predecessors, (794), 727 states have call successors, (794) [2021-11-20 06:25:52,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3167 states to 3167 states and 4014 transitions. [2021-11-20 06:25:52,488 INFO L78 Accepts]: Start accepts. Automaton has 3167 states and 4014 transitions. Word has length 391 [2021-11-20 06:25:52,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:25:52,489 INFO L470 AbstractCegarLoop]: Abstraction has 3167 states and 4014 transitions. [2021-11-20 06:25:52,489 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.8) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (41), 8 states have call predecessors, (41), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2021-11-20 06:25:52,490 INFO L276 IsEmpty]: Start isEmpty. Operand 3167 states and 4014 transitions. [2021-11-20 06:25:52,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2021-11-20 06:25:52,495 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:25:52,496 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 15, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:25:52,496 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-11-20 06:25:52,496 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-20 06:25:52,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:25:52,497 INFO L85 PathProgramCache]: Analyzing trace with hash -104660132, now seen corresponding path program 1 times [2021-11-20 06:25:52,497 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:25:52,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95301870] [2021-11-20 06:25:52,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:25:52,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:25:52,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:52,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:25:52,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:52,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 06:25:52,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:52,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:25:52,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:52,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:25:52,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:52,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-20 06:25:52,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:52,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:52,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:52,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:25:52,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:52,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:25:52,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:52,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-20 06:25:52,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:52,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-20 06:25:52,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:52,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:52,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:52,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:25:52,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:52,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:25:52,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:52,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-20 06:25:52,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:52,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-20 06:25:52,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:52,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:52,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:52,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:25:52,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:52,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:25:52,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:52,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-20 06:25:52,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:52,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:52,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:52,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:25:52,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:52,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:25:52,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:52,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-20 06:25:52,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:52,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:52,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:52,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:25:52,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:52,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:25:52,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:52,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-11-20 06:25:52,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:52,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-11-20 06:25:52,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:52,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-20 06:25:52,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:52,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:52,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:52,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:52,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:52,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:52,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:52,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 06:25:52,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:52,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:25:52,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:52,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:52,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:52,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-20 06:25:52,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:52,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 06:25:52,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:52,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:25:52,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:52,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 06:25:52,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:52,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-11-20 06:25:52,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:52,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-11-20 06:25:52,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:52,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-20 06:25:52,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:52,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:52,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:52,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:52,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:52,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:52,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:52,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 06:25:52,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:52,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:25:52,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:52,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:52,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:52,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 06:25:52,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:52,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-11-20 06:25:52,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:52,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-11-20 06:25:52,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:52,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:52,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:52,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:52,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:52,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:52,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:53,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 06:25:53,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:53,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:25:53,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:53,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:53,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:53,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 06:25:53,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:53,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2021-11-20 06:25:53,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:53,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:53,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:53,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:53,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:53,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-11-20 06:25:53,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:53,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2021-11-20 06:25:53,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:53,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-11-20 06:25:53,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:53,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:25:53,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:53,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-11-20 06:25:53,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:53,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-11-20 06:25:53,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:53,095 INFO L134 CoverageAnalysis]: Checked inductivity of 796 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 796 trivial. 0 not checked. [2021-11-20 06:25:53,095 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:25:53,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95301870] [2021-11-20 06:25:53,096 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95301870] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:25:53,096 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:25:53,096 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-20 06:25:53,096 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373747245] [2021-11-20 06:25:53,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:25:53,097 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-20 06:25:53,097 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:25:53,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-20 06:25:53,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:25:53,098 INFO L87 Difference]: Start difference. First operand 3167 states and 4014 transitions. Second operand has 10 states, 10 states have (on average 11.5) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (41), 8 states have call predecessors, (41), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2021-11-20 06:26:01,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:26:01,089 INFO L93 Difference]: Finished difference Result 7179 states and 9312 transitions. [2021-11-20 06:26:01,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-20 06:26:01,090 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 11.5) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (41), 8 states have call predecessors, (41), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 399 [2021-11-20 06:26:01,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:26:01,104 INFO L225 Difference]: With dead ends: 7179 [2021-11-20 06:26:01,105 INFO L226 Difference]: Without dead ends: 4084 [2021-11-20 06:26:01,112 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 135 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=89, Invalid=253, Unknown=0, NotChecked=0, Total=342 [2021-11-20 06:26:01,112 INFO L933 BasicCegarLoop]: 1362 mSDtfsCounter, 1912 mSDsluCounter, 3882 mSDsCounter, 0 mSdLazyCounter, 2791 mSolverCounterSat, 1846 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1992 SdHoareTripleChecker+Valid, 5244 SdHoareTripleChecker+Invalid, 4637 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1846 IncrementalHoareTripleChecker+Valid, 2791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2021-11-20 06:26:01,113 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1992 Valid, 5244 Invalid, 4637 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1846 Valid, 2791 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2021-11-20 06:26:01,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4084 states. [2021-11-20 06:26:01,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4084 to 3185. [2021-11-20 06:26:01,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3185 states, 2135 states have (on average 1.1784543325526933) internal successors, (2516), 2181 states have internal predecessors, (2516), 729 states have call successors, (729), 295 states have call predecessors, (729), 316 states have return successors, (794), 724 states have call predecessors, (794), 727 states have call successors, (794) [2021-11-20 06:26:01,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3185 states to 3185 states and 4039 transitions. [2021-11-20 06:26:01,677 INFO L78 Accepts]: Start accepts. Automaton has 3185 states and 4039 transitions. Word has length 399 [2021-11-20 06:26:01,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:26:01,678 INFO L470 AbstractCegarLoop]: Abstraction has 3185 states and 4039 transitions. [2021-11-20 06:26:01,678 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.5) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (41), 8 states have call predecessors, (41), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2021-11-20 06:26:01,679 INFO L276 IsEmpty]: Start isEmpty. Operand 3185 states and 4039 transitions. [2021-11-20 06:26:01,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2021-11-20 06:26:01,682 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:26:01,682 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 16, 11, 11, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:26:01,683 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2021-11-20 06:26:01,683 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-20 06:26:01,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:26:01,683 INFO L85 PathProgramCache]: Analyzing trace with hash 2128455846, now seen corresponding path program 1 times [2021-11-20 06:26:01,683 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:26:01,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581069652] [2021-11-20 06:26:01,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:26:01,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:26:01,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:01,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:26:01,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:01,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 06:26:01,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:01,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:26:01,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:01,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:26:01,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:01,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-20 06:26:01,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:01,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-20 06:26:01,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:01,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-11-20 06:26:01,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:01,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:01,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:01,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-11-20 06:26:01,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:01,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-20 06:26:01,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:01,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-20 06:26:01,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:01,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-20 06:26:01,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:01,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:01,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:01,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:26:01,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:01,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:26:01,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:01,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-20 06:26:01,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:01,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:01,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:01,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:26:01,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:01,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:26:01,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:01,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-20 06:26:01,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:01,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:01,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:01,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:26:01,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:01,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:26:01,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:01,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-20 06:26:01,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:01,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-20 06:26:01,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:01,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-11-20 06:26:01,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:01,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:01,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:01,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-20 06:26:01,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:01,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 06:26:01,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:01,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:26:01,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:01,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-11-20 06:26:01,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:01,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:01,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:01,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-11-20 06:26:01,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:02,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-11-20 06:26:02,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:02,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:02,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:02,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:26:02,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:02,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-11-20 06:26:02,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:02,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:02,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:02,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-11-20 06:26:02,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:02,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:02,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:02,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-11-20 06:26:02,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:02,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-20 06:26:02,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:02,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-11-20 06:26:02,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:02,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-11-20 06:26:02,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:02,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:02,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:02,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-20 06:26:02,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:02,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 06:26:02,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:02,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:26:02,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:02,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-20 06:26:02,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:02,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:02,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:02,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-11-20 06:26:02,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:02,099 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 736 trivial. 0 not checked. [2021-11-20 06:26:02,099 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:26:02,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581069652] [2021-11-20 06:26:02,099 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581069652] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:26:02,099 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:26:02,099 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-20 06:26:02,099 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194569273] [2021-11-20 06:26:02,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:26:02,100 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-20 06:26:02,100 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:26:02,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-20 06:26:02,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-11-20 06:26:02,101 INFO L87 Difference]: Start difference. First operand 3185 states and 4039 transitions. Second operand has 11 states, 11 states have (on average 9.545454545454545) internal successors, (105), 5 states have internal predecessors, (105), 2 states have call successors, (41), 7 states have call predecessors, (41), 2 states have return successors, (39), 3 states have call predecessors, (39), 2 states have call successors, (39) [2021-11-20 06:26:07,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:26:07,997 INFO L93 Difference]: Finished difference Result 5821 states and 7369 transitions. [2021-11-20 06:26:07,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-20 06:26:07,997 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.545454545454545) internal successors, (105), 5 states have internal predecessors, (105), 2 states have call successors, (41), 7 states have call predecessors, (41), 2 states have return successors, (39), 3 states have call predecessors, (39), 2 states have call successors, (39) Word has length 311 [2021-11-20 06:26:07,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:26:08,010 INFO L225 Difference]: With dead ends: 5821 [2021-11-20 06:26:08,010 INFO L226 Difference]: Without dead ends: 3464 [2021-11-20 06:26:08,015 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=92, Invalid=328, Unknown=0, NotChecked=0, Total=420 [2021-11-20 06:26:08,016 INFO L933 BasicCegarLoop]: 1218 mSDtfsCounter, 2003 mSDsluCounter, 5190 mSDsCounter, 0 mSdLazyCounter, 2741 mSolverCounterSat, 1837 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2033 SdHoareTripleChecker+Valid, 6408 SdHoareTripleChecker+Invalid, 4578 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1837 IncrementalHoareTripleChecker+Valid, 2741 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2021-11-20 06:26:08,016 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2033 Valid, 6408 Invalid, 4578 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1837 Valid, 2741 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2021-11-20 06:26:08,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3464 states. [2021-11-20 06:26:08,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3464 to 3185. [2021-11-20 06:26:08,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3185 states, 2135 states have (on average 1.1775175644028104) internal successors, (2514), 2181 states have internal predecessors, (2514), 729 states have call successors, (729), 295 states have call predecessors, (729), 316 states have return successors, (794), 724 states have call predecessors, (794), 727 states have call successors, (794) [2021-11-20 06:26:08,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3185 states to 3185 states and 4037 transitions. [2021-11-20 06:26:08,665 INFO L78 Accepts]: Start accepts. Automaton has 3185 states and 4037 transitions. Word has length 311 [2021-11-20 06:26:08,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:26:08,666 INFO L470 AbstractCegarLoop]: Abstraction has 3185 states and 4037 transitions. [2021-11-20 06:26:08,666 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.545454545454545) internal successors, (105), 5 states have internal predecessors, (105), 2 states have call successors, (41), 7 states have call predecessors, (41), 2 states have return successors, (39), 3 states have call predecessors, (39), 2 states have call successors, (39) [2021-11-20 06:26:08,666 INFO L276 IsEmpty]: Start isEmpty. Operand 3185 states and 4037 transitions. [2021-11-20 06:26:08,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2021-11-20 06:26:08,672 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:26:08,672 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 19, 9, 9, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:26:08,672 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2021-11-20 06:26:08,673 INFO L402 AbstractCegarLoop]: === Iteration 51 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-20 06:26:08,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:26:08,673 INFO L85 PathProgramCache]: Analyzing trace with hash 20315048, now seen corresponding path program 1 times [2021-11-20 06:26:08,673 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:26:08,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506728894] [2021-11-20 06:26:08,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:26:08,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:26:09,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:09,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:26:09,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:09,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 06:26:09,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:09,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:26:09,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:09,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:26:09,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:09,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-20 06:26:09,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:09,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:09,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:09,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:26:09,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:09,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:26:09,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:09,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-20 06:26:09,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:09,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-20 06:26:09,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:09,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:09,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:09,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:26:09,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:09,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:26:09,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:09,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-20 06:26:09,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:09,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-20 06:26:09,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:09,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:09,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:09,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:26:09,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:09,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:26:09,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:09,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-20 06:26:09,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:09,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:09,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:09,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:26:09,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:09,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:26:09,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:09,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-20 06:26:09,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:09,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:09,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:09,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:26:09,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:09,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:26:09,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:09,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-11-20 06:26:09,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:09,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-11-20 06:26:09,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:09,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-20 06:26:09,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:09,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:09,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:09,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:09,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:09,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:09,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:09,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 06:26:09,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:09,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:26:09,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:09,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:09,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:09,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-20 06:26:09,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:09,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 06:26:09,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:09,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:26:09,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:09,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 06:26:09,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:09,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-11-20 06:26:09,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:09,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-11-20 06:26:09,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:09,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-11-20 06:26:09,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:09,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:09,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:09,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:09,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:09,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:09,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:09,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 06:26:09,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:09,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:26:09,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:09,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:09,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:09,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-20 06:26:09,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:09,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 06:26:09,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:09,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:26:09,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:09,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 06:26:09,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:09,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2021-11-20 06:26:09,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:09,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-11-20 06:26:09,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:09,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:09,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:09,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:09,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:09,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:09,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:09,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 06:26:09,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:09,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:26:09,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:09,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:09,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:09,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-20 06:26:09,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:09,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 06:26:09,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:09,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:26:09,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:09,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 06:26:09,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:10,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-11-20 06:26:10,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:10,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:10,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:10,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:10,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:10,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2021-11-20 06:26:10,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:10,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-11-20 06:26:10,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:10,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-20 06:26:10,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:10,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:10,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:10,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-11-20 06:26:10,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:10,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2021-11-20 06:26:10,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:10,345 INFO L134 CoverageAnalysis]: Checked inductivity of 1130 backedges. 6 proven. 24 refuted. 0 times theorem prover too weak. 1100 trivial. 0 not checked. [2021-11-20 06:26:10,345 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:26:10,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506728894] [2021-11-20 06:26:10,345 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506728894] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 06:26:10,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1854023672] [2021-11-20 06:26:10,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:26:10,346 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:26:10,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:26:10,347 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:26:10,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-20 06:26:15,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:15,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 2700 conjuncts, 96 conjunts are in the unsatisfiable core [2021-11-20 06:26:15,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:26:16,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2021-11-20 06:26:16,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2021-11-20 06:26:17,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 37 [2021-11-20 06:26:17,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 16 [2021-11-20 06:26:17,337 INFO L134 CoverageAnalysis]: Checked inductivity of 1130 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1124 trivial. 0 not checked. [2021-11-20 06:26:17,337 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 06:26:17,337 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1854023672] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:26:17,338 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 06:26:17,338 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [29] total 36 [2021-11-20 06:26:17,338 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075410019] [2021-11-20 06:26:17,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:26:17,339 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-20 06:26:17,339 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:26:17,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-20 06:26:17,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1175, Unknown=0, NotChecked=0, Total=1260 [2021-11-20 06:26:17,341 INFO L87 Difference]: Start difference. First operand 3185 states and 4037 transitions. Second operand has 17 states, 15 states have (on average 7.8) internal successors, (117), 13 states have internal predecessors, (117), 5 states have call successors, (41), 4 states have call predecessors, (41), 4 states have return successors, (39), 5 states have call predecessors, (39), 3 states have call successors, (39) [2021-11-20 06:26:34,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:26:34,395 INFO L93 Difference]: Finished difference Result 8991 states and 12069 transitions. [2021-11-20 06:26:34,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-20 06:26:34,396 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 7.8) internal successors, (117), 13 states have internal predecessors, (117), 5 states have call successors, (41), 4 states have call predecessors, (41), 4 states have return successors, (39), 5 states have call predecessors, (39), 3 states have call successors, (39) Word has length 439 [2021-11-20 06:26:34,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:26:34,409 INFO L225 Difference]: With dead ends: 8991 [2021-11-20 06:26:34,409 INFO L226 Difference]: Without dead ends: 5938 [2021-11-20 06:26:34,414 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 624 GetRequests, 574 SyntacticMatches, 2 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 364 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=160, Invalid=2290, Unknown=0, NotChecked=0, Total=2450 [2021-11-20 06:26:34,414 INFO L933 BasicCegarLoop]: 1919 mSDtfsCounter, 1369 mSDsluCounter, 21147 mSDsCounter, 0 mSdLazyCounter, 10040 mSolverCounterSat, 785 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1497 SdHoareTripleChecker+Valid, 23066 SdHoareTripleChecker+Invalid, 10825 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 785 IncrementalHoareTripleChecker+Valid, 10040 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.7s IncrementalHoareTripleChecker+Time [2021-11-20 06:26:34,415 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1497 Valid, 23066 Invalid, 10825 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [785 Valid, 10040 Invalid, 0 Unknown, 0 Unchecked, 14.7s Time] [2021-11-20 06:26:34,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5938 states. [2021-11-20 06:26:35,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5938 to 3200. [2021-11-20 06:26:35,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3200 states, 2145 states have (on average 1.1766899766899768) internal successors, (2524), 2189 states have internal predecessors, (2524), 733 states have call successors, (733), 295 states have call predecessors, (733), 317 states have return successors, (800), 731 states have call predecessors, (800), 731 states have call successors, (800) [2021-11-20 06:26:35,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3200 states to 3200 states and 4057 transitions. [2021-11-20 06:26:35,016 INFO L78 Accepts]: Start accepts. Automaton has 3200 states and 4057 transitions. Word has length 439 [2021-11-20 06:26:35,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:26:35,017 INFO L470 AbstractCegarLoop]: Abstraction has 3200 states and 4057 transitions. [2021-11-20 06:26:35,017 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 7.8) internal successors, (117), 13 states have internal predecessors, (117), 5 states have call successors, (41), 4 states have call predecessors, (41), 4 states have return successors, (39), 5 states have call predecessors, (39), 3 states have call successors, (39) [2021-11-20 06:26:35,017 INFO L276 IsEmpty]: Start isEmpty. Operand 3200 states and 4057 transitions. [2021-11-20 06:26:35,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2021-11-20 06:26:35,021 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:26:35,022 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 19, 11, 11, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:26:35,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-20 06:26:35,247 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable50 [2021-11-20 06:26:35,248 INFO L402 AbstractCegarLoop]: === Iteration 52 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-20 06:26:35,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:26:35,248 INFO L85 PathProgramCache]: Analyzing trace with hash 126360513, now seen corresponding path program 1 times [2021-11-20 06:26:35,248 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:26:35,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868782335] [2021-11-20 06:26:35,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:26:35,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:26:35,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:35,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:26:35,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:35,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 06:26:35,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:35,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:26:35,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:35,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:26:35,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:35,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-20 06:26:35,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:35,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-20 06:26:35,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:35,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-11-20 06:26:35,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:35,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:35,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:35,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-11-20 06:26:35,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:35,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-20 06:26:35,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:35,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-20 06:26:35,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:35,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-20 06:26:35,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:35,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:35,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:35,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:26:35,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:35,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:26:35,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:35,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-20 06:26:35,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:35,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:35,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:35,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:26:35,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:35,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:26:35,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:35,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-20 06:26:35,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:35,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:35,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:35,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:26:35,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:35,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:26:35,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:35,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-20 06:26:35,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:35,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-20 06:26:35,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:35,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-11-20 06:26:35,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:35,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:35,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:35,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-20 06:26:35,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:35,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 06:26:35,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:35,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:26:35,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:35,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-11-20 06:26:35,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:35,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:35,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:35,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-11-20 06:26:35,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:35,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-11-20 06:26:35,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:35,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:35,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:35,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:26:35,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:35,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-20 06:26:35,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:35,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:35,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:35,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-20 06:26:35,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:35,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:35,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:35,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-11-20 06:26:35,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:35,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:35,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:35,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-11-20 06:26:35,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:35,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-11-20 06:26:35,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:35,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-20 06:26:35,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:35,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-11-20 06:26:35,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:35,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:35,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:35,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:26:35,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:35,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:26:35,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:35,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-11-20 06:26:35,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:35,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:35,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:35,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:26:35,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:35,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:26:35,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:35,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-20 06:26:35,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:35,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-11-20 06:26:35,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:35,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:35,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:35,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:26:35,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:35,688 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1000 trivial. 0 not checked. [2021-11-20 06:26:35,688 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:26:35,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868782335] [2021-11-20 06:26:35,688 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868782335] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:26:35,688 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:26:35,689 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-20 06:26:35,689 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251615464] [2021-11-20 06:26:35,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:26:35,690 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-20 06:26:35,690 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:26:35,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-20 06:26:35,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-11-20 06:26:35,691 INFO L87 Difference]: Start difference. First operand 3200 states and 4057 transitions. Second operand has 11 states, 11 states have (on average 10.272727272727273) internal successors, (113), 5 states have internal predecessors, (113), 2 states have call successors, (44), 7 states have call predecessors, (44), 2 states have return successors, (42), 2 states have call predecessors, (42), 1 states have call successors, (42) [2021-11-20 06:26:41,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:26:41,337 INFO L93 Difference]: Finished difference Result 6331 states and 8137 transitions. [2021-11-20 06:26:41,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-20 06:26:41,340 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.272727272727273) internal successors, (113), 5 states have internal predecessors, (113), 2 states have call successors, (44), 7 states have call predecessors, (44), 2 states have return successors, (42), 2 states have call predecessors, (42), 1 states have call successors, (42) Word has length 343 [2021-11-20 06:26:41,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:26:41,348 INFO L225 Difference]: With dead ends: 6331 [2021-11-20 06:26:41,348 INFO L226 Difference]: Without dead ends: 3974 [2021-11-20 06:26:41,351 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=98, Invalid=322, Unknown=0, NotChecked=0, Total=420 [2021-11-20 06:26:41,352 INFO L933 BasicCegarLoop]: 1535 mSDtfsCounter, 1877 mSDsluCounter, 7575 mSDsCounter, 0 mSdLazyCounter, 2912 mSolverCounterSat, 1588 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1877 SdHoareTripleChecker+Valid, 9110 SdHoareTripleChecker+Invalid, 4500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1588 IncrementalHoareTripleChecker+Valid, 2912 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2021-11-20 06:26:41,352 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1877 Valid, 9110 Invalid, 4500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1588 Valid, 2912 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2021-11-20 06:26:41,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3974 states. [2021-11-20 06:26:41,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3974 to 3076. [2021-11-20 06:26:41,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3076 states, 2053 states have (on average 1.1651242084754019) internal successors, (2392), 2095 states have internal predecessors, (2392), 703 states have call successors, (703), 291 states have call predecessors, (703), 315 states have return successors, (774), 705 states have call predecessors, (774), 701 states have call successors, (774) [2021-11-20 06:26:41,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3076 states to 3076 states and 3869 transitions. [2021-11-20 06:26:41,885 INFO L78 Accepts]: Start accepts. Automaton has 3076 states and 3869 transitions. Word has length 343 [2021-11-20 06:26:41,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:26:41,886 INFO L470 AbstractCegarLoop]: Abstraction has 3076 states and 3869 transitions. [2021-11-20 06:26:41,886 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.272727272727273) internal successors, (113), 5 states have internal predecessors, (113), 2 states have call successors, (44), 7 states have call predecessors, (44), 2 states have return successors, (42), 2 states have call predecessors, (42), 1 states have call successors, (42) [2021-11-20 06:26:41,886 INFO L276 IsEmpty]: Start isEmpty. Operand 3076 states and 3869 transitions. [2021-11-20 06:26:41,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2021-11-20 06:26:41,889 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:26:41,890 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 11, 11, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:26:41,890 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2021-11-20 06:26:41,890 INFO L402 AbstractCegarLoop]: === Iteration 53 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-20 06:26:41,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:26:41,890 INFO L85 PathProgramCache]: Analyzing trace with hash 790296362, now seen corresponding path program 1 times [2021-11-20 06:26:41,890 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:26:41,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792492649] [2021-11-20 06:26:41,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:26:41,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:26:41,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:42,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:26:42,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:42,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 06:26:42,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:42,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:26:42,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:42,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:26:42,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:42,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-20 06:26:42,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:42,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-20 06:26:42,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:42,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-11-20 06:26:42,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:42,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:42,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:42,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-11-20 06:26:42,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:42,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-20 06:26:42,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:42,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-20 06:26:42,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:42,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-20 06:26:42,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:42,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:42,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:42,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:26:42,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:42,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:26:42,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:42,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-20 06:26:42,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:42,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:42,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:42,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:26:42,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:42,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:26:42,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:42,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-20 06:26:42,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:42,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:42,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:42,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:26:42,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:42,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:26:42,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:42,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-20 06:26:42,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:42,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-20 06:26:42,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:42,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-11-20 06:26:42,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:42,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:42,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:42,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-20 06:26:42,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:42,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 06:26:42,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:42,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:26:42,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:42,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-11-20 06:26:42,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:42,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:42,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:42,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-11-20 06:26:42,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:42,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-11-20 06:26:42,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:42,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:42,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:42,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:26:42,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:42,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-20 06:26:42,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:42,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:42,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:42,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-20 06:26:42,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:42,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:42,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:42,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-11-20 06:26:42,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:42,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:42,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:42,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-11-20 06:26:42,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:42,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-11-20 06:26:42,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:42,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-20 06:26:42,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:42,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-11-20 06:26:42,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:42,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:42,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:42,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-11-20 06:26:42,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:42,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:42,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:42,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:26:42,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:42,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-11-20 06:26:42,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:42,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:42,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:42,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2021-11-20 06:26:42,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:42,340 INFO L134 CoverageAnalysis]: Checked inductivity of 629 backedges. 3 proven. 36 refuted. 0 times theorem prover too weak. 590 trivial. 0 not checked. [2021-11-20 06:26:42,340 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:26:42,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792492649] [2021-11-20 06:26:42,341 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792492649] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 06:26:42,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1042891221] [2021-11-20 06:26:42,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:26:42,341 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:26:42,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:26:42,347 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:26:42,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-20 06:26:42,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:42,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 2266 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-20 06:26:42,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:26:43,557 INFO L134 CoverageAnalysis]: Checked inductivity of 629 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 491 trivial. 0 not checked. [2021-11-20 06:26:43,558 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 06:26:43,558 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1042891221] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:26:43,558 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 06:26:43,558 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [12] total 21 [2021-11-20 06:26:43,558 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744950242] [2021-11-20 06:26:43,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:26:43,559 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-20 06:26:43,559 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:26:43,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-20 06:26:43,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=381, Unknown=0, NotChecked=0, Total=420 [2021-11-20 06:26:43,559 INFO L87 Difference]: Start difference. First operand 3076 states and 3869 transitions. Second operand has 13 states, 12 states have (on average 12.166666666666666) internal successors, (146), 12 states have internal predecessors, (146), 6 states have call successors, (49), 2 states have call predecessors, (49), 4 states have return successors, (47), 6 states have call predecessors, (47), 6 states have call successors, (47) [2021-11-20 06:26:44,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:26:44,790 INFO L93 Difference]: Finished difference Result 5542 states and 6947 transitions. [2021-11-20 06:26:44,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-20 06:26:44,790 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 12.166666666666666) internal successors, (146), 12 states have internal predecessors, (146), 6 states have call successors, (49), 2 states have call predecessors, (49), 4 states have return successors, (47), 6 states have call predecessors, (47), 6 states have call successors, (47) Word has length 331 [2021-11-20 06:26:44,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:26:44,800 INFO L225 Difference]: With dead ends: 5542 [2021-11-20 06:26:44,800 INFO L226 Difference]: Without dead ends: 3355 [2021-11-20 06:26:44,804 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 453 GetRequests, 424 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=113, Invalid=817, Unknown=0, NotChecked=0, Total=930 [2021-11-20 06:26:44,805 INFO L933 BasicCegarLoop]: 1279 mSDtfsCounter, 219 mSDsluCounter, 13647 mSDsCounter, 0 mSdLazyCounter, 451 mSolverCounterSat, 211 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 14926 SdHoareTripleChecker+Invalid, 662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 211 IncrementalHoareTripleChecker+Valid, 451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-20 06:26:44,805 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [219 Valid, 14926 Invalid, 662 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [211 Valid, 451 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-20 06:26:44,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3355 states. [2021-11-20 06:26:45,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3355 to 3082. [2021-11-20 06:26:45,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3082 states, 2057 states have (on average 1.1648031113271755) internal successors, (2396), 2099 states have internal predecessors, (2396), 705 states have call successors, (705), 291 states have call predecessors, (705), 315 states have return successors, (776), 707 states have call predecessors, (776), 703 states have call successors, (776) [2021-11-20 06:26:45,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3082 states to 3082 states and 3877 transitions. [2021-11-20 06:26:45,444 INFO L78 Accepts]: Start accepts. Automaton has 3082 states and 3877 transitions. Word has length 331 [2021-11-20 06:26:45,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:26:45,444 INFO L470 AbstractCegarLoop]: Abstraction has 3082 states and 3877 transitions. [2021-11-20 06:26:45,444 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 12.166666666666666) internal successors, (146), 12 states have internal predecessors, (146), 6 states have call successors, (49), 2 states have call predecessors, (49), 4 states have return successors, (47), 6 states have call predecessors, (47), 6 states have call successors, (47) [2021-11-20 06:26:45,444 INFO L276 IsEmpty]: Start isEmpty. Operand 3082 states and 3877 transitions. [2021-11-20 06:26:45,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 456 [2021-11-20 06:26:45,448 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:26:45,448 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 21, 10, 10, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:26:45,474 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-20 06:26:45,649 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:26:45,649 INFO L402 AbstractCegarLoop]: === Iteration 54 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-20 06:26:45,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:26:45,649 INFO L85 PathProgramCache]: Analyzing trace with hash -2039317080, now seen corresponding path program 1 times [2021-11-20 06:26:45,650 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:26:45,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135931954] [2021-11-20 06:26:45,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:26:45,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:26:46,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:46,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:26:46,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:46,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 06:26:46,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:46,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:26:46,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:46,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:26:46,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:46,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-20 06:26:46,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:46,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:46,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:46,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:26:46,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:46,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:26:46,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:46,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-20 06:26:46,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:46,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-20 06:26:46,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:46,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:46,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:46,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:26:46,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:46,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:26:46,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:46,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-20 06:26:46,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:46,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-20 06:26:46,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:46,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:46,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:46,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:26:46,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:46,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:26:46,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:46,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-20 06:26:46,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:46,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:46,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:46,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:26:46,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:46,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:26:46,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:46,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-20 06:26:46,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:46,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:46,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:46,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:26:46,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:46,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:26:46,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:46,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-11-20 06:26:46,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:46,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-11-20 06:26:46,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:46,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-20 06:26:46,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:46,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:46,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:46,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:46,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:46,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:46,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:46,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 06:26:46,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:46,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:26:46,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:46,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:46,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:46,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-20 06:26:46,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:46,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 06:26:46,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:46,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:26:46,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:46,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 06:26:46,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:46,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-11-20 06:26:46,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:46,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-11-20 06:26:46,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:46,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-11-20 06:26:46,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:46,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:46,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:46,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:46,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:46,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:46,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:46,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 06:26:46,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:46,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:26:46,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:46,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:46,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:46,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-20 06:26:46,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:46,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 06:26:46,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:46,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:26:46,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:46,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 06:26:46,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:46,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2021-11-20 06:26:46,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:46,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-11-20 06:26:46,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:46,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:46,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:46,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:46,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:46,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:46,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:46,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 06:26:46,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:47,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:26:47,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:47,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:47,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:47,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-20 06:26:47,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:47,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 06:26:47,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:47,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:26:47,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:47,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 06:26:47,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:47,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-11-20 06:26:47,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:47,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:47,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:47,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:47,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:47,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-20 06:26:47,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:47,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 06:26:47,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:47,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:26:47,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:47,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2021-11-20 06:26:47,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:47,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2021-11-20 06:26:47,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:47,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-11-20 06:26:47,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:47,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:26:47,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:47,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2021-11-20 06:26:47,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:47,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2021-11-20 06:26:47,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:47,307 INFO L134 CoverageAnalysis]: Checked inductivity of 1328 backedges. 75 proven. 6 refuted. 0 times theorem prover too weak. 1247 trivial. 0 not checked. [2021-11-20 06:26:47,307 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:26:47,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135931954] [2021-11-20 06:26:47,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135931954] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 06:26:47,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1518755471] [2021-11-20 06:26:47,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:26:47,310 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:26:47,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:26:47,311 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:26:47,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-20 06:26:48,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:48,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 2748 conjuncts, 58 conjunts are in the unsatisfiable core [2021-11-20 06:26:48,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:26:49,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-20 06:26:49,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-20 06:26:49,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 26 [2021-11-20 06:26:49,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2021-11-20 06:26:49,960 INFO L134 CoverageAnalysis]: Checked inductivity of 1328 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1328 trivial. 0 not checked. [2021-11-20 06:26:49,960 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 06:26:49,960 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1518755471] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:26:49,960 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 06:26:49,961 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [15] total 23 [2021-11-20 06:26:49,961 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100861782] [2021-11-20 06:26:49,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:26:49,962 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-20 06:26:49,962 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:26:49,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-20 06:26:49,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=458, Unknown=0, NotChecked=0, Total=506 [2021-11-20 06:26:49,963 INFO L87 Difference]: Start difference. First operand 3082 states and 3877 transitions. Second operand has 10 states, 8 states have (on average 14.375) internal successors, (115), 8 states have internal predecessors, (115), 4 states have call successors, (41), 4 states have call predecessors, (41), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2021-11-20 06:26:59,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:26:59,126 INFO L93 Difference]: Finished difference Result 4870 states and 6171 transitions. [2021-11-20 06:26:59,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-20 06:26:59,126 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 14.375) internal successors, (115), 8 states have internal predecessors, (115), 4 states have call successors, (41), 4 states have call predecessors, (41), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 455 [2021-11-20 06:26:59,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:26:59,132 INFO L225 Difference]: With dead ends: 4870 [2021-11-20 06:26:59,133 INFO L226 Difference]: Without dead ends: 3530 [2021-11-20 06:26:59,135 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 621 GetRequests, 594 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=81, Invalid=731, Unknown=0, NotChecked=0, Total=812 [2021-11-20 06:26:59,140 INFO L933 BasicCegarLoop]: 1243 mSDtfsCounter, 390 mSDsluCounter, 5995 mSDsCounter, 0 mSdLazyCounter, 4579 mSolverCounterSat, 303 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 508 SdHoareTripleChecker+Valid, 7238 SdHoareTripleChecker+Invalid, 4882 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 303 IncrementalHoareTripleChecker+Valid, 4579 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2021-11-20 06:26:59,140 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [508 Valid, 7238 Invalid, 4882 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [303 Valid, 4579 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2021-11-20 06:26:59,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3530 states. [2021-11-20 06:26:59,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3530 to 3103. [2021-11-20 06:26:59,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3103 states, 2068 states have (on average 1.163926499032882) internal successors, (2407), 2111 states have internal predecessors, (2407), 713 states have call successors, (713), 293 states have call predecessors, (713), 317 states have return successors, (784), 714 states have call predecessors, (784), 711 states have call successors, (784) [2021-11-20 06:26:59,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3103 states to 3103 states and 3904 transitions. [2021-11-20 06:26:59,701 INFO L78 Accepts]: Start accepts. Automaton has 3103 states and 3904 transitions. Word has length 455 [2021-11-20 06:26:59,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:26:59,701 INFO L470 AbstractCegarLoop]: Abstraction has 3103 states and 3904 transitions. [2021-11-20 06:26:59,701 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 14.375) internal successors, (115), 8 states have internal predecessors, (115), 4 states have call successors, (41), 4 states have call predecessors, (41), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2021-11-20 06:26:59,702 INFO L276 IsEmpty]: Start isEmpty. Operand 3103 states and 3904 transitions. [2021-11-20 06:26:59,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2021-11-20 06:26:59,705 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:26:59,705 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 11, 11, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:26:59,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-11-20 06:26:59,905 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable53 [2021-11-20 06:26:59,906 INFO L402 AbstractCegarLoop]: === Iteration 55 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-20 06:26:59,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:26:59,906 INFO L85 PathProgramCache]: Analyzing trace with hash 1529833694, now seen corresponding path program 1 times [2021-11-20 06:26:59,906 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:26:59,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613794416] [2021-11-20 06:26:59,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:26:59,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:27:00,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:00,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:27:00,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:00,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 06:27:00,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:00,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:27:00,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:00,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:27:00,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:00,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-20 06:27:00,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:00,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-20 06:27:00,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:00,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-11-20 06:27:00,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:00,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:27:00,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:00,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-11-20 06:27:00,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:00,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-20 06:27:00,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:00,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-20 06:27:00,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:00,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-20 06:27:00,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:00,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:27:00,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:00,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:27:00,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:00,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:27:00,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:00,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-20 06:27:00,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:00,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:27:00,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:00,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:27:00,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:00,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:27:00,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:00,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-20 06:27:00,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:00,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:27:00,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:00,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:27:00,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:00,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:27:00,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:00,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-20 06:27:00,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:00,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-20 06:27:00,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:00,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-11-20 06:27:00,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:00,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:27:00,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:00,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-20 06:27:00,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:00,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 06:27:00,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:00,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:27:00,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:00,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-11-20 06:27:00,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:00,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:27:00,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:00,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-11-20 06:27:00,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:00,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-11-20 06:27:00,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:00,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:27:00,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:00,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:27:00,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:00,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-20 06:27:00,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:00,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:27:00,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:00,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-11-20 06:27:00,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:00,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-11-20 06:27:00,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:00,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-11-20 06:27:00,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:00,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:27:00,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:00,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-11-20 06:27:00,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:00,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:27:00,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:00,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-20 06:27:00,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:00,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-11-20 06:27:00,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:00,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-11-20 06:27:00,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:00,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-11-20 06:27:00,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:00,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:27:00,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:00,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-11-20 06:27:00,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:00,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:27:00,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:00,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:27:00,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:00,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-11-20 06:27:00,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:00,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:27:00,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:00,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-11-20 06:27:00,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:00,395 INFO L134 CoverageAnalysis]: Checked inductivity of 629 backedges. 3 proven. 36 refuted. 0 times theorem prover too weak. 590 trivial. 0 not checked. [2021-11-20 06:27:00,395 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:27:00,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613794416] [2021-11-20 06:27:00,395 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613794416] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 06:27:00,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1793404699] [2021-11-20 06:27:00,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:27:00,396 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:27:00,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:27:00,397 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:27:00,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-20 06:27:00,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:00,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 2353 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-20 06:27:00,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:27:01,723 INFO L134 CoverageAnalysis]: Checked inductivity of 629 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 491 trivial. 0 not checked. [2021-11-20 06:27:01,723 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 06:27:01,723 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1793404699] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:27:01,723 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 06:27:01,723 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [12] total 21 [2021-11-20 06:27:01,724 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029224463] [2021-11-20 06:27:01,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:27:01,724 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-20 06:27:01,724 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:27:01,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-20 06:27:01,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=381, Unknown=0, NotChecked=0, Total=420 [2021-11-20 06:27:01,725 INFO L87 Difference]: Start difference. First operand 3103 states and 3904 transitions. Second operand has 13 states, 12 states have (on average 12.75) internal successors, (153), 12 states have internal predecessors, (153), 6 states have call successors, (51), 2 states have call predecessors, (51), 4 states have return successors, (49), 6 states have call predecessors, (49), 6 states have call successors, (49) [2021-11-20 06:27:03,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:27:03,074 INFO L93 Difference]: Finished difference Result 5581 states and 6998 transitions. [2021-11-20 06:27:03,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-20 06:27:03,075 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 12.75) internal successors, (153), 12 states have internal predecessors, (153), 6 states have call successors, (51), 2 states have call predecessors, (51), 4 states have return successors, (49), 6 states have call predecessors, (49), 6 states have call successors, (49) Word has length 342 [2021-11-20 06:27:03,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:27:03,086 INFO L225 Difference]: With dead ends: 5581 [2021-11-20 06:27:03,087 INFO L226 Difference]: Without dead ends: 3388 [2021-11-20 06:27:03,093 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 468 GetRequests, 439 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=113, Invalid=817, Unknown=0, NotChecked=0, Total=930 [2021-11-20 06:27:03,093 INFO L933 BasicCegarLoop]: 1279 mSDtfsCounter, 219 mSDsluCounter, 13647 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 212 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 14926 SdHoareTripleChecker+Invalid, 661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 212 IncrementalHoareTripleChecker+Valid, 449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-20 06:27:03,094 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [219 Valid, 14926 Invalid, 661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [212 Valid, 449 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-20 06:27:03,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3388 states. [2021-11-20 06:27:03,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3388 to 3103. [2021-11-20 06:27:03,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3103 states, 2068 states have (on average 1.163926499032882) internal successors, (2407), 2111 states have internal predecessors, (2407), 713 states have call successors, (713), 293 states have call predecessors, (713), 317 states have return successors, (784), 714 states have call predecessors, (784), 711 states have call successors, (784) [2021-11-20 06:27:03,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3103 states to 3103 states and 3904 transitions. [2021-11-20 06:27:03,814 INFO L78 Accepts]: Start accepts. Automaton has 3103 states and 3904 transitions. Word has length 342 [2021-11-20 06:27:03,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:27:03,815 INFO L470 AbstractCegarLoop]: Abstraction has 3103 states and 3904 transitions. [2021-11-20 06:27:03,815 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 12.75) internal successors, (153), 12 states have internal predecessors, (153), 6 states have call successors, (51), 2 states have call predecessors, (51), 4 states have return successors, (49), 6 states have call predecessors, (49), 6 states have call successors, (49) [2021-11-20 06:27:03,815 INFO L276 IsEmpty]: Start isEmpty. Operand 3103 states and 3904 transitions. [2021-11-20 06:27:03,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 516 [2021-11-20 06:27:03,821 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:27:03,821 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 23, 11, 11, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] WARNING: YOUR LOGFILE WAS TOO LONG, SOME LINES IN THE MIDDLE WERE REMOVED. [L8469] tmp___0 = ldv_is_err((void const *)res) [L8470] CALL ldv_assume(tmp___0 == 0L) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8357] COND FALSE !(expression == 0) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, expression=1, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8470] RET ldv_assume(tmp___0 == 0L) VAL [\old(size)=16, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={97:0}, rtnllocknumber=0, size=16, tmp={97:0}, tmp___0=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8472] return (res); VAL [\old(size)=16, \result={97:0}, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={97:0}, rtnllocknumber=0, size=16, tmp={97:0}, tmp___0=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5698] RET, EXPR ldv_xmalloc(16UL) VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, arg0={90:0}, arg0={90:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, ldv_xmalloc(16UL)={97:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5698] tmp = ldv_xmalloc(16UL) [L5699] cf_arg_1 = (struct ldv_struct_usb_instance_1 *)tmp [L5700] cf_arg_1->arg0 = arg0 [L5701] CALL ldv_usb_usb_instance_1((void *)cf_arg_1) [L6168] struct usb_driver *ldv_1_container_usb_driver ; [L6169] struct usb_device_id *ldv_1_ldv_param_13_1_default ; [L6170] int ldv_1_probe_retval_default ; [L6171] _Bool ldv_1_reset_flag_default ; [L6172] struct usb_interface *ldv_1_resource_usb_interface ; [L6173] struct usb_device *ldv_1_usb_device_usb_device ; [L6174] struct ldv_struct_usb_instance_1 *data ; [L6175] void *tmp ; [L6176] void *tmp___0 ; [L6177] void *tmp___1 ; [L6178] int tmp___2 ; [L6179] int tmp___3 ; [L6181] data = (struct ldv_struct_usb_instance_1 *)arg0 [L6182] ldv_1_reset_flag_default = 0 VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, arg0={97:0}, arg0={97:0}, data={97:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_1_reset_flag_default=0, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6183] COND TRUE (unsigned long )data != (unsigned long )((struct ldv_struct_usb_instance_1 *)0) [L6185] EXPR data->arg0 [L6185] ldv_1_container_usb_driver = data->arg0 [L6186] CALL ldv_free((void *)data) VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, s={97:0}, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6186] RET ldv_free((void *)data) VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, arg0={97:0}, arg0={97:0}, data={97:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_1_container_usb_driver={90:0}, ldv_1_reset_flag_default=0, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6191] CALL, EXPR ldv_xmalloc(1552UL) VAL [\old(size)=1552, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8461] void *res ; [L8462] void *tmp ; [L8463] long tmp___0 ; [L8466] tmp = malloc(size) [L8467] res = tmp VAL [\old(size)=1552, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={18446744073709551617:0}, rtnllocknumber=0, size=1552, tmp={18446744073709551617:0}, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8468] CALL ldv_assume((unsigned long )res != (unsigned long )((void *)0)) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8357] COND FALSE !(expression == 0) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, expression=1, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8468] RET ldv_assume((unsigned long )res != (unsigned long )((void *)0)) VAL [\old(size)=1552, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={18446744073709551617:0}, rtnllocknumber=0, size=1552, tmp={18446744073709551617:0}, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8469] CALL, EXPR ldv_is_err((void const *)res) VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, ptr={18446744073709551617:0}, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L7220] return ((unsigned long )ptr > 4294967295UL); VAL [\result=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, ptr={18446744073709551617:0}, ptr={18446744073709551617:0}, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8469] RET, EXPR ldv_is_err((void const *)res) VAL [\old(size)=1552, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_is_err((void const *)res)=0, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={18446744073709551617:0}, rtnllocknumber=0, size=1552, tmp={18446744073709551617:0}, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8469] tmp___0 = ldv_is_err((void const *)res) [L8470] CALL ldv_assume(tmp___0 == 0L) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8357] COND FALSE !(expression == 0) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, expression=1, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8470] RET ldv_assume(tmp___0 == 0L) VAL [\old(size)=1552, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={18446744073709551617:0}, rtnllocknumber=0, size=1552, tmp={18446744073709551617:0}, tmp___0=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8472] return (res); VAL [\old(size)=1552, \result={18446744073709551617:0}, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={18446744073709551617:0}, rtnllocknumber=0, size=1552, tmp={18446744073709551617:0}, tmp___0=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6191] RET, EXPR ldv_xmalloc(1552UL) VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, arg0={97:0}, arg0={97:0}, data={97:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_1_container_usb_driver={90:0}, ldv_1_reset_flag_default=0, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, ldv_xmalloc(1552UL)={18446744073709551617:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6191] tmp = ldv_xmalloc(1552UL) [L6192] ldv_1_resource_usb_interface = (struct usb_interface *)tmp VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, arg0={97:0}, arg0={97:0}, data={97:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_1_container_usb_driver={90:0}, ldv_1_reset_flag_default=0, ldv_1_resource_usb_interface={18446744073709551617:0}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp={18446744073709551617:0}, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6193] CALL, EXPR ldv_xmalloc(2024UL) VAL [\old(size)=2024, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8461] void *res ; [L8462] void *tmp ; [L8463] long tmp___0 ; [L8466] tmp = malloc(size) [L8467] res = tmp VAL [\old(size)=2024, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={-36893488147419103231:0}, rtnllocknumber=0, size=2024, tmp={-36893488147419103231:0}, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8468] CALL ldv_assume((unsigned long )res != (unsigned long )((void *)0)) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8357] COND FALSE !(expression == 0) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, expression=1, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8468] RET ldv_assume((unsigned long )res != (unsigned long )((void *)0)) VAL [\old(size)=2024, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={-36893488147419103231:0}, rtnllocknumber=0, size=2024, tmp={-36893488147419103231:0}, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8469] CALL, EXPR ldv_is_err((void const *)res) VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, ptr={-36893488147419103231:0}, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L7220] return ((unsigned long )ptr > 4294967295UL); VAL [\result=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, ptr={-36893488147419103231:0}, ptr={-36893488147419103231:0}, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8469] RET, EXPR ldv_is_err((void const *)res) VAL [\old(size)=2024, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_is_err((void const *)res)=0, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={-36893488147419103231:0}, rtnllocknumber=0, size=2024, tmp={-36893488147419103231:0}, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8469] tmp___0 = ldv_is_err((void const *)res) [L8470] CALL ldv_assume(tmp___0 == 0L) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8357] COND FALSE !(expression == 0) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, expression=1, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8470] RET ldv_assume(tmp___0 == 0L) VAL [\old(size)=2024, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={-36893488147419103231:0}, rtnllocknumber=0, size=2024, tmp={-36893488147419103231:0}, tmp___0=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8472] return (res); VAL [\old(size)=2024, \result={-36893488147419103231:0}, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={-36893488147419103231:0}, rtnllocknumber=0, size=2024, tmp={-36893488147419103231:0}, tmp___0=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6193] RET, EXPR ldv_xmalloc(2024UL) VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, arg0={97:0}, arg0={97:0}, data={97:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_1_container_usb_driver={90:0}, ldv_1_reset_flag_default=0, ldv_1_resource_usb_interface={18446744073709551617:0}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, ldv_xmalloc(2024UL)={-36893488147419103231:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp={18446744073709551617:0}, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6193] tmp___0 = ldv_xmalloc(2024UL) [L6194] ldv_1_usb_device_usb_device = (struct usb_device *)tmp___0 [L6195] ldv_1_resource_usb_interface->dev.parent = & ldv_1_usb_device_usb_device->dev VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, arg0={97:0}, arg0={97:0}, data={97:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_1_container_usb_driver={90:0}, ldv_1_reset_flag_default=0, ldv_1_resource_usb_interface={18446744073709551617:0}, ldv_1_usb_device_usb_device={-36893488147419103231:0}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp={18446744073709551617:0}, tmp___0={-36893488147419103231:0}, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6196] CALL, EXPR ldv_xmalloc(32UL) VAL [\old(size)=32, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8461] void *res ; [L8462] void *tmp ; [L8463] long tmp___0 ; [L8466] tmp = malloc(size) [L8467] res = tmp VAL [\old(size)=32, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={-55340232221128654847:0}, rtnllocknumber=0, size=32, tmp={-55340232221128654847:0}, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8468] CALL ldv_assume((unsigned long )res != (unsigned long )((void *)0)) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8357] COND FALSE !(expression == 0) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, expression=1, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8468] RET ldv_assume((unsigned long )res != (unsigned long )((void *)0)) VAL [\old(size)=32, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={-55340232221128654847:0}, rtnllocknumber=0, size=32, tmp={-55340232221128654847:0}, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8469] CALL, EXPR ldv_is_err((void const *)res) VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, ptr={-55340232221128654847:0}, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L7220] return ((unsigned long )ptr > 4294967295UL); VAL [\result=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, ptr={-55340232221128654847:0}, ptr={-55340232221128654847:0}, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8469] RET, EXPR ldv_is_err((void const *)res) VAL [\old(size)=32, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_is_err((void const *)res)=0, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={-55340232221128654847:0}, rtnllocknumber=0, size=32, tmp={-55340232221128654847:0}, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8469] tmp___0 = ldv_is_err((void const *)res) [L8470] CALL ldv_assume(tmp___0 == 0L) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8357] COND FALSE !(expression == 0) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, expression=1, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8470] RET ldv_assume(tmp___0 == 0L) VAL [\old(size)=32, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={-55340232221128654847:0}, rtnllocknumber=0, size=32, tmp={-55340232221128654847:0}, tmp___0=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8472] return (res); VAL [\old(size)=32, \result={-55340232221128654847:0}, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={-55340232221128654847:0}, rtnllocknumber=0, size=32, tmp={-55340232221128654847:0}, tmp___0=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6196] RET, EXPR ldv_xmalloc(32UL) VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, arg0={97:0}, arg0={97:0}, data={97:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_1_container_usb_driver={90:0}, ldv_1_reset_flag_default=0, ldv_1_resource_usb_interface={18446744073709551617:0}, ldv_1_usb_device_usb_device={-36893488147419103231:0}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, ldv_xmalloc(32UL)={-55340232221128654847:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp={18446744073709551617:0}, tmp___0={-36893488147419103231:0}, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6196] tmp___1 = ldv_xmalloc(32UL) [L6197] ldv_1_ldv_param_13_1_default = (struct usb_device_id *)tmp___1 [L6198] CALL ldv_ldv_pre_probe_136() [L6716] CALL ldv_linux_net_register_reset_error_counter() VAL [\old(ldv_linux_net_register_probe_state)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L7861] ldv_linux_net_register_probe_state = 0 VAL [\old(ldv_linux_net_register_probe_state)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6716] RET ldv_linux_net_register_reset_error_counter() VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6717] CALL ldv_linux_usb_register_reset_error_counter() VAL [\old(ldv_linux_usb_register_probe_state)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8291] ldv_linux_usb_register_probe_state = 0 VAL [\old(ldv_linux_usb_register_probe_state)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6717] RET ldv_linux_usb_register_reset_error_counter() VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6718] FCALL ldv_pre_probe() [L6198] RET ldv_ldv_pre_probe_136() [L6200] EXPR ldv_1_container_usb_driver->probe [L6199-L6202] CALL, EXPR ldv_usb_instance_probe_1_13((int (*)(struct usb_interface * , struct usb_device_id * ))ldv_1_container_usb_driver->probe, ldv_1_resource_usb_interface, ldv_1_ldv_param_13_1_default) [L6114] int tmp ; [L6117] CALL, EXPR tower_probe(arg1, (struct usb_device_id const *)arg2) [L5354] struct device *idev ; [L5355] struct usb_device *udev ; [L5356] struct usb_device *tmp ; [L5357] struct lego_usb_tower *dev ; [L5358] struct usb_host_interface *iface_desc ; [L5359] struct usb_endpoint_descriptor *endpoint ; [L5360] struct tower_get_version_reply get_version_reply ; [L5361] int i ; [L5362] int retval ; [L5363] int result ; [L5364] void *tmp___0 ; [L5365] struct lock_class_key __key ; [L5366] struct lock_class_key __key___0 ; [L5367] struct lock_class_key __key___1 ; [L5368] struct lock_class_key __key___2 ; [L5369] int tmp___1 ; [L5370] int tmp___2 ; [L5371] void *tmp___3 ; [L5372] int tmp___4 ; [L5373] void *tmp___5 ; [L5374] void *tmp___6 ; [L5375] unsigned int tmp___7 ; [L5378] idev = & interface->dev [L5379] CALL, EXPR interface_to_usbdev(interface) [L4389] struct device const *__mptr ; [L4391] EXPR intf->dev.parent [L4391] __mptr = (struct device const *)intf->dev.parent [L4392] return ((struct usb_device *)__mptr + 0xffffffffffffff70UL); VAL [\result={-36893488147419103231:-277641}, __ldv_in_interrupt_context=0, __mptr={-36893488147419103231:135}, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, intf={18446744073709551617:0}, intf={18446744073709551617:0}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5379] RET, EXPR interface_to_usbdev(interface) [L5379] tmp = interface_to_usbdev(interface) [L5380] udev = tmp [L5381] dev = (struct lego_usb_tower *)0 [L5382] retval = -12 VAL [__key={18446744073709551620:0}, __key___0={18446744073709551624:0}, __key___1={18446744073709551621:0}, __key___2={18446744073709551623:0}, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, dev={0:0}, get_version_reply={18446744073709551622:0}, id={-55340232221128654847:0}, id={-55340232221128654847:0}, idev={18446744073709551617:43}, interface={18446744073709551617:0}, interface={18446744073709551617:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, retval=-12, rtnllocknumber=0, tmp={-36893488147419103231:-277641}, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, udev={-36893488147419103231:-277641}, write_buffer_size=480] [L5383] CALL, EXPR kmalloc(536UL, 208U) VAL [\old(flags)=208, \old(size)=536, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6281] void *res ; VAL [\old(flags)=208, \old(size)=536, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, flags=208, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, size=536, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6284] CALL ldv_check_alloc_flags(flags) VAL [\old(flags)=208, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4065] CALL ldv_linux_alloc_irq_check_alloc_flags(flags) VAL [\old(flags)=208, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6740] bool tmp ; [L6741] int tmp___0 ; VAL [\old(flags)=208, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, flags=208, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6744] CALL, EXPR ldv_in_interrupt_context() VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L7739] return (__ldv_in_interrupt_context); VAL [\result=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6744] RET, EXPR ldv_in_interrupt_context() VAL [\old(flags)=208, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, flags=208, interrupt_in_interval=2, interrupt_out_interval=8, ldv_in_interrupt_context()=0, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6744] tmp = ldv_in_interrupt_context() [L6746] COND FALSE !(\read(tmp)) [L6749] tmp___0 = 1 VAL [\old(flags)=208, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, flags=208, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp=0, tmp___0=1, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6752] CALL ldv_assert_linux_alloc_irq__wrong_flags(tmp___0 || flags == 32U) [L10815] COND FALSE !(! expr) VAL [\old(expr)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, expr=1, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6752] RET ldv_assert_linux_alloc_irq__wrong_flags(tmp___0 || flags == 32U) [L4065] RET ldv_linux_alloc_irq_check_alloc_flags(flags) VAL [\old(flags)=208, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, flags=208, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4066] CALL ldv_linux_alloc_usb_lock_check_alloc_flags(flags) VAL [\old(flags)=208, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6807] COND FALSE !(ldv_linux_alloc_usb_lock_lock == 2) VAL [\old(flags)=208, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, flags=208, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4066] RET ldv_linux_alloc_usb_lock_check_alloc_flags(flags) VAL [\old(flags)=208, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, flags=208, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6284] RET ldv_check_alloc_flags(flags) VAL [\old(flags)=208, \old(size)=536, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, flags=208, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, size=536, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6285] CALL, EXPR ldv_malloc(size) VAL [\old(size)=536, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8394] void *res ; [L8395] void *tmp ; [L8396] long tmp___0 ; [L8397] int tmp___1 ; VAL [\old(size)=536, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, size=536, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8400] CALL, EXPR ldv_undef_int() VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8496] int tmp ; [L8499] tmp = __VERIFIER_nondet_int() [L8501] return (tmp); VAL [\result=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8400] RET, EXPR ldv_undef_int() VAL [\old(size)=536, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, ldv_undef_int()=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, size=536, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8400] tmp___1 = ldv_undef_int() [L8402] COND FALSE !(tmp___1 != 0) [L8412] return ((void *)0); VAL [\old(size)=536, \result={0:0}, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, size=536, tmp___1=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6285] RET, EXPR ldv_malloc(size) VAL [\old(flags)=208, \old(size)=536, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, flags=208, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_malloc(size)={0:0}, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, size=536, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6285] res = ldv_malloc(size) [L6286] FCALL ldv_after_alloc(res) VAL [\old(flags)=208, \old(size)=536, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, flags=208, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={0:0}, rtnllocknumber=0, size=536, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6288] return (res); VAL [\old(flags)=208, \old(size)=536, \result={0:0}, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, flags=208, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={0:0}, rtnllocknumber=0, size=536, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5383] RET, EXPR kmalloc(536UL, 208U) VAL [__key={18446744073709551620:0}, __key___0={18446744073709551624:0}, __key___1={18446744073709551621:0}, __key___2={18446744073709551623:0}, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, dev={0:0}, get_version_reply={18446744073709551622:0}, id={-55340232221128654847:0}, id={-55340232221128654847:0}, idev={18446744073709551617:43}, interface={18446744073709551617:0}, interface={18446744073709551617:0}, interrupt_in_interval=2, interrupt_out_interval=8, kmalloc(536UL, 208U)={0:0}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, retval=-12, rtnllocknumber=0, tmp={-36893488147419103231:-277641}, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, udev={-36893488147419103231:-277641}, write_buffer_size=480] [L5383] tmp___0 = kmalloc(536UL, 208U) [L5384] dev = (struct lego_usb_tower *)tmp___0 VAL [__key={18446744073709551620:0}, __key___0={18446744073709551624:0}, __key___1={18446744073709551621:0}, __key___2={18446744073709551623:0}, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, dev={0:0}, get_version_reply={18446744073709551622:0}, id={-55340232221128654847:0}, id={-55340232221128654847:0}, idev={18446744073709551617:43}, interface={18446744073709551617:0}, interface={18446744073709551617:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, retval=-12, rtnllocknumber=0, tmp={-36893488147419103231:-277641}, tmp___0={0:0}, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, udev={-36893488147419103231:-277641}, write_buffer_size=480] [L5386] COND TRUE (unsigned long )dev == (unsigned long )((struct lego_usb_tower *)0) VAL [__key={18446744073709551620:0}, __key___0={18446744073709551624:0}, __key___1={18446744073709551621:0}, __key___2={18446744073709551623:0}, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, dev={0:0}, get_version_reply={18446744073709551622:0}, id={-55340232221128654847:0}, id={-55340232221128654847:0}, idev={18446744073709551617:43}, interface={18446744073709551617:0}, interface={18446744073709551617:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, retval=-12, rtnllocknumber=0, tmp={-36893488147419103231:-277641}, tmp___0={0:0}, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, udev={-36893488147419103231:-277641}, write_buffer_size=480] [L5545] return (retval); [L5545] return (retval); [L5545] return (retval); [L5545] return (retval); [L5545] return (retval); [L5545] return (retval); VAL [\result=-12, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, dev={0:0}, id={-55340232221128654847:0}, id={-55340232221128654847:0}, idev={18446744073709551617:43}, interface={18446744073709551617:0}, interface={18446744073709551617:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, retval=-12, rtnllocknumber=0, tmp={-36893488147419103231:-277641}, tmp___0={0:0}, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, udev={-36893488147419103231:-277641}, write_buffer_size=480] [L6117] RET, EXPR tower_probe(arg1, (struct usb_device_id const *)arg2) [L6117] tmp = tower_probe(arg1, (struct usb_device_id const *)arg2) [L6119] return (tmp); VAL [\result=-12, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, arg0={-1:7}, arg0={-1:7}, arg1={18446744073709551617:0}, arg1={18446744073709551617:0}, arg2={-55340232221128654847:0}, arg2={-55340232221128654847:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp=-12, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6199-L6202] RET, EXPR ldv_usb_instance_probe_1_13((int (*)(struct usb_interface * , struct usb_device_id * ))ldv_1_container_usb_driver->probe, ldv_1_resource_usb_interface, ldv_1_ldv_param_13_1_default) [L6199-L6202] ldv_1_probe_retval_default = ldv_usb_instance_probe_1_13((int (*)(struct usb_interface * , struct usb_device_id * ))ldv_1_container_usb_driver->probe, ldv_1_resource_usb_interface, ldv_1_ldv_param_13_1_default) [L6203] CALL, EXPR ldv_ldv_post_probe_137(ldv_1_probe_retval_default) [L6725] int tmp ; [L6728] CALL ldv_linux_net_register_check_return_value_probe(retval) [L7868] COND FALSE !(ldv_linux_net_register_probe_state == 1) VAL [\old(retval)=-12, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, retval=-12, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L7875] CALL ldv_linux_net_register_reset_error_counter() VAL [\old(ldv_linux_net_register_probe_state)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L7861] ldv_linux_net_register_probe_state = 0 VAL [\old(ldv_linux_net_register_probe_state)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L7875] RET ldv_linux_net_register_reset_error_counter() VAL [\old(retval)=-12, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, retval=-12, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6728] RET ldv_linux_net_register_check_return_value_probe(retval) [L6729] CALL ldv_linux_usb_register_check_return_value_probe(retval) [L8298] COND FALSE !(ldv_linux_usb_register_probe_state == 1) VAL [\old(retval)=-12, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, retval=-12, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8305] CALL ldv_linux_usb_register_reset_error_counter() VAL [\old(ldv_linux_usb_register_probe_state)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8291] ldv_linux_usb_register_probe_state = 0 VAL [\old(ldv_linux_usb_register_probe_state)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8305] RET ldv_linux_usb_register_reset_error_counter() VAL [\old(retval)=-12, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, retval=-12, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6729] RET ldv_linux_usb_register_check_return_value_probe(retval) [L6730] CALL, EXPR ldv_post_probe(retval) [L7701] int tmp ; VAL [\old(probe_ret_val)=-12, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, probe_ret_val=-12, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L7704] CALL, EXPR ldv_filter_positive_int(probe_ret_val) VAL [\old(val)=-12, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L7684] CALL ldv_assume(val <= 0) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8357] COND FALSE !(expression == 0) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, expression=1, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L7684] RET ldv_assume(val <= 0) VAL [\old(val)=-12, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, val=-12, write_buffer_size=480] [L7686] return (val); VAL [\old(val)=-12, \result=-12, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, val=-12, write_buffer_size=480] [L7704] RET, EXPR ldv_filter_positive_int(probe_ret_val) VAL [\old(probe_ret_val)=-12, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_filter_positive_int(probe_ret_val)=-12, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, probe_ret_val=-12, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L7704] tmp = ldv_filter_positive_int(probe_ret_val) [L7706] return (tmp); VAL [\old(probe_ret_val)=-12, \result=-12, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, probe_ret_val=-12, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp=-12, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6730] RET, EXPR ldv_post_probe(retval) [L6730] tmp = ldv_post_probe(retval) [L6732] return (tmp); VAL [\old(retval)=-12, \result=-12, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, retval=-12, rtnllocknumber=0, tmp=-12, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6203] RET, EXPR ldv_ldv_post_probe_137(ldv_1_probe_retval_default) [L6203] ldv_1_probe_retval_default = ldv_ldv_post_probe_137(ldv_1_probe_retval_default) [L6204] CALL ldv_free((void *)ldv_1_ldv_param_13_1_default) VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, s={-55340232221128654847:0}, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6204] RET ldv_free((void *)ldv_1_ldv_param_13_1_default) VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, arg0={97:0}, arg0={97:0}, data={97:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_1_container_usb_driver={90:0}, ldv_1_ldv_param_13_1_default={-55340232221128654847:0}, ldv_1_probe_retval_default=-12, ldv_1_reset_flag_default=0, ldv_1_resource_usb_interface={18446744073709551617:0}, ldv_1_usb_device_usb_device={-36893488147419103231:0}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp={18446744073709551617:0}, tmp___0={-36893488147419103231:0}, tmp___1={-55340232221128654847:0}, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6205] CALL, EXPR ldv_undef_int() VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8496] int tmp ; [L8499] tmp = __VERIFIER_nondet_int() [L8501] return (tmp); VAL [\result=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6205] RET, EXPR ldv_undef_int() VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, arg0={97:0}, arg0={97:0}, data={97:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_1_container_usb_driver={90:0}, ldv_1_ldv_param_13_1_default={-55340232221128654847:0}, ldv_1_probe_retval_default=-12, ldv_1_reset_flag_default=0, ldv_1_resource_usb_interface={18446744073709551617:0}, ldv_1_usb_device_usb_device={-36893488147419103231:0}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, ldv_undef_int()=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp={18446744073709551617:0}, tmp___0={-36893488147419103231:0}, tmp___1={-55340232221128654847:0}, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6205] tmp___3 = ldv_undef_int() [L6207] COND FALSE !(tmp___3 != 0) VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, arg0={97:0}, arg0={97:0}, data={97:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_1_container_usb_driver={90:0}, ldv_1_ldv_param_13_1_default={-55340232221128654847:0}, ldv_1_probe_retval_default=-12, ldv_1_reset_flag_default=0, ldv_1_resource_usb_interface={18446744073709551617:0}, ldv_1_usb_device_usb_device={-36893488147419103231:0}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp={18446744073709551617:0}, tmp___0={-36893488147419103231:0}, tmp___1={-55340232221128654847:0}, tmp___3=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6268] CALL ldv_assume(ldv_1_probe_retval_default != 0) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8357] COND FALSE !(expression == 0) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, expression=1, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6268] RET ldv_assume(ldv_1_probe_retval_default != 0) VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, arg0={97:0}, arg0={97:0}, data={97:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_1_container_usb_driver={90:0}, ldv_1_ldv_param_13_1_default={-55340232221128654847:0}, ldv_1_probe_retval_default=-12, ldv_1_reset_flag_default=0, ldv_1_resource_usb_interface={18446744073709551617:0}, ldv_1_usb_device_usb_device={-36893488147419103231:0}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp={18446744073709551617:0}, tmp___0={-36893488147419103231:0}, tmp___1={-55340232221128654847:0}, tmp___3=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6272] CALL ldv_free((void *)ldv_1_resource_usb_interface) VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, s={18446744073709551617:0}, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6272] RET ldv_free((void *)ldv_1_resource_usb_interface) VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, arg0={97:0}, arg0={97:0}, data={97:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_1_container_usb_driver={90:0}, ldv_1_ldv_param_13_1_default={-55340232221128654847:0}, ldv_1_probe_retval_default=-12, ldv_1_reset_flag_default=0, ldv_1_resource_usb_interface={18446744073709551617:0}, ldv_1_usb_device_usb_device={-36893488147419103231:0}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp={18446744073709551617:0}, tmp___0={-36893488147419103231:0}, tmp___1={-55340232221128654847:0}, tmp___3=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6273] CALL ldv_free((void *)ldv_1_usb_device_usb_device) VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, s={-36893488147419103231:0}, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6273] RET ldv_free((void *)ldv_1_usb_device_usb_device) VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, arg0={97:0}, arg0={97:0}, data={97:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_1_container_usb_driver={90:0}, ldv_1_ldv_param_13_1_default={-55340232221128654847:0}, ldv_1_probe_retval_default=-12, ldv_1_reset_flag_default=0, ldv_1_resource_usb_interface={18446744073709551617:0}, ldv_1_usb_device_usb_device={-36893488147419103231:0}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp={18446744073709551617:0}, tmp___0={-36893488147419103231:0}, tmp___1={-55340232221128654847:0}, tmp___3=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5701] RET ldv_usb_usb_instance_1((void *)cf_arg_1) [L6086] RET ldv_dispatch_instance_register_2_3(ldv_2_container_usb_driver) [L6087] FCALL ldv_dispatch_instance_deregister_2_2(ldv_2_container_usb_driver) [L5715] RET ldv_usb_dummy_factory_2((void *)cf_arg_2) [L6154] RET ldv_dispatch_register_4_2(ldv_4_usb_driver_usb_driver) [L6156] return (arg0); VAL [\old(arg0)=94, \result=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, arg0=0, arg1={90:0}, arg1={90:0}, arg2={18446744073709551684:18446744073709551642}, arg2={18446744073709551684:18446744073709551642}, arg3={82:0}, arg3={82:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_4_usb_driver_usb_driver={90:0}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp=95, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6619] RET, EXPR ldv_usb_register_driver(ldv_func_res, ldv_func_arg1, ldv_func_arg2, (char *)ldv_func_arg3) [L6619] tmp___0 = ldv_usb_register_driver(ldv_func_res, ldv_func_arg1, ldv_func_arg2, (char *)ldv_func_arg3) [L6621] return (tmp___0); VAL [\result=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_func_arg1={90:0}, ldv_func_arg1={90:0}, ldv_func_arg2={18446744073709551684:18446744073709551642}, ldv_func_arg2={18446744073709551684:18446744073709551642}, ldv_func_arg3={82:0}, ldv_func_arg3={82:0}, ldv_func_res=94, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp=94, tmp___0=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5594] RET, EXPR ldv_usb_register_driver_130(& tower_driver, & __this_module, "legousbtower") [L5594] tmp = ldv_usb_register_driver_130(& tower_driver, & __this_module, "legousbtower") [L5596] return (tmp); VAL [\result=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5669] RET, EXPR tower_driver_init() [L5669] tmp = tower_driver_init() [L5671] return (tmp); VAL [\result=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, arg0={18446744073709551692:18446744073709551685}, arg0={18446744073709551692:18446744073709551685}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5742] RET, EXPR ldv_EMGentry_init_tower_driver_init_5_9(ldv_5_init_tower_driver_init_default) [L5742] ldv_5_ret_default = ldv_EMGentry_init_tower_driver_init_5_9(ldv_5_init_tower_driver_init_default) [L5743] CALL, EXPR ldv_ldv_post_init_132(ldv_5_ret_default) [L6637] int tmp ; VAL [\old(ldv_func_arg1)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_func_arg1=0, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6640] CALL ldv_linux_net_register_reset_error_counter() VAL [\old(ldv_linux_net_register_probe_state)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L7861] ldv_linux_net_register_probe_state = 0 VAL [\old(ldv_linux_net_register_probe_state)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6640] RET ldv_linux_net_register_reset_error_counter() VAL [\old(ldv_func_arg1)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_func_arg1=0, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6641] CALL ldv_linux_usb_register_reset_error_counter() VAL [\old(ldv_linux_usb_register_probe_state)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8291] ldv_linux_usb_register_probe_state = 0 VAL [\old(ldv_linux_usb_register_probe_state)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6641] RET ldv_linux_usb_register_reset_error_counter() VAL [\old(ldv_func_arg1)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_func_arg1=0, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6642] CALL, EXPR ldv_post_init(ldv_func_arg1) [L7691] int tmp ; VAL [\old(init_ret_val)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, init_ret_val=0, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L7694] CALL, EXPR ldv_filter_positive_int(init_ret_val) VAL [\old(val)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L7684] CALL ldv_assume(val <= 0) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8357] COND FALSE !(expression == 0) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, expression=1, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L7684] RET ldv_assume(val <= 0) VAL [\old(val)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, val=0, write_buffer_size=480] [L7686] return (val); VAL [\old(val)=0, \result=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, val=0, write_buffer_size=480] [L7694] RET, EXPR ldv_filter_positive_int(init_ret_val) VAL [\old(init_ret_val)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, init_ret_val=0, interrupt_in_interval=2, interrupt_out_interval=8, ldv_filter_positive_int(init_ret_val)=0, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L7694] tmp = ldv_filter_positive_int(init_ret_val) [L7696] return (tmp); VAL [\old(init_ret_val)=0, \result=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, init_ret_val=0, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6642] RET, EXPR ldv_post_init(ldv_func_arg1) [L6642] tmp = ldv_post_init(ldv_func_arg1) [L6644] return (tmp); VAL [\old(ldv_func_arg1)=0, \result=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_func_arg1=0, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5743] RET, EXPR ldv_ldv_post_init_132(ldv_5_ret_default) [L5743] ldv_5_ret_default = ldv_ldv_post_init_132(ldv_5_ret_default) [L5744] CALL, EXPR ldv_undef_int() VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8496] int tmp ; [L8499] tmp = __VERIFIER_nondet_int() [L8501] return (tmp); VAL [\result=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5744] RET, EXPR ldv_undef_int() VAL [={18446744073709551692:18446744073709551685}, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, arg0={0:0}, arg0={0:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_5_ret_default=0, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, ldv_undef_int()=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5744] tmp___0 = ldv_undef_int() [L5746] COND FALSE !(tmp___0 != 0) VAL [={18446744073709551692:18446744073709551685}, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, arg0={0:0}, arg0={0:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_5_ret_default=0, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp___0=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5755] CALL ldv_assume(ldv_5_ret_default == 0) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8357] COND FALSE !(expression == 0) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, expression=1, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5755] RET ldv_assume(ldv_5_ret_default == 0) VAL [={18446744073709551692:18446744073709551685}, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, arg0={0:0}, arg0={0:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_5_ret_default=0, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp___0=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5756] CALL, EXPR ldv_undef_int() VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8496] int tmp ; [L8499] tmp = __VERIFIER_nondet_int() [L8501] return (tmp); VAL [\result=99, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp=99, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5756] RET, EXPR ldv_undef_int() VAL [={18446744073709551692:18446744073709551685}, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, arg0={0:0}, arg0={0:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_5_ret_default=0, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, ldv_undef_int()=99, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp___0=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5756] tmp = ldv_undef_int() [L5758] COND TRUE tmp != 0 [L5760] CALL ldv_dispatch_register_file_operations_instance_3_5_5() [L5722] struct ldv_struct_EMGentry_5 *cf_arg_0 ; [L5723] void *tmp ; VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5726] CALL, EXPR ldv_xmalloc(4UL) VAL [\old(size)=4, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8461] void *res ; [L8462] void *tmp ; [L8463] long tmp___0 ; [L8466] tmp = malloc(size) [L8467] res = tmp VAL [\old(size)=4, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={-73786976290543239169:0}, rtnllocknumber=0, size=4, tmp={-73786976290543239169:0}, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8468] CALL ldv_assume((unsigned long )res != (unsigned long )((void *)0)) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8357] COND FALSE !(expression == 0) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, expression=1, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8468] RET ldv_assume((unsigned long )res != (unsigned long )((void *)0)) VAL [\old(size)=4, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={-73786976290543239169:0}, rtnllocknumber=0, size=4, tmp={-73786976290543239169:0}, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8469] CALL, EXPR ldv_is_err((void const *)res) VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, ptr={-73786976290543239169:0}, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L7220] return ((unsigned long )ptr > 4294967295UL); VAL [\result=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, ptr={-73786976290543239169:0}, ptr={-73786976290543239169:0}, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8469] RET, EXPR ldv_is_err((void const *)res) VAL [\old(size)=4, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_is_err((void const *)res)=0, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={-73786976290543239169:0}, rtnllocknumber=0, size=4, tmp={-73786976290543239169:0}, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8469] tmp___0 = ldv_is_err((void const *)res) [L8470] CALL ldv_assume(tmp___0 == 0L) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8357] COND FALSE !(expression == 0) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, expression=1, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8470] RET ldv_assume(tmp___0 == 0L) VAL [\old(size)=4, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={-73786976290543239169:0}, rtnllocknumber=0, size=4, tmp={-73786976290543239169:0}, tmp___0=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8472] return (res); VAL [\old(size)=4, \result={-73786976290543239169:0}, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={-73786976290543239169:0}, rtnllocknumber=0, size=4, tmp={-73786976290543239169:0}, tmp___0=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5726] RET, EXPR ldv_xmalloc(4UL) VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, ldv_xmalloc(4UL)={-73786976290543239169:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5726] tmp = ldv_xmalloc(4UL) [L5727] cf_arg_0 = (struct ldv_struct_EMGentry_5 *)tmp [L5728] CALL ldv_file_operations_file_operations_instance_0((void *)cf_arg_0) [L5787] char *(*ldv_0_callback_devnode)(struct device * , unsigned short * ) ; [L5788] long long (*ldv_0_callback_llseek)(struct file * , long long , int ) ; [L5789] unsigned int (*ldv_0_callback_poll)(struct file * , struct poll_table_struct * ) ; [L5790] long (*ldv_0_callback_read)(struct file * , char * , unsigned long , long long * ) ; [L5791] struct file_operations *ldv_0_container_file_operations ; [L5792] long long ldv_0_ldv_param_22_1_default ; [L5793] int ldv_0_ldv_param_22_2_default ; [L5794] char *ldv_0_ldv_param_26_1_default ; [L5795] long long *ldv_0_ldv_param_26_3_default ; [L5796] char *ldv_0_ldv_param_4_1_default ; [L5797] long long *ldv_0_ldv_param_4_3_default ; [L5798] struct device *ldv_0_ldv_param_5_0_default ; [L5799] unsigned short *ldv_0_ldv_param_5_1_default ; [L5800] struct file *ldv_0_resource_file ; [L5801] struct inode *ldv_0_resource_inode ; [L5802] int ldv_0_ret_default ; [L5803] struct device *ldv_0_size_cnt_struct_device_ptr ; [L5804] struct poll_table_struct *ldv_0_size_cnt_struct_poll_table_struct_ptr ; [L5805] unsigned long ldv_0_size_cnt_write_size ; [L5806] void *tmp ; [L5807] void *tmp___0 ; [L5808] int tmp___1 ; [L5809] int tmp___2 ; [L5810] int tmp___3 ; [L5811] int tmp___4 ; [L5812] void *tmp___5 ; [L5813] void *tmp___6 ; [L5814] void *tmp___7 ; [L5815] void *tmp___8 ; [L5816] int tmp___9 ; [L5817] void *tmp___10 ; [L5818] void *tmp___11 ; [L5821] ldv_0_ret_default = 1 VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, arg0={-73786976290543239169:0}, arg0={-73786976290543239169:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_0_ret_default=1, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5822] CALL, EXPR ldv_xmalloc(504UL) VAL [\old(size)=504, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8461] void *res ; [L8462] void *tmp ; [L8463] long tmp___0 ; [L8466] tmp = malloc(size) [L8467] res = tmp VAL [\old(size)=504, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={-18446744073709551590:0}, rtnllocknumber=0, size=504, tmp={-18446744073709551590:0}, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8468] CALL ldv_assume((unsigned long )res != (unsigned long )((void *)0)) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8357] COND FALSE !(expression == 0) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, expression=1, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8468] RET ldv_assume((unsigned long )res != (unsigned long )((void *)0)) VAL [\old(size)=504, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={-18446744073709551590:0}, rtnllocknumber=0, size=504, tmp={-18446744073709551590:0}, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8469] CALL, EXPR ldv_is_err((void const *)res) VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, ptr={-18446744073709551590:0}, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L7220] return ((unsigned long )ptr > 4294967295UL); VAL [\result=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, ptr={-18446744073709551590:0}, ptr={-18446744073709551590:0}, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8469] RET, EXPR ldv_is_err((void const *)res) VAL [\old(size)=504, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_is_err((void const *)res)=0, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={-18446744073709551590:0}, rtnllocknumber=0, size=504, tmp={-18446744073709551590:0}, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8469] tmp___0 = ldv_is_err((void const *)res) [L8470] CALL ldv_assume(tmp___0 == 0L) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8357] COND FALSE !(expression == 0) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, expression=1, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8470] RET ldv_assume(tmp___0 == 0L) VAL [\old(size)=504, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={-18446744073709551590:0}, rtnllocknumber=0, size=504, tmp={-18446744073709551590:0}, tmp___0=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8472] return (res); VAL [\old(size)=504, \result={-18446744073709551590:0}, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={-18446744073709551590:0}, rtnllocknumber=0, size=504, tmp={-18446744073709551590:0}, tmp___0=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5822] RET, EXPR ldv_xmalloc(504UL) VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, arg0={-73786976290543239169:0}, arg0={-73786976290543239169:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_0_ret_default=1, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, ldv_xmalloc(504UL)={-18446744073709551590:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5822] tmp = ldv_xmalloc(504UL) [L5823] ldv_0_resource_file = (struct file *)tmp VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, arg0={-73786976290543239169:0}, arg0={-73786976290543239169:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_0_resource_file={-18446744073709551590:0}, ldv_0_ret_default=1, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp={-18446744073709551590:0}, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5824] CALL, EXPR ldv_xmalloc(976UL) VAL [\old(size)=976, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8461] void *res ; [L8462] void *tmp ; [L8463] long tmp___0 ; [L8466] tmp = malloc(size) [L8467] res = tmp VAL [\old(size)=976, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={-18446744073709551615:0}, rtnllocknumber=0, size=976, tmp={-18446744073709551615:0}, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8468] CALL ldv_assume((unsigned long )res != (unsigned long )((void *)0)) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8357] COND FALSE !(expression == 0) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, expression=1, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8468] RET ldv_assume((unsigned long )res != (unsigned long )((void *)0)) VAL [\old(size)=976, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={-18446744073709551615:0}, rtnllocknumber=0, size=976, tmp={-18446744073709551615:0}, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8469] CALL, EXPR ldv_is_err((void const *)res) VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, ptr={-18446744073709551615:0}, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L7220] return ((unsigned long )ptr > 4294967295UL); VAL [\result=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, ptr={-18446744073709551615:0}, ptr={-18446744073709551615:0}, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8469] RET, EXPR ldv_is_err((void const *)res) VAL [\old(size)=976, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_is_err((void const *)res)=0, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={-18446744073709551615:0}, rtnllocknumber=0, size=976, tmp={-18446744073709551615:0}, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8469] tmp___0 = ldv_is_err((void const *)res) [L8470] CALL ldv_assume(tmp___0 == 0L) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8357] COND FALSE !(expression == 0) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, expression=1, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8470] RET ldv_assume(tmp___0 == 0L) VAL [\old(size)=976, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={-18446744073709551615:0}, rtnllocknumber=0, size=976, tmp={-18446744073709551615:0}, tmp___0=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8472] return (res); VAL [\old(size)=976, \result={-18446744073709551615:0}, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={-18446744073709551615:0}, rtnllocknumber=0, size=976, tmp={-18446744073709551615:0}, tmp___0=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5824] RET, EXPR ldv_xmalloc(976UL) VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, arg0={-73786976290543239169:0}, arg0={-73786976290543239169:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_0_resource_file={-18446744073709551590:0}, ldv_0_ret_default=1, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, ldv_xmalloc(976UL)={-18446744073709551615:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp={-18446744073709551590:0}, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5824] tmp___0 = ldv_xmalloc(976UL) [L5825] ldv_0_resource_inode = (struct inode *)tmp___0 VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, arg0={-73786976290543239169:0}, arg0={-73786976290543239169:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_0_resource_file={-18446744073709551590:0}, ldv_0_resource_inode={-18446744073709551615:0}, ldv_0_ret_default=1, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp={-18446744073709551590:0}, tmp___0={-18446744073709551615:0}, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5826] CALL, EXPR ldv_undef_int() VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8496] int tmp ; [L8499] tmp = __VERIFIER_nondet_int() [L8501] return (tmp); VAL [\result=101, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp=101, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5826] RET, EXPR ldv_undef_int() VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, arg0={-73786976290543239169:0}, arg0={-73786976290543239169:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_0_resource_file={-18446744073709551590:0}, ldv_0_resource_inode={-18446744073709551615:0}, ldv_0_ret_default=1, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, ldv_undef_int()=101, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp={-18446744073709551590:0}, tmp___0={-18446744073709551615:0}, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5826] tmp___1 = ldv_undef_int() [L5827] ldv_0_size_cnt_struct_device_ptr = (struct device *)((long )tmp___1) VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, arg0={-73786976290543239169:0}, arg0={-73786976290543239169:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_0_resource_file={-18446744073709551590:0}, ldv_0_resource_inode={-18446744073709551615:0}, ldv_0_ret_default=1, ldv_0_size_cnt_struct_device_ptr={0:101}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp={-18446744073709551590:0}, tmp___0={-18446744073709551615:0}, tmp___1=101, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5833] CALL, EXPR ldv_undef_int() VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8496] int tmp ; [L8499] tmp = __VERIFIER_nondet_int() [L8501] return (tmp); VAL [\result=102, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp=102, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5833] RET, EXPR ldv_undef_int() VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, arg0={-73786976290543239169:0}, arg0={-73786976290543239169:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_0_resource_file={-18446744073709551590:0}, ldv_0_resource_inode={-18446744073709551615:0}, ldv_0_ret_default=1, ldv_0_size_cnt_struct_device_ptr={0:101}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, ldv_undef_int()=102, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp={-18446744073709551590:0}, tmp___0={-18446744073709551615:0}, tmp___1=101, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5833] tmp___3 = ldv_undef_int() [L5835] COND TRUE tmp___3 != 0 [L5837] EXPR ldv_0_container_file_operations->open [L5837-L5839] CALL, EXPR ldv_file_operations_instance_probe_0_12(ldv_0_container_file_operations->open, ldv_0_resource_inode, ldv_0_resource_file) [L6030] int tmp ; [L6033] CALL, EXPR tower_open(arg1, arg2) [L4559] struct lego_usb_tower *dev ; [L4560] int subminor ; [L4561] int retval ; [L4562] struct usb_interface *interface ; [L4563] struct tower_reset_reply reset_reply ; [L4564] int result ; [L4565] unsigned int tmp ; [L4566] void *tmp___0 ; [L4567] int tmp___1 ; [L4568] unsigned int tmp___2 ; [L4569] int tmp___3 ; [L4570] unsigned int tmp___4 ; [L4573] dev = (struct lego_usb_tower *)0 [L4574] retval = 0 [L4575] CALL ldv_nonseekable_open_97(inode, file) [L6312] return (0); VAL [\result=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_func_arg1={-18446744073709551615:0}, ldv_func_arg1={-18446744073709551615:0}, ldv_func_arg2={-18446744073709551590:0}, ldv_func_arg2={-18446744073709551590:0}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4575] RET ldv_nonseekable_open_97(inode, file) [L4576] CALL, EXPR iminor((struct inode const *)inode) [L4362] EXPR inode->i_rdev [L4362] return ((unsigned int )inode->i_rdev & 1048575U); [L4576] RET, EXPR iminor((struct inode const *)inode) [L4576] tmp = iminor((struct inode const *)inode) [L4577] subminor = (int )tmp [L4578] CALL, EXPR usb_find_interface(& tower_driver, subminor) [L11239] CALL, EXPR ldv_malloc(sizeof(struct usb_interface)) VAL [\old(size)=1468, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8394] void *res ; [L8395] void *tmp ; [L8396] long tmp___0 ; [L8397] int tmp___1 ; VAL [\old(size)=1468, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, size=1468, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8400] CALL, EXPR ldv_undef_int() VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8496] int tmp ; [L8499] tmp = __VERIFIER_nondet_int() [L8501] return (tmp); VAL [\result=105, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp=105, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8400] RET, EXPR ldv_undef_int() VAL [\old(size)=1468, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, ldv_undef_int()=105, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, size=1468, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8400] tmp___1 = ldv_undef_int() [L8402] COND TRUE tmp___1 != 0 [L8404] tmp = malloc(size) [L8405] res = tmp VAL [\old(size)=1468, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={-55340232216833687553:0}, rtnllocknumber=0, size=1468, tmp={-55340232216833687553:0}, tmp___1=105, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8406] CALL ldv_assume((unsigned long )res != (unsigned long )((void *)0)) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8357] COND FALSE !(expression == 0) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, expression=1, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8406] RET ldv_assume((unsigned long )res != (unsigned long )((void *)0)) VAL [\old(size)=1468, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={-55340232216833687553:0}, rtnllocknumber=0, size=1468, tmp={-55340232216833687553:0}, tmp___1=105, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8407] CALL, EXPR ldv_is_err((void const *)res) VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, ptr={-55340232216833687553:0}, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L7220] return ((unsigned long )ptr > 4294967295UL); VAL [\result=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, ptr={-55340232216833687553:0}, ptr={-55340232216833687553:0}, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8407] RET, EXPR ldv_is_err((void const *)res) VAL [\old(size)=1468, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_is_err((void const *)res)=0, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={-55340232216833687553:0}, rtnllocknumber=0, size=1468, tmp={-55340232216833687553:0}, tmp___1=105, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8407] tmp___0 = ldv_is_err((void const *)res) [L8408] CALL ldv_assume(tmp___0 == 0L) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8357] COND FALSE !(expression == 0) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, expression=1, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8408] RET ldv_assume(tmp___0 == 0L) VAL [\old(size)=1468, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={-55340232216833687553:0}, rtnllocknumber=0, size=1468, tmp={-55340232216833687553:0}, tmp___0=0, tmp___1=105, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8410] return (res); VAL [\old(size)=1468, \result={-55340232216833687553:0}, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={-55340232216833687553:0}, rtnllocknumber=0, size=1468, tmp={-55340232216833687553:0}, tmp___0=0, tmp___1=105, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L11239] RET, EXPR ldv_malloc(sizeof(struct usb_interface)) VAL [\old(arg1)=103, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, arg0={90:0}, arg0={90:0}, arg1=103, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_malloc(sizeof(struct usb_interface))={-55340232216833687553:0}, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L11239] return ldv_malloc(sizeof(struct usb_interface)); [L4578] RET, EXPR usb_find_interface(& tower_driver, subminor) [L4578] interface = usb_find_interface(& tower_driver, subminor) [L4580] COND FALSE !((unsigned long )interface == (unsigned long )((struct usb_interface *)0)) [L4589] CALL ldv_mutex_lock_98(& open_disc_mutex) [L6319] CALL ldv_linux_kernel_locking_mutex_mutex_lock_open_disc_mutex(ldv_func_arg1) VAL [\old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, lock={87:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8947] CALL ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock(! LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex) VAL [\old(expr)=1, \old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L10619] COND FALSE !(! expr) VAL [\old(expr)=1, \old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, expr=1, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8947] RET ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock(! LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex) VAL [\old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, lock={87:0}, lock={87:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8948] LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex = 1 VAL [\old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, lock={87:0}, lock={87:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6319] RET ldv_linux_kernel_locking_mutex_mutex_lock_open_disc_mutex(ldv_func_arg1) VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_func_arg1={87:0}, ldv_func_arg1={87:0}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4589] RET ldv_mutex_lock_98(& open_disc_mutex) [L4590] CALL, EXPR usb_get_intfdata(interface) VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4370] void *tmp ; [L4373] CALL, EXPR dev_get_drvdata((struct device const *)(& intf->dev)) [L4347] EXPR dev->driver_data [L4347] return ((void *)dev->driver_data); [L4373] RET, EXPR dev_get_drvdata((struct device const *)(& intf->dev)) [L4373] tmp = dev_get_drvdata((struct device const *)(& intf->dev)) [L4375] return (tmp); VAL [\result={-18446744073709551590:-25}, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, intf={-55340232216833687553:0}, intf={-55340232216833687553:0}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp={-18446744073709551590:-25}, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4590] RET, EXPR usb_get_intfdata(interface) VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, dev={0:0}, file={-18446744073709551590:0}, file={-18446744073709551590:0}, inode={-18446744073709551615:0}, inode={-18446744073709551615:0}, interface={-55340232216833687553:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, reset_reply={18446744073709551625:0}, retval=0, rtnllocknumber=0, subminor=103, tmp=103, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, usb_get_intfdata(interface)={-18446744073709551590:-25}, write_buffer_size=480] [L4590] tmp___0 = usb_get_intfdata(interface) [L4591] dev = (struct lego_usb_tower *)tmp___0 VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, dev={-18446744073709551590:-25}, file={-18446744073709551590:0}, file={-18446744073709551590:0}, inode={-18446744073709551615:0}, inode={-18446744073709551615:0}, interface={-55340232216833687553:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, reset_reply={18446744073709551625:0}, retval=0, rtnllocknumber=0, subminor=103, tmp=103, tmp___0={-18446744073709551590:-25}, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4593] COND FALSE !((unsigned long )dev == (unsigned long )((struct lego_usb_tower *)0)) [L4602] CALL, EXPR ldv_mutex_lock_interruptible_100(& dev->lock) [L6335] int tmp ; VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_func_arg1={-18446744073709551590:-25}, ldv_func_arg1={-18446744073709551590:-25}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6338] CALL, EXPR ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_lock_of_lego_usb_tower(ldv_func_arg1) VAL [\old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, lock={-18446744073709551590:-25}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8783] int tmp ; VAL [\old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, lock={-18446744073709551590:-25}, lock={-18446744073709551590:-25}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8786] CALL ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock(! LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower) VAL [\old(expr)=1, \old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L10619] COND FALSE !(! expr) VAL [\old(expr)=1, \old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, expr=1, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8786] RET ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock(! LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower) VAL [\old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, lock={-18446744073709551590:-25}, lock={-18446744073709551590:-25}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8787] CALL, EXPR ldv_undef_int() VAL [\old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8496] int tmp ; [L8499] tmp = __VERIFIER_nondet_int() [L8501] return (tmp); VAL [\old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower)=0, \result=106, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp=106, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8787] RET, EXPR ldv_undef_int() VAL [\old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, ldv_undef_int()=106, lock={-18446744073709551590:-25}, lock={-18446744073709551590:-25}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8787] tmp = ldv_undef_int() [L8789] COND TRUE tmp != 0 [L8790] LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower = 1 [L8791] return (0); VAL [\old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower)=0, \result=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, lock={-18446744073709551590:-25}, lock={-18446744073709551590:-25}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp=106, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6338] RET, EXPR ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_lock_of_lego_usb_tower(ldv_func_arg1) VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_func_arg1={-18446744073709551590:-25}, ldv_func_arg1={-18446744073709551590:-25}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_lock_of_lego_usb_tower(ldv_func_arg1)=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6338] tmp = ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_lock_of_lego_usb_tower(ldv_func_arg1) [L6340] return (tmp); VAL [\result=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_func_arg1={-18446744073709551590:-25}, ldv_func_arg1={-18446744073709551590:-25}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4602] RET, EXPR ldv_mutex_lock_interruptible_100(& dev->lock) [L4602] tmp___1 = ldv_mutex_lock_interruptible_100(& dev->lock) [L4604] COND FALSE !(tmp___1 != 0) [L4612] EXPR dev->open_count VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, dev={-18446744073709551590:-25}, dev->open_count=0, file={-18446744073709551590:0}, file={-18446744073709551590:0}, inode={-18446744073709551615:0}, inode={-18446744073709551615:0}, interface={-55340232216833687553:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, reset_reply={18446744073709551625:0}, retval=0, rtnllocknumber=0, subminor=103, tmp=103, tmp___0={-18446744073709551590:-25}, tmp___1=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4612] COND FALSE !(dev->open_count != 0) [L4621] dev->open_count = 1 [L4622] CALL ldv_mutex_unlock_103(& open_disc_mutex) [L6365] CALL ldv_linux_kernel_locking_mutex_mutex_unlock_open_disc_mutex(ldv_func_arg1) VAL [\old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, lock={87:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L9022] CALL ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock((int )LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex) VAL [\old(expr)=1, \old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L10643] COND FALSE !(! expr) VAL [\old(expr)=1, \old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, expr=1, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L9022] RET ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock((int )LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex) VAL [\old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, lock={87:0}, lock={87:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L9023] LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex = 0 VAL [\old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, lock={87:0}, lock={87:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6365] RET ldv_linux_kernel_locking_mutex_mutex_unlock_open_disc_mutex(ldv_func_arg1) VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_func_arg1={87:0}, ldv_func_arg1={87:0}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4622] RET ldv_mutex_unlock_103(& open_disc_mutex) [L4623] EXPR dev->udev VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, dev={-18446744073709551590:-25}, dev->udev={122:18446744073709551494}, file={-18446744073709551590:0}, file={-18446744073709551590:0}, inode={-18446744073709551615:0}, inode={-18446744073709551615:0}, interface={-55340232216833687553:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, reset_reply={18446744073709551625:0}, retval=0, rtnllocknumber=0, subminor=103, tmp=103, tmp___0={-18446744073709551590:-25}, tmp___1=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4623] CALL, EXPR __create_pipe(dev->udev, 0U) VAL [\old(endpoint)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, dev={122:18446744073709551494}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4446] EXPR dev->devnum [L4446] return ((unsigned int )(dev->devnum << 8) | (endpoint << 15)); [L4623] RET, EXPR __create_pipe(dev->udev, 0U) VAL [__create_pipe(dev->udev, 0U)=18446744073709551681, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, dev={-18446744073709551590:-25}, dev->udev={122:18446744073709551494}, file={-18446744073709551590:0}, file={-18446744073709551590:0}, inode={-18446744073709551615:0}, inode={-18446744073709551615:0}, interface={-55340232216833687553:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, reset_reply={18446744073709551625:0}, retval=0, rtnllocknumber=0, subminor=103, tmp=103, tmp___0={-18446744073709551590:-25}, tmp___1=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4623] tmp___2 = __create_pipe(dev->udev, 0U) [L4624] EXPR dev->udev VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, dev={-18446744073709551590:-25}, dev->udev={122:18446744073709551494}, file={-18446744073709551590:0}, file={-18446744073709551590:0}, inode={-18446744073709551615:0}, inode={-18446744073709551615:0}, interface={-55340232216833687553:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, reset_reply={18446744073709551625:0}, retval=0, rtnllocknumber=0, subminor=103, tmp=103, tmp___0={-18446744073709551590:-25}, tmp___1=0, tmp___2=65, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4624-L4625] CALL, EXPR usb_control_msg(dev->udev, tmp___2 | 2147483776U, 4, 192, 0, 0, (void *)(& reset_reply), 4, 1000) VAL [\old(arg2)=4, \old(arg3)=192, \old(arg4)=0, \old(arg5)=0, \old(arg7)=4, \old(arg8)=1000, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, arg0={122:18446744073709551494}, arg6={18446744073709551625:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L11230] return __VERIFIER_nondet_int(); [L4624-L4625] RET, EXPR usb_control_msg(dev->udev, tmp___2 | 2147483776U, 4, 192, 0, 0, (void *)(& reset_reply), 4, 1000) VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, dev={-18446744073709551590:-25}, dev->udev={122:18446744073709551494}, file={-18446744073709551590:0}, file={-18446744073709551590:0}, inode={-18446744073709551615:0}, inode={-18446744073709551615:0}, interface={-55340232216833687553:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, reset_reply={18446744073709551625:0}, retval=0, rtnllocknumber=0, subminor=103, tmp=103, tmp___0={-18446744073709551590:-25}, tmp___1=0, tmp___2=65, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, usb_control_msg(dev->udev, tmp___2 | 2147483776U, 4, 192, 0, 0, (void *)(& reset_reply), 4, 1000)=0, write_buffer_size=480] [L4624-L4625] result = usb_control_msg(dev->udev, tmp___2 | 2147483776U, 4, 192, 0, 0, (void *)(& reset_reply), 4, 1000) [L4627] COND FALSE !(result < 0) [L4636] dev->read_buffer_length = 0UL [L4637] dev->read_packet_length = 0UL [L4638] EXPR dev->interrupt_in_endpoint VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, dev={-18446744073709551590:-25}, dev->interrupt_in_endpoint={18446744073709551637:107}, file={-18446744073709551590:0}, file={-18446744073709551590:0}, inode={-18446744073709551615:0}, inode={-18446744073709551615:0}, interface={-55340232216833687553:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, reset_reply={18446744073709551625:0}, result=0, retval=0, rtnllocknumber=0, subminor=103, tmp=103, tmp___0={-18446744073709551590:-25}, tmp___1=0, tmp___2=65, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4638] CALL, EXPR usb_endpoint_maxp((struct usb_endpoint_descriptor const *)dev->interrupt_in_endpoint) VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, epd={18446744073709551637:107}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4259] EXPR epd->wMaxPacketSize [L4259] return ((int )epd->wMaxPacketSize); [L4638] RET, EXPR usb_endpoint_maxp((struct usb_endpoint_descriptor const *)dev->interrupt_in_endpoint) VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, dev={-18446744073709551590:-25}, dev->interrupt_in_endpoint={18446744073709551637:107}, file={-18446744073709551590:0}, file={-18446744073709551590:0}, inode={-18446744073709551615:0}, inode={-18446744073709551615:0}, interface={-55340232216833687553:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, reset_reply={18446744073709551625:0}, result=0, retval=0, rtnllocknumber=0, subminor=103, tmp=103, tmp___0={-18446744073709551590:-25}, tmp___1=0, tmp___2=65, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, usb_endpoint_maxp((struct usb_endpoint_descriptor const *)dev->interrupt_in_endpoint)=119, write_buffer_size=480] [L4638] tmp___3 = usb_endpoint_maxp((struct usb_endpoint_descriptor const *)dev->interrupt_in_endpoint) [L4639] EXPR dev->udev [L4639] EXPR dev->interrupt_in_endpoint [L4639] EXPR (dev->interrupt_in_endpoint)->bEndpointAddress VAL [(dev->interrupt_in_endpoint)->bEndpointAddress=110, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, dev={-18446744073709551590:-25}, dev->interrupt_in_endpoint={18446744073709551637:107}, dev->udev={122:18446744073709551494}, file={-18446744073709551590:0}, file={-18446744073709551590:0}, inode={-18446744073709551615:0}, inode={-18446744073709551615:0}, interface={-55340232216833687553:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, reset_reply={18446744073709551625:0}, result=0, retval=0, rtnllocknumber=0, subminor=103, tmp=103, tmp___0={-18446744073709551590:-25}, tmp___1=0, tmp___2=65, tmp___3=119, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4639] CALL, EXPR __create_pipe(dev->udev, (unsigned int )(dev->interrupt_in_endpoint)->bEndpointAddress) VAL [\old(endpoint)=110, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, dev={122:18446744073709551494}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4446] EXPR dev->devnum [L4446] return ((unsigned int )(dev->devnum << 8) | (endpoint << 15)); [L4639] RET, EXPR __create_pipe(dev->udev, (unsigned int )(dev->interrupt_in_endpoint)->bEndpointAddress) VAL [(dev->interrupt_in_endpoint)->bEndpointAddress=110, __create_pipe(dev->udev, (unsigned int )(dev->interrupt_in_endpoint)->bEndpointAddress)=18446744073709551640, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, dev={-18446744073709551590:-25}, dev->interrupt_in_endpoint={18446744073709551637:107}, dev->udev={122:18446744073709551494}, file={-18446744073709551590:0}, file={-18446744073709551590:0}, inode={-18446744073709551615:0}, inode={-18446744073709551615:0}, interface={-55340232216833687553:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, reset_reply={18446744073709551625:0}, result=0, retval=0, rtnllocknumber=0, subminor=103, tmp=103, tmp___0={-18446744073709551590:-25}, tmp___1=0, tmp___2=65, tmp___3=119, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4639] tmp___4 = __create_pipe(dev->udev, (unsigned int )(dev->interrupt_in_endpoint)->bEndpointAddress) [L4640] EXPR dev->interrupt_in_urb [L4640] EXPR dev->udev [L4640] EXPR dev->interrupt_in_buffer [L4641] EXPR dev->interrupt_in_interval VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, dev={-18446744073709551590:-25}, dev->interrupt_in_buffer={18446744073709551641:18446744073709551682}, dev->interrupt_in_interval=18446744073709551656, dev->interrupt_in_urb={-18446744073709551590:344}, dev->udev={122:18446744073709551494}, file={-18446744073709551590:0}, file={-18446744073709551590:0}, inode={-18446744073709551615:0}, inode={-18446744073709551615:0}, interface={-55340232216833687553:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, reset_reply={18446744073709551625:0}, result=0, retval=0, rtnllocknumber=0, subminor=103, tmp=103, tmp___0={-18446744073709551590:-25}, tmp___1=0, tmp___2=65, tmp___3=119, tmp___4=24, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4640-L4641] CALL usb_fill_int_urb(dev->interrupt_in_urb, dev->udev, tmp___4 | 1073741952U, (void *)dev->interrupt_in_buffer, tmp___3, & tower_interrupt_in_callback, (void *)dev, dev->interrupt_in_interval) VAL [\old(buffer_length)=119, \old(interval)=18446744073709551656, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, complete_fn={-1:9}, context={-18446744073709551590:-25}, dev={122:18446744073709551494}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, transfer_buffer={18446744073709551641:18446744073709551682}, urb={-18446744073709551590:344}, write_buffer_size=480] [L4408] int _min1 ; [L4409] int _max1 ; [L4410] int _max2 ; [L4411] int _min2 ; [L4413] urb->dev = dev [L4414] urb->pipe = pipe [L4415] urb->transfer_buffer = transfer_buffer [L4416] urb->transfer_buffer_length = (u32 )buffer_length [L4417] urb->complete = complete_fn [L4418] urb->context = context [L4419] EXPR dev->speed [L4419] (unsigned int )dev->speed == 3U || (unsigned int )dev->speed == 5U [L4419] EXPR dev->speed [L4419] (unsigned int )dev->speed == 3U || (unsigned int )dev->speed == 5U VAL [(unsigned int )dev->speed == 3U || (unsigned int )dev->speed == 5U=0, \old(buffer_length)=119, \old(interval)=18446744073709551656, \old(pipe)=73, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, buffer_length=119, complete_fn={-1:9}, complete_fn={-1:9}, context={-18446744073709551590:-25}, context={-18446744073709551590:-25}, dev={122:18446744073709551494}, dev={122:18446744073709551494}, dev->speed=114, dev->speed=114, interrupt_in_interval=2, interrupt_out_interval=8, interval=18446744073709551656, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, pipe=73, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, transfer_buffer={18446744073709551641:18446744073709551682}, transfer_buffer={18446744073709551641:18446744073709551682}, urb={-18446744073709551590:344}, urb={-18446744073709551590:344}, write_buffer_size=480] [L4419] COND FALSE !((unsigned int )dev->speed == 3U || (unsigned int )dev->speed == 5U) [L4427] urb->interval = interval VAL [\old(buffer_length)=119, \old(interval)=18446744073709551656, \old(pipe)=73, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, buffer_length=119, complete_fn={-1:9}, complete_fn={-1:9}, context={-18446744073709551590:-25}, context={-18446744073709551590:-25}, dev={122:18446744073709551494}, dev={122:18446744073709551494}, interrupt_in_interval=2, interrupt_out_interval=8, interval=18446744073709551656, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, pipe=73, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, transfer_buffer={18446744073709551641:18446744073709551682}, transfer_buffer={18446744073709551641:18446744073709551682}, urb={-18446744073709551590:344}, urb={-18446744073709551590:344}, write_buffer_size=480] [L4429] urb->start_frame = -1 VAL [\old(buffer_length)=119, \old(interval)=18446744073709551656, \old(pipe)=73, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, buffer_length=119, complete_fn={-1:9}, complete_fn={-1:9}, context={-18446744073709551590:-25}, context={-18446744073709551590:-25}, dev={122:18446744073709551494}, dev={122:18446744073709551494}, interrupt_in_interval=2, interrupt_out_interval=8, interval=18446744073709551656, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, pipe=73, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, transfer_buffer={18446744073709551641:18446744073709551682}, transfer_buffer={18446744073709551641:18446744073709551682}, urb={-18446744073709551590:344}, urb={-18446744073709551590:344}, write_buffer_size=480] [L4640-L4641] RET usb_fill_int_urb(dev->interrupt_in_urb, dev->udev, tmp___4 | 1073741952U, (void *)dev->interrupt_in_buffer, tmp___3, & tower_interrupt_in_callback, (void *)dev, dev->interrupt_in_interval) VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, dev={-18446744073709551590:-25}, dev->interrupt_in_buffer={18446744073709551641:18446744073709551682}, dev->interrupt_in_interval=18446744073709551656, dev->interrupt_in_urb={-18446744073709551590:344}, dev->udev={122:18446744073709551494}, file={-18446744073709551590:0}, file={-18446744073709551590:0}, inode={-18446744073709551615:0}, inode={-18446744073709551615:0}, interface={-55340232216833687553:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, reset_reply={18446744073709551625:0}, result=0, retval=0, rtnllocknumber=0, subminor=103, tmp=103, tmp___0={-18446744073709551590:-25}, tmp___1=0, tmp___2=65, tmp___3=119, tmp___4=24, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4642] dev->interrupt_in_running = 1 [L4643] dev->interrupt_in_done = 0 [L4645] EXPR dev->interrupt_in_urb [L4645] CALL, EXPR ldv_usb_submit_urb_104(dev->interrupt_in_urb, 208U) [L6374] CALL ldv_check_alloc_flags(flags) VAL [\old(flags)=208, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4065] CALL ldv_linux_alloc_irq_check_alloc_flags(flags) VAL [\old(flags)=208, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6740] bool tmp ; [L6741] int tmp___0 ; VAL [\old(flags)=208, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, flags=208, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6744] CALL, EXPR ldv_in_interrupt_context() VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L7739] return (__ldv_in_interrupt_context); VAL [\result=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6744] RET, EXPR ldv_in_interrupt_context() VAL [\old(flags)=208, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, flags=208, interrupt_in_interval=2, interrupt_out_interval=8, ldv_in_interrupt_context()=0, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6744] tmp = ldv_in_interrupt_context() [L6746] COND FALSE !(\read(tmp)) [L6749] tmp___0 = 1 VAL [\old(flags)=208, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, flags=208, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp=0, tmp___0=1, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6752] CALL ldv_assert_linux_alloc_irq__wrong_flags(tmp___0 || flags == 32U) [L10815] COND FALSE !(! expr) VAL [\old(expr)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, expr=1, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6752] RET ldv_assert_linux_alloc_irq__wrong_flags(tmp___0 || flags == 32U) [L4065] RET ldv_linux_alloc_irq_check_alloc_flags(flags) VAL [\old(flags)=208, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, flags=208, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4066] CALL ldv_linux_alloc_usb_lock_check_alloc_flags(flags) VAL [\old(flags)=208, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6807] COND FALSE !(ldv_linux_alloc_usb_lock_lock == 2) VAL [\old(flags)=208, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, flags=208, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4066] RET ldv_linux_alloc_usb_lock_check_alloc_flags(flags) VAL [\old(flags)=208, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, flags=208, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6374] RET ldv_check_alloc_flags(flags) VAL [\old(flags)=208, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, flags=208, interrupt_in_interval=2, interrupt_out_interval=8, ldv_func_arg1={-92:93}, ldv_func_arg1={-92:93}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6376] return __VERIFIER_nondet_int(); [L4645] RET, EXPR ldv_usb_submit_urb_104(dev->interrupt_in_urb, 208U) [L4645] retval = ldv_usb_submit_urb_104(dev->interrupt_in_urb, 208U) [L4647] COND FALSE !(retval != 0) [L4657] file->private_data = (void *)dev VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, dev={-18446744073709551590:-25}, file={-18446744073709551590:0}, file={-18446744073709551590:0}, inode={-18446744073709551615:0}, inode={-18446744073709551615:0}, interface={-55340232216833687553:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, reset_reply={18446744073709551625:0}, result=0, retval=0, rtnllocknumber=0, subminor=103, tmp=103, tmp___0={-18446744073709551590:-25}, tmp___1=0, tmp___2=65, tmp___3=119, tmp___4=24, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4660] CALL ldv_mutex_unlock_105(& dev->lock) [L6383] CALL ldv_linux_kernel_locking_mutex_mutex_unlock_lock_of_lego_usb_tower(ldv_func_arg1) VAL [\old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, lock={-18446744073709551590:-25}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8850] CALL ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock((int )LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower) VAL [\old(expr)=1, \old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L10643] COND FALSE !(! expr) VAL [\old(expr)=1, \old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, expr=1, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8850] RET ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock((int )LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower) VAL [\old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, lock={-18446744073709551590:-25}, lock={-18446744073709551590:-25}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8851] LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower = 0 VAL [\old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, lock={-18446744073709551590:-25}, lock={-18446744073709551590:-25}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6383] RET ldv_linux_kernel_locking_mutex_mutex_unlock_lock_of_lego_usb_tower(ldv_func_arg1) VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_func_arg1={-18446744073709551590:-25}, ldv_func_arg1={-18446744073709551590:-25}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4660] RET ldv_mutex_unlock_105(& dev->lock) [L4663] return (retval); [L4663] return (retval); VAL [\result=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, dev={-18446744073709551590:-25}, file={-18446744073709551590:0}, file={-18446744073709551590:0}, inode={-18446744073709551615:0}, inode={-18446744073709551615:0}, interface={-55340232216833687553:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, result=0, retval=0, rtnllocknumber=0, subminor=103, tmp=103, tmp___0={-18446744073709551590:-25}, tmp___1=0, tmp___2=65, tmp___3=119, tmp___4=24, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6033] RET, EXPR tower_open(arg1, arg2) [L6033] tmp = tower_open(arg1, arg2) [L6035] return (tmp); VAL [\result=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, arg0={18446744073709551670:18446744073709551651}, arg0={18446744073709551670:18446744073709551651}, arg1={-18446744073709551615:0}, arg1={-18446744073709551615:0}, arg2={-18446744073709551590:0}, arg2={-18446744073709551590:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5837-L5839] RET, EXPR ldv_file_operations_instance_probe_0_12(ldv_0_container_file_operations->open, ldv_0_resource_inode, ldv_0_resource_file) [L5837-L5839] ldv_0_ret_default = ldv_file_operations_instance_probe_0_12(ldv_0_container_file_operations->open, ldv_0_resource_inode, ldv_0_resource_file) [L5840] CALL, EXPR ldv_filter_err_code(ldv_0_ret_default) [L7711] int tmp ; VAL [\old(ret_val)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, ret_val=0, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L7714] CALL, EXPR ldv_filter_positive_int(ret_val) VAL [\old(val)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L7684] CALL ldv_assume(val <= 0) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8357] COND FALSE !(expression == 0) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, expression=1, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L7684] RET ldv_assume(val <= 0) VAL [\old(val)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, val=0, write_buffer_size=480] [L7686] return (val); VAL [\old(val)=0, \result=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, val=0, write_buffer_size=480] [L7714] RET, EXPR ldv_filter_positive_int(ret_val) VAL [\old(ret_val)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_filter_positive_int(ret_val)=0, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, ret_val=0, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L7714] tmp = ldv_filter_positive_int(ret_val) [L7716] return (tmp); VAL [\old(ret_val)=0, \result=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, ret_val=0, rtnllocknumber=0, tmp=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5840] RET, EXPR ldv_filter_err_code(ldv_0_ret_default) [L5840] ldv_0_ret_default = ldv_filter_err_code(ldv_0_ret_default) [L5841] CALL, EXPR ldv_undef_int() VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8496] int tmp ; [L8499] tmp = __VERIFIER_nondet_int() [L8501] return (tmp); VAL [\result=118, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp=118, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5841] RET, EXPR ldv_undef_int() VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, arg0={-73786976290543239169:0}, arg0={-73786976290543239169:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_0_container_file_operations={18446744073709551643:1}, ldv_0_resource_file={-18446744073709551590:0}, ldv_0_resource_inode={-18446744073709551615:0}, ldv_0_ret_default=0, ldv_0_size_cnt_struct_device_ptr={0:101}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, ldv_undef_int()=118, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp={-18446744073709551590:0}, tmp___0={-18446744073709551615:0}, tmp___1=101, tmp___3=102, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5841] tmp___2 = ldv_undef_int() [L5843] COND TRUE tmp___2 != 0 VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, arg0={-73786976290543239169:0}, arg0={-73786976290543239169:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_0_container_file_operations={18446744073709551643:1}, ldv_0_resource_file={-18446744073709551590:0}, ldv_0_resource_inode={-18446744073709551615:0}, ldv_0_ret_default=0, ldv_0_size_cnt_struct_device_ptr={0:101}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp={-18446744073709551590:0}, tmp___0={-18446744073709551615:0}, tmp___1=101, tmp___2=118, tmp___3=102, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5845] CALL ldv_assume(ldv_0_ret_default == 0) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8357] COND FALSE !(expression == 0) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, expression=1, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5845] RET ldv_assume(ldv_0_ret_default == 0) VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, arg0={-73786976290543239169:0}, arg0={-73786976290543239169:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_0_container_file_operations={18446744073709551643:1}, ldv_0_resource_file={-18446744073709551590:0}, ldv_0_resource_inode={-18446744073709551615:0}, ldv_0_ret_default=0, ldv_0_size_cnt_struct_device_ptr={0:101}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp={-18446744073709551590:0}, tmp___0={-18446744073709551615:0}, tmp___1=101, tmp___2=118, tmp___3=102, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5864] CALL, EXPR ldv_undef_int() VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8496] int tmp ; [L8499] tmp = __VERIFIER_nondet_int() [L8501] return (tmp); VAL [\result=2, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp=2, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5864] RET, EXPR ldv_undef_int() VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, arg0={-73786976290543239169:0}, arg0={-73786976290543239169:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_0_container_file_operations={18446744073709551643:1}, ldv_0_resource_file={-18446744073709551590:0}, ldv_0_resource_inode={-18446744073709551615:0}, ldv_0_ret_default=0, ldv_0_size_cnt_struct_device_ptr={0:101}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, ldv_undef_int()=2, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp={-18446744073709551590:0}, tmp___0={-18446744073709551615:0}, tmp___1=101, tmp___2=118, tmp___3=102, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5864] tmp___4 = ldv_undef_int() [L5867] COND FALSE !(tmp___4 == 1) VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, arg0={-73786976290543239169:0}, arg0={-73786976290543239169:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_0_container_file_operations={18446744073709551643:1}, ldv_0_resource_file={-18446744073709551590:0}, ldv_0_resource_inode={-18446744073709551615:0}, ldv_0_ret_default=0, ldv_0_size_cnt_struct_device_ptr={0:101}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp={-18446744073709551590:0}, tmp___0={-18446744073709551615:0}, tmp___1=101, tmp___2=118, tmp___3=102, tmp___4=2, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5871] COND TRUE tmp___4 == 2 VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, arg0={-73786976290543239169:0}, arg0={-73786976290543239169:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_0_container_file_operations={18446744073709551643:1}, ldv_0_resource_file={-18446744073709551590:0}, ldv_0_resource_inode={-18446744073709551615:0}, ldv_0_ret_default=0, ldv_0_size_cnt_struct_device_ptr={0:101}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp={-18446744073709551590:0}, tmp___0={-18446744073709551615:0}, tmp___1=101, tmp___2=118, tmp___3=102, tmp___4=2, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5897] EXPR ldv_0_container_file_operations->release [L5897-L5898] CALL ldv_file_operations_instance_release_0_2(ldv_0_container_file_operations->release, ldv_0_resource_inode, ldv_0_resource_file) [L6043] CALL tower_release(arg1, arg2) [L4668] struct lego_usb_tower *dev ; [L4669] int retval ; [L4670] int tmp ; [L4671] struct _ddebug descriptor ; [L4672] long tmp___0 ; [L4673] long __ret ; [L4674] wait_queue_t __wait ; [L4675] long __ret___0 ; [L4676] long __int ; [L4677] long tmp___1 ; [L4678] bool __cond ; [L4679] bool __cond___0 ; [L4681] retval = 0 [L4682] EXPR file->private_data [L4682] dev = (struct lego_usb_tower *)file->private_data [L4683] COND FALSE !((unsigned long )dev == (unsigned long )((struct lego_usb_tower *)0)) [L4689] CALL ldv_mutex_lock_106(& open_disc_mutex) [L6392] CALL ldv_linux_kernel_locking_mutex_mutex_lock_open_disc_mutex(ldv_func_arg1) VAL [\old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, lock={87:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8947] CALL ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock(! LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex) VAL [\old(expr)=1, \old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L10619] COND FALSE !(! expr) VAL [\old(expr)=1, \old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, expr=1, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8947] RET ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock(! LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex) VAL [\old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, lock={87:0}, lock={87:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8948] LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex = 1 VAL [\old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, lock={87:0}, lock={87:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6392] RET ldv_linux_kernel_locking_mutex_mutex_lock_open_disc_mutex(ldv_func_arg1) VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_func_arg1={87:0}, ldv_func_arg1={87:0}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4689] RET ldv_mutex_lock_106(& open_disc_mutex) [L4690] CALL, EXPR ldv_mutex_lock_interruptible_107(& dev->lock) [L6399] int tmp ; VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_func_arg1={-18446744073709551590:-25}, ldv_func_arg1={-18446744073709551590:-25}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6402] CALL, EXPR ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_lock_of_lego_usb_tower(ldv_func_arg1) VAL [\old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, lock={-18446744073709551590:-25}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8783] int tmp ; VAL [\old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, lock={-18446744073709551590:-25}, lock={-18446744073709551590:-25}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8786] CALL ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock(! LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower) VAL [\old(expr)=1, \old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L10619] COND FALSE !(! expr) VAL [\old(expr)=1, \old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, expr=1, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8786] RET ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock(! LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower) VAL [\old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, lock={-18446744073709551590:-25}, lock={-18446744073709551590:-25}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8787] CALL, EXPR ldv_undef_int() VAL [\old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8496] int tmp ; [L8499] tmp = __VERIFIER_nondet_int() [L8501] return (tmp); VAL [\old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower)=0, \result=121, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp=121, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8787] RET, EXPR ldv_undef_int() VAL [\old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, ldv_undef_int()=121, lock={-18446744073709551590:-25}, lock={-18446744073709551590:-25}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8787] tmp = ldv_undef_int() [L8789] COND TRUE tmp != 0 [L8790] LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower = 1 [L8791] return (0); VAL [\old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower)=0, \result=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, lock={-18446744073709551590:-25}, lock={-18446744073709551590:-25}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp=121, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6402] RET, EXPR ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_lock_of_lego_usb_tower(ldv_func_arg1) VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_func_arg1={-18446744073709551590:-25}, ldv_func_arg1={-18446744073709551590:-25}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_lock_of_lego_usb_tower(ldv_func_arg1)=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6402] tmp = ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_lock_of_lego_usb_tower(ldv_func_arg1) [L6404] return (tmp); VAL [\result=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_func_arg1={-18446744073709551590:-25}, ldv_func_arg1={-18446744073709551590:-25}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4690] RET, EXPR ldv_mutex_lock_interruptible_107(& dev->lock) [L4690] tmp = ldv_mutex_lock_interruptible_107(& dev->lock) [L4692] COND FALSE !(tmp != 0) [L4697] EXPR dev->open_count VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, __wait={18446744073709551619:0}, descriptor={18446744073709551626:0}, dev={-18446744073709551590:-25}, dev->open_count=1, file={-18446744073709551590:0}, file={-18446744073709551590:0}, inode={-18446744073709551615:0}, inode={-18446744073709551615:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, retval=0, rtnllocknumber=0, tmp=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4697] COND FALSE !(dev->open_count != 1) [L4718] EXPR dev->udev VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, __wait={18446744073709551619:0}, descriptor={18446744073709551626:0}, dev={-18446744073709551590:-25}, dev->udev={122:18446744073709551494}, file={-18446744073709551590:0}, file={-18446744073709551590:0}, inode={-18446744073709551615:0}, inode={-18446744073709551615:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, retval=0, rtnllocknumber=0, tmp=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4718] COND TRUE (unsigned long )dev->udev == (unsigned long )((struct usb_device *)0) [L4720] CALL ldv_mutex_unlock_108(& dev->lock) [L6411] CALL ldv_linux_kernel_locking_mutex_mutex_unlock_lock_of_lego_usb_tower(ldv_func_arg1) VAL [\old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, lock={-18446744073709551590:-25}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8850] CALL ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock((int )LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower) VAL [\old(expr)=1, \old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L10643] COND FALSE !(! expr) VAL [\old(expr)=1, \old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, expr=1, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8850] RET ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock((int )LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower) VAL [\old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, lock={-18446744073709551590:-25}, lock={-18446744073709551590:-25}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8851] LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower = 0 VAL [\old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, lock={-18446744073709551590:-25}, lock={-18446744073709551590:-25}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6411] RET ldv_linux_kernel_locking_mutex_mutex_unlock_lock_of_lego_usb_tower(ldv_func_arg1) VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_func_arg1={-18446744073709551590:-25}, ldv_func_arg1={-18446744073709551590:-25}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4720] RET ldv_mutex_unlock_108(& dev->lock) [L4721] CALL tower_delete(dev) VAL [\old(ldv_linux_usb_urb_urb_state)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4546] CALL tower_abort_transfers(dev) VAL [\old(ldv_linux_usb_urb_urb_state)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, dev={-18446744073709551590:-25}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4793] COND FALSE !((unsigned long )dev == (unsigned long )((struct lego_usb_tower *)0)) [L4797] EXPR dev->interrupt_in_running VAL [\old(ldv_linux_usb_urb_urb_state)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, dev={-18446744073709551590:-25}, dev={-18446744073709551590:-25}, dev->interrupt_in_running=0, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4797] COND FALSE !(dev->interrupt_in_running != 0) [L4808] EXPR dev->interrupt_out_busy [L4808] dev->interrupt_out_busy != 0 && (unsigned long )dev->udev != (unsigned long )((struct usb_device *)0) [L4808] EXPR dev->udev [L4808] dev->interrupt_out_busy != 0 && (unsigned long )dev->udev != (unsigned long )((struct usb_device *)0) VAL [\old(ldv_linux_usb_urb_urb_state)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, dev={-18446744073709551590:-25}, dev={-18446744073709551590:-25}, dev->interrupt_out_busy=119, dev->interrupt_out_busy != 0 && (unsigned long )dev->udev != (unsigned long )((struct usb_device *)0)=0, dev->udev={122:18446744073709551494}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4808] COND FALSE !(dev->interrupt_out_busy != 0 && (unsigned long )dev->udev != (unsigned long )((struct usb_device *)0)) [L4546] RET tower_abort_transfers(dev) VAL [\old(ldv_linux_usb_urb_urb_state)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, dev={-18446744073709551590:-25}, dev={-18446744073709551590:-25}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4547] EXPR dev->interrupt_in_urb [L4547] CALL ldv_usb_free_urb_95(dev->interrupt_in_urb) [L6295] CALL ldv_linux_usb_urb_usb_free_urb(urb) VAL [\old(ldv_linux_usb_urb_urb_state)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8333] COND TRUE (unsigned long )urb != (unsigned long )((struct urb *)0) [L8335] CALL ldv_assert_linux_usb_urb__less_initial_decrement(ldv_linux_usb_urb_urb_state > 0) [L11087] COND TRUE ! expr VAL [\old(expr)=0, \old(ldv_linux_usb_urb_urb_state)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, expr=0, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L11089] reach_error() VAL [\old(expr)=0, \old(ldv_linux_usb_urb_urb_state)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551684:18446744073709551642}, expr=0, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] - UnprovableResult [Line: 10742]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 11027]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10755]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10460]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10497]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10559]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10621]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10964]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 11101]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 11064]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10903]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10817]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10126]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10162]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 11138]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10435]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10645]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10211]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 11040]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10286]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10077]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10804]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10323]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10989]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10348]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10866]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10249]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 11002]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10510]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 77 procedures, 989 locations, 30 error locations. Started 1 CEGAR loops. OverallTime: 647.2s, OverallIterations: 67, TraceHistogramMax: 26, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.3s, AutomataDifference: 440.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 125899 SdHoareTripleChecker+Valid, 367.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 117907 mSDsluCounter, 589718 SdHoareTripleChecker+Invalid, 334.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 6991 IncrementalHoareTripleChecker+Unchecked, 498790 mSDsCounter, 79593 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 203423 IncrementalHoareTripleChecker+Invalid, 290007 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 79593 mSolverCounterUnsat, 90928 mSDtfsCounter, 203423 mSolverCounterSat, 2.7s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16084 GetRequests, 14537 SyntacticMatches, 64 SemanticMatches, 1483 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14197 ImplicationChecksByTransitivity, 65.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8283occurred in iteration=65, InterpolantAutomatonStates: 999, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 32.0s AutomataMinimizationTime, 66 MinimizatonAttempts, 37014 StatesRemovedByMinimization, 43 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 2.1s SsaConstructionTime, 70.1s SatisfiabilityAnalysisTime, 90.6s InterpolantComputationTime, 24845 NumberOfCodeBlocks, 24388 NumberOfCodeBlocksAsserted, 87 NumberOfCheckSat, 26280 ConstructedInterpolants, 345 QuantifiedInterpolants, 48448 SizeOfPredicates, 251 NumberOfNonLiveVariables, 43166 ConjunctsInSsa, 733 ConjunctsInUnsatCore, 89 InterpolantComputations, 62 PerfectInterpolantSequences, 58494/59978 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-20 06:31:37,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5574142529d95f295134c1dccd4c5dbe0383ae5c309e7dc50fd933e5702659ed --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:31:39,878 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:31:39,880 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:31:39,916 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:31:39,917 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:31:39,918 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:31:39,921 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:31:39,923 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:31:39,926 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:31:39,927 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:31:39,929 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:31:39,930 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:31:39,931 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:31:39,933 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:31:39,935 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:31:39,937 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:31:39,938 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:31:39,939 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:31:39,942 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:31:39,944 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:31:39,947 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:31:39,949 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:31:39,950 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:31:39,952 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:31:39,956 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:31:39,957 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:31:39,958 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:31:39,959 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:31:39,960 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:31:39,961 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:31:39,962 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:31:39,963 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:31:39,977 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:31:39,979 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:31:39,982 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:31:39,983 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:31:39,984 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:31:39,985 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:31:39,986 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:31:39,987 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:31:39,989 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:31:39,991 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-11-20 06:31:40,044 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:31:40,045 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:31:40,045 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:31:40,046 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:31:40,047 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 06:31:40,047 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 06:31:40,049 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:31:40,049 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:31:40,050 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:31:40,050 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:31:40,051 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:31:40,052 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 06:31:40,052 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 06:31:40,052 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 06:31:40,052 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-20 06:31:40,053 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-20 06:31:40,053 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-20 06:31:40,053 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:31:40,054 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:31:40,054 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 06:31:40,054 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:31:40,055 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:31:40,055 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 06:31:40,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:31:40,055 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:31:40,056 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 06:31:40,056 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 06:31:40,057 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-20 06:31:40,057 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-20 06:31:40,057 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 06:31:40,057 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 06:31:40,058 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 06:31:40,058 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:31:40,058 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 06:31:40,059 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5574142529d95f295134c1dccd4c5dbe0383ae5c309e7dc50fd933e5702659ed [2021-11-20 06:31:40,517 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:31:40,548 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:31:40,551 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:31:40,554 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:31:40,555 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:31:40,558 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i [2021-11-20 06:31:40,644 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/data/ecda6b208/2858810c65284450a0e6e7ce1aee4a64/FLAG5755e64f9 [2021-11-20 06:31:41,803 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:31:41,804 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i [2021-11-20 06:31:41,875 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/data/ecda6b208/2858810c65284450a0e6e7ce1aee4a64/FLAG5755e64f9 [2021-11-20 06:31:42,159 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/data/ecda6b208/2858810c65284450a0e6e7ce1aee4a64 [2021-11-20 06:31:42,162 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:31:42,163 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:31:42,165 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:31:42,166 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:31:42,170 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:31:42,171 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:31:42" (1/1) ... [2021-11-20 06:31:42,172 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5070c0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:31:42, skipping insertion in model container [2021-11-20 06:31:42,173 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:31:42" (1/1) ... [2021-11-20 06:31:42,181 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:31:42,352 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:31:45,764 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273031,273044] [2021-11-20 06:31:45,767 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273176,273189] [2021-11-20 06:31:45,768 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273322,273335] [2021-11-20 06:31:45,769 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273487,273500] [2021-11-20 06:31:45,770 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273645,273658] [2021-11-20 06:31:45,770 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273803,273816] [2021-11-20 06:31:45,771 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273961,273974] [2021-11-20 06:31:45,771 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274121,274134] [2021-11-20 06:31:45,772 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274280,274293] [2021-11-20 06:31:45,773 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274419,274432] [2021-11-20 06:31:45,773 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274561,274574] [2021-11-20 06:31:45,774 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274710,274723] [2021-11-20 06:31:45,774 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274849,274862] [2021-11-20 06:31:45,775 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275004,275017] [2021-11-20 06:31:45,776 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275164,275177] [2021-11-20 06:31:45,776 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275315,275328] [2021-11-20 06:31:45,777 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275466,275479] [2021-11-20 06:31:45,777 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275618,275631] [2021-11-20 06:31:45,778 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275767,275780] [2021-11-20 06:31:45,779 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275915,275928] [2021-11-20 06:31:45,779 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276072,276085] [2021-11-20 06:31:45,780 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276221,276234] [2021-11-20 06:31:45,780 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276377,276390] [2021-11-20 06:31:45,781 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276530,276543] [2021-11-20 06:31:45,794 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276676,276689] [2021-11-20 06:31:45,795 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276819,276832] [2021-11-20 06:31:45,802 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276971,276984] [2021-11-20 06:31:45,803 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277117,277130] [2021-11-20 06:31:45,804 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277262,277275] [2021-11-20 06:31:45,804 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277416,277429] [2021-11-20 06:31:45,805 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277567,277580] [2021-11-20 06:31:45,805 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277722,277735] [2021-11-20 06:31:45,806 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277874,277887] [2021-11-20 06:31:45,812 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278029,278042] [2021-11-20 06:31:45,813 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278193,278206] [2021-11-20 06:31:45,814 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278349,278362] [2021-11-20 06:31:45,815 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278513,278526] [2021-11-20 06:31:45,816 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278655,278668] [2021-11-20 06:31:45,817 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278813,278826] [2021-11-20 06:31:45,817 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278980,278993] [2021-11-20 06:31:45,818 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279139,279152] [2021-11-20 06:31:45,819 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279298,279311] [2021-11-20 06:31:45,823 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279447,279460] [2021-11-20 06:31:45,823 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279594,279607] [2021-11-20 06:31:45,824 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279733,279746] [2021-11-20 06:31:45,825 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279896,279909] [2021-11-20 06:31:45,827 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280062,280075] [2021-11-20 06:31:45,827 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280226,280239] [2021-11-20 06:31:45,829 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280391,280404] [2021-11-20 06:31:45,830 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280556,280569] [2021-11-20 06:31:45,831 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280722,280735] [2021-11-20 06:31:45,831 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280887,280900] [2021-11-20 06:31:45,832 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281054,281067] [2021-11-20 06:31:45,832 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281214,281227] [2021-11-20 06:31:45,833 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281376,281389] [2021-11-20 06:31:45,834 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281535,281548] [2021-11-20 06:31:45,834 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281681,281694] [2021-11-20 06:31:45,835 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281824,281837] [2021-11-20 06:31:45,835 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281968,281981] [2021-11-20 06:31:45,836 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282111,282124] [2021-11-20 06:31:45,836 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282255,282268] [2021-11-20 06:31:45,837 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282396,282409] [2021-11-20 06:31:45,838 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282534,282547] [2021-11-20 06:31:45,839 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282692,282705] [2021-11-20 06:31:45,839 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282851,282864] [2021-11-20 06:31:45,840 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283007,283020] [2021-11-20 06:31:45,841 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283156,283169] [2021-11-20 06:31:45,841 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283308,283321] [2021-11-20 06:31:45,842 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283459,283472] [2021-11-20 06:31:45,842 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283608,283621] [2021-11-20 06:31:45,843 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283760,283773] [2021-11-20 06:31:45,843 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283908,283921] [2021-11-20 06:31:45,844 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284061,284074] [2021-11-20 06:31:45,844 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284212,284225] [2021-11-20 06:31:45,845 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284362,284375] [2021-11-20 06:31:45,846 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284509,284522] [2021-11-20 06:31:45,847 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284660,284673] [2021-11-20 06:31:45,848 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284811,284824] [2021-11-20 06:31:45,848 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284959,284972] [2021-11-20 06:31:45,849 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285125,285138] [2021-11-20 06:31:45,850 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285294,285307] [2021-11-20 06:31:45,850 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285461,285474] [2021-11-20 06:31:45,851 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285629,285642] [2021-11-20 06:31:45,851 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285779,285792] [2021-11-20 06:31:45,852 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285926,285939] [2021-11-20 06:31:45,853 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286087,286100] [2021-11-20 06:31:45,853 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286257,286270] [2021-11-20 06:31:45,854 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286419,286432] [2021-11-20 06:31:45,868 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:31:45,928 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-20 06:31:46,000 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:31:46,370 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273031,273044] [2021-11-20 06:31:46,371 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273176,273189] [2021-11-20 06:31:46,372 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273322,273335] [2021-11-20 06:31:46,373 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273487,273500] [2021-11-20 06:31:46,374 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273645,273658] [2021-11-20 06:31:46,375 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273803,273816] [2021-11-20 06:31:46,376 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273961,273974] [2021-11-20 06:31:46,376 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274121,274134] [2021-11-20 06:31:46,377 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274280,274293] [2021-11-20 06:31:46,377 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274419,274432] [2021-11-20 06:31:46,378 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274561,274574] [2021-11-20 06:31:46,378 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274710,274723] [2021-11-20 06:31:46,379 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274849,274862] [2021-11-20 06:31:46,380 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275004,275017] [2021-11-20 06:31:46,380 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275164,275177] [2021-11-20 06:31:46,381 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275315,275328] [2021-11-20 06:31:46,381 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275466,275479] [2021-11-20 06:31:46,382 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275618,275631] [2021-11-20 06:31:46,382 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275767,275780] [2021-11-20 06:31:46,383 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275915,275928] [2021-11-20 06:31:46,385 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276072,276085] [2021-11-20 06:31:46,387 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276221,276234] [2021-11-20 06:31:46,387 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276377,276390] [2021-11-20 06:31:46,388 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276530,276543] [2021-11-20 06:31:46,388 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276676,276689] [2021-11-20 06:31:46,389 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276819,276832] [2021-11-20 06:31:46,389 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276971,276984] [2021-11-20 06:31:46,390 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277117,277130] [2021-11-20 06:31:46,415 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277262,277275] [2021-11-20 06:31:46,415 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277416,277429] [2021-11-20 06:31:46,416 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277567,277580] [2021-11-20 06:31:46,416 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277722,277735] [2021-11-20 06:31:46,417 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277874,277887] [2021-11-20 06:31:46,417 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278029,278042] [2021-11-20 06:31:46,417 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278193,278206] [2021-11-20 06:31:46,418 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278349,278362] [2021-11-20 06:31:46,418 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278513,278526] [2021-11-20 06:31:46,418 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278655,278668] [2021-11-20 06:31:46,419 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278813,278826] [2021-11-20 06:31:46,419 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278980,278993] [2021-11-20 06:31:46,420 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279139,279152] [2021-11-20 06:31:46,420 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279298,279311] [2021-11-20 06:31:46,420 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279447,279460] [2021-11-20 06:31:46,421 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279594,279607] [2021-11-20 06:31:46,421 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279733,279746] [2021-11-20 06:31:46,422 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279896,279909] [2021-11-20 06:31:46,422 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280062,280075] [2021-11-20 06:31:46,422 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280226,280239] [2021-11-20 06:31:46,423 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280391,280404] [2021-11-20 06:31:46,423 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280556,280569] [2021-11-20 06:31:46,425 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280722,280735] [2021-11-20 06:31:46,426 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280887,280900] [2021-11-20 06:31:46,426 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281054,281067] [2021-11-20 06:31:46,427 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281214,281227] [2021-11-20 06:31:46,427 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281376,281389] [2021-11-20 06:31:46,428 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281535,281548] [2021-11-20 06:31:46,428 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281681,281694] [2021-11-20 06:31:46,435 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281824,281837] [2021-11-20 06:31:46,436 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281968,281981] [2021-11-20 06:31:46,440 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282111,282124] [2021-11-20 06:31:46,441 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282255,282268] [2021-11-20 06:31:46,441 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282396,282409] [2021-11-20 06:31:46,442 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282534,282547] [2021-11-20 06:31:46,443 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282692,282705] [2021-11-20 06:31:46,444 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282851,282864] [2021-11-20 06:31:46,445 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283007,283020] [2021-11-20 06:31:46,445 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283156,283169] [2021-11-20 06:31:46,446 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283308,283321] [2021-11-20 06:31:46,451 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283459,283472] [2021-11-20 06:31:46,452 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283608,283621] [2021-11-20 06:31:46,453 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283760,283773] [2021-11-20 06:31:46,453 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283908,283921] [2021-11-20 06:31:46,454 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284061,284074] [2021-11-20 06:31:46,454 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284212,284225] [2021-11-20 06:31:46,455 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284362,284375] [2021-11-20 06:31:46,455 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284509,284522] [2021-11-20 06:31:46,461 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284660,284673] [2021-11-20 06:31:46,461 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284811,284824] [2021-11-20 06:31:46,462 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284959,284972] [2021-11-20 06:31:46,464 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285125,285138] [2021-11-20 06:31:46,465 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285294,285307] [2021-11-20 06:31:46,465 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285461,285474] [2021-11-20 06:31:46,467 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285629,285642] [2021-11-20 06:31:46,467 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285779,285792] [2021-11-20 06:31:46,468 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285926,285939] [2021-11-20 06:31:46,468 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286087,286100] [2021-11-20 06:31:46,469 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286257,286270] [2021-11-20 06:31:46,469 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286419,286432] [2021-11-20 06:31:46,473 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:31:46,511 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:31:46,942 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273031,273044] [2021-11-20 06:31:46,943 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273176,273189] [2021-11-20 06:31:46,944 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273322,273335] [2021-11-20 06:31:46,944 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273487,273500] [2021-11-20 06:31:46,945 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273645,273658] [2021-11-20 06:31:46,945 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273803,273816] [2021-11-20 06:31:46,946 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273961,273974] [2021-11-20 06:31:46,946 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274121,274134] [2021-11-20 06:31:46,947 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274280,274293] [2021-11-20 06:31:46,948 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274419,274432] [2021-11-20 06:31:46,949 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274561,274574] [2021-11-20 06:31:46,949 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274710,274723] [2021-11-20 06:31:46,950 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274849,274862] [2021-11-20 06:31:46,951 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275004,275017] [2021-11-20 06:31:46,951 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275164,275177] [2021-11-20 06:31:46,952 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275315,275328] [2021-11-20 06:31:46,952 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275466,275479] [2021-11-20 06:31:46,953 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275618,275631] [2021-11-20 06:31:46,953 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275767,275780] [2021-11-20 06:31:46,954 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275915,275928] [2021-11-20 06:31:46,955 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276072,276085] [2021-11-20 06:31:46,955 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276221,276234] [2021-11-20 06:31:46,956 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276377,276390] [2021-11-20 06:31:46,956 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276530,276543] [2021-11-20 06:31:46,957 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276676,276689] [2021-11-20 06:31:46,957 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276819,276832] [2021-11-20 06:31:46,960 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276971,276984] [2021-11-20 06:31:46,961 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277117,277130] [2021-11-20 06:31:46,962 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277262,277275] [2021-11-20 06:31:46,962 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277416,277429] [2021-11-20 06:31:46,963 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277567,277580] [2021-11-20 06:31:46,963 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277722,277735] [2021-11-20 06:31:46,964 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277874,277887] [2021-11-20 06:31:46,964 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278029,278042] [2021-11-20 06:31:46,965 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278193,278206] [2021-11-20 06:31:46,965 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278349,278362] [2021-11-20 06:31:46,966 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278513,278526] [2021-11-20 06:31:46,968 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278655,278668] [2021-11-20 06:31:46,968 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278813,278826] [2021-11-20 06:31:46,969 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278980,278993] [2021-11-20 06:31:46,970 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279139,279152] [2021-11-20 06:31:46,971 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279298,279311] [2021-11-20 06:31:46,973 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279447,279460] [2021-11-20 06:31:46,974 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279594,279607] [2021-11-20 06:31:46,974 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279733,279746] [2021-11-20 06:31:46,975 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279896,279909] [2021-11-20 06:31:46,975 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280062,280075] [2021-11-20 06:31:46,976 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280226,280239] [2021-11-20 06:31:46,976 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280391,280404] [2021-11-20 06:31:46,977 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280556,280569] [2021-11-20 06:31:46,977 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280722,280735] [2021-11-20 06:31:46,978 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280887,280900] [2021-11-20 06:31:46,979 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281054,281067] [2021-11-20 06:31:46,979 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281214,281227] [2021-11-20 06:31:46,980 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281376,281389] [2021-11-20 06:31:46,980 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281535,281548] [2021-11-20 06:31:46,981 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281681,281694] [2021-11-20 06:31:46,981 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281824,281837] [2021-11-20 06:31:46,982 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281968,281981] [2021-11-20 06:31:46,982 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282111,282124] [2021-11-20 06:31:46,982 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282255,282268] [2021-11-20 06:31:46,983 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282396,282409] [2021-11-20 06:31:46,983 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282534,282547] [2021-11-20 06:31:46,984 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282692,282705] [2021-11-20 06:31:46,984 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282851,282864] [2021-11-20 06:31:46,985 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283007,283020] [2021-11-20 06:31:46,985 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283156,283169] [2021-11-20 06:31:46,986 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283308,283321] [2021-11-20 06:31:46,986 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283459,283472] [2021-11-20 06:31:46,987 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283608,283621] [2021-11-20 06:31:46,987 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283760,283773] [2021-11-20 06:31:46,988 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283908,283921] [2021-11-20 06:31:46,988 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284061,284074] [2021-11-20 06:31:46,989 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284212,284225] [2021-11-20 06:31:46,990 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284362,284375] [2021-11-20 06:31:46,991 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284509,284522] [2021-11-20 06:31:46,992 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284660,284673] [2021-11-20 06:31:46,992 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284811,284824] [2021-11-20 06:31:46,993 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284959,284972] [2021-11-20 06:31:46,995 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285125,285138] [2021-11-20 06:31:47,000 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285294,285307] [2021-11-20 06:31:47,001 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285461,285474] [2021-11-20 06:31:47,002 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285629,285642] [2021-11-20 06:31:47,002 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285779,285792] [2021-11-20 06:31:47,003 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285926,285939] [2021-11-20 06:31:47,003 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286087,286100] [2021-11-20 06:31:47,004 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286257,286270] [2021-11-20 06:31:47,004 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286419,286432] [2021-11-20 06:31:47,008 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:31:47,214 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:31:47,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:31:47 WrapperNode [2021-11-20 06:31:47,215 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:31:47,216 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:31:47,216 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:31:47,217 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:31:47,224 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:31:47" (1/1) ... [2021-11-20 06:31:47,370 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:31:47" (1/1) ... [2021-11-20 06:31:47,534 INFO L137 Inliner]: procedures = 540, calls = 1327, calls flagged for inlining = 223, calls inlined = 134, statements flattened = 2299 [2021-11-20 06:31:47,535 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:31:47,536 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:31:47,536 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:31:47,536 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:31:47,546 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:31:47" (1/1) ... [2021-11-20 06:31:47,547 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:31:47" (1/1) ... [2021-11-20 06:31:47,596 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:31:47" (1/1) ... [2021-11-20 06:31:47,597 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:31:47" (1/1) ... [2021-11-20 06:31:47,716 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:31:47" (1/1) ... [2021-11-20 06:31:47,741 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:31:47" (1/1) ... [2021-11-20 06:31:47,766 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:31:47" (1/1) ... [2021-11-20 06:31:47,796 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:31:47,798 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:31:47,799 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:31:47,799 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:31:47,800 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:31:47" (1/1) ... [2021-11-20 06:31:47,808 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:31:47,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:31:47,838 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 06:31:47,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493b6baa-1b94-4402-a722-9e2607276c5d/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 06:31:47,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-11-20 06:31:47,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-11-20 06:31:47,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-20 06:31:47,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-20 06:31:47,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-20 06:31:47,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-20 06:31:47,905 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-11-20 06:31:47,905 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-11-20 06:31:47,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-20 06:31:47,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-20 06:31:47,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-11-20 06:31:47,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-11-20 06:31:47,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-11-20 06:31:47,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-11-20 06:31:47,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_read_buffer_lock_of_lego_usb_tower [2021-11-20 06:31:47,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_read_buffer_lock_of_lego_usb_tower [2021-11-20 06:31:47,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-20 06:31:47,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-20 06:31:47,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-20 06:31:47,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-20 06:31:47,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-11-20 06:31:47,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-11-20 06:31:47,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 06:31:47,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-20 06:31:47,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-20 06:31:47,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-20 06:31:47,908 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-20 06:31:47,909 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-20 06:31:47,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-11-20 06:31:47,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-11-20 06:31:47,909 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-20 06:31:47,909 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-20 06:31:47,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-11-20 06:31:47,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-11-20 06:31:47,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-20 06:31:47,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-20 06:31:47,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_112 [2021-11-20 06:31:47,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_112 [2021-11-20 06:31:47,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-20 06:31:47,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-20 06:31:47,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-11-20 06:31:47,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-11-20 06:31:47,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-20 06:31:47,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-20 06:31:47,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-11-20 06:31:47,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-11-20 06:31:47,912 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-11-20 06:31:47,912 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-11-20 06:31:47,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-20 06:31:47,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-20 06:31:47,912 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2021-11-20 06:31:47,912 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2021-11-20 06:31:47,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-11-20 06:31:47,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-11-20 06:31:47,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_open_disc_mutex [2021-11-20 06:31:47,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_open_disc_mutex [2021-11-20 06:31:47,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_lock_of_lego_usb_tower [2021-11-20 06:31:47,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_lock_of_lego_usb_tower [2021-11-20 06:31:47,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-20 06:31:47,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-20 06:31:47,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 06:31:47,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 06:31:47,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-20 06:31:47,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-20 06:31:47,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 06:31:47,915 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-11-20 06:31:47,915 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-11-20 06:31:47,915 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-11-20 06:31:47,915 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-11-20 06:31:47,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_irq_check_alloc_flags [2021-11-20 06:31:47,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_irq_check_alloc_flags [2021-11-20 06:31:47,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-11-20 06:31:47,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-11-20 06:31:47,916 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-20 06:31:47,916 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-20 06:31:47,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_open_disc_mutex [2021-11-20 06:31:47,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_open_disc_mutex [2021-11-20 06:31:47,917 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2021-11-20 06:31:47,917 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2021-11-20 06:31:47,917 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-11-20 06:31:47,917 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-11-20 06:31:47,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:31:47,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:31:47,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-20 06:31:47,918 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-11-20 06:31:47,918 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-11-20 06:31:47,918 INFO L130 BoogieDeclarations]: Found specification of procedure tower_disconnect [2021-11-20 06:31:47,918 INFO L138 BoogieDeclarations]: Found implementation of procedure tower_disconnect [2021-11-20 06:31:47,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-20 06:31:47,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-20 06:31:47,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-20 06:31:47,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-20 06:31:47,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-20 06:31:47,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-20 06:31:47,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-20 06:31:47,920 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2021-11-20 06:31:47,920 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2021-11-20 06:31:47,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-11-20 06:31:47,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-11-20 06:31:47,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_free_urb [2021-11-20 06:31:47,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_free_urb [2021-11-20 06:31:47,921 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2021-11-20 06:31:47,921 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2021-11-20 06:31:47,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-11-20 06:31:47,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-11-20 06:31:47,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_lock_of_lego_usb_tower [2021-11-20 06:31:47,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_lock_of_lego_usb_tower [2021-11-20 06:31:47,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 06:31:47,922 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-20 06:31:47,922 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-20 06:31:47,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-20 06:31:47,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-20 06:31:47,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 06:31:47,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-20 06:31:47,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-20 06:31:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-20 06:31:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 06:31:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-20 06:31:47,925 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-20 06:31:47,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-20 06:31:47,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-20 06:31:47,926 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-11-20 06:31:47,926 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-11-20 06:31:47,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-20 06:31:47,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-20 06:31:47,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_lock_of_lego_usb_tower [2021-11-20 06:31:47,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_lock_of_lego_usb_tower [2021-11-20 06:31:47,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2021-11-20 06:31:47,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2021-11-20 06:31:47,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_alloc_urb [2021-11-20 06:31:47,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_alloc_urb [2021-11-20 06:31:47,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-20 06:31:47,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-20 06:31:47,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-20 06:31:47,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-20 06:31:47,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-11-20 06:31:47,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-11-20 06:31:47,928 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-11-20 06:31:47,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-11-20 06:31:47,928 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-20 06:31:47,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-20 06:31:47,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-20 06:31:47,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-20 06:31:47,929 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2021-11-20 06:31:47,929 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2021-11-20 06:31:47,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_read_buffer_lock_of_lego_usb_tower [2021-11-20 06:31:47,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_read_buffer_lock_of_lego_usb_tower [2021-11-20 06:31:47,930 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-20 06:31:47,930 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-20 06:31:47,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-20 06:31:47,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-20 06:31:47,930 INFO L130 BoogieDeclarations]: Found specification of procedure tower_delete [2021-11-20 06:31:47,930 INFO L138 BoogieDeclarations]: Found implementation of procedure tower_delete [2021-11-20 06:31:47,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-20 06:31:47,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-20 06:31:47,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-20 06:31:47,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-20 06:31:47,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-20 06:31:47,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-20 06:31:47,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-20 06:31:47,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-20 06:31:47,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-20 06:31:47,932 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-20 06:31:47,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-20 06:31:47,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-20 06:31:47,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-20 06:31:47,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-20 06:31:47,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-20 06:31:47,933 INFO L130 BoogieDeclarations]: Found specification of procedure tower_check_for_read_packet [2021-11-20 06:31:47,933 INFO L138 BoogieDeclarations]: Found implementation of procedure tower_check_for_read_packet [2021-11-20 06:31:47,933 INFO L130 BoogieDeclarations]: Found specification of procedure tower_abort_transfers [2021-11-20 06:31:47,933 INFO L138 BoogieDeclarations]: Found implementation of procedure tower_abort_transfers [2021-11-20 06:31:47,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_111 [2021-11-20 06:31:47,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_111 [2021-11-20 06:31:48,632 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:31:48,635 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation